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* [Bug localedata/23140] New: More languages need two forms of month names
@ 2018-05-04 20:55 digitalfreak at lingonborough dot com
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From: digitalfreak at lingonborough dot com @ 2018-05-04 20:55 UTC (permalink / raw)
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https://sourceware.org/bugzilla/show_bug.cgi?id=23140
Bug ID: 23140
Summary: More languages need two forms of month names
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
The aim of this bug report is to gather the changes for all languages which
need two forms of month names. As a result of fixing the bug 10871 this
feature is now supported by glibc but originally the locale data for only 7
languages have been updated (Belarusian, Croatian, Greek, Lithuanian, Polish,
Russian, Ukrainian) followed by two more: Catalan (bug 22848) and Czech (bug
22963). Here is a more complete list of languages which need update or at
least an attention:
* Asturian,
* Finnish (most probably the local community does not want this because a
workaround exists and has been adapted),
* Kashubian,
* Lower Sorbian (currently not supported by glibc, either its support is added
to glibc first or please ignore this entry),
* Occitan (new in this list),
* Ossetian,
* Scottish Gaelic,
* Serbian (must be discussed with the local community),
* Silesian (not supported by CLDR, I have no reliable source of locale data),
* Slovak (must be discussed with the local community),
* Upper Sorbian,
* Walloon.
The list can be extended by the languages which do not need two grammatical
forms but want to use this feature to begin the month names with upper or lower
case letter depending on whether they are standalone or in full date context.
CLDR provides such data for 13 locales.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Fri, 04 May 2018 20:56:00 -0000
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--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
s/adapted/adopted
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>From glibc-bugs-return-41777-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 04 21:11:56 2018
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From: "egmont at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Fri, 04 May 2018 21:11:00 -0000
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Egmont Koblinger <egmont at gmail dot com> changed:
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CC| |egmont at gmail dot com
--- Comment #2 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to Rafal Luzynski from comment #0)
> The list can be extended by the languages which do not need two grammatical
> forms but want to use this feature to begin the month names with upper or
> lower case letter [...]
Could we pretty please have a different notation for this?
Languages that do have different nominative and genitive forms might also want
to have lowercase and uppercase variants (for both kinds), why not allow it for
them too?
If the same syntax is overloaded, how could any piece of software safely decide
whether to use %B or %OB (or: %b or %Ob) and be sure that it's going to be
okay? You'd need to pick one based on the characteristics of the language,
based on the meaning of the "O" modifier for that particular language, which is
practically a no-go.
Plus, by the way, lowercase/uppercase variants might be relevant for the AM/PM
strings as well.
Different semantics should be achieved using a different syntax.
Thanks!
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Fri, 04 May 2018 22:10:00 -0000
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--- Comment #3 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I absolutely agree. This idea is already reflected in these bug reports:
* bug 21370: introduce a "convert to titlecase" flag;
* bug 15527: make the combination of existing flags "^#" work correctly and
convert to lowercase;
* optionally: specify that all locale data must be titlecased and convert them
to all uppercase/all lowercase only on an explicit demand.
Providing the upper/lowercase variant would be meant only as a workaround or a
temporary solution; also it is suggested by CLDR as a good use of the software
feature which is actually used by only a minority of languages.
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From: "fios at akerbeltz dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
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Michael Bauer <fios at akerbeltz dot org> changed:
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--- Comment #4 from Michael Bauer <fios at akerbeltz dot org> ---
This applies to Scottish Gaelic indeed (gd-GB) but they're not genitives
though, they're partitives - and I think other languages will be using other
grammatical patterns too, so perhaps the naming should be more general, like
"inflected month name" rather than genitive?
Anyway, starting with January, the inflected forms are as follows:
dhen Fhaoilleach
dhen Ghearran
dhen Mhà rt
dhen Ghiblean
dhen Chèitean
dhen Ã’gmhios
dhen Iuchar
dhen Lùnastal
dhen t-Sultain
dhen DÃ mhair
dhen t-Samhain
dhen Dùbhlachd
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Michael Bauer <fios at akerbeltz dot org> changed:
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--- Comment #5 from Michael Bauer <fios at akerbeltz dot org> ---
Irish and Gaelic (and Cree I think) have special cases, where the first letter
has to remain lowercase whatever e.g. gd-GB
An t-Samhain (Nov)
21 dhen t-Samhain / 21 DHEN t-SAMHAIN
and Irish (ga-IE) An tSamhain (though I'm unsure to the inflected form, copying
in Kevin)
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From: "milupo at sorbzilla dot de" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23140] More languages need two forms of month names
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Michael Wolf <milupo at sorbzilla dot de> changed:
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--- Comment #5 from Michael Wolf <milupo at sorbzilla dot de> ---
Upper Sorbian:
Nominative Accusative Genitive
januar januar januara
februar februar februar
měrc měrc měrca
apryl apryl apryla
meja meju meje
junij junij junija
julij julij julija
awgust awgust awgusta
september september septembra
oktober oktober oktobra
nowember nowember nowembra
december december decembra
Meja "May" is an exceptional case: It is the only month name that has feminine
gender. Therefore its nominative and accusative are not identical. Besides it
has the ending -e in genitive instead of -a. With the month names for
september, oktober, nowember and december, the vowel "e" is elided before the
consonant "r".
Lower Sorbian:
Nominative Accusative Genitive
januar januar januara
februar februar februar
měrc měrc měrca
apryl apryl apryla
maj maj maja
junij junij junija
julij julij julija
awgust awgust awgusta
september september septembra
oktober oktober oktobra
nowember nowember nowembra
december december decembra
The most Lower Sorbian month names are identical to the Upper Sorbian ones with
one exception: maj "May". Maj is masculine and therefore nominative and
accusative are identical here. The Upper Sorbian exceptional case does not
exist in Lower Sorbian.
There is a fourth grammatical case that often occurs: The locative. It mainly
occurs behind the preposition w "in":
w januarje "in January"
w februarje "in February"
w měrcu "in March"
w aprylu "in April"
w meji (Upper Sorbian), w maju (Lower Sorbian) "in May"
w juniju "in June"
w juliju "in July"
w awgusće "in August"
w septembrje "in September"
w oktobrje "in October"
w nowembrje "in November"
w decembrje "in December"
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Sat, 05 May 2018 13:22:00 -0000
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--- Comment #6 from Michael Wolf <milupo at sorbzilla dot de> ---
Sorry, a typo: The genitive of "februar" must be "februara", of course, both
for Upper Sorbian and Lower Sorbian.
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Subject: [Bug libc/23145] New: _init/_fini aren't marked as hidden
Date: Sat, 05 May 2018 15:45:00 -0000
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Bug ID: 23145
Summary: _init/_fini aren't marked as hidden
Product: glibc
Version: 2.28
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[hjl@gnu-4 tmp]$ cat x.c
void
foo ()
{
}
[hjl@gnu-4 tmp]$ gcc -shared -fpic x.c
[hjl@gnu-4 tmp]$ readelf --dyn-syms a.out
Symbol table '.dynsym' contains 11 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 NOTYPE WEAK DEFAULT UND
_ITM_deregisterTMCloneTab
2: 0000000000000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__
3: 0000000000000000 0 NOTYPE WEAK DEFAULT UND
_ITM_registerTMCloneTable
4: 0000000000000000 0 FUNC WEAK DEFAULT UND
__cxa_finalize@GLIBC_2.2.5 (2)
5: 0000000000004018 0 NOTYPE GLOBAL DEFAULT 20 _edata
6: 00000000000010f9 2 FUNC GLOBAL DEFAULT 11 foo
7: 0000000000004020 0 NOTYPE GLOBAL DEFAULT 21 _end
8: 0000000000004018 0 NOTYPE GLOBAL DEFAULT 21 __bss_start
9: 0000000000001000 0 FUNC GLOBAL DEFAULT 8 _init
10: 00000000000010fc 0 FUNC GLOBAL DEFAULT 12 _fini
[hjl@gnu-4 tmp]$
Neither _init nor _fini should be in .dynsym.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Sat, 05 May 2018 18:04:00 -0000
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--- Comment #7 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Michael Bauer from comment #4)
> This applies to Scottish Gaelic indeed (gd-GB) but they're not genitives
> though, they're partitives - and I think other languages will be using other
> grammatical patterns too, so perhaps the naming should be more general, like
> "inflected month name" rather than genitive?
Thank you for this update. The documentation never uses the term "genitive" nor
"nominative". I often use the term "genitive" because: (1) it is shorter than
"a form used when the month name forms part of the date"; (2) so far I have
not known about any language which requires other case than genitive; (3) a
genitive case is a good example of a form required to format a date.
> Anyway, starting with January, the inflected forms are as follows:
> [ cut ]
Thank you. This is already provided by CLDR and I have patches ready for
Scottish Gaelic and several other languages as well. I am going to attach them
in the beginning of the next week. I will appreciate a final review, though.
(In reply to Michael Wolf from comment #5)
> Upper Sorbian:
>
> Nominative Accusative Genitive
> [...]
Thank you. Unfortunately, we are unable to support more than 2 cases. This is a
minimum required to format a date. I guess that the correct case for Upper
Sorbian when formatting a date is genitive. Supporting more cases is a task for
a natural language translating and processing tool, not for strftime() function
from glibc. Again, I have a patch for the Upper Sorbian and I am going to
attach it next week.
> Meja "May" is an exceptional case: It is the only month name that has
> feminine gender. Therefore its nominative and accusative are not identical.
> Besides it has the ending -e in genitive instead of -a.
That's very interesting, thank you.
> With the month names
> for september, oktober, nowember and december, the vowel "e" is elided
> before the consonant "r".
OK, I am familiar with these phenomenons because they are the same in my native
language.
> Lower Sorbian:
>
> Nominative Accusative Genitive
> [...]
As I said above, Lower Sorbian is not supported by glibc. I'll be happy to add
it, though, especially since I see it supported by CLDR. Can you please open a
separate ticket and (even better) provide a patch? If you can't then tell me so
I will do it but I will need an assistance to complete the task.
> [...]
> There is a fourth grammatical case that often occurs: The locative. It
> mainly occurs behind the preposition w "in":
>
> w januarje "in January"
> [...]
As I said above, we can't support more than two cases. This would be useful to
generate natural language sentences and maybe in some more applications but it
is not absolutely necessary for strftime() function to display dates correctly.
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Subject: [Bug time/21370] RFE: strftime() needs a "convert to titlecase" flag
Date: Sat, 05 May 2018 18:08:00 -0000
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--- Comment #6 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I am aware of this and I am also aware of another language whose name I don't
remember which treats a reverse apostrophe: "`" as a letter. Titlecasing in
that language means that the second letter is uppercased, e.g., "`abc" ->
"`Abc".
This may mean that implementing this feature will be very complex or
impossible, maybe we'll instead move to another workaround: all locale data
must be titlecased and converted to lowercase/uppercase only on an explicit
demand.
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Subject: [Bug time/21370] RFE: strftime() needs a "convert to titlecase" flag
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--- Comment #7 from Michael Bauer <fios at akerbeltz dot org> ---
>e.g., "`abc" -> "`Abc".
It's probably not the one you're remembering but Juǀ'hoan has a rule like that
that after an initial click, the first Latin letter is capped (even if it's the
3rd symbol if an apostrophe is there as well) i.e. Ç‚'Aun or ÇXaÇ€oba
Wouldn't sentence case be a better default than Title Case? I suspect it would
product fewer groans than Title Case, which would look hideous in Gaelic.
Perhaps this is an enhancement for CLDR that someone (I don't have the skills)
consider, defining case and relevant exceptions?
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Sat, 05 May 2018 19:13:00 -0000
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--- Comment #8 from Michael Wolf <milupo at sorbzilla dot de> ---
Hi Rafał,
thank you for your reply.
Well, you are right, Sorbian languages use the month names in genitive in dates
if the day is specified:
Dźensa je 05. meje 2018. (Upper Sorbian)
Źinsa jo 05. maja 2018. (Lower Sorbian)
Today is 5th May, 2018.
Locative is always used with prepositions. There would be a problem only if
month name placeholders are used because placeholders cannot be inflected.
Strftime() uses such placeholders: %d. %B %Y. %B cannot be inflected so "w %B"
would result in "w meja" instead in correct "w meji".
Another problem would occur if any software is intended to use the OS locale
for date and time. There is no operating system in Sorbian languages until now.
That's a problem of many minority languages.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #9 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Michael Wolf from comment #8)
> Hi Rafał,
>
> thank you for your reply.
>
> Well, you are right, Sorbian languages use the month names in genitive in
> dates if the day is specified:
> [ cut ]
OK, count them as about to be supported.
> [...]
> Strftime() uses such placeholders: %d. %B %Y. %B cannot be inflected so "w
> %B" would result in "w meja" instead in correct "w meji".
True, this is not supported. But please note that this is a sentence, or almost
a sentence rather than just a date. This does not work in any inflected
language. We need a place where we say "this is too complex for glibc, please
use a translation software or an AI instead". :-)
> Another problem would occur if any software is intended to use the OS locale
> for date and time. There is no operating system in Sorbian languages until
> now. That's a problem of many minority languages.
You are just invited to create one. :-) Really not much is left to do. In fact,
HSB has been supported in glibc for a long time now except this bug with a
correct grammar of dates.
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c
commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
alloca for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++++++
elf/Makefile | 8 +++++-
elf/dl-load.c | 21 ++++++++++++++++++-
elf/{tst-absolute-sym-lib.c => tst-big-note-lib.S} | 15 +++++++------
wcsmbs/test-char-types.c => elf/tst-big-note.c | 15 ++++---------
5 files changed, 46 insertions(+), 21 deletions(-)
copy elf/{tst-absolute-sym-lib.c => tst-big-note-lib.S} (71%)
copy wcsmbs/test-char-types.c => elf/tst-big-note.c (75%)
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
Date: Sun, 06 May 2018 01:11:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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--- Comment #4 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed on trunk.
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Subject: [Bug libc/20422] do not allow asan/msan/tsan and fortify at the same time.
Date: Sun, 06 May 2018 01:12:00 -0000
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----------------------------------------------------------------------------
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CC| |ppluzhnikov at google dot com
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Subject: [Bug libc/20422] do not allow asan/msan/tsan and fortify at the same time.
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23145] _init/_fini aren't marked as hidden
Date: Sun, 06 May 2018 12:26:00 -0000
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
/export/build/gnu/glibc/build-x86_64-linux/elf/ld.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/libc.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/crypt/libcrypt.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/debug/libSegFault.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/debug/libSegFault.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/debug/libpcprofile.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/debug/libpcprofile.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/dlfcn/libdl.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/hesiod/libnss_hesiod.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ANSI_X3.110.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ARMSCII-8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ASMO_449.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/BIG5.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/BIG5HKSCS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/BRF.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP10007.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1125.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1250.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1251.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1252.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1253.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1254.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1255.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1256.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1257.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP1258.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP737.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP770.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP771.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP772.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP773.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP774.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP775.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CP932.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CSN_369103.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/CWI.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/DEC-MCS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-AT-DE-A.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-AT-DE.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-CA-FR.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-DK-NO-A.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-DK-NO.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-ES-A.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-ES-S.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-ES.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-FI-SE-A.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-FI-SE.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-FR.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-IS-FRISS.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-IT.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-PT.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-UK.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EBCDIC-US.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ECMA-CYRILLIC.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EUC-CN.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EUC-JISX0213.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EUC-JP-MS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EUC-JP.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EUC-KR.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/EUC-TW.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GB18030.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GBBIG5.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GBGBK.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GBK.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GEORGIAN-ACADEMY.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GEORGIAN-PS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GOST_19768-74.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GREEK-CCITT.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GREEK7-OLD.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/GREEK7.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/HP-GREEK8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/HP-ROMAN8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/HP-ROMAN9.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/HP-THAI8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/HP-TURKISH8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM037.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM038.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1004.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1008.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1008_420.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1025.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1026.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1046.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1047.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1097.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1112.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1122.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1123.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1124.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1129.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1130.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1132.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1133.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1137.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1140.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1141.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1142.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1143.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1144.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1145.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1146.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1147.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1148.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1149.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1153.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1154.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1155.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1156.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1157.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1158.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1160.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1161.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1162.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1163.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1164.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1166.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1167.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM12712.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1364.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1371.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1388.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1390.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM1399.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM16804.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM256.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM273.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM274.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM275.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM277.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM278.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM280.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM281.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM284.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM285.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM290.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM297.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM420.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM423.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM424.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM437.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM4517.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM4899.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM4909.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM4971.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM500.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM5347.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM803.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM850.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM851.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM852.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM855.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM856.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM857.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM858.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM860.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM861.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM862.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM863.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM864.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM865.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM866.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM866NAV.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM868.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM869.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM870.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM871.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM874.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM875.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM880.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM891.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM901.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM902.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM903.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM9030.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM904.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM905.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM9066.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM918.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM921.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM922.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM930.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM932.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM933.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM935.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM937.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM939.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM943.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IBM9448.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/IEC_P27-1.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/INIS-8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/INIS-CYRILLIC.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/INIS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISIRI-3342.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-2022-CN-EXT.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-2022-CN.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-2022-JP-3.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-2022-JP.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-2022-KR.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-IR-197.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO-IR-209.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO646.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-1.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-10.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-11.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-13.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-14.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-15.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-16.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-2.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-3.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-4.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-5.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-6.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-7.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-9.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO8859-9E.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_10367-BOX.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_11548-1.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_2033.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_5427-EXT.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_5427.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_5428.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_6937-2.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/ISO_6937.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/JOHAB.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/KOI-8.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/KOI8-R.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/KOI8-RU.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/KOI8-T.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/KOI8-U.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/LATIN-GREEK-1.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/LATIN-GREEK.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/MAC-CENTRALEUROPE.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/MAC-IS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/MAC-SAMI.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/MAC-UK.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/MACINTOSH.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/MIK.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/NATS-DANO.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/NATS-SEFI.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/PT154.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/RK1048.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/SAMI-WS2.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/SHIFT_JISX0213.so.dynsym:
OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/SJIS.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/T.61.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/TCVN5712-1.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/TIS-620.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/TSCII.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/UHC.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/UNICODE.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/UTF-16.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/UTF-32.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/UTF-7.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/VISCII.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libCNS.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libCNS.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libGB.so.dynsym: *** _init
is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libGB.so.dynsym: *** _fini
is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libISOIR165.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libISOIR165.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libJIS.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libJIS.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libJISX0213.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libJISX0213.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libKSC.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/iconvdata/libKSC.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/libidn/libcidn.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/locale/libBrokenLocale.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/login/libutil.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/malloc/libmemusage.so.dynsym: ***
_init is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/malloc/libmemusage.so.dynsym: ***
_fini is in dynamic symbol table
/export/build/gnu/glibc/build-x86_64-linux/math/libm.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/mathvec/libmvec.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/nis/libnsl.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/nptl/libpthread.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/nptl_db/libthread_db.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/nss/libnss_compat.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/nss/libnss_db.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/nss/libnss_files.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/resolv/libanl.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/resolv/libnss_dns.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/resolv/libresolv.so.dynsym: OK
/export/build/gnu/glibc/build-x86_64-linux/rt/librt.so.dynsym: OK
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 07 May 2018 07:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23140
Marko Myllynen <myllynen at redhat dot com> changed:
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Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
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>From glibc-bugs-return-41797-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 08 09:28:45 2018
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Subject: [Bug localedata/21091] ja_JP.UTF8: unexpected collation probably due to unsupported blocks
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
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>From glibc-bugs-return-41799-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 01:13:51 2018
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Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX
Date: Wed, 09 May 2018 01:13:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5460617d1567657621107d895ee2dd83bc1f88f2
commit 5460617d1567657621107d895ee2dd83bc1f88f2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/test-bz22786.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 100 insertions(+), 2 deletions(-)
create mode 100644 stdlib/test-bz22786.c
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>From glibc-bugs-return-41800-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 01:16:07 2018
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Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX
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--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed on trunk.
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>From glibc-bugs-return-41801-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 05:51:50 2018
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From: "akhilesh.k at samsung dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23150] New: SVACE Fix "CHROOT_JAIL" Checker
Date: Wed, 09 May 2018 05:51:00 -0000
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Bug ID: 23150
Summary: SVACE Fix "CHROOT_JAIL" Checker
Product: glibc
Version: 2.29
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During SVACE build i encounterd with "CHROOT_JAIL" Checker with below
WID:321733 Call to chroot() at support_can_chroot.c:34 is followed by a
function call other than chdir(\"/\") at support_can_chroot.c:40. The
program can still access file system outside of the chroot directory if
the current directory is not contained in it.
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>From glibc-bugs-return-41802-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 06:12:07 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23151] New: A forked process with unclosed file does lseek before exit and can cause infinite loop in parent I/O
Date: Wed, 09 May 2018 06:12:00 -0000
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Bug ID: 23151
Summary: A forked process with unclosed file does lseek before
exit and can cause infinite loop in parent I/O
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
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See Stack Overflow Q&A:
*
https://stackoverflow.com/questions/50110992/why-does-forking-my-process-cause-the-file-to-be-read-infinitely
*
https://stackoverflow.com/questions/50244579/unwanted-child-processes-being-created-while-file-reading
As the accepted answer to the "why does forking my process" question shows,
when the child process exits, it seeks on the file descriptor towards the
beginning of the file, thus changing the position of the read position in the
(shared) open file description, potentially leading to an infinite loop in the
parent process as it never encounters EOF.
The output from strace (strace -ff -o st-out -- neof97) for the children shows:
$ cat st-out.80833
lseek(0, -63, SEEK_CUR) = 21
exit_group(0) = ?
+++ exited with 0 +++
$ cat st-out.80834
lseek(0, -42, SEEK_CUR) = -1 EINVAL (Invalid argument)
exit_group(0) = ?
+++ exited with 0 +++
$ cat st-out.80835
lseek(0, -21, SEEK_CUR) = 0
exit_group(0) = ?
+++ exited with 0 +++
$ cat st-out.80836
exit_group(0) = ?
+++ exited with 0 +++
$
One version of the code that shows the problem is (neof97.c). It limits the
'infinite input' to 30 lines.
#include "posixver.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
enum { MAX = 100 };
int main(void)
{
if (freopen("input.txt", "r", stdin) == 0)
return 1;
char s[MAX];
for (int i = 0; i < 30 && fgets(s, MAX, stdin) != NULL; i++)
{
// Commenting out this region fixes the issue
int status;
pid_t pid = fork();
if (pid == 0)
{
exit(0);
}
else
{
waitpid(pid, &status, 0);
}
// End region
printf("%s", s);
}
return 0;
}
The file input.txt can be any text; 4 lines of 20 random characters each is
sufficient to show the bug.
If the file is explicitly closed in the child, the lseek() does not occur which
avoids the problem.
The problem was reproduced in a Ubuntu 16.04 LTS system running as a VM under
VMWare Fusion on a MacBook Pro running macOS 10.13.4 (High Sierra). When the
same code was recompiled and run on the macOS host operating system, the
problem was not exhibited.
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Subject: [Bug stdio/23151] A forked process with unclosed file does lseek before exit and can cause infinite loop in parent I/O
Date: Wed, 09 May 2018 06:16:00 -0000
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>From glibc-bugs-return-41804-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 07:04:58 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23150] SVACE Fix "CHROOT_JAIL" Checker
Date: Wed, 09 May 2018 07:04:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |fweimer at redhat dot com
Resolution|--- |INVALID
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
This is a false positive. No relative paths are used after the chroot call, so
this does not matter whether there is a chdir call or not.
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>From glibc-bugs-return-41805-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 08:19:03 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23151] A forked process with unclosed file does lseek before exit and can cause infinite loop in parent I/O
Date: Wed, 09 May 2018 08:19:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Please read
<http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_05_01>,
especially this paragraph:
Note that after a fork(), two handles exist where one existed before. The
application shall ensure that, if both handles can ever be accessed, they are
both in a state where the other could become the active handle first. The
application shall prepare for a fork() exactly as if it were a change of active
handle. (If the only action performed by one of the processes is one of the
exec functions or _exit() (not exit()), the handle is never accessed in that
process.)
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>From glibc-bugs-return-41806-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 10:32:45 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23152] New: gd_GB: Fix typo in "May" (abbreviated)
Date: Wed, 09 May 2018 10:32:00 -0000
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Bug ID: 23152
Summary: gd_GB: Fix typo in "May" (abbreviated)
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: localedata
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Reporter: digitalfreak at lingonborough dot com
CC: libc-locales at sourceware dot org
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While importing some locale data from CLDR I noticed a typo in gd_GB (Scottish
Gaelic) abbreviated name of the month May: it is provided in glibc as "Mhà rt"
while CLDR provides "Cèit". "Mhà rt" seems to be a name of March, a nominative
case.
How to test:
$ LC_ALL=gd_GB.utf8 locale -k mon abmon alt_mon
mon="dhen Fhaoilleach;dhen Ghearran;dhen Mhà rt;dhen Ghiblean;dhen Chèitean;dhen
Ògmhios;dhen Iuchar;dhen Lùnastal;dhen t-Sultain;dhen Dà mhair;dhen
t-Samhain;dhen Dùbhlachd"
abmon="Faoi;Gearr;Mà rt;Gibl;Mhà rt;Ògmh;Iuch;Lùna;Sult;Dà mh;Samh;Dùbh"
alt_mon="Am Faoilleach;An Gearran;Am Mà rt;An Giblean;An Cèitean;An t-Ògmhios;An
t-Iuchar;An Lùnastal;An t-Sultain;An Dà mhair;An t-Samhain;An Dùbhlachd"
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>From glibc-bugs-return-41807-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 10:34:30 2018
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Wed, 09 May 2018 10:34:00 -0000
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--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Rafal Luzynski from comment #0)
> "Mhà rt" seems to be a name of March,
> a nominative case.
Sorry, I was wrong here: a partitive case (see bug 23140 comment 4).
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>From glibc-bugs-return-41808-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 10:44:02 2018
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Wed, 09 May 2018 10:44:00 -0000
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--- Comment #2 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11000
--> https://sourceware.org/bugzilla/attachment.cgi?id=11000&action=edit
Fixes the problem
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>From glibc-bugs-return-41809-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 11:07:11 2018
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Wed, 09 May 2018 11:07:00 -0000
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Michael Bauer <fios at akerbeltz dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fios at akerbeltz dot org
--- Comment #3 from Michael Bauer <fios at akerbeltz dot org> ---
Confirming the short name of May (Cèitean) should be Cèit.
March (MÃ rt) has the sam long and short form as the short forms are all 4
letters. And Mhà rt is indeed an inflected form.
Well spotted that aside, thanks for the fix!
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>From glibc-bugs-return-41810-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 09 12:22:52 2018
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Subject: [Bug malloc/12547] realloc(p, 0) violates C99
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #15 from Florian Weimer <fweimer at redhat dot com> ---
I believe this is now being treated as a defect in the C standard:
http://www.open-std.org/jtc1/sc22/wg14/www/docs/summary.htm#dr_400
The deallocating behavior implemented in glibc seems to conform with one
alternative in the new wording. The other (non-deallocating) alternative does
not match POSIX, but that's not a problem for glibc malloc.
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>From glibc-bugs-return-41811-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 10 11:22:11 2018
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From: "ms at mcdev dot com.au" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23157] New: getopt fails when setting optind=1 under some circumstances
Date: Thu, 10 May 2018 11:22:00 -0000
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Bug ID: 23157
Summary: getopt fails when setting optind=1 under some
circumstances
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
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Target Milestone: ---
When processing arguments, getopt leaves __nextchar pointing at the end of a
processed argument.
When restarting parsing setting optind to 1, __nextchar is not reset,
potentially parsing arbitrary data.
Example test case demonstrating the issue below:
#include <stdio.h>
#include <unistd.h>
#include <string.h>
void test_getopt(int argc, char **argv, const char *optstring, int expected) {
int oc = getopt(argc, argv, optstring);
if (oc == expected) {
printf("PASS getopt = %c (%d)\n", oc, oc);
} else {
printf("FAIL getopt = %c (%d), expected %c (%d)\n",
oc, oc, expected, expected);
}
}
int main(int ac, char **av) {
int argc;
char *argv[16];
char test[16];
argv[0] = "ignored-1";
strcpy(test, "-a");
argv[1] = test;
argv[2] = "non-option-1";
argv[3] = NULL;
argc = 3;
/* As expected */
test_getopt(argc, argv, "ab", 'a');
/* As expected */
test_getopt(argc, argv, "ab", -1);
argv[0] = "ignored-2";
argv[1] = "non-option-2";
argv[2] = NULL;
argc = 2;
optind = 1;
strcpy(test, "-ab");
/* Fails, as __nextchar is still pointing into 'test' */
test_getopt(argc, argv, "ab", -1);
return 0;
}
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----------------------------------------------------------------------------
Component|libc |argparse
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Thu, 10 May 2018 22:06:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via bb066cb806dfe55511cf2fb59bf013751152608f (commit)
from db725a458e1cb0e17204daa543744faf08bb2e06 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bb066cb806dfe55511cf2fb59bf013751152608f
commit bb066cb806dfe55511cf2fb59bf013751152608f
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mh�rt" -> "C�it". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
localedata/locales/gd_GB | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #5 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Pushed to master as bb066cb806dfe55511cf2fb59bf013751152608f.
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From: "jwakely.gcc at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/23164] New: LC_MONETARY data incorrect with static linking
Date: Thu, 10 May 2018 22:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23164
Bug ID: 23164
Summary: LC_MONETARY data incorrect with static linking
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: jwakely.gcc at gmail dot com
Target Milestone: ---
This program works when linked to libc.so but not when linked to libc.a
#define _GNU_SOURCE
#include <locale.h>
#include <langinfo.h>
#include <stdio.h>
int main()
{
locale_t loc = newlocale(1 << LC_ALL, "en_US.UTF-8", 0);
const char* ccurr = nl_langinfo_l(CURRENCY_SYMBOL, loc);
printf("Currency symbol: %s\n", ccurr);
return 0;
}
$ gcc loc.c
$ ./a.out
Currency symbol: $
$ gcc loc.c -static
$ ./a.out
Currency symbol:
The returned value is an empty string instead of "$"
This was reduced from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85732 which
shows that all LC_MONETARY values are missing for all lcoales when the program
is statically linked.
I see this on several versions, 2.13, 2.25, 2.26, 2.27
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Subject: [Bug libc/235] glibc fails to compile.
Date: Fri, 11 May 2018 08:58:00 -0000
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just nothings <664825723 at qq dot com> changed:
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CC| |664825723 at qq dot com
--- Comment #4 from just nothings <664825723 at qq dot com> ---
install headers with ARCH=i386
cd /usr/src/linux-xxxx
make headers_install ARCH=i386 INSTALL_HDR_PATH=/apps/kernel-headers
cd /usr/src/glibc-xxx/build
../configure --prefix=/usr --with-headers=/apps/kernel-headers/include
--with-binutils=/usr/bin
make
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #10 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Michael Wolf from comment #5)
> Upper Sorbian:
>
> Nominative Accusative Genitive
>
> januar januar januara
> februar februar februar
> [...]
Shouldn't the genitive case be "februara"?
http://st.unicode.org/cldr-apps/v#/hsb/Gregorian/
And the same in Lower Sorbian.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #11 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11003
--> https://sourceware.org/bugzilla/attachment.cgi?id=11003&action=edit
Asturian (ast_ES)
Here I include a set of patches for easier review by the respective language
teams. I think that eventually all (or almost all) of these patches will be
squashed and pushed together unless we get a negative feedback. I'd like to
push them in a month. Also they can be pushed individually earlier if a
language team wishes. Unfortunately, I suspect that for some of these languages
it will be difficult to reach actual translators.
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--- Comment #13 from Michael Wolf <milupo at sorbzilla dot de> ---
Hi Rafał,
thanks, yes, you are right, I wrote (and copied) februar first :-( but I've
already corrected it in comment #6. :-)
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #12 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11004
--> https://sourceware.org/bugzilla/attachment.cgi?id=11004&action=edit
Kashubian (csb_PL)
This is not supported by CLDR, I collected the data from Wikipedia.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #14 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11005
--> https://sourceware.org/bugzilla/attachment.cgi?id=11005&action=edit
Finnish (fi_FI)
I think we have sufficient negative feedback for this language (i.e., the
native speakers don't want this change) but here I attach it for the last
chance in case they change their minds. The reason is that the inflection rule
in Finnish language is simple: append "ta" at the end of every month name and
we get a correct genitive case. This is a currently used workaround.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #15 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11006
--> https://sourceware.org/bugzilla/attachment.cgi?id=11006&action=edit
Scottish Gaelic (gd_GB)
I think we have a sufficient positive feedback and a very responsive language
team. If you wish the patch to be committed now and reach the prerelease
distros (like Fedora Rawhide) then please say. Otherwise it will be committed
in a month.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #16 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11007
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Upper Sorbian (hsb_DE)
The same case here.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #17 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11008
--> https://sourceware.org/bugzilla/attachment.cgi?id=11008&action=edit
Ossetian (os_RU)
Decoded:
diff --git a/localedata/locales/os_RU b/localedata/locales/os_RU
index fcd72ef..9a4ce03 100644
--- a/localedata/locales/os_RU
+++ b/localedata/locales/os_RU
@@ -116,7 +116,7 @@ abmon "Янв";/
"ÐоÑ";/
"Дек"
-mon "Январь";/
+alt_mon "Январь";/
"Февраль";/
"Мартъи";/
"Ðпрель";/
@@ -128,6 +128,19 @@ mon "Январь";/
"ОктÑбрь";/
"ÐоÑбрь";/
"Декабрь"
+
+mon "Ñнвары";/
+"февралы";/
+"мартъийы";/
+"апрелы";/
+"майы";/
+"июны";/
+"июлы";/
+"авгуÑÑ‚Ñ‹";/
+"ÑентÑбры";/
+"октÑбры";/
+"ноÑбры";/
+"декабры"
d_t_fmt "%a %d %b %Y %T"
d_fmt "%d.%m.%Y"
t_fmt "%T"
--
2.7.5
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #18 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11009
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Slovak (sk_SK)
This change is controversial (same as Czech and Serbian) because, as far as I
understand the grammar rules, while a genitive case of a month name is
sometimes required the normal date format is day_number + ". " +
month_name_nominative. I will not commit without a positive feedback from the
language team. However, I hope the change will be useful and I offer my help
when adopting it.
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--- Comment #19 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
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Walloon (wa_BE)
The support of this language in CLDR is very incomplete [1] but I've
reconstructed the content thanks to Wikipedia and the original comments inside
the file which already contained complaints about this missing feature.
[1] http://st.unicode.org/cldr-apps/v#/wa/Gregorian/
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Subject: [Bug libc/17343] Signed integer overflow in /stdlib/random_r.c
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.27/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36fed309f6e7d847b916c35eac7126831fe8427f
commit 36fed309f6e7d847b916c35eac7126831fe8427f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
stdlib/random_r.c | 9 ++++-----
2 files changed, 10 insertions(+), 5 deletions(-)
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Subject: [Bug libc/22947] FAIL: misc/tst-preadvwritev2
Date: Fri, 11 May 2018 10:28:00 -0000
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commit d658d6d757a4fd3f187d38da8b627dd8142f3608
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
bits/uio-ext.h | 1 +
manual/llio.texi | 3 +++
misc/tst-preadvwritev2-common.c | 6 +++++-
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
5 files changed, 19 insertions(+), 1 deletions(-)
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Subject: [Bug network/23005] Crash in __res_context_send after memory allocation failure
Date: Fri, 11 May 2018 10:28:00 -0000
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commit 1a90f09f2434af7a2f8ba332ddd547d229a1e709
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
resolv/res_send.c | 5 +++++
2 files changed, 11 insertions(+), 0 deletions(-)
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
Date: Fri, 11 May 2018 10:29:00 -0000
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commit edbf537d0736033f546f69b0abdf6dd66c7a079c
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++++++
elf/Makefile | 8 +++++-
elf/dl-load.c | 21 ++++++++++++++++++-
.../riscv/ipc_priv.h => elf/tst-big-note-lib.S | 11 +++++++--
.../linux/riscv/ipc_priv.h => elf/tst-big-note.c | 11 +++++++--
5 files changed, 49 insertions(+), 10 deletions(-)
copy sysdeps/unix/sysv/linux/riscv/ipc_priv.h => elf/tst-big-note-lib.S (71%)
copy sysdeps/unix/sysv/linux/riscv/ipc_priv.h => elf/tst-big-note.c (73%)
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Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
Date: Fri, 11 May 2018 10:29:00 -0000
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commit db988e50a87f613cb6b9e98a2fc66a4848bc3546
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/nptl/lowlevellock.h | 13 ++++++++-----
2 files changed, 14 insertions(+), 5 deletions(-)
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Subject: [Bug libc/23037] initialize msg_flags to zero for sendmmsg() calls
Date: Fri, 11 May 2018 10:29:00 -0000
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commit c550fff3b743bbdc569462b5bd883a3fe8c8f814
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
-----------------------------------------------------------------------
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ChangeLog | 6 ++++++
resolv/res_send.c | 40 +++++++++++++++++++++-------------------
2 files changed, 27 insertions(+), 19 deletions(-)
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Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX
Date: Fri, 11 May 2018 10:29:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f19e67884c55c2dac6db3b146d80a769e322ecbe
commit f19e67884c55c2dac6db3b146d80a769e322ecbe
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/test-bz22786.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 100 insertions(+), 2 deletions(-)
create mode 100644 stdlib/test-bz22786.c
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To: glibc-bugs@sourceware.org
Subject: [Bug network/23166] New: Stray exported sunrpc objects even if Sun RPC is disabled
Date: Fri, 11 May 2018 11:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23166
Bug ID: 23166
Summary: Stray exported sunrpc objects even if Sun RPC is
disabled
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: network
Assignee: fweimer at redhat dot com
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
When building without --enable-obsolete-rpc, we still export some global
variables with default symbol versions.
1232: 00000000003be760 24 OBJECT GLOBAL DEFAULT 35
svcauthdes_stats@@GLIBC_2.2.5
1328: 00000000003be6a8 8 OBJECT GLOBAL DEFAULT 35
svc_pollfd@@GLIBC_2.2.5
1344: 00000000003be740 32 OBJECT GLOBAL DEFAULT 35
rpc_createerr@@GLIBC_2.2.5
1375: 00000000003be6c0 128 OBJECT GLOBAL DEFAULT 35
svc_fdset@@GLIBC_2.2.5
2088: 00000000003be6a0 4 OBJECT GLOBAL DEFAULT 35
svc_max_pollfd@@GLIBC_2.2.5
This causes problems when linking against libtirpc. I hope we can simply drop
the default symbol versions.
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 8af3185d3e0c4293fdd7251b0db4e4eefe92d08a
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mh�rt" -> "C�it". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
localedata/locales/gd_GB | 4 ++--
3 files changed, 9 insertions(+), 2 deletions(-)
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Subject: [Bug network/23166] Stray exported sunrpc objects even if Sun RPC is disabled
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| |/show_bug.cgi?id=1577210
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Subject: [Bug network/23166] Stray exported sunrpc objects even if Sun RPC is disabled
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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Version|2.27 |2.28
Resolution|--- |FIXED
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.28.
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Subject: [Bug network/23166] Stray exported sunrpc objects even if Sun RPC is disabled
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=89aacb513eb77549a29df2638913a0f8178cf3f5
commit 89aacb513eb77549a29df2638913a0f8178cf3f5
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri May 11 15:36:50 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 ++++
sunrpc/rpc_common.c | 15 +++++++++++----
sunrpc/svcauth_des.c | 13 +++++++++----
5 files changed, 37 insertions(+), 8 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug manual/23168] New: Improve quality of comic content in abort
Date: Fri, 11 May 2018 16:10:00 -0000
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Bug ID: 23168
Summary: Improve quality of comic content in abort
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: manual
Assignee: unassigned at sourceware dot org
Reporter: javier--CbphpPOVok9WFxGWvC7CbkqlsxDZyT at jasp dot net
CC: mtk.manpages at gmail dot com
Target Milestone: ---
Created attachment 11011
--> https://sourceware.org/bugzilla/attachment.cgi?id=11011&action=edit
Proposed enhancements as of 2018-05-08
There are complaints about the joke in abort section being low-quality. 2.28
will include this comic content, so improving quality is desired. Discussion
about this solution starts at
https://sourceware.org/ml/libc-alpha/2018-05/msg00136.html
Quote from relevant standard:
In business and in life, a sense of humor is an essential characteristic.
http://www.standard.net/Success-Strategies/2015/03/26/10-reasons-a-sense-of-humor-is-no-laughing-matter
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Fri, 11 May 2018 18:49:00 -0000
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Subject: [Bug localedata/23140] More languages need two forms of month names
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>From glibc-bugs-return-41843-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 11 19:22:17 2018
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Subject: [Bug libc/235] glibc fails to compile.
Date: Fri, 11 May 2018 19:22:00 -0000
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to just nothings from comment #4)
> install headers with ARCH=i386
>
> cd /usr/src/linux-xxxx
> make headers_install ARCH=i386 INSTALL_HDR_PATH=/apps/kernel-headers
> cd /usr/src/glibc-xxx/build
> ../configure --prefix=/usr --with-headers=/apps/kernel-headers/include
> --with-binutils=/usr/bin
> make
Please open a new bug for this issue and use the build component to file the
bug.
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>From glibc-bugs-return-41844-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 11 20:02:11 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23171] New: C++ iseqsig for long double converts arguments to double
Date: Fri, 11 May 2018 20:02:00 -0000
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Bug ID: 23171
Summary: C++ iseqsig for long double converts arguments to
double
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: gabriel at inconstante dot eti.br
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The C++ version of iseqsig in math.h does:
template<> struct __iseqsig_type<long double>
{
static int __call (double __x, double __y) throw ()
That is, __iseqsig_type<long double>::call has arguments of type double, when
they should have type long double to avoid spurious conversions to double.
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>From glibc-bugs-return-41845-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 11 20:05:16 2018
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Subject: [Bug manual/23168] Improve quality of comic content in abort
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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Status|UNCONFIRMED |SUSPENDED
Last reconfirmed| |2018-05-11
Ever confirmed|0 |1
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Suspending until after 2.28 is out in accordance with cool-down consensus.
https://sourceware.org/ml/libc-alpha/2018-05/msg00453.html
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>From glibc-bugs-return-41846-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 11 20:21:37 2018
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Subject: [Bug manual/23168] Improve quality of comic content in abort
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--- Comment #2 from Javier Serrano Polo <javier--CbphpPOVok9WFxGWvC7CbkqlsxDZyT at jasp dot net> ---
Indeed, you do fulfill your promises.
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>From glibc-bugs-return-41847-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 11 21:57:04 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23172] New: miq_NI: Provide actually abbreviated month names
Date: Fri, 11 May 2018 21:57:00 -0000
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Bug ID: 23172
Summary: miq_NI: Provide actually abbreviated month names
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
CC: libc-locales at sourceware dot org
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In Miskito language the abbreviated month names (abmon) are not really
abbreviated:
$ LC_ALL=miq_NI.utf8 locale -k mon
mon="siakwa kati;kuswa kati;kakamuk kati;lî wainhka kati;lih mairin kati;lî
kati;pastara kati;sikla kati;wîs kati;waupasa kati;yahbra kati;trisu kati"
$ LC_ALL=miq_NI.utf8 locale -k abmon
abmon="siakwa kati;kuswa kati;kakamuk kati;lî wainhka kati;lih mairin kati;lî
kati;pastara kati;sikla kati;wîs kati;waupasa kati;yahbra kati;trisu kati"
This may lead to confusion and ambiguity if there is a limited space to display
the month name, for example in `ls -l' command. I'm not telling how short the
abbreviated name should be, just please make them shorter because the longest
is 15 chars long.
Unfortunately, Miskito is not supported by CLDR so there is no place where I
can copy from.
See also a discussion: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=30814#11
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIwNDk4XSBtaXFfTkk6IG5ldyBNw61za2l0dSAv?= =?UTF-8?B?IE1pc2tpdG8gKG1pcSkgbGFuZ3VhZ2UgbG9jYWxlIGZvciBOaWNhcmFndWE=?Date: Fri, 11 May 2018 21:59:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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| |illa/show_bug.cgi?id=23172
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
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Carlos O'Donell <carlos at redhat dot com> changed:
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Subject: [Bug libc/16915] nl_langinfo doesn't work with static linking
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
Date: Sat, 12 May 2018 03:13:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Jonathan Wakely from comment #0)
> This program works when linked to libc.so but not when linked to libc.a
>
> #define _GNU_SOURCE
> #include <locale.h>
> #include <langinfo.h>
> #include <stdio.h>
>
> int main()
> {
> locale_t loc = newlocale(1 << LC_ALL, "en_US.UTF-8", 0);
> const char* ccurr = nl_langinfo_l(CURRENCY_SYMBOL, loc);
> printf("Currency symbol: %s\n", ccurr);
> return 0;
> }
>
> $ gcc loc.c
> $ ./a.out
> Currency symbol: $
> $ gcc loc.c -static
> $ ./a.out
> Currency symbol:
>
> The returned value is an empty string instead of "$"
>
> This was reduced from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85732
> which shows that all LC_MONETARY values are missing for all lcoales when the
> program is statically linked.
>
> I see this on several versions, 2.13, 2.25, 2.26, 2.27
This looks like bug 16915 has come back again.
It was fixed in 2.20, and a testcase covered this e.g. tst-langinfo compiled
static... oops, but there were no LC_MONETARY entries in the data input for
this test :-(
It looks like the static build is still optimizing out what it considers unused
categories. So the fix is incomplete.
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Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
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Subject: [Bug stdio/23151] A forked process with unclosed file does lseek before exit and can cause infinite loop in parent I/O
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Andreas Schwab <schwab@linux-m68k.org> changed:
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Please read
<http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_05_01>,
especially this paragraph:
Note that after a fork(), two handles exist where one existed before. The
application shall ensure that, if both handles can ever be accessed, they are
both in a state where the other could become the active handle first. The
application shall prepare for a fork() exactly as if it were a change of active
handle. (If the only action performed by one of the processes is one of the
exec functions or _exit() (not exit()), the handle is never accessed in that
process.)
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Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
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Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
I'm marking this as security- for now. If this can be abused to deliberately
cause applications to hang (across a security domain), we might have to treat
this as a security vulnerability.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23130] swapcontext isn't marked returns_twice
Date: Sat, 12 May 2018 09:33:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-41859-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat May 12 19:23:19 2018
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From: "danglin at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23174] New: [hppa] SIGSEGV on return from signal handler
Date: Sat, 12 May 2018 19:23:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23174
Bug ID: 23174
Summary: [hppa] SIGSEGV on return from signal handler
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: danglin at gcc dot gnu.org
CC: carlos at redhat dot com, drepper.fsp at gmail dot com
Target Milestone: ---
Host: hppa-unknown-linux-gnu
Target: hppa-unknown-linux-gnu
Build: hppa-unknown-linux-gnu
On trunk, a significant number of tests have regressed and now fail:
FAIL: elf/tst-audit2
FAIL: gmon/tst-sprofil
FAIL: malloc/tst-mallocfork
FAIL: malloc/tst-mallocfork2
FAIL: nptl/tst-cancel19
FAIL: nptl/tst-cleanupx4
FAIL: nptl/tst-eintr1
FAIL: nptl/tst-eintr2
FAIL: nptl/tst-eintr3
FAIL: nptl/tst-eintr4
FAIL: nptl/tst-eintr5
FAIL: nptl/tst-kill6
FAIL: nptl/tst-raise1
FAIL: nptl/tst-sem6
FAIL: nptl/tst-setuid3
FAIL: nptl/tst-signal3
FAIL: nptl/tst-signal6
FAIL: nptl/tst-tls2
FAIL: nptl/tst-tls3
FAIL: nptl/tst-tls3-malloc
FAIL: nptl/tst-vfork2
FAIL: posix/tst-waitid
FAIL: rt/tst-aio10
FAIL: rt/tst-aio4
FAIL: rt/tst-aio9
FAIL: rt/tst-cputimer1
FAIL: rt/tst-cputimer2
FAIL: rt/tst-cputimer3
FAIL: rt/tst-mqueue2
FAIL: rt/tst-mqueue5
FAIL: rt/tst-timer
FAIL: rt/tst-timer4
FAIL: rt/tst-timer5
FAIL: signal/tst-raise
FAIL: signal/tst-signal
FAIL: signal/tst-sigwait-eintr
FAIL: stdlib/tst-setcontext2
FAIL: time/clocktest
Summary of test results:
38 FAIL
4859 PASS
1 UNSUPPORTED
14 XFAIL
4 XPASS
Some of this has to do with building with gcc-8.
I looked at the failure of tst-signal. It generates a SIGSEGV when the
signal handler branches to the stack trampoline for sigreturn:
(gdb) stepi
0x00010894 in ?? ()
(gdb)
<signal handler called>
(gdb) p/x $pc
$16 = 0xf8d02514
(gdb) stepi
Program received signal SIGSEGV, Segmentation fault.
<signal handler called>
(gdb) p/x $pc
$17 = 0xf8d02514
(gdb) disass $pc,$pc+16
Dump of assembler code from 0xf8d02514 to 0xf8d02524:
=> 0xf8d02514: ldi 1,r25
0xf8d02518: ldi ad,r20
0xf8d0251c: be,l 100(sr2,r0),sr0,r31
0xf8d02520: nop
End of assembler dump.
The problem is the stack is not executable:
dave@mx3210:/proc/7125$ cat maps|grep f8d0
f8cfc000-f8d01000 rw-p 00000000 00:00 0
f8d01000-f8d23000 rw-p 00000000 00:00 0
[stack]
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>From glibc-bugs-return-41860-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat May 12 20:56:56 2018
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From: "danglin at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23174] [hppa] SIGSEGV on return from signal handler
Date: Sat, 12 May 2018 20:56:00 -0000
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John David Anglin <danglin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |deller at gmx dot de
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
The difference between gcc-7 and gcc-8 is the check whether --noexecstack is
useful with .S files. The option is enabled with gcc-8:
configure:5712: checking whether --noexecstack is desirable for .S files
configure:5722: gcc-8 -g -O2
-S -o conftest.s conftest.c 1>&5
configure:5725: $? = 0
configure:5730: gcc-8 -Wa,--noexecstack
-c -o conftest.o conftest.s 1>&5
configure:5733: $? = 0
configure:5742: result: yes
If I add, "-Wa,--execstack" to the compile options for tst-signal, then it
passes.
I'm not sure what the best fix is. We also need an executable stack for
nested functions. It's possible this use could be eliminated. I think the
best solution would be to move the signal return trampoline off the stack.
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>From glibc-bugs-return-41861-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat May 12 23:36:26 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug dynamic-link/23176] New: elf/reldep6 fails with BIND_NOW
Date: Sat, 12 May 2018 23:36:00 -0000
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Bug ID: 23176
Summary: elf/reldep6 fails with BIND_NOW
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
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Target: x86_64-*-*, i?86-*-*
[hjl@gnu-6 build-x86_64-linux]$ ./elf/reldep6
[hjl@gnu-6 build-x86_64-linux]$ LD_BIND_NOW=1 ./elf/reldep6
Segmentation fault
[hjl@gnu-6 build-x86_64-linux]$ gdb ./elf/reldep6
GNU gdb (GDB) Fedora 7.11.1-75.fc24
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./elf/reldep6...done.
(gdb) set env LD_BIND_NOW=1
(gdb) r
Starting program: /export/build/gnu/glibc/build-x86_64-linux/elf/reldep6
Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00007ffff7232709 in baz () at reldep6mod1.c:13
#2 0x00000000004009b6 in main () at reldep6.c:57
(gdb) f 1
#1 0x00007ffff7232709 in baz () at reldep6mod1.c:13
13 return weak () + 1;
(gdb)
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>From glibc-bugs-return-41862-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun May 13 14:42:52 2018
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From: "danglin at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23174] [hppa] SIGSEGV on return from signal handler
Date: Sun, 13 May 2018 14:42:00 -0000
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--- Comment #2 from John David Anglin <danglin at gcc dot gnu.org> ---
I tend to think the kernel should handle the SIGSEGV as a sigreturn.
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>From glibc-bugs-return-41863-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun May 13 19:58:01 2018
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From: "Laurent.Lyaudet at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23076] Iconv translitterate with profile
Date: Sun, 13 May 2018 19:58:00 -0000
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--- Comment #9 from Laurent Lyaudet <Laurent.Lyaudet at gmail dot com> ---
Hello,
>It's unclear to me if the current locale facilities work for you. Do they?
They work partly. I have to do an str_replace for the character "non breakable
space" since I want to transliterate it altough it could be converted.
I started a library to give a proof of concept of what I mean by
transliteration profile.
Source code is here
https://github.com/LLyaudet/transliteration_profile_iconv
It is still work in progress but you could be able to understand more precisely
the idea.
I welcome any feedback.
Best regards,
Laurent Lyaudet
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>From glibc-bugs-return-41864-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 01:40:16 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
Date: Mon, 14 May 2018 01:40:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #1)
> It looks like the static build is still optimizing out what it considers
> unused categories. So the fix is incomplete.
So when I add CURRENCY_SYMBOL as input data to the tst-langinfo-static test, it
passes:
LC_ALL=en_US.UTF-8 nl_langinfo(CURRENCY_SYMBOL) = "$", OK
Which means nl_langinfo is working as expected for static applications with
LC_MONETARY and CURRENCY_SYMBOL.
When I extend coverage to newlocale/nl_langinfo_l it fails:
FAIL: localedata/tst-langinfo-static
grep 'FAILED' localedata/tst-langinfo-static.out
LC_ALL=de_DE.ISO-8859-1 nl_langinfo(ABDAY_1)FAILED (expected: So)
LC_ALL=fr_FR.ISO-8859-1 nl_langinfo(ABDAY_1)FAILED (expected: dim.)
Which it should not, so there is something wrong there.
I would need a whole new test for newlocale/nl_langinfo_l which doesn't exist
to be able to verify the static linkage issue.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
Date: Mon, 14 May 2018 02:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23164
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
The new tst-langinfo-newlocale-static test is an abysmal failure.
FAIL: localedata/tst-langinfo-newlocale-static
---
nl_langinfo_l(ABDAY_1, C [0x47bea0]) = "Sun", OK
nl_langinfo_l(ABDAY_2, C [0x47bea0]) = "Mon", OK
nl_langinfo_l(ABDAY_3, C [0x47bea0]) = "Tue", OK
nl_langinfo_l(ABDAY_4, C [0x47bea0]) = "Wed", OK
nl_langinfo_l(ABDAY_5, C [0x47bea0]) = "Thu", OK
nl_langinfo_l(ABDAY_6, C [0x47bea0]) = "Fri", OK
nl_langinfo_l(ABDAY_7, C [0x47bea0]) = "Sat", OK
nl_langinfo_l(DAY_1, C [0x47bea0]) = "Sunday", OK
nl_langinfo_l(DAY_2, C [0x47bea0]) = "Monday", OK
nl_langinfo_l(DAY_3, C [0x47bea0]) = "Tuesday", OK
nl_langinfo_l(DAY_4, C [0x47bea0]) = "Wednesday", OK
nl_langinfo_l(DAY_5, C [0x47bea0]) = "Thursday", OK
nl_langinfo_l(DAY_6, C [0x47bea0]) = "Friday", OK
nl_langinfo_l(DAY_7, C [0x47bea0]) = "Saturday", OK
nl_langinfo_l(ABMON_1, C [0x47bea0]) = "Jan", OK
nl_langinfo_l(ABMON_2, C [0x47bea0]) = "Feb", OK
nl_langinfo_l(ABMON_3, C [0x47bea0]) = "Mar", OK
nl_langinfo_l(ABMON_4, C [0x47bea0]) = "Apr", OK
nl_langinfo_l(ABMON_5, C [0x47bea0]) = "May", OK
nl_langinfo_l(ABMON_6, C [0x47bea0]) = "Jun", OK
nl_langinfo_l(ABMON_7, C [0x47bea0]) = "Jul", OK
nl_langinfo_l(ABMON_8, C [0x47bea0]) = "Aug", OK
nl_langinfo_l(ABMON_9, C [0x47bea0]) = "Sep", OK
nl_langinfo_l(ABMON_10, C [0x47bea0]) = "Oct", OK
nl_langinfo_l(ABMON_11, C [0x47bea0]) = "Nov", OK
nl_langinfo_l(ABMON_12, C [0x47bea0]) = "Dec", OK
nl_langinfo_l(MON_1, C [0x47bea0]) = "January", OK
nl_langinfo_l(MON_2, C [0x47bea0]) = "February", OK
nl_langinfo_l(MON_3, C [0x47bea0]) = "March", OK
nl_langinfo_l(MON_4, C [0x47bea0]) = "April", OK
nl_langinfo_l(MON_5, C [0x47bea0]) = "May", OK
nl_langinfo_l(MON_6, C [0x47bea0]) = "June", OK
nl_langinfo_l(MON_7, C [0x47bea0]) = "July", OK
nl_langinfo_l(MON_8, C [0x47bea0]) = "August", OK
nl_langinfo_l(MON_9, C [0x47bea0]) = "September", OK
nl_langinfo_l(MON_10, C [0x47bea0]) = "October", OK
nl_langinfo_l(MON_11, C [0x47bea0]) = "November", OK
nl_langinfo_l(MON_12, C [0x47bea0]) = "December", OK
nl_langinfo_l(AM_STR, C [0x47bea0]) = "AM", OK
nl_langinfo_l(PM_STR, C [0x47bea0]) = "PM", OK
nl_langinfo_l(D_T_FMT, C [0x47bea0]) = "%a %b %e %H:%M:%S %Y", OK
nl_langinfo_l(D_FMT, C [0x47bea0]) = "%m/%d/%y", OK
nl_langinfo_l(T_FMT, C [0x47bea0]) = "%H:%M:%S", OK
nl_langinfo_l(T_FMT_AMPM, C [0x47bea0]) = "%I:%M:%S %p", OK
nl_langinfo_l(ABDAY_1, C [0x47bea0]) = "Sun", OK
nl_langinfo_l(ABDAY_2, C [0x47bea0]) = "Mon", OK
nl_langinfo_l(ABDAY_3, C [0x47bea0]) = "Tue", OK
nl_langinfo_l(ABDAY_4, C [0x47bea0]) = "Wed", OK
nl_langinfo_l(ABDAY_5, C [0x47bea0]) = "Thu", OK
nl_langinfo_l(ABDAY_6, C [0x47bea0]) = "Fri", OK
nl_langinfo_l(ABDAY_7, C [0x47bea0]) = "Sat", OK
nl_langinfo_l(DAY_1, C [0x47bea0]) = "Sunday", OK
nl_langinfo_l(DAY_2, C [0x47bea0]) = "Monday", OK
nl_langinfo_l(DAY_3, C [0x47bea0]) = "Tuesday", OK
nl_langinfo_l(DAY_4, C [0x47bea0]) = "Wednesday", OK
nl_langinfo_l(DAY_5, C [0x47bea0]) = "Thursday", OK
nl_langinfo_l(DAY_6, C [0x47bea0]) = "Friday", OK
nl_langinfo_l(DAY_7, C [0x47bea0]) = "Saturday", OK
nl_langinfo_l(RADIXCHAR, C [0x47bea0]) = ".", OK
nl_langinfo_l(THOUSEP, C [0x47bea0]) = "", OK
nl_langinfo_l(YESEXPR, C [0x47bea0]) = "^[yY]", OK
nl_langinfo_l(NOEXPR, C [0x47bea0]) = "^[nN]", OK
nl_langinfo_l(ABMON_1, en_US.ANSI_X3.4-1968 [0x184c270]) = "Jan", OK
nl_langinfo_l(ABMON_2, en_US.ANSI_X3.4-1968 [0x184c270]) = "Feb", OK
nl_langinfo_l(ABMON_3, en_US.ANSI_X3.4-1968 [0x184c270]) = "Mar", OK
nl_langinfo_l(ABMON_4, en_US.ANSI_X3.4-1968 [0x184c270]) = "Apr", OK
nl_langinfo_l(ABMON_5, en_US.ANSI_X3.4-1968 [0x184c270]) = "May", OK
nl_langinfo_l(ABMON_6, en_US.ANSI_X3.4-1968 [0x184c270]) = "Jun", OK
nl_langinfo_l(ABMON_7, en_US.ANSI_X3.4-1968 [0x184c270]) = "Jul", OK
nl_langinfo_l(ABMON_8, en_US.ANSI_X3.4-1968 [0x184c270]) = "Aug", OK
nl_langinfo_l(ABMON_9, en_US.ANSI_X3.4-1968 [0x184c270]) = "Sep", OK
nl_langinfo_l(ABMON_10, en_US.ANSI_X3.4-1968 [0x184c270]) = "Oct", OK
nl_langinfo_l(ABMON_11, en_US.ANSI_X3.4-1968 [0x184c270]) = "Nov", OK
nl_langinfo_l(ABMON_12, en_US.ANSI_X3.4-1968 [0x184c270]) = "Dec", OK
nl_langinfo_l(MON_1, en_US.ANSI_X3.4-1968 [0x184c270]) = "January", OK
nl_langinfo_l(MON_2, en_US.ANSI_X3.4-1968 [0x184c270]) = "February", OK
nl_langinfo_l(MON_3, en_US.ANSI_X3.4-1968 [0x184c270]) = "March", OK
nl_langinfo_l(MON_4, en_US.ANSI_X3.4-1968 [0x184c270]) = "April", OK
nl_langinfo_l(MON_5, en_US.ANSI_X3.4-1968 [0x184c270]) = "May", OK
nl_langinfo_l(MON_6, en_US.ANSI_X3.4-1968 [0x184c270]) = "June", OK
nl_langinfo_l(MON_7, en_US.ANSI_X3.4-1968 [0x184c270]) = "July", OK
nl_langinfo_l(MON_8, en_US.ANSI_X3.4-1968 [0x184c270]) = "August", OK
nl_langinfo_l(MON_9, en_US.ANSI_X3.4-1968 [0x184c270]) = "September", OK
nl_langinfo_l(MON_10, en_US.ANSI_X3.4-1968 [0x184c270]) = "October", OK
nl_langinfo_l(MON_11, en_US.ANSI_X3.4-1968 [0x184c270]) = "November", OK
nl_langinfo_l(MON_12, en_US.ANSI_X3.4-1968 [0x184c270]) = "December", OK
nl_langinfo_l(AM_STR, en_US.ANSI_X3.4-1968 [0x184c270]) = "AM", OK
nl_langinfo_l(PM_STR, en_US.ANSI_X3.4-1968 [0x184c270]) = "PM", OK
nl_langinfo_l(D_T_FMT, en_US.ANSI_X3.4-1968 [0x184c270]) = "%a %b %e %H:%M:%S
%Y", FAILED (expected: %a %d %b %Y %r %Z)
nl_langinfo_l(D_FMT, en_US.ANSI_X3.4-1968 [0x184c270]) = "%m/%d/%y", FAILED
(expected: %m/%d/%Y)
nl_langinfo_l(T_FMT, en_US.ANSI_X3.4-1968 [0x184c270]) = "%H:%M:%S", FAILED
(expected: %r)
nl_langinfo_l(T_FMT_AMPM, en_US.ANSI_X3.4-1968 [0x184c270]) = "%I:%M:%S %p", OK
nl_langinfo_l(RADIXCHAR, en_US.ANSI_X3.4-1968 [0x184c270]) = ".", OK
nl_langinfo_l(THOUSEP, en_US.ANSI_X3.4-1968 [0x184c270]) = "", FAILED
(expected: ,)
nl_langinfo_l(YESEXPR, en_US.ANSI_X3.4-1968 [0x184c270]) = "^[yY]", FAILED
(expected: ^[+1yY])
nl_langinfo_l(NOEXPR, en_US.ANSI_X3.4-1968 [0x184c270]) = "^[nN]", FAILED
(expected: ^[-0nN])
nl_langinfo_l(ABMON_1, en_US.ISO-8859-1 [0x1853030]) = "Jan", OK
nl_langinfo_l(ABMON_2, en_US.ISO-8859-1 [0x1847430]) = "Feb", OK
nl_langinfo_l(ABMON_3, en_US.ISO-8859-1 [0x1853030]) = "Mar", OK
nl_langinfo_l(ABMON_4, en_US.ISO-8859-1 [0x1847430]) = "Apr", OK
nl_langinfo_l(ABMON_5, en_US.ISO-8859-1 [0x1853030]) = "May", OK
nl_langinfo_l(ABMON_6, en_US.ISO-8859-1 [0x1847430]) = "Jun", OK
nl_langinfo_l(ABMON_7, en_US.ISO-8859-1 [0x1853030]) = "Jul", OK
nl_langinfo_l(ABMON_8, en_US.ISO-8859-1 [0x1847430]) = "Aug", OK
nl_langinfo_l(ABMON_9, en_US.ISO-8859-1 [0x1853030]) = "Sep", OK
nl_langinfo_l(ABMON_10, en_US.ISO-8859-1 [0x1847430]) = "Oct", OK
nl_langinfo_l(ABMON_11, en_US.ISO-8859-1 [0x1853030]) = "Nov", OK
nl_langinfo_l(ABMON_12, en_US.ISO-8859-1 [0x1847430]) = "Dec", OK
nl_langinfo_l(MON_1, en_US.ISO-8859-1 [0x1853030]) = "January", OK
nl_langinfo_l(MON_2, en_US.ISO-8859-1 [0x1847430]) = "February", OK
nl_langinfo_l(MON_3, en_US.ISO-8859-1 [0x1853030]) = "March", OK
nl_langinfo_l(MON_4, en_US.ISO-8859-1 [0x1847430]) = "April", OK
nl_langinfo_l(MON_5, en_US.ISO-8859-1 [0x1853030]) = "May", OK
nl_langinfo_l(MON_6, en_US.ISO-8859-1 [0x1847430]) = "June", OK
nl_langinfo_l(MON_7, en_US.ISO-8859-1 [0x1853030]) = "July", OK
nl_langinfo_l(MON_8, en_US.ISO-8859-1 [0x1847430]) = "August", OK
nl_langinfo_l(MON_9, en_US.ISO-8859-1 [0x1853030]) = "September", OK
nl_langinfo_l(MON_10, en_US.ISO-8859-1 [0x1847430]) = "October", OK
nl_langinfo_l(MON_11, en_US.ISO-8859-1 [0x1853030]) = "November", OK
nl_langinfo_l(MON_12, en_US.ISO-8859-1 [0x1847430]) = "December", OK
nl_langinfo_l(AM_STR, en_US.ISO-8859-1 [0x1853030]) = "AM", OK
nl_langinfo_l(PM_STR, en_US.ISO-8859-1 [0x1847430]) = "PM", OK
nl_langinfo_l(D_T_FMT, en_US.ISO-8859-1 [0x1853030]) = "%a %b %e %H:%M:%S %Y",
FAILED (expected: %a %d %b %Y %r %Z)
nl_langinfo_l(D_FMT, en_US.ISO-8859-1 [0x1847430]) = "%m/%d/%y", FAILED
(expected: %m/%d/%Y)
nl_langinfo_l(T_FMT, en_US.ISO-8859-1 [0x1853030]) = "%H:%M:%S", FAILED
(expected: %r)
nl_langinfo_l(T_FMT_AMPM, en_US.ISO-8859-1 [0x1847430]) = "%I:%M:%S %p", OK
nl_langinfo_l(RADIXCHAR, en_US.ISO-8859-1 [0x1853030]) = ".", OK
nl_langinfo_l(THOUSEP, en_US.ISO-8859-1 [0x1847430]) = "", FAILED (expected: ,)
nl_langinfo_l(YESEXPR, en_US.ISO-8859-1 [0x1853030]) = "^[yY]", FAILED
(expected: ^[+1yY])
nl_langinfo_l(NOEXPR, en_US.ISO-8859-1 [0x1847430]) = "^[nN]", FAILED
(expected: ^[-0nN])
nl_langinfo_l(CURRENCY_SYMBOL, en_US.UTF-8 [0x1859900]) = "", FAILED (expected:
$)
nl_langinfo_l(ABDAY_1, de_DE.ISO-8859-1 [0x1853030]) = "Sun", FAILED (expected:
So)
nl_langinfo_l(ABDAY_2, de_DE.ISO-8859-1 [0x1847430]) = "Mon", FAILED (expected:
Mo)
nl_langinfo_l(ABDAY_3, de_DE.ISO-8859-1 [0x1853030]) = "Tue", FAILED (expected:
Di)
nl_langinfo_l(ABDAY_4, de_DE.ISO-8859-1 [0x1847430]) = "Wed", FAILED (expected:
Mi)
nl_langinfo_l(ABDAY_5, de_DE.ISO-8859-1 [0x1853030]) = "Thu", FAILED (expected:
Do)
nl_langinfo_l(ABDAY_6, de_DE.ISO-8859-1 [0x1847430]) = "Fri", FAILED (expected:
Fr)
nl_langinfo_l(ABDAY_7, de_DE.ISO-8859-1 [0x1853030]) = "Sat", FAILED (expected:
Sa)
nl_langinfo_l(DAY_1, de_DE.ISO-8859-1 [0x1847430]) = "Sunday", FAILED
(expected: Sonntag)
nl_langinfo_l(DAY_2, de_DE.ISO-8859-1 [0x1853030]) = "Monday", FAILED
(expected: Montag)
nl_langinfo_l(DAY_3, de_DE.ISO-8859-1 [0x1847430]) = "Tuesday", FAILED
(expected: Dienstag)
nl_langinfo_l(DAY_4, de_DE.ISO-8859-1 [0x1853030]) = "Wednesday", FAILED
(expected: Mittwoch)
nl_langinfo_l(DAY_5, de_DE.ISO-8859-1 [0x1847430]) = "Thursday", FAILED
(expected: Donnerstag)
nl_langinfo_l(DAY_6, de_DE.ISO-8859-1 [0x1853030]) = "Friday", FAILED
(expected: Freitag)
nl_langinfo_l(DAY_7, de_DE.ISO-8859-1 [0x1847430]) = "Saturday", FAILED
(expected: Samstag)
nl_langinfo_l(ABMON_1, de_DE.ISO-8859-1 [0x1853030]) = "Jan", OK
nl_langinfo_l(ABMON_2, de_DE.ISO-8859-1 [0x1847430]) = "Feb", OK
nl_langinfo_l(ABMON_3, de_DE.ISO-8859-1 [0x1853030]) = "Mar", FAILED (expected:
Mär)
nl_langinfo_l(ABMON_4, de_DE.ISO-8859-1 [0x1847430]) = "Apr", OK
nl_langinfo_l(ABMON_5, de_DE.ISO-8859-1 [0x1853030]) = "May", FAILED (expected:
Mai)
nl_langinfo_l(ABMON_6, de_DE.ISO-8859-1 [0x1847430]) = "Jun", OK
nl_langinfo_l(ABMON_7, de_DE.ISO-8859-1 [0x1853030]) = "Jul", OK
nl_langinfo_l(ABMON_8, de_DE.ISO-8859-1 [0x1847430]) = "Aug", OK
nl_langinfo_l(ABMON_9, de_DE.ISO-8859-1 [0x1853030]) = "Sep", OK
nl_langinfo_l(ABMON_10, de_DE.ISO-8859-1 [0x1847430]) = "Oct", FAILED
(expected: Okt)
nl_langinfo_l(ABMON_11, de_DE.ISO-8859-1 [0x1853030]) = "Nov", OK
nl_langinfo_l(ABMON_12, de_DE.ISO-8859-1 [0x1847430]) = "Dec", FAILED
(expected: Dez)
nl_langinfo_l(MON_1, de_DE.ISO-8859-1 [0x1853030]) = "January", FAILED
(expected: Januar)
nl_langinfo_l(MON_2, de_DE.ISO-8859-1 [0x1847430]) = "February", FAILED
(expected: Februar)
nl_langinfo_l(MON_3, de_DE.ISO-8859-1 [0x1853030]) = "March", FAILED (expected:
März)
nl_langinfo_l(MON_4, de_DE.ISO-8859-1 [0x1847430]) = "April", OK
nl_langinfo_l(MON_5, de_DE.ISO-8859-1 [0x1853030]) = "May", FAILED (expected:
Mai)
nl_langinfo_l(MON_6, de_DE.ISO-8859-1 [0x1847430]) = "June", FAILED (expected:
Juni)
nl_langinfo_l(MON_7, de_DE.ISO-8859-1 [0x1853030]) = "July", FAILED (expected:
Juli)
nl_langinfo_l(MON_8, de_DE.ISO-8859-1 [0x1847430]) = "August", OK
nl_langinfo_l(MON_9, de_DE.ISO-8859-1 [0x1853030]) = "September", OK
nl_langinfo_l(MON_10, de_DE.ISO-8859-1 [0x1847430]) = "October", FAILED
(expected: Oktober)
nl_langinfo_l(MON_11, de_DE.ISO-8859-1 [0x1853030]) = "November", OK
nl_langinfo_l(MON_12, de_DE.ISO-8859-1 [0x1847430]) = "December", FAILED
(expected: Dezember)
nl_langinfo_l(D_T_FMT, de_DE.ISO-8859-1 [0x1853030]) = "%a %b %e %H:%M:%S %Y",
FAILED (expected: %a %d %b %Y %T %Z)
nl_langinfo_l(D_FMT, de_DE.ISO-8859-1 [0x1847430]) = "%m/%d/%y", FAILED
(expected: %d.%m.%Y)
nl_langinfo_l(T_FMT, de_DE.ISO-8859-1 [0x1853030]) = "%H:%M:%S", FAILED
(expected: %T)
nl_langinfo_l(RADIXCHAR, de_DE.ISO-8859-1 [0x1847430]) = ".", FAILED (expected:
,)
nl_langinfo_l(THOUSEP, de_DE.ISO-8859-1 [0x1853030]) = "", FAILED (expected: .)
nl_langinfo_l(YESEXPR, de_DE.ISO-8859-1 [0x1847430]) = "^[yY]", FAILED
(expected: ^[+1jJyY])
nl_langinfo_l(NOEXPR, de_DE.ISO-8859-1 [0x1853030]) = "^[nN]", FAILED
(expected: ^[-0nN])
nl_langinfo_l(ABDAY_1, de_DE.UTF-8 [0x1859900]) = "Sun", FAILED (expected: So)
nl_langinfo_l(ABDAY_2, de_DE.UTF-8 [0x1859900]) = "Mon", FAILED (expected: Mo)
nl_langinfo_l(ABDAY_3, de_DE.UTF-8 [0x1859900]) = "Tue", FAILED (expected: Di)
nl_langinfo_l(ABDAY_4, de_DE.UTF-8 [0x1859900]) = "Wed", FAILED (expected: Mi)
nl_langinfo_l(ABDAY_5, de_DE.UTF-8 [0x1859900]) = "Thu", FAILED (expected: Do)
nl_langinfo_l(ABDAY_6, de_DE.UTF-8 [0x1859900]) = "Fri", FAILED (expected: Fr)
nl_langinfo_l(ABDAY_7, de_DE.UTF-8 [0x1859900]) = "Sat", FAILED (expected: Sa)
nl_langinfo_l(DAY_1, de_DE.UTF-8 [0x1859900]) = "Sunday", FAILED (expected:
Sonntag)
nl_langinfo_l(DAY_2, de_DE.UTF-8 [0x1859900]) = "Monday", FAILED (expected:
Montag)
nl_langinfo_l(DAY_3, de_DE.UTF-8 [0x1859900]) = "Tuesday", FAILED (expected:
Dienstag)
nl_langinfo_l(DAY_4, de_DE.UTF-8 [0x1859900]) = "Wednesday", FAILED (expected:
Mittwoch)
nl_langinfo_l(DAY_5, de_DE.UTF-8 [0x1859900]) = "Thursday", FAILED (expected:
Donnerstag)
nl_langinfo_l(DAY_6, de_DE.UTF-8 [0x1859900]) = "Friday", FAILED (expected:
Freitag)
nl_langinfo_l(DAY_7, de_DE.UTF-8 [0x1859900]) = "Saturday", FAILED (expected:
Samstag)
nl_langinfo_l(ABMON_1, de_DE.UTF-8 [0x1859900]) = "Jan", OK
nl_langinfo_l(ABMON_2, de_DE.UTF-8 [0x1859900]) = "Feb", OK
nl_langinfo_l(ABMON_3, de_DE.UTF-8 [0x1859900]) = "Mar", FAILED (expected:
Mär)
nl_langinfo_l(ABMON_4, de_DE.UTF-8 [0x1859900]) = "Apr", OK
nl_langinfo_l(ABMON_5, de_DE.UTF-8 [0x1859900]) = "May", FAILED (expected: Mai)
nl_langinfo_l(ABMON_6, de_DE.UTF-8 [0x1859900]) = "Jun", OK
nl_langinfo_l(ABMON_7, de_DE.UTF-8 [0x1859900]) = "Jul", OK
nl_langinfo_l(ABMON_8, de_DE.UTF-8 [0x1859900]) = "Aug", OK
nl_langinfo_l(ABMON_9, de_DE.UTF-8 [0x1859900]) = "Sep", OK
nl_langinfo_l(ABMON_10, de_DE.UTF-8 [0x1859900]) = "Oct", FAILED (expected:
Okt)
nl_langinfo_l(ABMON_11, de_DE.UTF-8 [0x1859900]) = "Nov", OK
nl_langinfo_l(ABMON_12, de_DE.UTF-8 [0x1859900]) = "Dec", FAILED (expected:
Dez)
nl_langinfo_l(MON_1, de_DE.UTF-8 [0x1859900]) = "January", FAILED (expected:
Januar)
nl_langinfo_l(MON_2, de_DE.UTF-8 [0x1859900]) = "February", FAILED (expected:
Februar)
nl_langinfo_l(MON_3, de_DE.UTF-8 [0x1859900]) = "March", FAILED (expected:
März)
nl_langinfo_l(MON_4, de_DE.UTF-8 [0x1859900]) = "April", OK
nl_langinfo_l(MON_5, de_DE.UTF-8 [0x1859900]) = "May", FAILED (expected: Mai)
nl_langinfo_l(MON_6, de_DE.UTF-8 [0x1859900]) = "June", FAILED (expected: Juni)
nl_langinfo_l(MON_7, de_DE.UTF-8 [0x1859900]) = "July", FAILED (expected: Juli)
nl_langinfo_l(MON_8, de_DE.UTF-8 [0x1859900]) = "August", OK
nl_langinfo_l(MON_9, de_DE.UTF-8 [0x1859900]) = "September", OK
nl_langinfo_l(MON_10, de_DE.UTF-8 [0x1859900]) = "October", FAILED (expected:
Oktober)
nl_langinfo_l(MON_11, de_DE.UTF-8 [0x1859900]) = "November", OK
nl_langinfo_l(MON_12, de_DE.UTF-8 [0x1859900]) = "December", FAILED (expected:
Dezember)
nl_langinfo_l(D_T_FMT, de_DE.UTF-8 [0x1859900]) = "%a %b %e %H:%M:%S %Y",
FAILED (expected: %a %d %b %Y %T %Z)
nl_langinfo_l(D_FMT, de_DE.UTF-8 [0x1859900]) = "%m/%d/%y", FAILED (expected:
%d.%m.%Y)
nl_langinfo_l(T_FMT, de_DE.UTF-8 [0x1859900]) = "%H:%M:%S", FAILED (expected:
%T)
nl_langinfo_l(RADIXCHAR, de_DE.UTF-8 [0x1859900]) = ".", FAILED (expected: ,)
nl_langinfo_l(THOUSEP, de_DE.UTF-8 [0x1859900]) = "", FAILED (expected: .)
nl_langinfo_l(YESEXPR, de_DE.UTF-8 [0x1859900]) = "^[yY]", FAILED (expected:
^[+1jJyY])
nl_langinfo_l(NOEXPR, de_DE.UTF-8 [0x1859900]) = "^[nN]", FAILED (expected:
^[-0nN])
nl_langinfo_l(ABDAY_1, fr_FR.ISO-8859-1 [0x1847430]) = "Sun", FAILED (expected:
dim.)
nl_langinfo_l(ABDAY_2, fr_FR.ISO-8859-1 [0x1853030]) = "Mon", FAILED (expected:
lun.)
nl_langinfo_l(ABDAY_3, fr_FR.ISO-8859-1 [0x1847430]) = "Tue", FAILED (expected:
mar.)
nl_langinfo_l(ABDAY_4, fr_FR.ISO-8859-1 [0x1853030]) = "Wed", FAILED (expected:
mer.)
nl_langinfo_l(ABDAY_5, fr_FR.ISO-8859-1 [0x1847430]) = "Thu", FAILED (expected:
jeu.)
nl_langinfo_l(ABDAY_6, fr_FR.ISO-8859-1 [0x1853030]) = "Fri", FAILED (expected:
ven.)
nl_langinfo_l(ABDAY_7, fr_FR.ISO-8859-1 [0x1847430]) = "Sat", FAILED (expected:
sam.)
nl_langinfo_l(DAY_1, fr_FR.ISO-8859-1 [0x1853030]) = "Sunday", FAILED
(expected: dimanche)
nl_langinfo_l(DAY_2, fr_FR.ISO-8859-1 [0x1847430]) = "Monday", FAILED
(expected: lundi)
nl_langinfo_l(DAY_3, fr_FR.ISO-8859-1 [0x1853030]) = "Tuesday", FAILED
(expected: mardi)
nl_langinfo_l(DAY_4, fr_FR.ISO-8859-1 [0x1847430]) = "Wednesday", FAILED
(expected: mercredi)
nl_langinfo_l(DAY_5, fr_FR.ISO-8859-1 [0x1853030]) = "Thursday", FAILED
(expected: jeudi)
nl_langinfo_l(DAY_6, fr_FR.ISO-8859-1 [0x1847430]) = "Friday", FAILED
(expected: vendredi)
nl_langinfo_l(DAY_7, fr_FR.ISO-8859-1 [0x1853030]) = "Saturday", FAILED
(expected: samedi)
nl_langinfo_l(ABMON_1, fr_FR.ISO-8859-1 [0x1847430]) = "Jan", FAILED (expected:
janv.)
nl_langinfo_l(ABMON_2, fr_FR.ISO-8859-1 [0x1853030]) = "Feb", FAILED (expected:
févr.)
nl_langinfo_l(ABMON_3, fr_FR.ISO-8859-1 [0x1847430]) = "Mar", FAILED (expected:
mars)
nl_langinfo_l(ABMON_4, fr_FR.ISO-8859-1 [0x1853030]) = "Apr", FAILED (expected:
avril)
nl_langinfo_l(ABMON_5, fr_FR.ISO-8859-1 [0x1847430]) = "May", FAILED (expected:
mai)
nl_langinfo_l(ABMON_6, fr_FR.ISO-8859-1 [0x1853030]) = "Jun", FAILED (expected:
juin)
nl_langinfo_l(ABMON_7, fr_FR.ISO-8859-1 [0x1847430]) = "Jul", FAILED (expected:
juil.)
nl_langinfo_l(ABMON_8, fr_FR.ISO-8859-1 [0x1853030]) = "Aug", FAILED (expected:
août)
nl_langinfo_l(ABMON_9, fr_FR.ISO-8859-1 [0x1847430]) = "Sep", FAILED (expected:
sept.)
nl_langinfo_l(ABMON_10, fr_FR.ISO-8859-1 [0x1853030]) = "Oct", FAILED
(expected: oct.)
nl_langinfo_l(ABMON_11, fr_FR.ISO-8859-1 [0x1847430]) = "Nov", FAILED
(expected: nov.)
nl_langinfo_l(ABMON_12, fr_FR.ISO-8859-1 [0x1853030]) = "Dec", FAILED
(expected: déc.)
nl_langinfo_l(MON_1, fr_FR.ISO-8859-1 [0x1847430]) = "January", FAILED
(expected: janvier)
nl_langinfo_l(MON_2, fr_FR.ISO-8859-1 [0x1853030]) = "February", FAILED
(expected: février)
nl_langinfo_l(MON_3, fr_FR.ISO-8859-1 [0x1847430]) = "March", FAILED (expected:
mars)
nl_langinfo_l(MON_4, fr_FR.ISO-8859-1 [0x1853030]) = "April", FAILED (expected:
avril)
nl_langinfo_l(MON_5, fr_FR.ISO-8859-1 [0x1847430]) = "May", FAILED (expected:
mai)
nl_langinfo_l(MON_6, fr_FR.ISO-8859-1 [0x1853030]) = "June", FAILED (expected:
juin)
nl_langinfo_l(MON_7, fr_FR.ISO-8859-1 [0x1847430]) = "July", FAILED (expected:
juillet)
nl_langinfo_l(MON_8, fr_FR.ISO-8859-1 [0x1853030]) = "August", FAILED
(expected: août)
nl_langinfo_l(MON_9, fr_FR.ISO-8859-1 [0x1847430]) = "September", FAILED
(expected: septembre)
nl_langinfo_l(MON_10, fr_FR.ISO-8859-1 [0x1853030]) = "October", FAILED
(expected: octobre)
nl_langinfo_l(MON_11, fr_FR.ISO-8859-1 [0x1847430]) = "November", FAILED
(expected: novembre)
nl_langinfo_l(MON_12, fr_FR.ISO-8859-1 [0x1853030]) = "December", FAILED
(expected: décembre)
nl_langinfo_l(D_T_FMT, fr_FR.ISO-8859-1 [0x1847430]) = "%a %b %e %H:%M:%S %Y",
FAILED (expected: %a %d %b %Y %T %Z)
nl_langinfo_l(D_FMT, fr_FR.ISO-8859-1 [0x1853030]) = "%m/%d/%y", FAILED
(expected: %d/%m/%Y)
nl_langinfo_l(T_FMT, fr_FR.ISO-8859-1 [0x1847430]) = "%H:%M:%S", FAILED
(expected: %T)
nl_langinfo_l(RADIXCHAR, fr_FR.ISO-8859-1 [0x1853030]) = ".", FAILED (expected:
,)
nl_langinfo_l(THOUSEP, fr_FR.ISO-8859-1 [0x1847430]) = "", FAILED (expected: Â )
nl_langinfo_l(YESEXPR, fr_FR.ISO-8859-1 [0x1853030]) = "^[yY]", FAILED
(expected: ^[+1oOyY])
nl_langinfo_l(NOEXPR, fr_FR.ISO-8859-1 [0x1847430]) = "^[nN]", FAILED
(expected: ^[-0nN])
nl_langinfo_l(ABDAY_1, ja_JP.EUC-JP [0x1878980]) = "Sun", FAILED (expected: Æü)
nl_langinfo_l(ABDAY_2, ja_JP.EUC-JP [0x1878980]) = "Mon", FAILED (expected: ·î)
nl_langinfo_l(ABDAY_3, ja_JP.EUC-JP [0x1878980]) = "Tue", FAILED (expected: ²Ã)
nl_langinfo_l(ABDAY_4, ja_JP.EUC-JP [0x1878980]) = "Wed", FAILED (expected: ¿å)
nl_langinfo_l(ABDAY_5, ja_JP.EUC-JP [0x1878980]) = "Thu", FAILED (expected: ÌÚ)
nl_langinfo_l(ABDAY_6, ja_JP.EUC-JP [0x1878980]) = "Fri", FAILED (expected: ¶â)
nl_langinfo_l(ABDAY_7, ja_JP.EUC-JP [0x1878980]) = "Sat", FAILED (expected: ÅÚ)
nl_langinfo_l(DAY_1, ja_JP.EUC-JP [0x1878980]) = "Sunday", FAILED (expected:
ÆüÃËÆü)
nl_langinfo_l(DAY_2, ja_JP.EUC-JP [0x1878980]) = "Monday", FAILED (expected:
·îÃËÆü)
nl_langinfo_l(DAY_3, ja_JP.EUC-JP [0x1878980]) = "Tuesday", FAILED (expected:
²ÃÃËÆü)
nl_langinfo_l(DAY_4, ja_JP.EUC-JP [0x1878980]) = "Wednesday", FAILED (expected:
¿åÃËÆü)
nl_langinfo_l(DAY_5, ja_JP.EUC-JP [0x1878980]) = "Thursday", FAILED (expected:
ÌÚÃËÆü)
nl_langinfo_l(DAY_6, ja_JP.EUC-JP [0x1878980]) = "Friday", FAILED (expected:
¶âÃËÆü)
nl_langinfo_l(DAY_7, ja_JP.EUC-JP [0x1878980]) = "Saturday", FAILED (expected:
ÅÚÃËÆü)
nl_langinfo_l(ABMON_1, ja_JP.EUC-JP [0x1878980]) = "Jan", FAILED (expected:
1·î)
nl_langinfo_l(ABMON_2, ja_JP.EUC-JP [0x1878980]) = "Feb", FAILED (expected:
2·î)
nl_langinfo_l(ABMON_3, ja_JP.EUC-JP [0x1878980]) = "Mar", FAILED (expected:
3·î)
nl_langinfo_l(ABMON_4, ja_JP.EUC-JP [0x1878980]) = "Apr", FAILED (expected:
4·î)
nl_langinfo_l(ABMON_5, ja_JP.EUC-JP [0x1878980]) = "May", FAILED (expected:
5·î)
nl_langinfo_l(ABMON_6, ja_JP.EUC-JP [0x1878980]) = "Jun", FAILED (expected:
6·î)
nl_langinfo_l(ABMON_7, ja_JP.EUC-JP [0x1878980]) = "Jul", FAILED (expected:
7·î)
nl_langinfo_l(ABMON_8, ja_JP.EUC-JP [0x1878980]) = "Aug", FAILED (expected:
8·î)
nl_langinfo_l(ABMON_9, ja_JP.EUC-JP [0x1878980]) = "Sep", FAILED (expected:
9·î)
nl_langinfo_l(ABMON_10, ja_JP.EUC-JP [0x1878980]) = "Oct", FAILED (expected:
10·î)
nl_langinfo_l(ABMON_11, ja_JP.EUC-JP [0x1878980]) = "Nov", FAILED (expected:
11·î)
nl_langinfo_l(ABMON_12, ja_JP.EUC-JP [0x1878980]) = "Dec", FAILED (expected:
12·î)
nl_langinfo_l(MON_1, ja_JP.EUC-JP [0x1878980]) = "January", FAILED (expected:
1·î)
nl_langinfo_l(MON_2, ja_JP.EUC-JP [0x1878980]) = "February", FAILED (expected:
2·î)
nl_langinfo_l(MON_3, ja_JP.EUC-JP [0x1878980]) = "March", FAILED (expected:
3·î)
nl_langinfo_l(MON_4, ja_JP.EUC-JP [0x1878980]) = "April", FAILED (expected:
4·î)
nl_langinfo_l(MON_5, ja_JP.EUC-JP [0x1878980]) = "May", FAILED (expected: 5·î)
nl_langinfo_l(MON_6, ja_JP.EUC-JP [0x1878980]) = "June", FAILED (expected: 6·î)
nl_langinfo_l(MON_7, ja_JP.EUC-JP [0x1878980]) = "July", FAILED (expected: 7·î)
nl_langinfo_l(MON_8, ja_JP.EUC-JP [0x1878980]) = "August", FAILED (expected:
8·î)
nl_langinfo_l(MON_9, ja_JP.EUC-JP [0x1878980]) = "September", FAILED (expected:
9·î)
nl_langinfo_l(MON_10, ja_JP.EUC-JP [0x1878980]) = "October", FAILED (expected:
10·î)
nl_langinfo_l(MON_11, ja_JP.EUC-JP [0x1878980]) = "November", FAILED (expected:
11·î)
nl_langinfo_l(MON_12, ja_JP.EUC-JP [0x1878980]) = "December", FAILED (expected:
12·î)
nl_langinfo_l(T_FMT_AMPM, ja_JP.EUC-JP [0x1878980]) = "%I:%M:%S %p", FAILED
(expected: %p%I»þ%Mʬ%SÉÃ)
nl_langinfo_l(ERA_D_FMT, ja_JP.EUC-JP [0x1878980]) = "", FAILED (expected:
%EY%m·î%dÆü)
nl_langinfo_l(ERA_D_T_FMT, ja_JP.EUC-JP [0x1878980]) = "", FAILED (expected:
%EY%m·î%dÆü %H»þ%Mʬ%SÉÃ)
nl_langinfo_l(RADIXCHAR, ja_JP.EUC-JP [0x1878980]) = ".", OK
nl_langinfo_l(THOUSEP, ja_JP.EUC-JP [0x1878980]) = "", FAILED (expected: ,)
nl_langinfo_l(YESEXPR, ja_JP.EUC-JP [0x1878980]) = "^[yY]", FAILED (expected:
^([+1yY£ù£Ù]|¤Ã¤¤|¥å¤))
nl_langinfo_l(NOEXPR, ja_JP.EUC-JP [0x1878980]) = "^[nN]", FAILED (expected:
^([-0nN£î£Î]|¤¤¤¤¤¨|¥¤¥¤¥¨))
---
So not just missing data but wrong data.
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>From glibc-bugs-return-41866-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 07:55:12 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23076] Iconv translitterate with profile
Date: Mon, 14 May 2018 07:55:00 -0000
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Laurent Lyaudet from comment #9)
> Hello,
>
> >It's unclear to me if the current locale facilities work for you. Do they?
> They work partly. I have to do an str_replace for the character "non
> breakable space" since I want to transliterate it altough it could be
> converted.
But couldn't use a custom charmap for that, one that drops the non-breakable
space?
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>From glibc-bugs-return-41867-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 08:14:32 2018
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Subject: [Bug malloc/12547] realloc(p, 0) violates C99
Date: Mon, 14 May 2018 08:14:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #16 from Florian Weimer <fweimer at redhat dot com> ---
As I implied in comment 15, the current POSIX specification permits the current
glibc behavior, especially if we change free not to set errno (bug 17924).
I think the future version of the ISO C standard is still secret, so I cannot
comment on it here, but I suggest to disregard it anyway: We are not going to
change behavior again merely for the sake of standards compliance, so I'm
closing this bug.
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>From glibc-bugs-return-41868-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 09:44:33 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23172] miq_NI: Provide actually abbreviated month names
Date: Mon, 14 May 2018 09:44:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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>From glibc-bugs-return-41869-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 12:52:31 2018
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From: "huangkaibin at huawei dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23178] New: sudo will fail when it is run in concurrent with commands that changes /etc/passwd
Date: Mon, 14 May 2018 12:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23178
Bug ID: 23178
Summary: sudo will fail when it is run in concurrent with
commands that changes /etc/passwd
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nscd
Assignee: unassigned at sourceware dot org
Reporter: huangkaibin at huawei dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
when nscd service is enabled, sudo will fail with "unknown uid 0: who are you?"
when it is run in concurrent with commands that changes /etc/passwd file(such
usermod or chage).
This problem can be reproduced by the following script.
#-----------------start------------------------
systemctl try-restart nscd.service
(while : ; do ps aux >/dev/null ; done) & #not necessary, but will make this
problem be reproduced easier
(while : ; do touch /etc/passwd ; done) &
while : ; do
err=$(sudo pwd 2>&1 1>/dev/null)
if [ $? -eq 1 ]; then
echo "oops, sudo failed. $err"
fi
done
#-----------------end--------------------------
This simple script just starts nscd service and does the following things in
concurrent
1. touch /etc/passwd
2. run any sudo command
3. An additional "ps aux" command just to make this problem be reproduced
easier
By looking through source of nscd, I found that this problem is caused by the
using of sendfile syscall. I tried to disable sendfile by replacing sendfileall
function call with writeall in connection.c and pwdcache.c, and this problem
would not happen anymore.
>From the manual of sendfile, there is a constraint that the data to be sent
must remain unmodified until it is consumed by the reader.
------------------------------------------------------------------------
If out_fd refers to a socket or pipe with zero-copy support, callers
must ensure the transferred portions of the file referred to by in_fd
remain unmodified until the reader on the other end of out_fd has
consumed the transferred data.
------------------------------------------------------------------------
In the problem, sudo will receive wrong user content, if it has not consumed
the data, but nscd service has already pruned and renewed the user cache.
I don't have any idea to fix this problem if we will use sendfie anyway and
don't think it can be fixed by lock mechanism since it is caused by the
constraint of the sendfile.
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>From glibc-bugs-return-41870-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 14:35:02 2018
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
Date: Mon, 14 May 2018 14:35:00 -0000
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--- Comment #1 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
The following patch is under review:
https://sourceware.org/ml/libc-alpha/2018-05/msg00550.html
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>From glibc-bugs-return-41871-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 14:36:25 2018
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
Date: Mon, 14 May 2018 14:36:00 -0000
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Version|2.27 |2.26
Assignee|unassigned at sourceware dot org |gabriel at inconstante dot eti.br
--- Comment #2 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
I just marked version 2.26 as affected by this bug, since the the C++ version
of iseqsig has been backported to it.
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>From glibc-bugs-return-41872-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 15:41:37 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23174] [hppa] SIGSEGV on return from signal handler
Date: Mon, 14 May 2018 15:41:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If executable stacks are needed for signal returns in current kernels, the
hppa GCC changes may need to be reverted, and the elf/check-execstack test
XFAILed on hppa with a comment explaining the issue like the one in
sysdeps/unix/sysv/linux/mips/Makefile, until the hppa kernel has been
changed to use a VDSO for signal returns and older kernel versions without
that support are no longer supported by glibc. (I think the lack of
SA_RESTORER support in the hppa kernel means it's not possible for glibc
to provide a signal return trampoline and so avoid the issue that way.)
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>From glibc-bugs-return-41873-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 15:55:31 2018
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From: "raajeshdasari at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23179] New: libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
Date: Mon, 14 May 2018 15:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23179
Bug ID: 23179
Summary: libpthread.so.0: undefined reference to
`_IO_enable_locks@GLIBC_PRIVATE'
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
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Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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Hi ,
I am compiling the dosfstools 4.1 version with gcc 4.9.4 and glibc 2.27 and i
am getting the below error.
x86_64-linux-gnu-gcc --sysroot=/home/work/x86_64/rootfs/x86_64-linux-gnu -Wall
-Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes
-Wstrict-prototypes -Wwrite-strings -g -O2 -L/usr/lib64 -ludev -o testdevinfo
testdevinfo-testdevinfo.o testdevinfo-device_info.o blkdev/testdevinfo-blkdev.o
blkdev/testdevinfo-linux_version.o
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libm.so.6: undefined reference
to __strtof128_nan@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libpthread.so.0: undefined
reference to_IO_enable_locks@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libpthread.so.0: undefined
reference to __mmap@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libpthread.so.0: undefined
reference to__munmap@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libresolv.so.2: undefined
reference to __resolv_context_get@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libresolv.so.2: undefined
reference to__resolv_context_get_override@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libpthread.so.0: undefined
reference to __mprotect@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libpthread.so.0: undefined
reference to__tunable_get_val@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libresolv.so.2: undefined
reference to __resolv_context_get_preinit@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/librt.so.1: undefined reference
to__close_nocancel@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libpthread.so.0: undefined
reference to __sigtimedwait@GLIBC_PRIVATE'
/home/work/x86_64/rootfs/x86_64-linux-gnu/lib64/libresolv.so.2: undefined
reference to__resolv_context_put@GLIBC_PRIVATE'
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:435: testdevinfo] Error 1
make[4]: *** Waiting for unfinished jobs....
mv -f .deps/mkfs_fat-mkfs.fat.Tpo .deps/mkfs_fat-mkfs.fat.Po
make[3]: *** [Makefile:400: all-recursive] Error 1
The same dosfstools version compilation was successful with the gcc 4.9.4 and
glibc 2.24. Is this any know issue, Please provide your inputs.
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Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
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raajeshdasari at gmail dot com <raajeshdasari at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |raajeshdasari at gmail dot com
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>From glibc-bugs-return-41875-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 16:16:43 2018
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Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
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--- Comment #1 from raajeshdasari at gmail dot com <raajeshdasari at gmail dot com> ---
In glibc 2.27
objdump -T libresolv.so.2 | grep "resolv_context_get"
0000000000000000 DF *UND* 0000000000000000 GLIBC_PRIVATE
__resolv_context_get_preinit
0000000000000000 DF *UND* 0000000000000000 GLIBC_PRIVATE
__resolv_context_get_override
0000000000000000 DF *UND* 0000000000000000 GLIBC_PRIVATE
__resolv_context_get
in glibc 2.24 version i didn't see undefined reference error for the same
symbols.
objdump -T /usr/lib64/libresolv.so | grep "resolv_context_get"
[root@NODE /]
# objdump -T /usr/lib64/libresolv.so | grep "resolv_context_get_override"
[root@NODE /]
#
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
Date: Mon, 14 May 2018 16:36:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Mon, 14 May 2018, raajeshdasari at gmail dot com wrote:
> x86_64-linux-gnu-gcc --sysroot=/home/work/x86_64/rootfs/x86_64-linux-gnu -Wall
> -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes
> -Wstrict-prototypes -Wwrite-strings -g -O2 -L/usr/lib64 -ludev -o testdevinfo
If /usr/lib64 contains any libraries from an older glibc, you may not be
able to safely use -L/usr/lib64 when building with a newer sysroot.
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>From glibc-bugs-return-41877-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 16:41:18 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
Date: Mon, 14 May 2018 16:41:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to joseph@codesourcery.com from comment #2)
> On Mon, 14 May 2018, raajeshdasari at gmail dot com wrote:
>
> > x86_64-linux-gnu-gcc --sysroot=/home/work/x86_64/rootfs/x86_64-linux-gnu -Wall
> > -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes
> > -Wstrict-prototypes -Wwrite-strings -g -O2 -L/usr/lib64 -ludev -o testdevinfo
>
> If /usr/lib64 contains any libraries from an older glibc, you may not be
> able to safely use -L/usr/lib64 when building with a newer sysroot.
Exactly what I was about to say. The use of -L/usr/lib64 to create a "mixed"
sysroot and system model is very dangerous. It's easier to copy libraries from
/usr/lib64 to the sysroot than to use any native paths.
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>From glibc-bugs-return-41878-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 17:20:17 2018
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From: "dave.anglin at bell dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23174] [hppa] SIGSEGV on return from signal handler
Date: Mon, 14 May 2018 17:20:00 -0000
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--- Comment #4 from dave.anglin at bell dot net ---
On 2018-05-14 11:41 AM, joseph at codesourcery dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23174
>
> --- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
> If executable stacks are needed for signal returns in current kernels, the
> hppa GCC changes may need to be reverted, and the elf/check-execstack test
> XFAILed on hppa with a comment explaining the issue like the one in
> sysdeps/unix/sysv/linux/mips/Makefile, until the hppa kernel has been
> changed to use a VDSO for signal returns and older kernel versions without
> that support are no longer supported by glibc. (I think the lack of
> SA_RESTORER support in the hppa kernel means it's not possible for glibc
> to provide a signal return trampoline and so avoid the issue that way.)
Currently, an executable stack is needed on hppa for syscall restarts
and signal returns. I think
for the next release we should stay with executable stacks.
The trampolines are short and I believe the kernel should be able to
emulate the instructions
when the stack isn't executable.
I looked at the SA_RESTORER issue yesterday. It's my impression that
the reason why SA_RESTORER
isn't supported is that there are two signal return trampolines. This is
because there are different returns
for syscalls and interrupts. The return trampolines load a register to
distinguish these alternatives.
The branch to these trampolines is done with a bv instruction. Since
user code runs at the lowest
privilege level, the two least significant bits in the transfer address
are ignored. I think we can encode
the in_syscall flag into these bits and extract the flag in the
trampoline.   This might allow us to
implement SA_RESTORER support.
I'll look at the mips Makefile.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
Date: Mon, 14 May 2018 17:27:00 -0000
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--- Comment #4 from raajeshdasari at gmail dot com <raajeshdasari at gmail dot com> ---
(In reply to joseph@codesourcery.com from comment #2)
> On Mon, 14 May 2018, raajeshdasari at gmail dot com wrote:
>
> > x86_64-linux-gnu-gcc --sysroot=/home/work/x86_64/rootfs/x86_64-linux-gnu -Wall
> > -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes
> > -Wstrict-prototypes -Wwrite-strings -g -O2 -L/usr/lib64 -ludev -o testdevinfo
>
> If /usr/lib64 contains any libraries from an older glibc, you may not be
> able to safely use -L/usr/lib64 when building with a newer sysroot.
Thanks a lot for the quick response , you are right there are old glibc
libraries are present under the /usr/lib64 path which is causing this failure.
Now the issue is fixed. I will close this ticket.
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Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
Date: Mon, 14 May 2018 17:28:00 -0000
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--- Comment #5 from raajeshdasari at gmail dot com <raajeshdasari at gmail dot com> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to joseph@codesourcery.com from comment #2)
> > On Mon, 14 May 2018, raajeshdasari at gmail dot com wrote:
> >
> > > x86_64-linux-gnu-gcc --sysroot=/home/work/x86_64/rootfs/x86_64-linux-gnu -Wall
> > > -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes
> > > -Wstrict-prototypes -Wwrite-strings -g -O2 -L/usr/lib64 -ludev -o testdevinfo
> >
> > If /usr/lib64 contains any libraries from an older glibc, you may not be
> > able to safely use -L/usr/lib64 when building with a newer sysroot.
>
> Exactly what I was about to say. The use of -L/usr/lib64 to create a "mixed"
> sysroot and system model is very dangerous. It's easier to copy libraries
> from /usr/lib64 to the sysroot than to use any native paths.
Thank you for your reply.
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>From glibc-bugs-return-41881-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 17:29:56 2018
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Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
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raajeshdasari at gmail dot com <raajeshdasari at gmail dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
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--- Comment #6 from raajeshdasari at gmail dot com <raajeshdasari at gmail dot com> ---
closing this bug as resolved Fixed.
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>From glibc-bugs-return-41882-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 17:47:12 2018
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Subject: [Bug libc/23179] libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
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>From glibc-bugs-return-41883-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 18:07:15 2018
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Subject: [Bug malloc/17924] 'free' should not set errno
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Eric Blake <eblake at redhat dot com> changed:
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>From glibc-bugs-return-41884-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 19:17:54 2018
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From: "Laurent.Lyaudet at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23076] Iconv translitterate with profile
Date: Mon, 14 May 2018 19:17:00 -0000
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--- Comment #11 from Laurent Lyaudet <Laurent.Lyaudet at gmail dot com> ---
(In reply to Florian Weimer from comment #10)
> (In reply to Laurent Lyaudet from comment #9)
> > Hello,
> >
> > >It's unclear to me if the current locale facilities work for you. Do they?
> > They work partly. I have to do an str_replace for the character "non
> > breakable space" since I want to transliterate it altough it could be
> > converted.
>
> But couldn't use a custom charmap for that, one that drops the non-breakable
> space?
Hello,
I tried to redefine the transliteration of the non-breakable space in the
locale file : (extract from comment 7)
> %nb space
> <U00A0> "<U0020>"
but it didn't work since transliteration is used when converting fails only.
I don't know exactly what you mean by using a custom charmap:
a)- is it modifying the source code of iconv ? (In libiconv I saw that charmaps
are compiled).
b)- or is there some file that defines the charmap that is read from at
execution time ?
One of the main ideas of "transliteration_profile_iconv" is that everything is
user defined by profiles at execution time because I thought that was not
possible with current iconv.
However if b) applies there may be already enough flexibility.
Thanks, best regards,
Laurent Lyaudet
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug argparse/23157] getopt fails when setting optind=1 under some circumstances
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
POSIX [1] does not explicit state the expected way to rescans the same vector
more than once. FreeBSD [2], for instance, exports a non-standard variable
'optreset' which must be set to '1' prior the second and each additional call
to 'getopt'. GLIBC in turn requires the program to reset 'optind' to *0*
instead (and POSIX states the behavior is unspecified).
So if you set 'optint' to 0 in the example provided it will pass on GLIBC.
Unfortunately this is not documented on the manual, only on man-pages [3] (on
NOTES).
[1] http://pubs.opengroup.org/onlinepubs/9699919799/
[2] https://www.freebsd.org/cgi/man.cgi?getopt(3)
[3] http://man7.org/linux/man-pages/man3/getopt.3.html
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Subject: [Bug nptl/12683] Race conditions in pthread cancellation
Date: Mon, 14 May 2018 20:43:00 -0000
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--- Comment #30 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/bz12683 has been created
at 2e8c8e9622f0591fdffb7b5e79d1b6937af52e6a (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e8c8e9622f0591fdffb7b5e79d1b6937af52e6a
commit 2e8c8e9622f0591fdffb7b5e79d1b6937af52e6a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 24 21:05:56 2017 -0200
nptl: Remove THREAD_ATOMIC_* macros
This patch removes the ununsed THREAD_ATOMIC_* macros now that nptl
code is using C11 atomics.
Checked on x86_64-linux-gnu and i686-linux-gnu.
* manual/pattern.texi (THREAD_ATOMIC_BIT_SET): Remove.
(THREAD_ATOMIC_CMPXCHG_VAL): Likewise.
* nptl/pthreadP.h (THREAD_ATOMIC_CMPXCHG_VAL): Likewise.
(THREAD_ATOMIC_BIT_SET): Likewise.
* sysdeps/i386/nptl/tls.h (THREAD_ATOMIC_CMPXCHG_VAL): Likewise.
(THREAD_ATOMIC_AND): Likewise.
* sysdeps/x86_64/nptl/tls.h (THREAD_ATOMIC_CMPXCHG_VAL): Likewise.
(THREAD_ATOMIC_AND): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c905cddb3868b5128b0460239e0cc5d609a7ef65
commit c905cddb3868b5128b0460239e0cc5d609a7ef65
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 24 09:17:37 2017 -0200
nptl: cancelhandling refactor
This patch basically uses glibc C11 atomic function to access and
modify struct pthread cancelhandling variable. All plain access
are handled using the atomic_load_* functions and THREAD_ATOMIC_BIT_SET
is replaced by atomic_fetch_or_acquire.
Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
aarch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.
* nptl/descr.h (CANCELED_BITMASK): Rename to THREAD_CANCELED.
(EXITING_BITMASK): Rename to THREAD_EXITING.
(TERMINATED_BITMARK): Rename to THREAD_TERMINATED.
* nptl/allocatestack.c (setxid_mark_thread): Use THREAD_* instead of
*_BITMASK and use glibc C11 atomic function to access pthread
cancelhandling.
* nptl/libc-cancellation.c (__syscall_cancel): Likewise.
* nptl/nptl-init.c (sigcancel_handler): Likewise.
* nptl/pthread_cancel.c (pthread_cancel): Likewise.
* nptl/pthread_create.c (__free_tcb): Likewise.
(START_THREAD_DEFN): Likewise.
(__pthread_create_2_1): Likewise.
* nptl/pthread_detach.c (pthread_detach): Likewise.
* nptl/pthread_exit.c (__pthread_exit): Likewise.
* nptl/pthread_join.c (pthread_join): Likewise.
* nptl_db/td_thr_get_info.c (td_thr_get_info): Likewise.
* nptl_db/td_thr_getfpregs.c (td_thr_getfpregs): Likewise.
* nptl_db/td_thr_getgregs.c (td_thr_getregs): Likewise.
* nptl_db/td_thr_setfpregs.c (td_thr_setfpregs): Likewise.
* nptl_db/td_thr_setgregs.c (td_thr_setgregs): Likewise.
* sysdeps/unix/sysv/linux/arm/syscall_cancel.S
(__syscall_cancel_arch): Change CANCELED_BITMASK to
THREAD_CANCELED in comment.
* sysdeps/unix/sysv/linux/syscall_cancel.c
(__syscall_cancel_arch): Likewise.
* sysdeps/x86_64/nptl/tcb-offsets.sym (TCB_CANCELED_BITMASK):
Remove.
(TCB_EXITING_BITMASK): Likewise.
(TCB_TERMINATED_BITMASK): Likewise.
* sysdeps/unix/sysv/linux/i386/syscall_cancel.S
(__syscall_cancel_arch): Likewise.
* sysdeps/unix/sysv/linux/powerpc/syscall_cancel.S
(__syscall_cancel_arch): Likewise.
* sysdeps/unix/sysv/linux/sh/syscall_cancel.S
(__syscall_cancel_arch): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/syscall_cancel.S
(__syscall_cancel_arch): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscall_cancel.S
(__syscall_cancel_arch): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2212de8d6ffc4b29baf170422656d784caab4959
commit 2212de8d6ffc4b29baf170422656d784caab4959
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jul 18 16:33:41 2017 -0300
nptl: Remove setxid bit from cancelhandling
This patch removes the setxid signaling out of cancelhandling flag
and use its own member of pthread instead. The idea is simplify
setxid handling to not mix atomic operation with thread cancellation
since both are orthogonal, and to isolate cancelhandling variable to
only track thread cancel state.
It also uses glibc C11 atomic operation while accessing new setxid_op
field.
Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
aarch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.
* nptl/allocatestack.c (get_cached_stack): Set sexid_op on new
allocated stack.
(setxid_mark_thread): Use setxid_op to mark thread as executing
a sexid operation insteaf of using cancelhandling. Also adapt
algorithm to use C11 atomic analogous functions.
(setxid_unmark_thread): Likewise.
(setxid_signal_thread): Likewise.
* nptl/nptl-init.c (sighandler_setxid): Likewise.
* nptl/pthread_create.c (sighandler_setxid): Likewise.
* nptl/descr.h (SETXID_BIT): Remove define.
(SETXID_BITMASK): Likewise.
(setxid_op): New member.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f1b02e0cc90b72148e2755b55dff1faac3b9eb8b
commit f1b02e0cc90b72148e2755b55dff1faac3b9eb8b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Jan 20 17:24:35 2017 -0200
nptl: Move cancel state and type out cancelhandling
This patch move both the cancel state (PTHREAD_CANCEL_ENABLE and
PTHREAD_CANCEL_DISABLE) and cancel type (PTHREAD_CANCEL_DEFERRED and
PTHREAD_CANCEL_ASYNCHRONOUS) out of cancelhandling member.
The idea is to simplify their access since for most cases there is
no concurrent access with cancellation mode:
* pthread_setcancel{type,state} and internal functions
__pthread_{un}register_cancel_defer (and its analogous compat
versions) only change the type/state of the calling thread.
* __syscall_cancel also only requires to check the state of
calling thread.
* sigcancel_handler is executed only for the thread about to be
potentially canceled.
* pthread_join deadlock checks only requires access the state for
the calling thread.
* Same behavior for pthread_testcancel.
With this change the cancelhandling member from pthread struct is
used solely for cancelation handling and setxid signaling.
Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
aarch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.
* nptl/allocatestack.c (get_cached_stack): Set both cancelstate
and canceltype on new stack allocation.
* nptl/cleanup_defer.c (__pthread_register_cancel_defer): Set
canceltype directly instead of using cancelhandling member.
(__pthread_unregister_cancel_restore): Likewise.
* nptl/cleanup_defer_compat.c (_pthread_cleanup_push_defer):
Likewise.
(_pthread_cleanup_pop_restore): Likewise.
* nptl/descr.h (CANCELSTATE_BIT): Remove flag.
(CANCELSTATE_BITMASK): Likewise.
(CANCELTYPE_BIT): Likewise.
(CANCELTYPE_BITMSK): Likewise.
(CANCEL_RESTMASK): Likewise.
(CANCEL_ENABLED_AND_CANCELED): Likewise.
(CANCEL_ENABLED_AND_CANCELED_AND_ASYNCHRONOUS): Likewise.
(cancelstate): New member.
(canceltype): Likewise.
* nptl/libc-cancellation.c (__syscall_cancel): Use cancelstate
instead of cancelhandling member.
* nptl/nptl-init.c (sigcancel_handler): Likewise.
* nptl/pthreadP.h (__do_cancel): Likewise.
(CANCELLATION_P): Likewise.
* nptl/pthread_join.c (pthread_join): Remove CANCELLATION_P
usage.
* nptl/pthread_testcancel.c (__pthread_testcancel): Likewise.
* nptl/pthread_setcancelstate.c (__pthread_setcancelstate):
Use cancelstate member instead of cancelhandling.
* nptl/pthread_setcanceltype.c (__pthread_setcanceltype): Use
canceltype member instead of canceltype.
* sysdeps/x86_64/nptl/tcb-offsets.sym (TCB_CANCELSTATE_BITMASK):
Remove.
(TCB_CANCELTYPE_BITMASK): Likewise.
(TCB_CANCEL_RETMASK): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7102b569bba27db931ae98460469796757709741
commit 7102b569bba27db931ae98460469796757709741
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Feb 26 16:24:15 2018 -0300
nptl: riscv: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the riscv modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function.
The default syscall_cancel.c should be as expected for RISCV. With
GCC 7.3.1 syscall_cancel.c generates the following code:
0000000000000000 <__GI___syscall_cancel_arch>:
0: 8346 mv t1,a7
0000000000000002 <__syscall_cancel_arch_start>:
2: 00052883 lw a7,0(a0)
6: 0048f893 andi a7,a7,4
a: 00089c63 bnez a7,22 <.L0 >
e: 88ae mv a7,a1
10: 8532 mv a0,a2
12: 85b6 mv a1,a3
14: 863a mv a2,a4
16: 86be mv a3,a5
18: 8742 mv a4,a6
1a: 879a mv a5,t1
1c: 00000073 ecall
0000000000000020 <__syscall_cancel_arch_end>:
20: 8082 ret
22: 1141 addi sp,sp,-16
24: e406 sd ra,8(sp)
26: 00000097 auipc ra,0x0
2a: 000080e7 jalr ra # 26 <.L0 >
Checked with a build for riscv64-linux-gnu with run-built-tests=no.
[BZ #12683]
* sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h (ucontext_get_pc):
New fuction.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1092ac32af74ddaa5ccfb63b8ef33b40b9befc8a
commit 1092ac32af74ddaa5ccfb63b8ef33b40b9befc8a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Feb 3 21:07:07 2017 -0200
nptl: hppa: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the hppa modifications required for the BZ#12683.
It basically adds the required __pthread_get_pc function.
HPPA requires an arch-specific syscall_cancel because the
INTERNAL_SYSCALL_NCS adds some instruction to fetch the returned
syscalls value. The implementation were based on on default C
version built with GCC 6.1
Checked on hppa-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/hppa/sigcontextinfo.h: New file.
* sysdeps/unix/sysv/linux/hppa/syscall_cancel.S: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f74aa232cde071899f8137920e84bbba3c8ed679
commit f74aa232cde071899f8137920e84bbba3c8ed679
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:03:07 2017 -0200
nptl: mips: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the mips modifications required for the BZ#12683.
It adds the required ucontext_get_pc function, a mips32 cancellable
syscall wrapper and 7 argument cancellable syscall support.
To avoid code pessimization and add a requirement on all architectures
to support {INLINE,INTERNAL)_SYSCALL with 7 argument, its support is
added through a flag, HAVE_CANCELABLE_SYSCALL_WITH_7_ARGS, which changes
the signature and prototype of the requires macros and functions
(SYSCALL_CANCEL, __syscall_cancel and __syscall_cancel_arch). As
default 6 arguments cancellable syscalls are use.
MIPS o32 requires an arch-specific implementation because
INTERNAL_SYSCALL_NCS adds an 'addiu' just after the syscall
instruction which invalidates the checks on sigcancel_handler.
Checked against a build and make check run-built-tests=no for
mips-gnu-linux, mips64-linux-gnu, mips64-n32-linux-gnu. I also
ran some basic o32 and n64 cancellation tests on a simulated
mips64 qemu system.
[BZ #12683]
* nptl/libc-cancellation.c (__syscall_cancel): Define and use 7
argument syscall if architecture requires it.
* nptl/pthreadP.h (__syscall_cancel_arch): Likewise.
* sysdeps/unix/sysdep.h (__syscall_cancel, __SYSCALL_CANCEL*): Define
with 7 argument if architecture requires it.
(__SYSCALL_CANCEL7_ARG_DEF): New macro.
(__SYSCALL_CANCEL7_ARG): Likewise.
(__SYSCALL_CANCEL7_ARG7): Likewise.
* sysdeps/unix/sysv/linux/syscall_cancel.c (__syscall_cancel_arch):
Likewise.
* sysdeps/mips/nptl/tls.h (READ_THREAD_POINTER): Check __mips_isa_rev
existance for macro definition.
* sysdeps/unix/sysv/linux/mips/sigcontextinfo.h (ucontext_get_pc):
New function.
* sysdeps/unix/sysv/linux/mips/mips32/syscall_cancel.S: New file.
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
(HAVE_CANCELABLE_SYSCALL_WITH_7_ARGS): Define.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7806615561d4f40f4d53f3375536cfe08fe127e0
commit 7806615561d4f40f4d53f3375536cfe08fe127e0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:03:03 2017 -0200
nptl: sh: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the sh modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function and a
cancellable syscall wrapper.
SH requires an arch-specific syscall_cancel because the
INTERNAL_SYSCALL_NCS adds the required or instruction to workaround
a hardware bug [1]. The implementation were based on on default C
version built with GCC 6.2.1.
Checked against a build and make check run-built-tests=no for
sh4-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/sh/syscall_cancel.S: New file.
* sysdeps/unix/sysv/linux/sh/sigcontextinfo.h (ucontext_get_pc):
New function.
[1] http://documentation.renesas.com/eng/products/mpumcu/tu/tnsh7456ae.pdf
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02badc9d7b0c5379bd46019546ed9d2d8acb6a4a
commit 02badc9d7b0c5379bd46019546ed9d2d8acb6a4a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:02:53 2017 -0200
nptl: nios2: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the nios2 modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function.
The default syscall_cancel.c should be as expected for NIOS2. With
GCC 6.2.1 syscall_cancel.c generates the following code:
---
00000000 <__GI___syscall_cancel_arch>:
0: defffe04 addi sp,sp,-8
4: dd800015 stw r22,0(sp)
8: 002ce03a nextpc r22
c: 02000034 movhi r8,0
10: 42000004 addi r8,r8,0
14: dfc00115 stw ra,4(sp)
18: b22d883a add r22,r22,r8
0000001c <__syscall_cancel_arch_start>:
1c: 20c00017 ldw r3,0(r4)
20: 18c0010c andi r3,r3,4
24: 18000f1e bne r3,zero,64 <__syscall_cancel_arch_end+0x18>
28: 3015883a mov r10,r6
2c: 2805883a mov r2,r5
30: da400517 ldw r9,20(sp)
34: 380b883a mov r5,r7
38: da000417 ldw r8,16(sp)
3c: d9c00317 ldw r7,12(sp)
40: d9800217 ldw r6,8(sp)
44: 5009883a mov r4,r10
48: 003b683a trap 0
0000004c <__syscall_cancel_arch_end>:
4c: 38000126 beq r7,zero,54 <__syscall_cancel_arch_end+0x8>
50: 0085c83a sub r2,zero,r2
54: dfc00117 ldw ra,4(sp)
58: dd800017 ldw r22,0(sp)
5c: dec00204 addi sp,sp,8
60: f800283a ret
64: b0800017 ldw r2,0(r22)
68: 103ee83a callr r2
---
Checked against a build and make check run-built-tests=no for
nios2-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/nios2/sigcontextinfo.h (ucontext_get_pc):
New function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6ed5172ed96b96d6fe99bb1e83f0af8aec6bb97
commit a6ed5172ed96b96d6fe99bb1e83f0af8aec6bb97
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:02:36 2017 -0200
nptl: sparc: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the sparc modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function, cancellable
syscall wrappers, and a fix for pause.
Sparc requires arch-specific syscall_cancel implementation because
INLINE_SYSCALL_NCS uses the __SYSCALL_STRING (defined different
for sparc32 and sparc64) and it issues additional instructions
after the syscall one to check the resulting error code. When used
in the default syscall_cancel.c implementation the label
__syscall_cancel_arch_end is not placed just after the syscall as
expected. Both 32 and 64 bits version were based on default C version
built with GCC 6.1.
Also, different than other architectures, SPARC passes the sigcontext_t
struct pointer as third argument in the signal handler set with
SA_SIGINFO (some info at [1]) for 64 bits and the pt_regs in 32 bits.
From Linux code:
* arch/sparc/kernel/signal_64.c
428 /* 3. signal handler back-trampoline and parameters */
429 regs->u_regs[UREG_FP] = ((unsigned long) sf) - STACK_BIAS;
430 regs->u_regs[UREG_I0] = ksig->sig;
431 regs->u_regs[UREG_I1] = (unsigned long) &sf->info;
432
433 /* The sigcontext is passed in this way because of how it
434 * is defined in GLIBC's /usr/include/bits/sigcontext.h
435 * for sparc64. It includes the 128 bytes of siginfo_t.
436 */
437 regs->u_regs[UREG_I2] = (unsigned long) &sf->info;
* arch/sparc/kernel/signal_32.c:
392 regs->u_regs[UREG_FP] = (unsigned long) sf;
393 regs->u_regs[UREG_I0] = ksig->sig;
394 regs->u_regs[UREG_I1] = (unsigned long) &sf->info;
395 regs->u_regs[UREG_I2] = (unsigned long) &sf->regs;
396
397 regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
398 regs->npc = (regs->pc + 4);
So to access the signal mask in the signal frame, a arch-specific
ucontext_get_mask is defined which obtain the sa_mask from the context.
Checked on a SPARC T5 for sparc64-linux-gnu and sparcv9-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
(ucontext_get_pc): New function.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
(ucontext_get_pc): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/syscall_cancel.S: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscall_cancel.S: Likwise.
* sysdeps/unix/sysv/linux/sparc/sparc64/pause.c: New file.
[1] https://www.spinics.net/lists/sparclinux/msg05037.html
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fbdf0307b3e6b880a5c0effce603f441c1dce7ed
commit fbdf0307b3e6b880a5c0effce603f441c1dce7ed
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:02:17 2017 -0200
nptl: microblaze: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the microblaze modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function.
Microblaze requires an arch specific assembly implementation because
the archicture INTERNAL_SYSCALL_NCS implementation adds a nop after
the brki instruction because the instruction expect a delay branch
slot. I based this implementation on generated assembly using GCC 6.1.
Checked against a build and make check run-built-tests=no for
microblaze-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/microblaze/syscall_cancel.S: New file.
* sysdeps/unix/sysv/linux/microblaze/sigcontextinfo.h
(ucontext_get_pc): New function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=838fce23efc583cb8f016914fc374319b4b85f96
commit 838fce23efc583cb8f016914fc374319b4b85f96
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:02:08 2017 -0200
nptl: m68k: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the m68k modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function
The default syscall_cancel.c should is as expected for m68k with
GCC 6.2.1. It generates the following code for syscall_cancel.os:
---
00000000 <__GI___syscall_cancel_arch>:
0: 4e56 0000 linkw %fp,#0
4: 48e7 3c00 moveml %d2-%d5,%sp@-
00000008 <__syscall_cancel_arch_start>:
8: 206e 0008 moveal %fp@(8),%a0
c: 2010 movel %a0@,%d0
e: 0800 0002 btst #2,%d0
12: 6628 bnes 3c <__syscall_cancel_arch_end+0xa>
14: 206e 0024 moveal %fp@(36),%a0
18: 2a2e 0020 movel %fp@(32),%d5
1c: 282e 001c movel %fp@(28),%d4
20: 262e 0018 movel %fp@(24),%d3
24: 242e 0014 movel %fp@(20),%d2
28: 222e 0010 movel %fp@(16),%d1
2c: 202e 000c movel %fp@(12),%d0
30: 4e40 trap #0
00000032 <__syscall_cancel_arch_end>:
32: 4cee 003c fff0 moveml %fp@(-16),%d2-%d5
38: 4e5e unlk %fp
3a: 4e75 rts
3c: 61ff 0000 0000 bsrl 3e <__syscall_cancel_arch_end+0xc>
---
Checked against a build and make check run-built-tests=no for
m68k-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h (ucontext_get_pc):
New function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6da7532402198c74e7c063ade4a1ea6c6906b82a
commit 6da7532402198c74e7c063ade4a1ea6c6906b82a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:01:58 2017 -0200
nptl: alpha: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the alpha modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function
The default syscall_cancel.c should be fine for alpha and GCC 6.1
generates the following cod for syscall_cancel.os:
---
0000000000000000 <__GI___syscall_cancel_arch>:
0: 00 00 bb 27 ldah gp,0(t12)
4: 00 00 bd 23 lda gp,0(gp)
8: f0 ff de 23 lda sp,-16(sp)
c: 00 04 f1 47 mov a1,v0
10: 00 00 5e b7 stq ra,0(sp)
0000000000000014 <__syscall_cancel_arch_start>:
14: 00 00 30 a0 ldl t0,0(a0)
18: 01 00 e1 43 sextl t0,t0
1c: 01 90 20 44 and t0,0x4,t0
20: 0f 00 20 f4 bne t0,60 <__syscall_cancel_arch_end+0x20>
24: 10 04 f2 47 mov a2,a0
28: 11 04 f3 47 mov a3,a1
2c: 12 04 f4 47 mov a4,a2
30: 10 00 9e a6 ldq a4,16(sp)
34: 13 04 f5 47 mov a5,a3
38: 18 00 be a6 ldq a5,24(sp)
3c: 83 00 00 00 callsys
0000000000000040 <__syscall_cancel_arch_end>:
40: 21 05 e0 43 negq v0,t0
44: 00 00 5e a7 ldq ra,0(sp)
48: c0 04 61 46 cmovne a3,t0,v0
4c: 10 00 de 23 lda sp,16(sp)
50: 01 80 fa 6b ret
54: 00 00 fe 2f unop
58: 1f 04 ff 47 nop
5c: 00 00 fe 2f unop
60: 00 00 7d a7 ldq t12,0(gp)
64: 00 40 5b 6b jsr ra,(t12),68
<__syscall_cancel_arch_end+0x28>
68: 1f 04 ff 47 nop
6c: 00 00 fe 2f unop
---
Checked on alpha-linux-gnu, no regression found.
[BZ #12683]
* sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h (ucontext_get_pc):
New function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=60eb1c51381fda4131058dffbd46f9d512cef59f
commit 60eb1c51381fda4131058dffbd46f9d512cef59f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 16 17:01:44 2017 -0200
nptl: ia64: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the s390 modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function. a workaround
for mismatched sigcontext::sa_flags defiition between kernel and
GLIBC (tracked by BZ#21634), and an arch specific syscall_cancel
implementation.
IA64 requires an arch-specific syscall_cancel implemetantion because
{INLINE,INTERNAL}_SYSCALL is implemented by branching to a gate
DSO (similar to i386) which renders the pointer comparison in
SIGCANCEL handler wrong. This incurs in performance penalty due the
use of a break instruction insteaf of a eds one, however
cancellable syscalls should potentially incur in syscalls blocking.
Checked with a ia64-linux-gnu build with run-tests-built=no.
[BZ #12683]
* sysdeps/unix/sysv/linux/ia64/sigcontextinfo.h (ucontext_get_pc,
ucontext_get_mask): New functions.
* sysdeps/unix/sysv/linux/ia64/syscall_cancel.S: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee923bad6397f393d8ae8d38b1ea95c8df0dcf74
commit ee923bad6397f393d8ae8d38b1ea95c8df0dcf74
Author: Adhemerval Zanella <adhemerval.zanella@linaro.com>
Date: Wed Aug 12 10:51:38 2015 -0300
nptl: s390: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the s390 modifications required for the BZ#12683 fix.
It basically adds the required ucontext_get_pc function.
The built cancelable syscall wrapper for s390 using GCC 7.2.1 and
default configuration flags shows the wrappers on expected corrected
places:
---
__GI___syscall_cancel_arch:
.LFB39:
.cfi_startproc
stm %r6,%r15,24(%r15)
.cfi_offset 6, -72
.cfi_offset 7, -68
.cfi_offset 8, -64
.cfi_offset 9, -60
.cfi_offset 10, -56
.cfi_offset 11, -52
.cfi_offset 12, -48
.cfi_offset 13, -44
.cfi_offset 14, -40
.cfi_offset 15, -36
ahi %r15,-96
.cfi_def_cfa_offset 192
.global __syscall_cancel_arch_start
.type __syscall_cancel_arch_start,@function
__syscall_cancel_arch_start:
l %r0,0(%r2)
tml %r0,4
jne .L5
lr %r1,%r3
lr %r2,%r4
lr %r3,%r5
lr %r4,%r6
l %r5,192(%r15)
l %r6,196(%r15)
l %r7,200(%r15)
svc 0
.global __syscall_cancel_arch_end
.type __syscall_cancel_arch_end,@function
__syscall_cancel_arch_end:
l %r4,152(%r15)
lm %r6,%r15,120(%r15)
.cfi_remember_state
.cfi_restore 15
.cfi_restore 14
.cfi_restore 13
.cfi_restore 12
.cfi_restore 11
.cfi_restore 10
.cfi_restore 9
.cfi_restore 8
.cfi_restore 7
.cfi_restore 6
.cfi_def_cfa_offset 96
br %r4
.L5:
.cfi_restore_state
brasl %r14,__syscall_do_cancel
.cfi_endproc
---
The s390x version also shows similar placement:
---
__GI___syscall_cancel_arch:
.cfi_startproc
stmg %r6,%r15,48(%r15)
.cfi_offset 6, -112
.cfi_offset 7, -104
.cfi_offset 8, -96
.cfi_offset 9, -88
.cfi_offset 10, -80
.cfi_offset 11, -72
.cfi_offset 12, -64
.cfi_offset 13, -56
.cfi_offset 14, -48
.cfi_offset 15, -40
aghi %r15,-160
.cfi_def_cfa_offset 320
.global __syscall_cancel_arch_start
.type __syscall_cancel_arch_start,@function
__syscall_cancel_arch_start:
l %r0,0(%r2)
tmll %r0,4
jne .L5
lgr %r1,%r3
lgr %r2,%r4
lgr %r3,%r5
lgr %r4,%r6
lg %r5,320(%r15)
lg %r6,328(%r15)
lg %r7,336(%r15)
svc 0
.global __syscall_cancel_arch_end
.type __syscall_cancel_arch_end,@function
__syscall_cancel_arch_end:
lg %r4,272(%r15)
lmg %r6,%r15,208(%r15)
.cfi_remember_state
.cfi_restore 15
.cfi_restore 14
.cfi_restore 13
.cfi_restore 12
.cfi_restore 11
.cfi_restore 10
.cfi_restore 9
.cfi_restore 8
.cfi_restore 7
.cfi_restore 6
.cfi_def_cfa_offset 160
br %r4
.L5:
.cfi_restore_state
brasl %r14,__syscall_do_cancel
.cfi_endproc
---
Checked on s390-linux-gnu and s390x-linux-gnu build with
run-tests-built=no.
[BZ #12683]
* sysdeps/unix/sysv/linux/s390/sigcontextinfo.h (ucontext_get_pc):
New function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=683a8f59a9473e0ff6d6a3df26c0294948ddc8d8
commit 683a8f59a9473e0ff6d6a3df26c0294948ddc8d8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri May 8 17:12:31 2015 -0300
nptl: arm: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the ARM modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function and adjust
the generic syscall_cancel build.
For ARM we need to build syscall_cancel in ARM mode (-marm) to avoid
INTERNAL_SYSCALL to issue the syscall through the helper gate
__libc_do_syscall (which invalidates the mark checks on SIGCANCEL
handler).
Checked on arm-linux-gnueabihf.
[BZ #12683]
* sysdeps/unix/sysv/linux/arm/Makefile (CFLAGS-syscall_cancel.c): New
rule.
* sysdeps/unix/sysv/linux/arm/sigcontextinfo.h (ucontext_get_pc):
New function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0151ef6406a6e32c4601929bcbd3ea2b136f223b
commit 0151ef6406a6e32c4601929bcbd3ea2b136f223b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed May 6 17:51:29 2015 -0300
nptl: aarch64: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the aarch64 modifications required for the BZ#12683.
It basically adds the required ucontext_get_pc function.
The built cancelable syscall wrapper for aarch64 using GCC 7.2.1 and
default configuration flags shows an expected optimized version:
---
__GI___syscall_cancel_arch:
.LFB38:
.cfi_startproc
.global __syscall_cancel_arch_start
.type __syscall_cancel_arch_start,@function
__syscall_cancel_arch_start:
ldr w9, [x0]
tbnz x9, 2, .L7
mov x8, x1
mov x0, x2
mov x1, x3
mov x2, x4
mov x3, x5
mov x4, x6
mov x5, x7
svc 0 // syscall nr
.global __syscall_cancel_arch_end
.type __syscall_cancel_arch_end,@function
__syscall_cancel_arch_end:
ret
---
A similar code is obtained with GCC 5.3.1, so I see to need to provide
an arch-specific syscall_cancel.S for aarch64.
Checked on aarch64-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h (PSEUDO): Redefine
to call __syscall_cancel function for cancellable syscalls.
(__pthread_get_ip): Add implementation.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (SYSCALL_CANCEL_ERROR): Add
definition.
(SYSCALL_CANCEL_ERRNO): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=996cfcbe41d1a7561a791ab20de2dab89bde529d
commit 996cfcbe41d1a7561a791ab20de2dab89bde529d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Sep 18 18:14:19 2015 -0300
nptl: powerpc: Fix Race conditions in pthread cancellation (BZ#12683)
This patches adds the powerpc64 modification required for the BZ#12683.
It basically adds the required __pthread_get_pc function and a arch
specific syscall_cancel implementation.
The powerpc requires an arch-specific syscall_cancel because
INTERNAL_SYSCALL_NCS adds a mfcr just after the sc instruction to get
the CR0.SO bit information from kernel (which signals the error
return status). So for cancelled syscalls with side effects,
__pthread_get_pc will point to mcfr and thus invalidating the checks
on sigcancel_handler.
Checked on powerpc64le-linux-gnu and powerpc-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h (ucontext_get_pc):
New function.
* sysdeps/unix/sysv/linux/powerpc/syscall_cancel.S: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2258ba74573f9265fea31606d2d1352514e9deb0
commit 2258ba74573f9265fea31606d2d1352514e9deb0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon May 4 16:30:13 2015 -0300
nptl: i386: Fix Race conditions in pthread cancellation (BZ#12683)
This patch adds the i386 modifications required for the BZ#12683.
It basically provides the required ucontext_get_pc symbol, add the
cancelable syscall wrapper and fix a thread atomic update macro.
On i386 an arch-specific cancellation implementation is required
because depending of the glibc configuration and underlying kernel
the syscall may be done using a vDSO symbol (__kernel_vsyscall).
By using the vDSO symbol the resulting PC value for an interrupted
syscall points to an adress outside the expected markers in
__syscall_cancel_arch. It has been discussed in LKML [1] on how
kernel could help userland to accomplish it, but afaik discussion
was stalled.
Also, since glibc supports i486, the old 'int 0x80' should be used
in the syscall wrapper. One option could make minimum default chip
to pentium II (which implements sysenter) or add a runtime check
on syscall_cancel.S to use 'int 0x80' or sysenter.
Checked on i686-linux-gnu.
[BZ #12683]
* sysdeps/i386/nptl/tls.h (THREAD_ATOMIC_CMPXCHG_VAL,
THREAD_ATOMIC_BIT_SET): Remove macro.
* sysdeps/unix/sysv/linux/i386/Makefile
[$(subdir) = elf] (sysdep-rtld_routines): Add libc-do-syscall object.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_wait_tid): Use
cancellable futex syscall macro.
* sysdeps/unix/sysv/linux/i386/syscall_cancel.S: New file.
* sysdeps/unix/sysv/linux/i386/sigcontextinfo.h (ucontext_get_pc):
New function.
[1] https://lkml.org/lkml/2016/3/8/1105
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f43adba514ff665338e6da714551d8c3f6b158ce
commit f43adba514ff665338e6da714551d8c3f6b158ce
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Sat May 9 14:20:26 2015 -0300
nptl: x32: Fix Race conditions in pthread cancellation (BZ#12683)
This patches adds the x32 modification required for the BZ#12683.
It basically adjust the syscall size used to pass the arguments to
the syscall cancel wrappers by zero extending pointers type while
preserting values for default types (such as off_t).
Checked on x86_64-linux-gnu-x32.
[BZ #12683]
* sysdeps/unix/sysv/linux/x86_64/x32/sysdep.h (__syscall_arg_t):
Define type for x32.
(__SSC): Add platform specific macro.
* include/libc-pointer-arith.h (__integer_if_pointer_type_sub,
__integer_if_pointer_type, cast_to_integer): Parametrize integer type
cast.
(cast_to_uinteger): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=299d22ce112252b2a950e4395344dcf3791d73a9
commit 299d22ce112252b2a950e4395344dcf3791d73a9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 29 09:48:34 2014 -0300
nptl: x86_64: Fix Race conditions in pthread cancellation (BZ#12683)
This patches adds the x86_64 modification required for the BZ#12683.
It basically provide the required ucontext_get_pc symbol and remove
the arch-specific libc-cancellation implementations.
Checked on x86_64-linux-gnu.
[BZ #12683]
* sysdeps/unix/sysv/linux/x86_64/cancellation.S: Remove file.
* sysdeps/unix/sysv/linux/x86_64/libc-cancellation.S: Remove file.
* sysdeps/unix/sysv/linux/x86_64/librt-cancellation.S: Remove file.
* sysdeps/unix/sysv/linux/x86_64/sigcontextinfo.h (ucontext_get_pc):
New function.
* sysdeps/x86_64/nptl/tcb-offsets.sym (TCB_CANCELING_BITMASK):
Remove.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6fe99352106cf8f244418f3708b3d5928e82e831
commit 6fe99352106cf8f244418f3708b3d5928e82e831
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Sep 18 18:26:35 2015 -0300
nptl: Fix Race conditions in pthread cancellation (BZ#12683)
This patches fixes some race conditions in NPTL cancellation code by
redefining how cancellable syscalls are defined and handled. Current
approach is to enable asynchronous cancellation prior to making the syscall
and restore the previous cancellation type once the syscall returns.
As decribed in BZ#12683, this approach shows 2 important problems:
1. Cancellation can act after the syscall has returned from kernel, but
before userspace saves the return value. It might result in a
resource
leak if the syscall allocated a resource or a side effect (partial
read/write), and there is no way to program handle it with
cancellation
handlers.
2. If a signal is handled while the thread is blocked at a cancellable
syscall, the entire signal handler runs with asynchronous cancellation
enabled. This can lead to issues if the signal handler call functions
which are async-signal-safe but not async-cancel-safe.
For cancellation to work correctly, there are 5 points at which the
cancellation signal could arrive:
1. Before the final "testcancel" and before the syscall is made.
2. Between the "testcancel" and the syscall.
3. While the syscall is blocked and no side effects have yet taken place.
4. While the syscall is blocked but with some side effects already having
taken place (e.g. a partial read or write).
5. After the syscall has returned.
And GLIBC wants to act on cancellation in cases 1, 2, and 3 but not in case
4 or 5. The proposed solution follows:
* Handling case 1 is trivial: do a conditional branch based on whether
the
thread has received a cancellation request;
* Case 2 can be caught by the signal handler determining that the saved
program counter (from the ucontext_t) is in some address range
beginning
just before the "testcancel" and ending with the syscall instruction.
* In this case, except for certain syscalls that ALWAYS fail with EINTR
even for non-interrupting signals, the kernel will reset the program
counter to point at the syscall instruction during signal handling, so
that the syscall is restarted when the signal handler returns. So, from
the signal handler's standpoint, this looks the same as case 2, and
thus
it's taken care of.
* In this case, the kernel cannot restart the syscall; when it's
interrupted by a signal, the kernel must cause the syscall to return
with whatever partial result it obtained (e.g. partial read or write).
* In this case, the saved program counter points just after the syscall
instruction, so the signal handler won't act on cancellation.
This one is equal to 4. since the program counter is past the syscall
instruction already.
Another case that needs handling is syscalls that fail with EINTR even
when the signal handler is non-interrupting. In this case, the syscall
wrapper code can just check the cancellation flag when the errno result
is EINTR, and act on cancellation if it's set.
The proposed GLIBC adjustments are:
1. Remove the enable_asynccancel/disable_asynccancel function usage in
syscall definition and instead make them call a common symbol that
will
check if cancellation is enabled (__syscall_cancel at
nptl/libc-cancellation.c), call the arch-specific cancellable
entry-point (__syscall_cancel_arch) and cancel the thread when
required.
2. Provide a arch-specific symbol that contains global markers. These
markers will be used in SIGCANCEL handler to check if the interruption
has been called in a valid syscall and if the syscalls has been
completed or not.
A default version is provided
(sysdeps/unix/sysv/linux/syscall_cancel.c),
however the markers may not be set on correct expected places depeding
of how INTERNAL_SYSCALL_NCS is implemented by the underlying
architecture.
In this case arch-specific implementation should be provided.
3. Rewrite SIGCANCEL asynchronous handler to check for both cancelling
type
and if current IP from signal handler falls between the global markes
and act accordingly (sigcancel_handler at nptl/nptl-init.c).
4. Adjust nptl/pthread_cancel.c to send an signal instead of acting
directly. This avoid synchronization issues when updating the
cancellation status and also focus the logic on signal handler and
cancellation syscall code.
5. Adjust pthread code to replace CANCEL_ASYNC/CANCEL_RESET calls to
appropriated cancelable futex syscalls.
6. Adjust libc code to replace LIBC_CANCEL_ASYNC/LIBC_CANCEL_RESET to
appropriated cancelable syscalls.
7. Adjust 'lowlevellock-futex.h' arch-specific implementations to provide
cancelable futex calls (used in libpthread code).
This patch adds the proposed changes to NPTL. The code leaves all the
ports
broken without further patches in the list.
[BZ #12683]
* manual/llio.texi: Adjust comments regarding
pthread_enable_asynccancel and pthread_disable_asynccancel.
* nptl/Makefile (routines): Add syscall_cancel object.
(libpthread-routines): Add pthread_kill_internal and remove
cancellation object.
(CFLAGS-cancellation.c): Remove rule.
(CFLAGS-syscall_cancel.c): New rule.
(tests): Add tst-cancel28.
* nptl/Versions [GLIBC_PRIVATE] (libc): Add __syscall_cancel,
__syscall_cancel_arch_start, and __syscall_cancel_arch_end.
* nptl/cancellation.c: Remove file.
* sysdeps/nptl/librt-cancellation.c: Likewise.
* nptl/descr.h (CANCELING_BIT, CANCELING_BITMASK): Remove define.
(CANCELED_BIT, EXITING_BIT, TERMINATED_BIT, SETXID_BIT,
CANCEL_RESTMASK): Adjust value with CANCELED_BIT removal.
* nptl/libc-cancellation.c (__syscall_cancel): New symbol: symbol
brigde for non-cancellable syscalls.
(__syscall_do_cancel): New symbol.
* nptl/nptl-init.c (sigcancel_handler): Rewrite function to avoid race
conditions.
(__pthread_initialize_minimal_internal): Add SA_RESTART to SIGCANCEL
handler.
(UCONTEXT_SIGMASK): New macro.
* nptl/pthreadP.h (__do_cancel): Rewrite to both disable asynchronous
cancellation and setting the thread as cancelled.
(__do_cancel_with_result): New macro.
(CANCEL_ASYNC, CANCEL_RESET, LIBC_CANCEL_ASYNC, LIBC_CANCEL_RESET,
LIBC_CANCEL_HANDLED): Remove macros.
(__syscall_cancel_arch, __syscall_do_cancel, __pthread_kill_internal):
New prototypes.
(__pthread_enable_asynccancel, __pthread_disable_asynccancel,
__libc_enable_asynccancel, __libc_disable_asynccancel,
__librt_enable_asynccancel, __librt_disable_asynccancel): Remove
prototypes.
* nptl/pthread_cancel.c (pthread_cancel): Rewrite to just set
CANCELLED_BIT and call __pthread_kill.
* nptl/pthread_create.c (START_THREAD_DEFN): Likewise.
* nptl/pthread_exit.c (__pthread_exit): Call __do_cancel_with_result.
* nptl/pthread_join_common.c (__pthread_timedjoin_ex): Likewise.
* nptl/pthread_kill.c (__pthread_kill): Check internal signals with
__is_internal_signal, tail call __pthread_kill_internal, and remove
stub_warning.
* nptl/pthread_kill_internal.c: New file.
* nptl/tst-cancel28.c: Likewise.
* rt/Makefile [CFLAGS-librt-cancellation.c]: Remove rule.
* support/temp_file.c (support_create_temp_fifo): New function.
* support/temp_file.h (support_create_temp_fifo): New prototype.
* sysdeps/generic/sigcontextinfo.h (ucontext_get_pc): Likewise.
* sysdeps/generic/sysdep-cancel.h (LIBC_CANCEL_ASYNC,
LIBC_CANCEL_RESET): Remove define.
* sysdeps/htl/pthreadP.h (__pthread_kill_internal): New prototype.
* sysdeps/nptl/Makefile [$(subdir) = rt] (librt-sysdep_routines):
Remove librt-cancellation object.
[$(subdir) = rt] (CFLAGS-librt-cancellation.c): Remove rule.
* nptl/lll_timedwait_tid.c (__lll_timedwait_tid): Use cancellable
futex operation.
* sysdeps/unix/sysdep.h (SYSCALL_CANCEL): Rewrite to call
__syscall_cancel.
(INTERNAL_SYSCALL_NCS_CALL, __INTERNAL_SYSCALL_NCS*,
__SYSCALL_CANCEL*):
New macros.
* sysdeps/unix/sysv/linux/futex-internal.h (fuex_wait_cancel,
futex_reltimed_wait_cancelable, futex_abstimed_wait_cancelable): Use
cancelable futex wrapper.
* sysdeps/unix/sysv/linux/lowlevellock-futex.h (lll_futex_syscall_cp,
lll_futex_wait_cancel, lll_futex_timed_wait_cancel,
lll_futex_timed_wait_bitset_cancel): New macros.
* sysdeps/unix/sysv/linux/pthread_kill_internal.c: New file.
* sysdeps/unix/sysv/linux/socketcall.h (SOCKETCALL): Use __SSC macros.
(SOCKETCALL_CANCEL): Use SYSCALL_CANCEL macros.
(__SOCKETCALL_CANCEL*): New macros.
* sysdeps/unix/sysv/linux/syscall_cancel.c: New file.
* sysdeps/unix/sysv/linux/sysdep.h (SYSCALL_CANCEL_RET): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=590b6e0aa785db2164870707244d4ae16a711277
commit 590b6e0aa785db2164870707244d4ae16a711277
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu May 10 17:24:56 2018 -0300
nptl: Cleanup cancellation macros
This patch wraps all uses of *_{enable,disable}_asynccancel and
and *_CANCEL_{ASYNC,RESET} in either already provided macros
(lll_futex_timed_wait_cancel) or creates new ones if the
functionality is not provided (SYSCALL_CANCEL_NCS, lll_futex_wait_cancel,
and lll_futex_timed_wait_cancel).
Also for some generic implementations, the direct call of the macros
are removed since the underlying symbols are suppose to provide
cancellation support.
This is a priliminary patch intended to simplify the work required
for BZ#12683 fix. It is a refactor change, no semantic changes are
expected.
Checked on x86_64-linux-gnu and i686-linux-gnu.
* nptl/pthread_join_common.c (__pthread_timedjoin_ex): Use
lll_wait_tid with timeout.
* nptl/sem_wait.c (__old_sem_wait): Use lll_futex_wait_cancel.
* sysdeps/nptl/aio_misc.h (AIO_MISC_WAIT): Use
futex_reltimed_wait_cancelable for cancelabla mode.
* sysdeps/nptl/gai_misc.h (GAI_MISC_WAIT): Likewise.
* sysdeps/posix/open64.c (__libc_open64): Do not call cancelation
macros.
* sysdeps/posix/sigwait.c (__sigwait): Likewise.
* sysdeps/posix/waitid.c (__sigwait): Likewise.
* sysdeps/unix/sysdep.h (__SYSCALL_CANCEL_CALL,
SYSCALL_CANCEL_NCS): New macro.
* sysdeps/nptl/lowlevellock.h (lll_wait_tid): Add timeout argument.
(lll_timedwait_tid): Remove macro.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_wait_tid):
Likewise.
(lll_timedwait_tid): Likewise.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h (lll_wait_tid):
Likewise.
(lll_timedwait_tid): Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (lll_wait_tid):
Likewise.
(lll_timedwait_tid): Likewise.
* sysdeps/unix/sysv/linux/clock_nanosleep.c (__clock_nanosleep):
Use SYSCALL_CANCEL_NCS.
* sysdeps/unix/sysv/linux/futex-internal.h
(futex_reltimed_wait_cancelable): Use LIBC_CANCEL_{ASYNC,RESET}
instead of __pthread_{enable,disable}_asynccancel.
* sysdeps/unix/sysv/linux/lowlevellock-futex.h
(lll_futex_wait_cancel): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=323ab50e88231adaf93d3bdf42b15612f2795ce9
commit 323ab50e88231adaf93d3bdf42b15612f2795ce9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed May 9 10:39:49 2018 -0300
i386: Remove bogus THREAD_ATOMIC_* macros
The x86 defines optimized THREAD_ATOMIC_* macros where reference always
the current thread instead of the one indicated by input 'descr' argument.
It work as long the input is the self thread pointer, however it generates
wrong code is the semantic is to set a bit atomicialy from another thread.
This is not an issue for current GLIBC usage, however the new cancellation
code expects that some synchronization code to atomically set bits from
different threads.
If some usage indeed proves to be a hotspot we can add an extra macro
with a more descriptive name (THREAD_ATOMIC_BIT_SET_SELF for instance)
where i386 might optimize it.
Checked on i686-linux-gnu.
* sysdeps/i686/nptl/tls.h (THREAD_ATOMIC_CMPXCHG_VAL,
THREAD_ATOMIC_AND, THREAD_ATOMIC_BIT_SET): Remove macros.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b6838cd772c01dca2cf49217d4af8bcfdbe8eeb8
commit b6838cd772c01dca2cf49217d4af8bcfdbe8eeb8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed May 9 10:32:25 2018 -0300
x86: Remove wrong THREAD_ATOMIC_* macros
The x86 defines optimized THREAD_ATOMIC_* macros where reference always
the current thread instead of the one indicated by input 'descr' argument.
It work as long the input is the self thread pointer, however it generates
wrong code is the semantic is to set a bit atomicialy from another thread.
This is not an issue for current GLIBC usage, however the new cancellation
code expects that some synchronization code to atomically set bits from
different threads.
The generic code generates an additional load to reference to TLS segment,
for instance the code:
THREAD_ATOMIC_BIT_SET (THREAD_SELF, cancelhandling, CANCELED_BIT);
Compiles to:
lock;orl $4, %fs:776
Where with patch changes it now compiles to:
mov %fs:16,%rax
lock;orl $4, 776(%rax)
If some usage indeed proves to be a hotspot we can add an extra macro
with a more descriptive name (THREAD_ATOMIC_BIT_SET_SELF for instance)
where x86_64 might optimize it.
Checked on x86_64-linux-gnu.
* sysdeps/x86_64/nptl/tls.h (THREAD_ATOMIC_CMPXCHG_VAL,
THREAD_ATOMIC_AND, THREAD_ATOMIC_BIT_SET): Remove macros.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=42794ba6346307769c5836e51c0b85b988b00732
commit 42794ba6346307769c5836e51c0b85b988b00732
Author: Adhemerval Zanella <adhemerval.zanella@linaro.com>
Date: Mon Sep 21 15:55:58 2015 -0700
nptl: Fix testcases for new pthread cancellation mechanism
With upcoming fix for BZ#12683, pthread cancellation does not act for:
1. If syscall is blocked but with some side effects already having
taken place (e.g. a partial read or write).
2. After the syscall has returned.
The main change is due the fact programs need to act in syscalls with
side-effects (for instance, to avoid leak of allocated resources or
handle partial read/write).
This patch changes the NPTL testcase that assumes the old behavior and
also remove the tst-cancel-wrappers.sh test (which checks for symbols
that will not exist anymore).
It also changes how to call the read syscall on tst-backtrace{5,6}
to use syscall instead of read cancelable syscall to avoid need to
handle the cancelable bridge function calls.
Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
aarch64-linux-gnu, arm-linux-gnueabihf, powerpc64le-linux-gnu,
powerpc-linux-gnu, sparcv9-linux-gnu, and sparc64-linux-gnu.
* debug/tst-backtrace5.c (handle_signal): Check for syscall
instead of read.
(fn): Issue the read syscall instead of call the cancellable
syscall.
* nptl/tst-cancel4.c (tf_write): Handle cancelled syscall with
side-effects.
(tf_send): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=00278aa8a3fffa4cb1d9a7b882b84e512aa09ae9
commit 00278aa8a3fffa4cb1d9a7b882b84e512aa09ae9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue May 8 16:28:18 2018 -0300
nptl: Remove tst-cancel-wrappers test and related macros
With upcoming BZ#12683 fix, syscall cancellation is not more handled
by {libc,pthread,librt}_{enable,disable}_asynccancel symbols. This renders
both LIBC_CANCEL_HANDLED and empty declaration and tst-cancel-wrappers.sh
unrequired. This patch removes both the macro and the nptl test.
Checked on x86_64-linux-gnu.
* io/creat.c (LIBC_CANCEL_HANDLED): Remove macro.
* io/ppoll.c (LIBC_CANCEL_HANDLED): Likewise.
* misc/pselect.c (LIBC_CANCEL_HANDLED): Likewise.
* nptl/pthreadP.h (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/generic/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/posix/pause.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/posix/sigpause.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/creat.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/creat64.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/sigwait.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/sigwaitinfo.c (LIBC_CANCEL_HANDLED):
Likewise.
* nptl/Makefile [$(run-built-tests) = yes] (tests-special): Remove
tst-cancel-wrappers.sh.
(generated): Remove tst-cancel-wrappers.out.
(tst-cancel-wrappers.out): Remove rule.
* nptl/tst-cancel-wrappers.sh: Remove file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6ed8a26a2b63f28721c4adfca00de8da83238ff
commit d6ed8a26a2b63f28721c4adfca00de8da83238ff
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Feb 26 17:52:02 2018 -0300
powerpc: Add CFI information on indirect syscall
This patch the required CFI information on powerpc indirect syscall
so backtrace works correctly on signal handler.
Checked on powerpc-linux-gnu and powerpc64le-linux-gnu.
* sysdeps/unix/sysv/linux/powerpc/syscall.S (syscall): Add CFI
information.
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From: "tuliom at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23180] New: Changes to math/bits/*.h are ignored by other directories
Date: Mon, 14 May 2018 20:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23180
Bug ID: 23180
Summary: Changes to math/bits/*.h are ignored by other
directories
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: tuliom at linux dot ibm.com
CC: carlos at redhat dot com
Target Milestone: ---
When building files from iconv, the headers from math/bits/*.h are ignored and
the system headers are used instead.
There are no references to the math source directory in the compiler call:
gcc gconv_conf.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef
-Wwrite-strings -fmerge-all-constants -frounding-math -fstack-protector-all -g3
-mcpu=power8 -Wstrict-prototypes -Wold-style-definition -fno-math-errno
-mabi=ieeelongdouble -Wno-psabi -fpic -DGCONV_PATH='"/usr/lib64/gconv"'
-ftls-model=initial-exec -I../include -I/home/tuliom/tmp/glibc-build/iconv
-I/home/tuliom/tmp/glibc-build
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64/le/fpu
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64/le
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/unix/sysv/linux/powerpc
-I../sysdeps/powerpc/nptl -I../sysdeps/unix/sysv/linux/include
-I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread
-I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix/powerpc -I../sysdeps/unix -I../sysdeps/posix
-I../sysdeps/powerpc/powerpc64/le/power8/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/le/power7/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/le/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/le/power8/fpu
-I../sysdeps/powerpc/powerpc64/power8/fpu
-I../sysdeps/powerpc/powerpc64/le/power7/fpu
-I../sysdeps/powerpc/powerpc64/power7/fpu
-I../sysdeps/powerpc/powerpc64/power6/fpu
-I../sysdeps/powerpc/powerpc64/power5+/fpu
-I../sysdeps/powerpc/powerpc64/power5/fpu
-I../sysdeps/powerpc/powerpc64/le/fpu -I../sysdeps/powerpc/powerpc64/fpu
-I../sysdeps/powerpc/powerpc64/le/power8/multiarch
-I../sysdeps/powerpc/powerpc64/le/power7/multiarch
-I../sysdeps/powerpc/powerpc64/le/multiarch
-I../sysdeps/powerpc/powerpc64/multiarch
-I../sysdeps/powerpc/powerpc64/le/power8 -I../sysdeps/powerpc/powerpc64/power8
-I../sysdeps/powerpc/powerpc64/le/power7
-I../sysdeps/powerpc/powerpc64/power7 -I../sysdeps/powerpc/powerpc64/power6
-I../sysdeps/powerpc/powerpc64/power5+ -I../sysdeps/powerpc/power5+/fpu
-I../sysdeps/powerpc/power5+ -I../sysdeps/powerpc/powerpc64/power5
-I../sysdeps/powerpc/powerpc64/power4 -I../sysdeps/powerpc/power4/fpu
-I../sysdeps/powerpc/power4 -I../sysdeps/powerpc/powerpc64/le
-I../sysdeps/powerpc/powerpc64 -I../sysdeps/wordsize-64
-I../sysdeps/powerpc/fpu -I../sysdeps/powerpc
-I../sysdeps/ieee754/ldbl-128ibm-compat
-I../sysdeps/ieee754/ldbl-128ibm/include -I../sysdeps/ieee754/ldbl-128ibm
-I../sysdeps/ieee754/ldbl-opt -I../sysdeps/ieee754/dbl-64
-I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754/float128
-I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I.
-D_LIBC_REENTRANT -include /home/tuliom/tmp/glibc-build/libc-modules.h
-DMODULE_NAME=libc -include ../include/libc-symbols.h -DPIC -DSHARED
-DTOP_NAMESPACE=glibc -o /home/tuliom/tmp/glibc-build/iconv/gconv_conf.os -MD
-MP -MF /home/tuliom/tmp/glibc-build/iconv/gconv_conf.os.dt -MT
/home/tuliom/tmp/glibc-build/iconv/gconv_conf.os
Although I've seen this happening with iconv/, the same problem is probably
affecting all other bits/ and sys/ directories that are not listed in
$(sysnames).
The only exception is libio/, which is being listed in $(libio-include).
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>From glibc-bugs-return-41888-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 14 21:36:06 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23180] Changes to math/bits/*.h are ignored by other directories
Date: Mon, 14 May 2018 21:36:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
It is always the case in glibc that if an installed header in subdir1 is
to be used by code in subdir2, there must be a wrapper include in the
top-level include/ directory.
Even if it's not used by another subdirectory, a wrapper is needed if it's
a standard header used by a conform/ test - or, I suppose, if it's
included by such a header in one of the standard conformance modes.
Maybe we need to enforce that by having a Makefile rule that runs in each
directory and tests each header that directory installs, that doesn't come
from sysdeps, for having an install/ wrapper.
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>From glibc-bugs-return-41889-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 00:08:39 2018
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Subject: [Bug argparse/23157] getopt fails when setting optind=1 under some circumstances
Date: Tue, 15 May 2018 00:08:00 -0000
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--- Comment #2 from Martin Sandiford <ms at mcdev dot com.au> ---
(In reply to Adhemerval Zanella from comment #1)
> So if you set 'optint' to 0 in the example provided it will pass on GLIBC.
> Unfortunately this is not documented on the manual, only on man-pages [3]
> (on NOTES).
Sure, that's understood.
However, the NOTES section from the referenced Linux man page states:
> NOTES
> A program that scans multiple argument vectors, or rescans the same
> vector more than once, and wants to make use of GNU extensions such
> as '+' and '-' at the start of optstring, or changes the value of
> POSIXLY_CORRECT between scans, must reinitialize getopt() by
> resetting optind to 0, rather than the traditional value of 1.
> (Resetting to 0 forces the invocation of an internal initialization
> routine that rechecks POSIXLY_CORRECT and checks for GNU extensions
> in optstring.)
Which suggests that setting optind to 1 should operate "correctly" when a
program neither uses GNU extensions nor changes POSIXLY_CORRECT.
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>From glibc-bugs-return-41890-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 04:03:35 2018
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From: "love4boobies at yahoo dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/14092] Support C11 threads
Date: Tue, 15 May 2018 04:03:00 -0000
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Bogdan Barbu <love4boobies at yahoo dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |love4boobies at yahoo dot com
--- Comment #4 from Bogdan Barbu <love4boobies at yahoo dot com> ---
The original author claimed to have been frustrated by the lack of interest
from the developers. Having resolved all the issues pointing out and pinging
the mailing list a bunch he said he had enough.
Since then, Adhemerval revised the patch set numerous times but things seem to
have eventually gone in the same direction.
We've had numerous projects switch over to Musl (which supports C11 threads),
using Cygwin whenever neccessary. I think it is safe to assume that glibc will
not support this feature, which has been standardized almost a decade ago.
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>From glibc-bugs-return-41891-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 06:43:33 2018
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Subject: [Bug network/23166] Stray exported sunrpc objects even if Sun RPC is disabled
Date: Tue, 15 May 2018 06:43:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.27/master has been updated
via 0cd4a5e87f6885a2f15fe8e7eb7378d010cdb606 (commit)
from 8af3185d3e0c4293fdd7251b0db4e4eefe92d08a (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0cd4a5e87f6885a2f15fe8e7eb7378d010cdb606
commit 0cd4a5e87f6885a2f15fe8e7eb7378d010cdb606
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
NEWS | 1 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 ++++
sunrpc/rpc_common.c | 15 +++++++++++----
sunrpc/svcauth_des.c | 13 +++++++++----
6 files changed, 38 insertions(+), 8 deletions(-)
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>From glibc-bugs-return-41892-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 11:30:41 2018
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Subject: [Bug nptl/23183] New: tst-robustpi4 test failure on s390x
Date: Tue, 15 May 2018 11:30:00 -0000
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Bug ID: 23183
Summary: tst-robustpi4 test failure on s390x
Product: glibc
Version: 2.27
Status: NEW
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Priority: P2
Component: nptl
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CC: drepper.fsp at gmail dot com
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Target: s390x
Flags: security-
tst-robustpi4: ../nptl/pthread_mutex_lock.c:425: __pthread_mutex_lock_full:
Assertion `INTERNAL_SYSCALL_ERRNO (e, __err) != ESRCH || !robust' failed.
glibc is lightly patched, based on 0cd4a5e87f6885a2f15fe8e7eb7378d010cdb606 off
the release/2.27/master branch.
I believe the build uses effective flags of -march=zEC12 -mtune=z13
-fasynchronous-unwind-tables -fstack-clash-protection, plus
--enable-stack-protector=strong --enable-tunables --enable-systemtap configure
flags for glibc.
Seen with kernel 4.10.0-13.el7.s390x. This could be a kernel bug. I will try
to request a kernel update to something that is actually supported.
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>From glibc-bugs-return-41893-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 11:31:45 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23076] Iconv translitterate with profile
Date: Tue, 15 May 2018 11:31:00 -0000
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Laurent Lyaudet from comment #11)
> I don't know exactly what you mean by using a custom charmap:
> a)- is it modifying the source code of iconv ? (In libiconv I saw that
> charmaps are compiled).
> b)- or is there some file that defines the charmap that is read from at
> execution time ?
The charmap is another input file for localedef.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug argparse/23157] getopt fails when setting optind=1 under some circumstances
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Martin Sandiford from comment #2)
> (In reply to Adhemerval Zanella from comment #1)
> > So if you set 'optint' to 0 in the example provided it will pass on GLIBC.
> > Unfortunately this is not documented on the manual, only on man-pages [3]
> > (on NOTES).
>
> Sure, that's understood.
>
> However, the NOTES section from the referenced Linux man page states:
>
> > NOTES
> > A program that scans multiple argument vectors, or rescans the same
> > vector more than once, and wants to make use of GNU extensions such
> > as '+' and '-' at the start of optstring, or changes the value of
> > POSIXLY_CORRECT between scans, must reinitialize getopt() by
> > resetting optind to 0, rather than the traditional value of 1.
> > (Resetting to 0 forces the invocation of an internal initialization
> > routine that rechecks POSIXLY_CORRECT and checks for GNU extensions
> > in optstring.)
>
> Which suggests that setting optind to 1 should operate "correctly" when a
> program neither uses GNU extensions nor changes POSIXLY_CORRECT.
Man-pages is the not the canonical glibc documentation, that's why I said
unfortunately this is not documented on the manual and I think we should make
it clear.
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>From glibc-bugs-return-41895-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 12:48:56 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/14092] Support C11 threads
Date: Tue, 15 May 2018 12:48:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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CC| |carlos at redhat dot com
--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Bogdan Barbu from comment #4)
> The original author claimed to have been frustrated by the lack of interest
> from the developers. Having resolved all the issues pointing out and pinging
> the mailing list a bunch he said he had enough.
I'm sorry to hear that. We're a volunteer project. Many times that means it's
hard to get review for your changes, much like in the Linux kernel, or other
larger projects.
Let me assure you we *do* want C11 threads, but it's a large new set of APIs
that have ABI consequences.
> Since then, Adhemerval revised the patch set numerous times but things seem
> to have eventually gone in the same direction.
I trust Adhemerval to keep pinging.
> We've had numerous projects switch over to Musl (which supports C11
> threads), using Cygwin whenever neccessary. I think it is safe to assume
> that glibc will not support this feature, which has been standardized almost
> a decade ago.
No, we will support it, but it just takes time to merge large chunks of code.
We ask for patience, and to reach out to the stewards for additional review if
required.
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>From glibc-bugs-return-41896-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 13:32:21 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
Date: Tue, 15 May 2018 13:32:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The explanation sounds reasonable and it seems potentially not only
connection.c and pwdcache.c, but also nscd/aicache.c, nscd/grpcache.c,
nscd/hstcache.c, and nscd/initgrcache.c can potentially hit this sendfile
issue. The most straightforward fix seems to just use 'writeall' since
sendfile is just an optimization.
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>From glibc-bugs-return-41897-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 13:41:46 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
Date: Tue, 15 May 2018 13:41:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #1)
> The explanation sounds reasonable and it seems potentially not only
> connection.c and pwdcache.c, but also nscd/aicache.c, nscd/grpcache.c,
> nscd/hstcache.c, and nscd/initgrcache.c can potentially hit this sendfile
> issue. The most straightforward fix seems to just use 'writeall' since
> sendfile is just an optimization.
We probably should just run unifdef -UHAVE_SENDFILE nscd/*.c and clean up the
result.
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>From glibc-bugs-return-41898-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 15:03:47 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nscd/23184] New: nscd aborting in check_use during startup
Date: Tue, 15 May 2018 15:03:00 -0000
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Bug ID: 23184
Summary: nscd aborting in check_use during startup
Product: glibc
Version: 2.26
Status: NEW
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Priority: P2
Component: nscd
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nscd may abort in check_use during startup if a persistent database became
corrupted. It should not use assert on a value read from the database data.
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>From glibc-bugs-return-41899-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 15:10:15 2018
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Subject: [Bug build/23180] Changes to math/bits/*.h are ignored by other directories
Date: Tue, 15 May 2018 15:10:00 -0000
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
make check will find out about them (scripts/check-local-headers.sh).
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>From glibc-bugs-return-41900-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 15:22:50 2018
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Subject: [Bug build/23180] Changes to math/bits/*.h are ignored by other directories
Date: Tue, 15 May 2018 15:22:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
So since all the math/bits headers *do* have wrappers in include/, except
for math-finite.h which shouldn't be used when building glibc (nothing in
glibc should be built with -ffinite-math-only, beyond the tests set up to
use math-finite.h), what is the actual observed problem here (what header
is not being found)?
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>From glibc-bugs-return-41901-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 15:44:30 2018
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From: "vvijayan75 at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/23185] New: krb5 Build Failure with glibc-2.27
Date: Tue, 15 May 2018 15:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23185
Bug ID: 23185
Summary: krb5 Build Failure with glibc-2.27
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: vvijayan75 at gmail dot com
CC: carlos at redhat dot com
Target Milestone: ---
Hi Team,
One of our customer getting the build issue in krb5 with glibc-2.27 but build
fine with glibc-2.25. Could you please look into it? Attached error log for
your reference.
Error log:
/usr/lib/libresolv.so.2: undefined reference to `_res_maybe_init@GLIBC_PRIVATE'
collect2: error: ld returned 1 exit status
Makefile:645: recipe for target 'test_getpw' failed
make[3]: *** [test_getpw] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory '/krb5-1.14.1/krb5-1.14.1/src/tests/misc'
Makefile:1095: recipe for target 'all-recurse' failed
make[2]: *** [all-recurse] Error 1
make[2]: Leaving directory '/krb5-1.14.1/krb5-1.14.1/src/tests'
Makefile:1538: recipe for target 'all-recurse' failed
make[1]: *** [all-recurse] Error 1
make[1]: Leaving directory '/krb5-1.14.1/krb5-1.14.1/src'
include/common.mk:587: recipe for target '/krb5-1.14.1/.stamp_built' failed
make: *** [/krb5-1.14.1/.stamp_built] Error 2
Please add your suggestion.
Thanks.
Vijayan
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>From glibc-bugs-return-41902-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 16:07:55 2018
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Subject: [Bug build/23185] krb5 Build Failure with glibc-2.27
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
> /usr/lib/libresolv.so.2: undefined reference to
> `_res_maybe_init@GLIBC_PRIVATE'
This library is not part of glibc, this symbol has never been part of its
interface (only __res_maybe_init was, but that was removed in 2.26).
Please report that to the provider of that library.
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Subject: [Bug build/23185] krb5 Build Failure with glibc-2.27
Date: Tue, 15 May 2018 17:04:00 -0000
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--- Comment #2 from Vijayan <vvijayan75 at gmail dot com> ---
Hi Andreas Schwab,
Thanks for your prompt response.
Do you mean libresolv.so.2 is not part of glibc-2.27? It should be reported to
libresolv library provider(glibc) to fix this issue?
If anything wrong please correct me.
Thanks.
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>From glibc-bugs-return-41904-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 17:35:10 2018
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Subject: [Bug build/23180] Changes to math/bits/*.h are ignored by other directories
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #4 from Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> ---
(In reply to joseph@codesourcery.com from comment #3)
> So since all the math/bits headers *do* have wrappers in include/, except
> for math-finite.h which shouldn't be used when building glibc (nothing in
> glibc should be built with -ffinite-math-only, beyond the tests set up to
> use math-finite.h), what is the actual observed problem here (what header
> is not being found)?
That's related to one of my changes. Patches are coming.
I'm closing this as invalid.
Andreas, Joseph, thanks for the explanation!
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Subject: [Bug build/23185] krb5 Build Failure with glibc-2.27
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Vijayan from comment #2)
> Hi Andreas Schwab,
>
> Thanks for your prompt response.
>
> Do you mean libresolv.so.2 is not part of glibc-2.27? It should be reported
> to libresolv library provider(glibc) to fix this issue?
>
> If anything wrong please correct me.
Yes, the GNU C Library (glibc), provides libresolv.so.2, however, the
libresolv.so.2 you have is different in ways that indicate it has been patched
by the 3rd party that provided it to you. The symbol
_res_maybe_init@GLIBC_PRIVATE which is undefined in your copy of
libresolv.so.2, should not exist, and so it means some 3rd party has patched
your copy of libresolv.so.2. You need to contact that 3rd party for assistance.
For example if your /usr/lib/libresolv.so.2 is provided by Red Hat, the you
should file a bug with them https://bugzilla.redhat.com/.
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>From glibc-bugs-return-41906-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 18:32:12 2018
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Subject: [Bug nptl/14092] Support C11 threads
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--- Comment #6 from Evan Nemerson <evan@coeus-group.com> ---
I'd love to see C11 threads implemented in glibc, but switching to musl (or
another libc) probably isn't an option for most people, and even if it were
it's a pretty heavy-handed work-around… there are several projects which wrap
pthreads in the C11 API. I maintain one of them, TinyCThread
(<https://tinycthread.github.io>), which also has a WinAPI backend. If you
don't expose the API publicly, one of those projects is probably a good
temporary solution until this issue is resolved.
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Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #2)
> (In reply to Adhemerval Zanella from comment #1)
> > The explanation sounds reasonable and it seems potentially not only
> > connection.c and pwdcache.c, but also nscd/aicache.c, nscd/grpcache.c,
> > nscd/hstcache.c, and nscd/initgrcache.c can potentially hit this sendfile
> > issue. The most straightforward fix seems to just use 'writeall' since
> > sendfile is just an optimization.
>
> We probably should just run unifdef -UHAVE_SENDFILE nscd/*.c and clean up
> the result.
In fact since sendfile on HURD is read/write operation and the underlying issue
on Linux, I think we can just remove to use sendfile altogether. I am really
skeptical it is hitting hotstop here to justify that extra code complexity.
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>From glibc-bugs-return-41908-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 15 23:38:29 2018
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Subject: [Bug libc/23174] [hppa] SIGSEGV on return from signal handler
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--- Comment #5 from John David Anglin <danglin at gcc dot gnu.org> ---
This gcc-8 patch changed the default stack setting to non-executable:
2017-09-26 Joseph Myers <joseph@codesourcery.com>
* config/microblaze/linux.h (TARGET_ASM_FILE_END): Likewise.
* config/pa/pa.h (NEED_INDICATE_EXEC_STACK): Likewise.
* config/pa/pa-linux.h (NEED_INDICATE_EXEC_STACK): Likewise.
* config/pa/pa.c (pa_hpux_file_end): Rename to pa_file_end.
Define unconditionally, with [ASM_OUTPUT_EXTERNAL_REAL]
conditionals inside the function instead of around it. Call
file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK.
(TARGET_ASM_FILE_END): Define unconditionally to pa_file_end.
I was traveling while this being discussed.
For now, I think a patch to set trampolines_created should restore
the previous behavior.
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>From glibc-bugs-return-41909-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 16 05:29:35 2018
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Subject: [Bug dynamic-link/23187] New: DSO with many Phdr[]s causes stack overflow in dl-load.c / open_verify and _dl_map_object_from_fd
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Bug ID: 23187
Summary: DSO with many Phdr[]s causes stack overflow in
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Product: glibc
Version: unspecified
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In open_verify:
maplength = ehdr->e_phnum * sizeof (ElfW(Phdr));
...
phdr = alloca (maplength);
In _dl_map_object_from_fd:
struct loadcmd loadcmds[l->l_phnum];
Both of these are problematic: a specially-crafted DSO can have up to 65535
Phdr[]s, resulting in stack overflow attempting to dlopen or run ldd or "ld.so
--list" on such a DSO, when stack limit is below 6MiB.
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Subject: [Bug dynamic-link/23187] DSO with many Phdr[]s causes stack overflow in dl-load.c / open_verify and _dl_map_object_from_fd
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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Subject: [Bug dynamic-link/23176] elf/reldep6 fails with BIND_NOW
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
We can add DF_2_LOADEARLY to indicate that a shared object should be
loaded as early as possible.
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Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
Date: Wed, 16 May 2018 17:27:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8c78faa9ef5c6cae455739f162e4b9d690e32eca
commit 8c78faa9ef5c6cae455739f162e4b9d690e32eca
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed May 16 10:51:15 2018 -0300
Fix concurrent changes on nscd aware files (BZ #23178)
As indicated by BZ#23178, concurrent access on some files read by nscd
may result non expected data send through service requisition. This is
due 'sendfile' Linux implementation where for sockets with zero-copy
support, callers must ensure the transferred portions of the the file
reffered by input file descriptor remain unmodified until the reader
on the other end of socket has consumed the transferred data.
I could not find any explicit documentation stating this behaviour on
Linux kernel documentation. However man-pages sendfile entry [1] states
in NOTES the aforementioned remark. It was initially pushed on man-pages
with an explicit testcase [2] that shows changing the file used in
'sendfile' call prior the socket input data consumption results in
previous data being lost.
From commit message it stated on tested Linux version (3.15) only TCP
socket showed this issues, however on recent kernels (4.4) I noticed the
same behaviour for local sockets as well.
Since sendfile on HURD is a read/write operation and the underlying
issue on Linux, the straightforward fix is just remove sendfile use
altogether. I am really skeptical it is hitting some hotstop (there
are indication over internet that sendfile is helpfull only for large
files, more than 10kb) here to justify that extra code complexity or
to pursuit other possible fix (through memory or file locks for
instance, which I am not sure it is doable).
Checked on x86_64-linux-gnu.
[BZ #23178]
* nscd/nscd-client.h (sendfileall): Remove prototype.
* nscd/connections.c [HAVE_SENDFILE] (sendfileall): Remove function.
(handle_request): Use writeall instead of sendfileall.
* nscd/aicache.c (addhstaiX): Likewise.
* nscd/grpcache.c (cache_addgr): Likewise.
* nscd/hstcache.c (cache_addhst): Likewise.
* nscd/initgrcache.c (addinitgroupsX): Likewise.
* nscd/netgroupcache.c (addgetnetgrentX, addinnetgrX): Likewise.
* nscd/pwdcache.c (cache_addpw): Likewise.
* nscd/servicescache.c (cache_addserv): Likewise.
* sysdeps/unix/sysv/linux/Makefile [$(subdir) == nscd]
(sysdep-CFLAGS): Remove -DHAVE_SENDFILE.
* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_SENDFILE):
Remove define.
[1] http://man7.org/linux/man-pages/man2/sendfile.2.html
[2]
https://github.com/mkerrisk/man-pages/commit/7b6a3299776b5c1c4f169a591434a855d50c68b4#diff-efd6af3a70f0f07c578e85b51e83b3c3
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +++++++++
nscd/aicache.c | 30 +--------------
nscd/connections.c | 54 +-------------------------
nscd/grpcache.c | 37 +----------------
nscd/hstcache.c | 37 +----------------
nscd/initgrcache.c | 37 +----------------
nscd/netgroupcache.c | 59 +---------------------------
nscd/nscd-client.h | 2 -
nscd/pwdcache.c | 37 +----------------
nscd/servicescache.c | 34 +---------------
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/kernel-features.h | 3 -
12 files changed, 40 insertions(+), 310 deletions(-)
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Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
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| |rg
Ever confirmed|0 |1
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Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by 8c78faa9ef5c6cae455739f162e4b9d690e32eca
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>From glibc-bugs-return-41915-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 16 20:01:01 2018
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From: "goof2092 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23190] New: bem_ZM locale Updates
Date: Wed, 16 May 2018 20:01:00 -0000
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Bug ID: 23190
Summary: bem_ZM locale Updates
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: goof2092 at gmail dot com
Target Milestone: ---
Created attachment 11021
--> https://sourceware.org/bugzilla/attachment.cgi?id=11021&action=edit
locale file containing the updates to day names, ISBN number and name formats
Please find attached the locale updates for bem_ZM for your consideration as
updates to some of the existing entries in glibc.
I have attached the updated locale file
Thank you
Anthony
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Subject: [Bug locale/23190] bem_ZM locale Updates
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Claude Paroz <claude at 2xlibre dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |claude at 2xlibre dot net
--- Comment #1 from Claude Paroz <claude at 2xlibre dot net> ---
Created attachment 11023
--> https://sourceware.org/bugzilla/attachment.cgi?id=11023&action=edit
Bemba changes as diff file
I tried to remove space differences. Anthony, can you check if the patch
corresponds to the intended changes?
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Subject: [Bug locale/23190] bem_ZM locale Updates
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--- Comment #2 from Anthony Musaluke <goof2092 at gmail dot com> ---
yes, looks alright.
thank you.
Anthony
On Wed, 16 May 2018 at 22:23 claude at 2xlibre dot net <
sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23190
>
> Claude Paroz <claude at 2xlibre dot net> changed:
>
> What |Removed |Added
>
> ----------------------------------------------------------------------------
> CC| |claude at 2xlibre dot net
>
> --- Comment #1 from Claude Paroz <claude at 2xlibre dot net> ---
> Created attachment 11023
> --> https://sourceware.org/bugzilla/attachment.cgi?id=11023&action=edit
> Bemba changes as diff file
>
> I tried to remove space differences. Anthony, can you check if the patch
> corresponds to the intended changes?
>
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Subject: [Bug network/23005] Crash in __res_context_send after memory allocation failure
Date: Thu, 17 May 2018 12:42:00 -0000
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commit 31e2d15b808e6c3bd7406eb0c1bef8d76ec6abe2
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 17 13:57:29 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
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resolv/res_send.c | 5 +++++
3 files changed, 12 insertions(+), 0 deletions(-)
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Subject: [Bug libc/23037] initialize msg_flags to zero for sendmmsg() calls
Date: Thu, 17 May 2018 12:42:00 -0000
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commit 7e7a5f0bcd28c6fc5285474f05080ac6ed5e55b9
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 17 13:54:45 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
-----------------------------------------------------------------------
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resolv/res_send.c | 40 +++++++++++++++++++++-------------------
3 files changed, 28 insertions(+), 19 deletions(-)
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Subject: [Bug nscd/22342] NSCD not properly caching netgroup
Date: Thu, 17 May 2018 12:43:00 -0000
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commit 677e6d13e0d59b35720b4d71af4a8d9038aedc6a
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
nscd/netgroupcache.c | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug dynamic-link/21269] i386 sigaction sa_restorer handling is wrong
Date: Thu, 17 May 2018 12:43:00 -0000
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commit 3241353ab20b4cc8798088d456ffa9aace1514de
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +
NEWS | 1 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 233 ++++++++++++++++++++++++++++
5 files changed, 247 insertions(+), 1 deletions(-)
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
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Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold
Date: Thu, 17 May 2018 12:43:00 -0000
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commit 71d339cb86dc58aa511dd1544dad2c77d075069c
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Thu May 17 13:58:21 2018 +0200
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++
NEWS | 1 +
string/test-memmove.c | 58 ++++++++++++++++++++
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 ++--
4 files changed, 73 insertions(+), 6 deletions(-)
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Subject: [Bug libc/17343] Signed integer overflow in /stdlib/random_r.c
Date: Thu, 17 May 2018 12:43:00 -0000
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commit 02f0dd83a4abf190f13eef8d70811a7c8ec896ad
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu May 17 14:04:58 2018 +0200
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
stdlib/random_r.c | 9 ++++-----
3 files changed, 11 insertions(+), 5 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
Date: Thu, 17 May 2018 12:43:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be056fae3bc1fe1019761a4b4994e808344b05e1
commit be056fae3bc1fe1019761a4b4994e808344b05e1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Thu May 17 14:05:51 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/nptl/lowlevellock.h | 13 ++++++++-----
3 files changed, 15 insertions(+), 5 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
Date: Thu, 17 May 2018 12:43:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=365722ace6c9bad3167804fa8f12884eafae6d8f
commit 365722ace6c9bad3167804fa8f12884eafae6d8f
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++++++
NEWS | 1 +
elf/Makefile | 9 ++++++-
elf/dl-load.c | 21 ++++++++++++++++++-
.../bench-timing-type.c => elf/tst-big-note-lib.S | 19 ++++++++---------
.../bench-timing-type.c => elf/tst-big-note.c | 13 +++++------
6 files changed, 50 insertions(+), 21 deletions(-)
copy benchtests/bench-timing-type.c => elf/tst-big-note-lib.S (66%)
copy benchtests/bench-timing-type.c => elf/tst-big-note.c (70%)
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX
Date: Thu, 17 May 2018 12:44:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, release/2.26/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=af7519f7b35024224c163e32a89fb247b0c446fc
commit af7519f7b35024224c163e32a89fb247b0c446fc
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++
NEWS | 1 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/test-bz22786.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 101 insertions(+), 2 deletions(-)
create mode 100644 stdlib/test-bz22786.c
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23196] New: __mempcpy_avx512_no_vzeroupper mishandles large copies
Date: Thu, 17 May 2018 15:42:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23196
Bug ID: 23196
Summary: __mempcpy_avx512_no_vzeroupper mishandles large copies
Product: glibc
Version: 2.23
Status: NEW
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: schwab@linux-m68k.org
Target Milestone: ---
Target: x86_64-*-*
If __mempcpy_avx512_no_vzeroupper has to copy a large buffer it always writes
128 bytes past the end of the buffer.
$ cat mempcpy.c
#define _GNU_SOURCE 1
#include <string.h>
#include <assert.h>
#define N 97699
char a[N];
char b[N+128];
int
main (void)
{
memset (a, 'x', N);
char *c = mempcpy (b, a, N);
assert (*c == 0);
}
$ gcc -g mempcpy.c -o mempcpy -fno-builtin-mempcpy
$ ./mempcpy
mempcpy: mempcpy.c:14: main: Assertion `*c == 0' failed.
The problem is these two lines in memmove-avx512-no-vzeroupper.S:
vmovups %zmm4, (%rax)
vmovups %zmm5, 0x40(%rax)
For mempcpy, %rax points to the end of the buffer.
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/14092] Support C11 threads
Date: Thu, 17 May 2018 21:55:00 -0000
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Fabio Correa <facorread at gmail dot com> changed:
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From: "andrew at sifive dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
Date: Thu, 17 May 2018 23:10:00 -0000
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Andrew Waterman <andrew at sifive dot com> changed:
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--- Comment #3 from Andrew Waterman <andrew at sifive dot com> ---
I endorse the CFI-directive patch.
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Thu, 17 May 2018 23:24:00 -0000
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--- Comment #20 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11025
--> https://sourceware.org/bugzilla/attachment.cgi?id=11025&action=edit
Occitan (oc_FR)
I've just received this recently.
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>From glibc-bugs-return-41931-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 04:49:52 2018
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From: "kouvel at outlook dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23018] pthread_create reserves less stack space than requested without failing on linux-arm64
Date: Fri, 18 May 2018 04:49:00 -0000
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--- Comment #5 from kouvel at outlook dot com ---
Sorry for the delayed response, and thanks for the detailed info, it all makes
sense now.
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>From glibc-bugs-return-41932-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:14:00 2018
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Subject: [Bug network/23005] Crash in __res_context_send after memory allocation failure
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>From glibc-bugs-return-41933-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:14:11 2018
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Subject: [Bug libc/23037] initialize msg_flags to zero for sendmmsg() calls
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>From glibc-bugs-return-41934-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:22:02 2018
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>From glibc-bugs-return-41935-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:25:52 2018
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Subject: [Bug dynamic-link/21269] i386 sigaction sa_restorer handling is wrong
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>From glibc-bugs-return-41936-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:26:54 2018
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Subject: [Bug nss/23024] getlogin_r is performing NSS lookups when loginid isn't set
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>From glibc-bugs-return-41937-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:32:39 2018
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Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
Date: Fri, 18 May 2018 08:32:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
FWIW, I never saw the symptoms (the intl/tst-gettext6 failure) on glibcs built
with -O3.
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>From glibc-bugs-return-41938-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:37:52 2018
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
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>From glibc-bugs-return-41939-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:41:40 2018
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Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX
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>From glibc-bugs-return-41940-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 08:46:53 2018
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>From glibc-bugs-return-41941-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 09:06:52 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies
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>From glibc-bugs-return-41942-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 10:47:02 2018
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Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
Date: Fri, 18 May 2018 10:47:00 -0000
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--- Comment #7 from Stefan Liebler <stli at linux dot vnet.ibm.com> ---
At least for s390: The reload of the tid does not happen in pthread_join() on
64/31bit if glibc is build with -O2/-O3 with different versions of GCC.
I only saw it on 31bit if glibc is build with -Os.
Then, you see the symptoms from time to time with testcase intl/tst-gettext6.
But you don't need gettext() to trigger it.
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>From glibc-bugs-return-41943-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 11:17:41 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Note: Test case needs -O0 -fno-builtin with some compilers, and N may need
increasing, depending on the system cache size.
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>From glibc-bugs-return-41944-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 11:28:28 2018
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>From glibc-bugs-return-41945-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 11:32:38 2018
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Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold
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Subject: [Bug time/22639] year 2039 bug for localtime etc. on 64-bit platforms
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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>From glibc-bugs-return-41946-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 11:58:14 2018
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Subject: [Bug time/22639] year 2039 bug for localtime etc. on 64-bit platforms
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78274dc8ceb21bb7efd8baef29e1f00031b9c1c6
commit 78274dc8ceb21bb7efd8baef29e1f00031b9c1c6
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri May 18 11:57:15 2018 +0000
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Bug 22639 reports localtime failing to handle time offset transitions
correctly in 2039 and later on platforms with 64-bit time_t.
The problem is the use of SECSPERDAY (constant 86400) in calculations
such as
t = ((year - 1970) * 365
+ /* Compute the number of leapdays between 1970 and YEAR
(exclusive). There is a leapday every 4th year ... */
+ ((year - 1) / 4 - 1970 / 4)
/* ... except every 100th year ... */
- ((year - 1) / 100 - 1970 / 100)
/* ... but still every 400th year. */
+ ((year - 1) / 400 - 1970 / 400)) * SECSPERDAY;
where t is of type time_t and year is of type int. Before my commit
92bd70fb85bce57ac47ba5d8af008736832c955a (an update from tzcode,
included in 2.26 and later releases), SECSPERDAY was obtained from a
file imported from tzcode, where the value included a cast to
int_fast32_t. On 64-bit platforms, glibc defines int_fast32_t to be
long int, so 64-bit, but my patch resulted in it changing to int.
(The bug would probably have existed even before my patch for x32,
which has 64-bit time_t but 32-bit int_fast32_t, but I haven't
verified that.)
This patch fixes the problem by including a cast to time_t in the
definition of SECSPERDAY. (64-bit time support for 32-bit systems
should move such code that isn't a public interface to using the
internal 64-bit version of time_t throughout.)
Tested for x86_64 and x86.
[BZ #22639]
* time/tzset.c (SECSPERDAY): Cast to time_t.
* time/tst-y2039.c: New file.
* time/Makefile (tests): Add tst-y2039.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
time/Makefile | 2 +-
elf/tst-debug1.c => time/tst-y2039.c | 24 ++++++++++++++++++------
time/tzset.c | 2 +-
4 files changed, 27 insertions(+), 8 deletions(-)
copy elf/tst-debug1.c => time/tst-y2039.c (59%)
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>From glibc-bugs-return-41948-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 13:31:36 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23202] New: tst-pkeys fails on POWER
Date: Fri, 18 May 2018 13:31:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23202
Bug ID: 23202
Summary: tst-pkeys fails on POWER
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P3
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: powerpc64
Flags: security-
misc/tst-pkeys fails on POWER if they kernel implements memory protection keys
because pkey_set and pkey_get are the stub implementations.
I have implementations for these functions on POWER (translating them into AMR
register accesses), but the kernel support has issues:
https://lists.ozlabs.org/pipermail/linuxppc-dev/2018-May/173157.html
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>From glibc-bugs-return-41949-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 14:28:06 2018
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Subject: [Bug libc/23202] tst-pkeys fails on POWER
Date: Fri, 18 May 2018 14:28:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Another problem (currently not covered by tst-pkeys):
https://lists.ozlabs.org/pipermail/linuxppc-dev/2018-May/173160.html
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>From glibc-bugs-return-41950-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 16:31:21 2018
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Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX (CVE-2018-11236)
Date: Fri, 18 May 2018 16:31:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Stack buffer overflow in |Stack buffer overflow in
|realpath() if input size is |realpath() if input size is
|close to SSIZE_MAX |close to SSIZE_MAX
| |(CVE-2018-11236)
Alias| |CVE-2018-11236
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>From glibc-bugs-return-41951-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 16:31:44 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Fri, 18 May 2018 16:31:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|__mempcpy_avx512_no_vzeroup |__mempcpy_avx512_no_vzeroup
|per mishandles large copies |per mishandles large copies
| |(CVE-2018-11237)
Alias| |CVE-2018-11237
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>From glibc-bugs-return-41952-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 18 16:32:04 2018
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Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold (CVE-2017-18269)
Date: Fri, 18 May 2018 16:32:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|memmove-sse2-unaligned on |memmove-sse2-unaligned on
|32bit x86 produces garbage |32bit x86 produces garbage
|when crossing 2GB threshold |when crossing 2GB threshold
| |(CVE-2017-18269)
Alias| |CVE-2017-18269
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>From glibc-bugs-return-41953-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat May 19 00:47:14 2018
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
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Palmer Dabbelt <palmer at gcc dot gnu.org> changed:
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CC| |palmer at gcc dot gnu.org
Assignee|unassigned at sourceware dot org |palmer at gcc dot gnu.org
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>From glibc-bugs-return-41954-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat May 19 09:16:34 2018
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Subject: [Bug libc/23072] abi-note.S breaks gABI on 64-bit systems
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What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://github.com/Microsof
| |t/WSL/issues/3023
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>From glibc-bugs-return-41955-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat May 19 11:12:54 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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CC| |github at kalvdans dot no-ip.org
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https://sourceware.org/bugzilla/show_bug.cgi?id=23206
Bug ID: 23206
Summary: static-pie + dlopen breaks debugger interaction
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: ppluzhnikov at google dot com
Target Milestone: ---
Given that dlopen from a statically-linked binary is going to be disabled [1],
this bug will likely never be fixed.
Filing it only for reference / to be closed as obsolete.
Currently, an application built with -static-pie does not update its _DYNAMIC
DT_DEBUG entry, which results in GDB having no idea what is loaded.
This breaks "(gdb) info shared", "set stop-on-solib-events", and backtrace.
Example session on Fedora 28 (Workstation Edition), using GLIBC-2.27, GCC 8.1.1
20180502 (Red Hat 8.1.1-1), ld 2.29.1-23.fc28:
gcc -g t.c -fpie -static-pie -ldl
gcc -g -fPIC -shared foo.c -o libfoo.so
gdb -q ./a.out
Reading symbols from ./a.out...done.
(gdb) set stop-on-solib-events 1
(gdb) run
Starting program: /tmp/a.out
Stopped due to shared library event (no libraries added or removed)
(gdb) bt
#0 0x00007ffff7d997f0 in _dl_debug_state ()
#1 0x00007ffff7d94dd2 in _dl_map_object_from_fd.constprop.10 ()
#2 0x00007ffff7d969ab in _dl_map_object ()
#3 0x00007ffff7d9b40a in dl_open_worker ()
#4 0x00007ffff7da0adf in _dl_catch_exception ()
#5 0x00007ffff7d9b0f0 in _dl_open ()
#6 0x00007ffff7d64829 in dlopen_doit ()
#7 0x00007ffff7da0adf in _dl_catch_exception ()
#8 0x00007ffff7da0b6f in _dl_catch_error ()
#9 0x00007ffff7d64ce5 in _dlerror_run ()
#10 0x00007ffff7d64890 in __dlopen ()
#11 0x00007ffff7d55e02 in main () at t.c:9
(gdb) c
Continuing.
Stopped due to shared library event (no libraries added or removed)
(gdb) info shared
No shared libraries loaded at this time. <<< this is wrong: proc maps shows
libraries *have* been loaded
(gdb) info proc map
process 12912
Mapped address spaces:
Start Addr End Addr Size Offset objfile
0x7ffff7564000 0x7ffff7589000 0x25000 0x0
/usr/lib64/ld-2.27.so
0x7ffff7589000 0x7ffff7789000 0x200000 0x25000
/usr/lib64/ld-2.27.so
0x7ffff7789000 0x7ffff778b000 0x2000 0x25000
/usr/lib64/ld-2.27.so
0x7ffff778b000 0x7ffff778c000 0x1000 0x0
0x7ffff778c000 0x7ffff7941000 0x1b5000 0x0
/usr/lib64/libc-2.27.so
0x7ffff7941000 0x7ffff7b41000 0x200000 0x1b5000
/usr/lib64/libc-2.27.so
0x7ffff7b41000 0x7ffff7b47000 0x6000 0x1b5000
/usr/lib64/libc-2.27.so
0x7ffff7b47000 0x7ffff7b4b000 0x4000 0x0
0x7ffff7b4b000 0x7ffff7b4c000 0x1000 0x0 /tmp/libfoo.so
0x7ffff7b4c000 0x7ffff7d4b000 0x1ff000 0x1000 /tmp/libfoo.so
0x7ffff7d4b000 0x7ffff7d4d000 0x2000 0x0 /tmp/libfoo.so
0x7ffff7d4d000 0x7ffff7df8000 0xab000 0x0 /tmp/a.out
0x7ffff7fd9000 0x7ffff7ff2000 0x19000 0x0 /etc/ld.so.cache
0x7ffff7ff2000 0x7ffff7ff5000 0x3000 0x0 [vvar]
0x7ffff7ff5000 0x7ffff7ff7000 0x2000 0x0 [vdso]
0x7ffff7ff7000 0x7ffff7ffe000 0x7000 0xaa000 /tmp/a.out
0x7ffff7ffe000 0x7ffff8022000 0x24000 0x0 [heap]
0x7ffffffdd000 0x7ffffffff000 0x22000 0x0 [stack]
0xffffffffff600000 0xffffffffff601000 0x1000 0x0 [vsyscall]
(gdb) c
Continuing.
DT_DEBUG: (nil)
Program received signal SIGABRT, Aborted.
0x00007ffff77c2f4b in ?? ()
(gdb) bt
#0 0x00007ffff77c2f4b in ?? () <<< GDB has no idea where we are.
#1 0x0000000000000000 in ?? ()
Sources:
--- foo.c ---
#include <stdlib.h>
static void bar (void)
{
abort ();
}
int
foo ()
{
bar();
return 42;
}
--- foo.c ---
--- t.c ---
#define _GNU_SOURCE
#include <stdio.h>
#include <dlfcn.h>
#include <link.h>
int
main (void)
{
void *h = dlopen ("./libfoo.so", RTLD_LAZY|RTLD_GLOBAL);
int (*sym) (void) = (int (*) (void)) dlsym (h, "foo");
ElfW(Dyn) *dyn = _DYNAMIC;
for (; dyn->d_tag != DT_NULL; ++dyn)
if (dyn->d_tag == DT_DEBUG)
{
printf ("DT_DEBUG: %p\n", (void*) dyn->d_un.d_val);
break;
}
(*sym) ();
return 0;
}
--- t.c ---
[1] GLIBC-2.27 announcement:
https://sourceware.org/ml/libc-alpha/2018-02/msg00054.html
* Support for statically linked applications which call dlopen is deprecated
and will be removed in a future version of glibc. Applications which call
dlopen need to be linked dynamically instead.
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>From glibc-bugs-return-41957-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun May 20 15:31:04 2018
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From: "milupo at sorbzilla dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23208] New: New locale - Lower Sorbian (dsb)
Date: Sun, 20 May 2018 15:31:00 -0000
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Bug ID: 23208
Summary: New locale - Lower Sorbian (dsb)
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: milupo at sorbzilla dot de
CC: libc-locales at sourceware dot org
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Created attachment 11032
--> https://sourceware.org/bugzilla/attachment.cgi?id=11032&action=edit
First version of dsb_DE locale file
Request for new glibc locale dsb (Lower Sorbian)
Please find attached file dsb_DE.txt, it's the first version of this locale
file based on the hsb_DE file. It already includes special month names for
dates (in Lower Sorbian it is the genitive form of month names).
Please check the file because it is my first glib locale file I created.
Thanks.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Sun, 20 May 2018 15:38:00 -0000
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Michael Wolf <milupo at sorbzilla dot de> changed:
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----------------------------------------------------------------------------
CC| |milupo at sorbzilla dot de
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>From glibc-bugs-return-41959-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 21 13:40:35 2018
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From: "rcardoso at linux dot vnet.ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/21895] ppc64 setjmp/longjmp not fully interoperable with static dlopen
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Rogerio Alves <rcardoso at linux dot vnet.ibm.com> changed:
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--- Comment #1 from Rogerio Alves <rcardoso at linux dot vnet.ibm.com> ---
I've confirmed that TOC is not being restored on longjmp:
#if defined SHARED && !IS_IN (rtld)
std r2,FRAME_TOC_SAVE(r1) /* Restore the callers TOC save area.
*/
#endif
/* std r2,FRAME_TOC_SAVE(r1) Restore the TOC save area. */
Originally the problem is described on bugzilla #269.
In the shared case, external calls to setjmp will save the TOC on the stack,
but internal libc calls will not. In that case we need to reach back to the
caller frame and retrieve the TOC from save area. But, in the static case the
TOC is not saved and has not change.
The problem here is that you have a static function that jump to a shared
object - a function on a shared object is called to setjmp and a static
function is called to longjmp. TOC is being saved on setjmp but is never
restored on longjmp since it's static. In fact we should always restore the TOC
to caller stack from jmpbuf. I'm working on a patch.
Also, I've notice something else. The segmentation fault arises after the
longjmp at foo+96:
0x3fffb7fb06d0 <00000017.plt_call.memset@@GLIBC_2.17> std r2,24(r1)
0x3fffb7fb0954 <foo+96> ld r2,24(r1)
The alloca/memset is destroying the caller stack when you have a function that
needs to save parameter on the stack.
That code works fine if you change lbar() to lbar(void) for instance. That's
because in C a empty parent doesn't mean "no parameters" it mean "any
arguments" and ld creates a stack with a parameter saving area on that case.
With no parameter saving area on the stack alloca/memset doesn't overwrite the
base 32 bits of the stack and the TOC can be restore. I don't think that alloca
should destroy the caller stack. I think that's (maybe) another issue.
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>From glibc-bugs-return-41960-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 21 17:51:47 2018
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Subject: [Bug libc/2457] Allow control of automatic stdio buffering using env variables
Date: Mon, 21 May 2018 17:51:00 -0000
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Zack Weinberg <zackw at panix dot com> changed:
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CC| |zackw at panix dot com
Resolution|WONTFIX |---
--- Comment #2 from Zack Weinberg <zackw at panix dot com> ---
According to https://blog.plover.com/Unix/stdio-buffering-2.html , this feature
was in fact added to NetBSD (see also
https://mail-index.netbsd.org/tech-userlevel/2015/07/14/msg009247.html et seq)
and has not caused problems there. I think we should reconsider. Yes, a
program (or an entire process tree) could be forced to suffer much greater I/O
overhead using this feature, but I don't think it rises to the level of "denial
of service", there are other ways for a determined Mallory to get the same
effect, and there are obvious positive use cases for e.g. manually overriding
the output of a long-running program to be line-buffered even if it's going to
a pipe.
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 21 May 2018 18:11:00 -0000
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Soslan Khubulov <soslanx at gmail dot com> changed:
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--- Comment #21 from Soslan Khubulov <soslanx at gmail dot com> ---
(In reply to Rafal Luzynski from comment #17)
> Created attachment 11008 [details]
> Ossetian (os_RU)
Grammar is correct, but it would be better to capitalize alt_mon strings too
for consistency.
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>From glibc-bugs-return-41962-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 21 19:58:16 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #22 from Michael Wolf <milupo at sorbzilla dot de> ---
Lower Sorbian can be ignored by this bug now. Meanwhile bug 23208 exists with
the complete new locale file dsb_DE which already contains the genitive month
names for dates.
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>From glibc-bugs-return-41963-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 12:21:00 2018
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Subject: [Bug libc/23072] abi-note.S breaks gABI on 64-bit systems
Date: Tue, 22 May 2018 12:20:00 -0000
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
This is a known issue:
https://github.com/hjl-tools/linux-abi/commit/9a7bc47bf065405c2e7b6c46d692a7d137d5f544
See:
https://github.com/hjl-tools/linux-abi/wiki/linux-abi-draft.pdf
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>From glibc-bugs-return-41964-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 12:56:20 2018
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Subject: [Bug libc/23072] abi-note.S breaks gABI on 64-bit systems
Date: Tue, 22 May 2018 12:48:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Note that the linked WSL issue is likely not caused by ABI alignment, but by
the contents of the ELF note (which we do not know) in relation to data
provided by the WSL environment.
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>From glibc-bugs-return-41965-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 13:41:54 2018
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Subject: [Bug dynamic-link/23206] static-pie + dlopen breaks debugger interaction
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Can you try
https://github.com/hjl-tools/glibc/commit/d82c7e2f4180e2d56ca66e3620dc344b0d72ca94
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>From glibc-bugs-return-41968-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 14:41:18 2018
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Subject: [Bug libc/22667] makecontext lacks stack alignment on i386
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>From glibc-bugs-return-41967-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 14:41:14 2018
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Subject: [Bug libc/18661] Some x86-64 assembly codes don't align stack to 16 bytes
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>From glibc-bugs-return-41966-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 14:41:09 2018
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Subject: [Bug libc/18635] stdlib/tst-makecontext fails on ix86
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>From glibc-bugs-return-41969-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 15:39:37 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
I will take a look.
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>From glibc-bugs-return-41970-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 15:40:39 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Tue, 22 May 2018 15:40:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Andreas posted a patch:
https://sourceware.org/ml/libc-alpha/2018-05/msg00713.html
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>From glibc-bugs-return-41971-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue May 22 15:44:59 2018
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Subject: [Bug libc/18471] llseek should be a compat symbol
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c5c0dd747070db624c8e2c43691cec854f114ef
commit 5c5c0dd747070db624c8e2c43691cec854f114ef
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue May 22 15:44:01 2018 +0000
Make llseek a compat symbol (bug 18471).
The llseek function name is an obsolete, Linux-specific, unprototyped
name for lseek64 with a link-time warning. This patch completes the
obsoletion of this function name by making it into a compat symbol,
not available for newly linked programs and not included in the ABI
for new ports.
When a compat symbol is defined in syscalls.list, the code for that
function is not built at all for static linking unless some non-compat
symbol for that function is also defined with an explicit symbol
version, so an explicit symbol version for lseek64 is added to the
MIPS n32 syscalls.list. The case in make-syscalls.sh that handles
such explicit non-compat symbol versions then needs to be changed to
use weak_alias instead of strong_alias when the syscall is built
outside of libc, to avoid linknamespace failures from a strong lseek64
symbol in static libpthread.
The x32 llseek.S was as far as I could tell already unused (nothing
builds an llseek.* source file, at least since the lseek / lseek64 /
llseek consolidation), so is removed in this patch as well.
Tested for x86_64 and x86, and with build-many-glibcs.py.
[BZ #18471]
* sysdeps/unix/make-syscalls.sh (emit_weak_aliases): Use weak
aliases for non-libc case of versioned symbols.
* sysdeps/unix/sysv/linux/lseek64.c: Include <shlib-compat.h>.
(llseek): Define as compat symbol if
[SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_28)], not as weak alias
with link warning.
* sysdeps/unix/sysv/linux/mips/mips64/n32/syscalls.list (llseek):
Make into a compat symbol, disabled for minimum symbol version
GLIBC_2.28 and later.
* sysdeps/unix/sysv/linux/x86_64/x32/llseek.S: Remove file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 ++++++++++++++
NEWS | 5 +++++
sysdeps/unix/make-syscalls.sh | 2 +-
sysdeps/unix/sysv/linux/lseek64.c | 11 +++++------
.../unix/sysv/linux/mips/mips64/n32/syscalls.list | 2 +-
sysdeps/unix/sysv/linux/x86_64/x32/llseek.S | 1 -
6 files changed, 26 insertions(+), 9 deletions(-)
delete mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/llseek.S
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Subject: [Bug libc/18471] llseek should be a compat symbol
Date: Tue, 22 May 2018 15:46:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Tue, 22 May 2018 22:54:00 -0000
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--- Comment #23 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Soslan Khubulov from comment #21)
> (In reply to Rafal Luzynski from comment #17)
> > Created attachment 11008 [details]
> > Ossetian (os_RU)
>
> Grammar is correct, but it would be better to capitalize alt_mon strings too
> for consistency.
Thank you for your review. alt_mon is currently capitalized in this patch. Did
you mean anything different?
BTW, what do you think about abbreviated month names? Currently in glibc we
have all Ossetian month names abbreviated to 3 letters. CLDR [1] provides 3-4
letters plus a dot unless whole word is 3 or 4 letters long. As a consequence
some "abbreviated" month names have their inflection visible: "Май" -> "майы",
"Июнь" -> "июны" and so on. Also, the abbreviated standalone (nominative?)
forms are all capitalized.
[1] http://st.unicode.org/cldr-apps/v#/os/Gregorian/
While at this, what is the correct English name: Ossetian (Wikipedia says so)
or Ossetic (CLDR says so)?
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Wed, 23 May 2018 07:53:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e
Author: Andreas Schwab <schwab@suse.de>
Date: Tue May 22 10:37:59 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
string/test-mempcpy.c | 1 +
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +++--
3 files changed, 13 insertions(+), 2 deletions(-)
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.28.
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
string/test-memcpy.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 53 insertions(+), 0 deletions(-)
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Subject: [Bug network/19728] out of bounds stack read in libidn function idna_to_ascii_4i (CVE-2016-6261)
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commit 7f9f1ecb710eac4d65bb02785ddf288cac098323
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed May 23 15:26:19 2018 +0200
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
This provides an implementation of the IDNA2008 standard and fixes
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 64 +
LICENSES | 69 -
NEWS | 24 +-
config.h.in | 3 -
include/dlfcn.h | 2 +-
include/idna.h | 8 -
inet/Makefile | 12 +-
inet/Versions | 2 +
inet/getnameinfo.c | 56 +-
inet/idna.c | 182 +
inet/idna_name_classify.c | 75 +
inet/net-internal.h | 27 +
inet/tst-idna_name_classify.c | 73 +
libidn/Makefile | 34 -
libidn/Versions | 6 -
libidn/gunicomp.h | 658 ---
libidn/gunidecomp.h |10362 ----------------------------------
libidn/iconvme.c | 171 -
libidn/iconvme.h | 25 -
libidn/idn-stub.c | 142 -
libidn/idna.c | 834 ---
libidn/idna.h | 96 -
libidn/nfkc.c | 1057 ----
libidn/profiles.c | 308 -
libidn/punycode.c | 454 --
libidn/punycode.h | 214 -
libidn/rfc3454.c | 3544 ------------
libidn/shlib-versions | 1 -
libidn/stringprep.c | 668 ---
libidn/stringprep.h | 209 -
libidn/toutf8.c | 150 -
nscd/gai.c | 3 -
resolv/Makefile | 24 +-
resolv/netdb.h | 16 +-
resolv/tst-no-libidn2.c | 2 +
resolv/tst-resolv-ai_idn-common.c | 569 ++
resolv/tst-resolv-ai_idn-latin1.c | 50 +
resolv/tst-resolv-ai_idn-nolibidn2.c | 151 +
resolv/tst-resolv-ai_idn.c | 49 +
support/support_format_addrinfo.c | 2 -
sysdeps/posix/getaddrinfo.c | 81 +-
sysdeps/unix/inet/Subdirs | 1 -
sysdeps/unix/inet/configure | 9 -
sysdeps/unix/inet/configure.ac | 7 -
44 files changed, 1351 insertions(+), 19143 deletions(-)
delete mode 100644 include/idna.h
create mode 100644 inet/idna.c
create mode 100644 inet/idna_name_classify.c
create mode 100644 inet/tst-idna_name_classify.c
delete mode 100644 libidn/Makefile
delete mode 100644 libidn/Versions
delete mode 100644 libidn/gunicomp.h
delete mode 100644 libidn/gunidecomp.h
delete mode 100644 libidn/iconvme.c
delete mode 100644 libidn/iconvme.h
delete mode 100644 libidn/idn-stub.c
delete mode 100644 libidn/idna.c
delete mode 100644 libidn/idna.h
delete mode 100644 libidn/nfkc.c
delete mode 100644 libidn/profiles.c
delete mode 100644 libidn/punycode.c
delete mode 100644 libidn/punycode.h
delete mode 100644 libidn/rfc3454.c
delete mode 100644 libidn/shlib-versions
delete mode 100644 libidn/stringprep.c
delete mode 100644 libidn/stringprep.h
delete mode 100644 libidn/toutf8.c
create mode 100644 resolv/tst-no-libidn2.c
create mode 100644 resolv/tst-resolv-ai_idn-common.c
create mode 100644 resolv/tst-resolv-ai_idn-latin1.c
create mode 100644 resolv/tst-resolv-ai_idn-nolibidn2.c
create mode 100644 resolv/tst-resolv-ai_idn.c
delete mode 100644 sysdeps/unix/inet/configure
delete mode 100644 sysdeps/unix/inet/configure.ac
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Subject: [Bug network/19729] out of bounds heap read on invalid utf-8 inputs in stringprep_utf8_nfkc_normalize (CVE-2016-6263)
Date: Wed, 23 May 2018 13:28:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f9f1ecb710eac4d65bb02785ddf288cac098323
commit 7f9f1ecb710eac4d65bb02785ddf288cac098323
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed May 23 15:26:19 2018 +0200
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
This provides an implementation of the IDNA2008 standard and fixes
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 64 +
LICENSES | 69 -
NEWS | 24 +-
config.h.in | 3 -
include/dlfcn.h | 2 +-
include/idna.h | 8 -
inet/Makefile | 12 +-
inet/Versions | 2 +
inet/getnameinfo.c | 56 +-
inet/idna.c | 182 +
inet/idna_name_classify.c | 75 +
inet/net-internal.h | 27 +
inet/tst-idna_name_classify.c | 73 +
libidn/Makefile | 34 -
libidn/Versions | 6 -
libidn/gunicomp.h | 658 ---
libidn/gunidecomp.h |10362 ----------------------------------
libidn/iconvme.c | 171 -
libidn/iconvme.h | 25 -
libidn/idn-stub.c | 142 -
libidn/idna.c | 834 ---
libidn/idna.h | 96 -
libidn/nfkc.c | 1057 ----
libidn/profiles.c | 308 -
libidn/punycode.c | 454 --
libidn/punycode.h | 214 -
libidn/rfc3454.c | 3544 ------------
libidn/shlib-versions | 1 -
libidn/stringprep.c | 668 ---
libidn/stringprep.h | 209 -
libidn/toutf8.c | 150 -
nscd/gai.c | 3 -
resolv/Makefile | 24 +-
resolv/netdb.h | 16 +-
resolv/tst-no-libidn2.c | 2 +
resolv/tst-resolv-ai_idn-common.c | 569 ++
resolv/tst-resolv-ai_idn-latin1.c | 50 +
resolv/tst-resolv-ai_idn-nolibidn2.c | 151 +
resolv/tst-resolv-ai_idn.c | 49 +
support/support_format_addrinfo.c | 2 -
sysdeps/posix/getaddrinfo.c | 81 +-
sysdeps/unix/inet/Subdirs | 1 -
sysdeps/unix/inet/configure | 9 -
sysdeps/unix/inet/configure.ac | 7 -
44 files changed, 1351 insertions(+), 19143 deletions(-)
delete mode 100644 include/idna.h
create mode 100644 inet/idna.c
create mode 100644 inet/idna_name_classify.c
create mode 100644 inet/tst-idna_name_classify.c
delete mode 100644 libidn/Makefile
delete mode 100644 libidn/Versions
delete mode 100644 libidn/gunicomp.h
delete mode 100644 libidn/gunidecomp.h
delete mode 100644 libidn/iconvme.c
delete mode 100644 libidn/iconvme.h
delete mode 100644 libidn/idn-stub.c
delete mode 100644 libidn/idna.c
delete mode 100644 libidn/idna.h
delete mode 100644 libidn/nfkc.c
delete mode 100644 libidn/profiles.c
delete mode 100644 libidn/punycode.c
delete mode 100644 libidn/punycode.h
delete mode 100644 libidn/rfc3454.c
delete mode 100644 libidn/shlib-versions
delete mode 100644 libidn/stringprep.c
delete mode 100644 libidn/stringprep.h
delete mode 100644 libidn/toutf8.c
create mode 100644 resolv/tst-no-libidn2.c
create mode 100644 resolv/tst-resolv-ai_idn-common.c
create mode 100644 resolv/tst-resolv-ai_idn-latin1.c
create mode 100644 resolv/tst-resolv-ai_idn-nolibidn2.c
create mode 100644 resolv/tst-resolv-ai_idn.c
delete mode 100644 sysdeps/unix/inet/configure
delete mode 100644 sysdeps/unix/inet/configure.ac
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22247] Integer overflow in the decode_digit function in puny_decode.c in libidn (CVE-2017-14062)
Date: Wed, 23 May 2018 13:28:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f9f1ecb710eac4d65bb02785ddf288cac098323
commit 7f9f1ecb710eac4d65bb02785ddf288cac098323
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed May 23 15:26:19 2018 +0200
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
This provides an implementation of the IDNA2008 standard and fixes
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 64 +
LICENSES | 69 -
NEWS | 24 +-
config.h.in | 3 -
include/dlfcn.h | 2 +-
include/idna.h | 8 -
inet/Makefile | 12 +-
inet/Versions | 2 +
inet/getnameinfo.c | 56 +-
inet/idna.c | 182 +
inet/idna_name_classify.c | 75 +
inet/net-internal.h | 27 +
inet/tst-idna_name_classify.c | 73 +
libidn/Makefile | 34 -
libidn/Versions | 6 -
libidn/gunicomp.h | 658 ---
libidn/gunidecomp.h |10362 ----------------------------------
libidn/iconvme.c | 171 -
libidn/iconvme.h | 25 -
libidn/idn-stub.c | 142 -
libidn/idna.c | 834 ---
libidn/idna.h | 96 -
libidn/nfkc.c | 1057 ----
libidn/profiles.c | 308 -
libidn/punycode.c | 454 --
libidn/punycode.h | 214 -
libidn/rfc3454.c | 3544 ------------
libidn/shlib-versions | 1 -
libidn/stringprep.c | 668 ---
libidn/stringprep.h | 209 -
libidn/toutf8.c | 150 -
nscd/gai.c | 3 -
resolv/Makefile | 24 +-
resolv/netdb.h | 16 +-
resolv/tst-no-libidn2.c | 2 +
resolv/tst-resolv-ai_idn-common.c | 569 ++
resolv/tst-resolv-ai_idn-latin1.c | 50 +
resolv/tst-resolv-ai_idn-nolibidn2.c | 151 +
resolv/tst-resolv-ai_idn.c | 49 +
support/support_format_addrinfo.c | 2 -
sysdeps/posix/getaddrinfo.c | 81 +-
sysdeps/unix/inet/Subdirs | 1 -
sysdeps/unix/inet/configure | 9 -
sysdeps/unix/inet/configure.ac | 7 -
44 files changed, 1351 insertions(+), 19143 deletions(-)
delete mode 100644 include/idna.h
create mode 100644 inet/idna.c
create mode 100644 inet/idna_name_classify.c
create mode 100644 inet/tst-idna_name_classify.c
delete mode 100644 libidn/Makefile
delete mode 100644 libidn/Versions
delete mode 100644 libidn/gunicomp.h
delete mode 100644 libidn/gunidecomp.h
delete mode 100644 libidn/iconvme.c
delete mode 100644 libidn/iconvme.h
delete mode 100644 libidn/idn-stub.c
delete mode 100644 libidn/idna.c
delete mode 100644 libidn/idna.h
delete mode 100644 libidn/nfkc.c
delete mode 100644 libidn/profiles.c
delete mode 100644 libidn/punycode.c
delete mode 100644 libidn/punycode.h
delete mode 100644 libidn/rfc3454.c
delete mode 100644 libidn/shlib-versions
delete mode 100644 libidn/stringprep.c
delete mode 100644 libidn/stringprep.h
delete mode 100644 libidn/toutf8.c
create mode 100644 resolv/tst-no-libidn2.c
create mode 100644 resolv/tst-resolv-ai_idn-common.c
create mode 100644 resolv/tst-resolv-ai_idn-latin1.c
create mode 100644 resolv/tst-resolv-ai_idn-nolibidn2.c
create mode 100644 resolv/tst-resolv-ai_idn.c
delete mode 100644 sysdeps/unix/inet/configure
delete mode 100644 sysdeps/unix/inet/configure.ac
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To: glibc-bugs@sourceware.org
Subject: [Bug network/19729] out of bounds heap read on invalid utf-8 inputs in stringprep_utf8_nfkc_normalize (CVE-2016-6263)
Date: Wed, 23 May 2018 13:31:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19729
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.28
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22247] Integer overflow in the decode_digit function in puny_decode.c in libidn (CVE-2017-14062)
Date: Wed, 23 May 2018 13:31:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|unspecified |2.28
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug network/19728] out of bounds stack read in libidn function idna_to_ascii_4i (CVE-2016-6261)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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>From glibc-bugs-return-41983-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 23 16:57:07 2018
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Subject: [Bug network/19729] out of bounds heap read on invalid utf-8 inputs in stringprep_utf8_nfkc_normalize (CVE-2016-6263)
Date: Wed, 23 May 2018 16:57:00 -0000
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--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If FIXED you presumably want to mark this bug (and 22247) as FIXED (and
set the milestone in the case of 22247).
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>From glibc-bugs-return-41985-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 23 16:58:33 2018
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Subject: [Bug network/22247] Integer overflow in the decode_digit function in puny_decode.c in libidn (CVE-2017-14062)
Date: Wed, 23 May 2018 16:58:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Target Milestone|--- |2.28
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>From glibc-bugs-return-41984-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 23 16:58:08 2018
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Subject: [Bug network/19729] out of bounds heap read on invalid utf-8 inputs in stringprep_utf8_nfkc_normalize (CVE-2016-6263)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to joseph@codesourcery.com from comment #5)
> If FIXED you presumably want to mark this bug (and 22247) as FIXED (and
> set the milestone in the case of 22247).
I thought I did that? But the Bugzilla updates took a very long time.
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>From glibc-bugs-return-41986-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 23 23:29:21 2018
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
Date: Wed, 23 May 2018 23:29:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
CC| |digitalfreak@lingonborough.
| |com
--- Comment #4 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
It looks to me that everything falls back to the default C (US English) locale.
Which means missing data rather than wrong data.
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>From glibc-bugs-return-41987-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 00:09:25 2018
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Subject: [Bug libc/2457] Allow control of automatic stdio buffering using env variables
Date: Thu, 24 May 2018 00:09:00 -0000
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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--- Comment #3 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
I agree that this is a debugging facility (not unlike MALLOC_CHECK_), that can
be very handy at times.
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>From glibc-bugs-return-41988-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 00:28:44 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23227] New: File close race in dlopen/dlsym causes "libgcc_s.so.1 must be installed for pthread_cancel to work"
Date: Thu, 24 May 2018 00:28:00 -0000
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Bug ID: 23227
Summary: File close race in dlopen/dlsym causes "libgcc_s.so.1
must be installed for pthread_cancel to work"
Product: glibc
Version: 2.23
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Created attachment 11042
--> https://sourceware.org/bugzilla/attachment.cgi?id=11042&action=edit
backtrace from original failure, simple reproducer, and patch
Issue with rsyslog aborting due to "libgcc_s.so.1 must be installed for
pthread_cancel to work" found in 7 day soak test. The file exists, and we did
not run low on memory as in bug 13119.
Google search provided a relevant hit, with discussion and a reproducer for a
similar failure at https://bugs.python.org/issue18748. The reproducer generally
fails in less than 30 seconds.
The issue is with a race between application closing a file descriptor, and
dlopen/dlsym using that descriptor for pthread_cancel in the nptl lib.
It appears that the problem is not able to be worked around in the application,
and that it needs to be addressed in the nptl lib.
I have attached the reproducer and a backtrace of the failure from rsyslogd.
A quick patch of glibc to retry dlopen/dlsym upon failure in
sysdeps/nptl/unwind-forcedunwind.c @@ pthread_cancel_init and
sysdeps/gnu/unwind-resume.c @@ __libgcc_s_init
fixes the issue. The patch is also attached.
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>From glibc-bugs-return-41989-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 07:31:13 2018
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Subject: [Bug time/16145] localtime_r etc holds lock via __tz_convert
Date: Thu, 24 May 2018 07:31:00 -0000
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Alexander Petrossian (PAF) <paf at yandex dot ru> changed:
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CC| |paf at yandex dot ru
--- Comment #11 from Alexander Petrossian (PAF) <paf at yandex dot ru> ---
Found this while analysing efficiency of one of our components:
[root@customer1rtc1 afpetros]# perf top -p $(pidof comp_SC_A)
6.47% libc-2.17.so [.] __offtime
4.40% [kernel] [k] _raw_spin_lock
2.09% libc-2.17.so [.] __tzset_parse_tz
1.97% libc-2.17.so [.] __tz_convert
1.61% libc-2.17.so [.] __tzfile_compute
1.52% libc-2.17.so [.] _IO_vfscanf
1.45% libc-2.17.so [.] parse_tzname
Please someone consider doing something about it.
Maybe it's possible to pre-cache things in tzset and access them in some
lockless way...
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>From glibc-bugs-return-41990-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 07:44:03 2018
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From: "rschiron at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Thu, 24 May 2018 07:44:00 -0000
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rschiron at redhat dot com changed:
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--- Comment #7 from rschiron at redhat dot com ---
While looking at the proposed patch, I was wondering: why is %rax needed at
all? It doesn't seem to be used anywhere, not in the
__mempcpy_avx512_no_vzeroupper function nor in the
__memmove_avx512_no_vzeroupper. I think it can be removed completely, since it
is just computed at the beginning of the two functions, without ever being
used.
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>From glibc-bugs-return-41991-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 07:46:10 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Thu, 24 May 2018 07:46:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to rschiron from comment #7)
> While looking at the proposed patch, I was wondering: why is %rax needed at
> all?
It's the return value of the function and the difference between memcpy and
mempcpy.
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>From glibc-bugs-return-41992-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 07:51:42 2018
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Subject: [Bug nptl/23227] File close race in dlopen/dlsym causes "libgcc_s.so.1 must be installed for pthread_cancel to work"
Date: Thu, 24 May 2018 07:51:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Does that mean that the application closes a file descriptor it doesn't own?
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>From glibc-bugs-return-41993-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 08:16:43 2018
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Thu, 24 May 2018 08:16:00 -0000
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--- Comment #9 from rschiron at redhat dot com ---
(In reply to Florian Weimer from comment #8)
> (In reply to rschiron from comment #7)
> > While looking at the proposed patch, I was wondering: why is %rax needed at
> > all?
>
> It's the return value of the function and the difference between memcpy and
> mempcpy.
Ops, that's right, thanks for pointing it out. I got mislead by the fact that
it wasn't used anywhere in the code.
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>From glibc-bugs-return-41994-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 08:34:25 2018
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Subject: [Bug nptl/23227] File close race in dlopen/dlsym causes "libgcc_s.so.1 must be installed for pthread_cancel to work"
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Created attachment 11043
--> https://sourceware.org/bugzilla/attachment.cgi?id=11043&action=edit
strace log
strace log
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>From glibc-bugs-return-41995-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 08:36:36 2018
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Subject: [Bug nptl/23227] File close race in dlopen/dlsym causes "libgcc_s.so.1 must be installed for pthread_cancel to work"
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I managed to reproduce this under strace. The problem is that the reproducer
closes fh twice, once in the __del__ method for the fh object itself, and once
via the object created by is.fdopen:
sys.stdout = os.fdopen(self.fh.fileno(), 'w')
…
sys.stdout.close()
That is of course invalid, and there is no way to defend against these kinds of
bugs.
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>From glibc-bugs-return-41996-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 10:08:12 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Thu, 24 May 2018 10:08:00 -0000
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--- Comment #24 from Soslan Khubulov <soslanx at gmail dot com> ---
(In reply to Rafal Luzynski from comment #23)
> Thank you for your review. alt_mon is currently capitalized in this patch.
> Did you mean anything different?
I meant mon. Sorry for that.
> BTW, what do you think about abbreviated month names? Currently in glibc we
> have all Ossetian month names abbreviated to 3 letters. CLDR [1] provides
> 3-4 letters plus a dot unless whole word is 3 or 4 letters long. As a
> consequence some "abbreviated" month names have their inflection visible:
> "Май" -> "майы", "Июнь" -> "июны" and so on. Also, the abbreviated
> standalone (nominative?) forms are all capitalized.
I think consistency is more important. If other locales in glibc use 3 letter
abbreviations then Ossetian locale should use 3 letters too. As for usability,
both styles are equally recognizable.
> While at this, what is the correct English name: Ossetian (Wikipedia says
> so) or Ossetic (CLDR says so)?
Both are correct, but IMO Ossetian is more modern.
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>From glibc-bugs-return-41997-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 11:35:12 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #25 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to Soslan Khubulov from comment #24)
> If other locales in glibc use 3 letter abbreviations [...]
That's not the case, see e.g. bug 192 and bug 22848. IMO use whichever is
grammatically correct / better / more typically used etc. in the given
language.
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>From glibc-bugs-return-41998-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 12:10:38 2018
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #26 from keld at keldix dot com <keld at keldix dot com> ---
On Thu, May 24, 2018 at 11:35:05AM +0000, egmont at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23140
>
> --- Comment #25 from Egmont Koblinger <egmont at gmail dot com> ---
> (In reply to Soslan Khubulov from comment #24)
>
> > If other locales in glibc use 3 letter abbreviations [...]
>
> That's not the case, see e.g. bug 192 and bug 22848. IMO use whichever is
> grammatically correct / better / more typically used etc. in the given
> language.
IMHO as we are speaking about POSIX locales, so we should use POSIX style
names, that
is, oriented towards POSIX utilities use. CLDR is not oriented towards POSIX
use.
Actually we should also allow for more grammatically oriented names.
But that should be new functionality, using new keywords. In that way we will
have POSIX functionality which is still functional
And I am still uncertain that what glibc is doing now is following the POSIX
standard.
POSIX has recently (within the last couple of years) adressed the genitive
month names problem,
in a way compatible with BSD. I have not yet gotten around to verifying that
glibc is
following POSIX here.
best regards
keld
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>From glibc-bugs-return-41999-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 13:07:41 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Thu, 24 May 2018 13:07:00 -0000
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commit 0cf8a53e5f2ce7f71787537cf206228727afe256
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f51c8367685dc888a02f7304c729ed5277904aff
commit f51c8367685dc888a02f7304c729ed5277904aff
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++++
NEWS | 7 +++
string/test-memcpy.c | 47 ++++++++++++++++++++
string/test-mempcpy.c | 1 +
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
5 files changed, 73 insertions(+), 2 deletions(-)
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>From glibc-bugs-return-42000-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 13:41:06 2018
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From: "tobias at ringis dot se" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23229] New: Realtime rwlock deadlock when writer has lower priority than readers
Date: Thu, 24 May 2018 13:41:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23229
Bug ID: 23229
Summary: Realtime rwlock deadlock when writer has lower
priority than readers
Product: glibc
Version: 2.29
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: tobias at ringis dot se
CC: drepper.fsp at gmail dot com
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Created attachment 11044
--> https://sourceware.org/bugzilla/attachment.cgi?id=11044&action=edit
Test program to reproduce the deadlock
The new rwlock implementation runs into a deadlock when using real-time
scheduling and the writer has lower priority than the writers.
Here's how the rwlock looks when deadlocked:
$7 = {__data = {__readers = 35, __writers = 0, __wrphase_futex = 0,
__writers_futex = 1, __pad3 = 0, __pad4 = 0, __flags = 0 '\000',
__shared = 0 '\000', __rwelision = 0 '\000', __pad2 = 0 '\000',
__cur_writer = 0}, __size = "#", '\000' <repeats 11 times>,
"\001", '\000' <repeats 18 times>, __align = 35}
I believe this is state #8 as documented in pthread_rwlock_common.c, and that
the deadlock is caused by the reader spinning waiting for the writer to
hand-over, but since the reader has higher priority than the writer, the writer
will never run. See the for(;;) on line 435 in pthread_rwlock_common.c.
To reproduce, compile and run the attached program rwlock-deadlock.c like this:
> sudo taskset --cpu-list 1 ./rwlock-deadlock
.no progress
Aborted
(It's not required to use a single core, but it makes it deadlock faster.)
I've confirmed this issue with glibc GIT as of today.
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>From glibc-bugs-return-42001-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 14:12:21 2018
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Subject: [Bug crypt/16814] RFE: Reconsider adding bcrypt (or scrypt) support
Date: Thu, 24 May 2018 14:12:00 -0000
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Daniel Kahn Gillmor <dkg at fifthhorseman dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dkg at fifthhorseman dot net
--- Comment #2 from Daniel Kahn Gillmor <dkg at fifthhorseman dot net> ---
Rich, your suggestion for the password-hashing daemon is pretty interesting,
but i'm not sure how you'd control/ration/audit access to it. it strikes me as
a relatively easy DoS vector for the machine as a whole, if the hashing is done
by a dedicated user account, which isn't tied directly back to any of the other
accounting systems.
fwiw, i agree that we should have something better than the sha-2-based digests
available. I'm not entirely sure why we should avoid heavyweight memory/cpu
access for those applications which need to hash passwords, though. if you
need to hash passwords responsibly, you need to do some work. most tools don't
do password-hashing, so we're not talking about adding this to arbitrary
systems.
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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commit 58ad5f8a646338b2ee3f2136336dcf731e97ab4d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6b4362f2cbb6ef6e265d9f216f3c13d84405a1c0
commit 6b4362f2cbb6ef6e265d9f216f3c13d84405a1c0
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++++
NEWS | 5 ++
string/test-memcpy.c | 47 ++++++++++++++++++++
string/test-mempcpy.c | 1 +
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
5 files changed, 71 insertions(+), 2 deletions(-)
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>From glibc-bugs-return-42003-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 24 14:26:06 2018
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Subject: [Bug crypt/16814] RFE: Reconsider adding bcrypt (or scrypt) support
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
We are going to support building glibc for use with an external libcrypt. Zack
Weinberg has posted patches:
https://sourceware.org/ml/libc-alpha/2018-05/msg00690.html
The external libcrypt can then implement whatever policies it wants, and
develop at a pace that is independent from glibc.
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See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1582224
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commit fb0e10b8eb1ebb68c57d4551f7a95118f3c54837
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon May 14 09:04:28 2018 -0300
Fix parameter type in C++ version of iseqsig (bug 23171)
The commit
commit c85e54ac6cef0faed7b7ffc722f52523dec59bf5
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Nov 3 10:44:36 2017 -0200
Provide a C++ version of iseqsig (bug 22377)
mistakenly used double parameters in the long double version of iseqsig,
thus causing spurious conversions to double, as reported on bug 23171.
Tested for powerpc64le and x86_64.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
math/math.h | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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Subject: [Bug math/22377] iseqsig, float128 and C++
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commit fb0e10b8eb1ebb68c57d4551f7a95118f3c54837
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon May 14 09:04:28 2018 -0300
Fix parameter type in C++ version of iseqsig (bug 23171)
The commit
commit c85e54ac6cef0faed7b7ffc722f52523dec59bf5
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Nov 3 10:44:36 2017 -0200
Provide a C++ version of iseqsig (bug 22377)
mistakenly used double parameters in the long double version of iseqsig,
thus causing spurious conversions to double, as reported on bug 23171.
Tested for powerpc64le and x86_64.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
math/math.h | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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Target Milestone|--- |2.28
--- Comment #4 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
Fixed for 2.28.
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Subject: [Bug network/22247] Integer overflow in the decode_digit function in puny_decode.c in libidn (CVE-2017-14062)
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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Marking FIXED.
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>From glibc-bugs-return-42009-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 05:38:41 2018
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Subject: [Bug libc/23231] New: glibc fails to follow collate order in ranges like [a-z]
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Bug ID: 23231
Summary: glibc fails to follow collate order in ranges like
[a-z]
Product: glibc
Version: unspecified
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>From glibc-bugs-return-42010-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 05:43:36 2018
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Subject: [Bug libc/23232] New: glibc fails to follow collate order in ranges like [a-z]
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https://sourceware.org/bugzilla/show_bug.cgi?id=23232
Bug ID: 23232
Summary: glibc fails to follow collate order in ranges like
[a-z]
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
First: Basic assumptions:
All the 96 ASCII printable characters (32 to 126, or 0x20 to 0x7e) are:
$ a=' !"#$%&'\''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ'
$ a=$a'[\]^_`abcdefghijklmnopqrstuvwxyz{|}~'
And are sorted in the collate order given by the locale in use with:
$ echo "$a" | grep -o . | sort | paste -sd ''
If the locale is C, then:
$ ( export LC_ALL=C ; echo "$a" | grep -o . | sort | paste -sd
'' )
!"#$%&'\''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ
[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
In the C locale, glibc (sed) follows the collate order:
$ ( export LC_ALL=C ; echo "$a" | sed 's/[^a-z]//g' )
abcdefghijklmnopqrstuvwxyz
In some other locale, like: en_US.utf8, the collate order (that seems to be
documented here: http://collation-charts.org/icu442/icu442-en.html) is:
$ ( export LC_ALL=en_US.utf8; echo "$a" | grep -o . | sort | paste -sd
"" )
`^~<=>| _-,;:!?/.'"()[]{}@$*\&#%+0123456789
aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ
The problem seems to be that glibc does not use such collate order:
$ ( export LC_ALL=en_US.utf8; echo "$a" | sed 's/[^a-d]//g' )
abcd
It should have been aAbBcCd if the same collate order as above were used.
It seems that glibc also limits the characters to be lowercase:
$ a='789aAáÃà ÀâÂåÅäÄãêæÆbBcCçÇdDðÃeEéÉèÈêÊëËf'
$ ( export LC_ALL=en_US.utf8; echo "$a" | sed 's/[^a-d]//g' )
aáà âåäãªæbcçd
And that only "Latin" characters are allowed (not Greek, not Cyrillic):
$ a='aAbBcCdDeEfFαβγδεζηθικλμνΰабвгдежзи'
$ ( export LC_ALL=en_US.utf8; echo "$a" | sed 's/[^a-d]//g' )
abcd
Mixed lowercase-uppecase ranges seem to allow all lowercase and then some
uppercase:
$ a='aAáÃà ÀâÂåÅäÄãêæÆbBcCçÇdDðÃeEéÉèÈêÊëËfFgGhHiIÃÃìÌîÎïÃjJ'
$ a=$a'kKlLmMnNñÑoOóÓòÒôÔöÖõÕøغpPqQrRsSßtTuUúÚùÙûÛüÜvVwWxXyYýÃÿzZ'
$ ( export LC_ALL=en_US.utf8; echo "$a" | sed 's/[^a-D]//g' )
aAáÃà ÀâÂåÅäÄãêæÆbBcCçÇdDðeéèêëfghiÃìîïjklmnñoóòôöõøºpqrsßtuúùûüvwxyýÿz
If this is the expected way in which glibc ranges should work:
- Where is it clearly documented?
If it is not:
- What should be the correct collation order to use?
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Subject: [Bug libc/23232] glibc fails to follow collate order in ranges like [a-z]
Date: Fri, 25 May 2018 05:59:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 23231 has been marked as a duplicate of this bug. ***
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https://sourceware.org/bugzilla/show_bug.cgi?id=23231
Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
Resolution|--- |DUPLICATE
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
.
*** This bug has been marked as a duplicate of bug 23232 ***
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>From glibc-bugs-return-42013-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 06:02:50 2018
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Subject: [Bug libc/23232] glibc fails to follow collate order in ranges like [a-z]
Date: Fri, 25 May 2018 06:02:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-42014-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 07:13:02 2018
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Subject: [Bug nptl/14092] Support C11 threads
Date: Fri, 25 May 2018 07:12:00 -0000
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Eric Herman <eric at freesa dot org> changed:
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--- Comment #7 from Eric Herman <eric at freesa dot org> ---
Consider Mesa:
https://cgit.freedesktop.org/mesa/mesa/tree/include/c11
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>From glibc-bugs-return-42015-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 09:37:37 2018
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From: "nixiaoming at huawei dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23233] New: Memory leak in build_charclass_op function in file posix/regcomp.c
Date: Fri, 25 May 2018 09:37:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23233
Bug ID: 23233
Summary: Memory leak in build_charclass_op function in file
posix/regcomp.c
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: regex
Assignee: unassigned at sourceware dot org
Reporter: nixiaoming at huawei dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11045
--> https://sourceware.org/bugzilla/attachment.cgi?id=11045&action=edit
patch for fix memleak
The original code fragment is as follows:
3049 sbcset = (re_bitset_ptr_t) calloc (sizeof (bitset_t), 1);
3050 #ifdef RE_ENABLE_I18N
3051 mbcset = (re_charset_t *) calloc (sizeof (re_charset_t), 1);
3052 #endif /* RE_ENABLE_I18N */
3053 #ifdef RE_ENABLE_I18N
3054 if (BE (sbcset == NULL || mbcset == NULL, 0))
3055 #else
3056 if (BE (sbcset == NULL, 0))
3057 #endif /* RE_ENABLE_I18N */
3058 {
3059 re_free (sbcset);
3060 #ifdef RE_ENABLE_I18N
3061 re_free (mbcset);
3062 #endif
3063 *err = REG_ESPACE;
3064 return NULL;
3065 }
..........
.........
3580 static bin_tree_t *
3581 build_charclass_op (re_dfa_t *dfa, RE_TRANSLATE_TYPE trans,
3582 const unsigned char *class_name,
3583 const unsigned char *extra, int non_match,
3584 reg_errcode_t *err)
3585 {
3586 re_bitset_ptr_t sbcset;
3587 #ifdef RE_ENABLE_I18N
3588 re_charset_t *mbcset;
3589 int alloc = 0;
3590 #endif /* not RE_ENABLE_I18N */
3591 reg_errcode_t ret;
3592 re_token_t br_token;
3593 bin_tree_t *tree;
3594
3595 sbcset = (re_bitset_ptr_t) calloc (sizeof (bitset_t), 1);
3596 #ifdef RE_ENABLE_I18N
3597 mbcset = (re_charset_t *) calloc (sizeof (re_charset_t), 1);
3598 #endif /* RE_ENABLE_I18N */
3599
3600 #ifdef RE_ENABLE_I18N
3601 if (BE (sbcset == NULL || mbcset == NULL, 0))
3602 #else /* not RE_ENABLE_I18N */
3603 if (BE (sbcset == NULL, 0))
3604 #endif /* not RE_ENABLE_I18N */
3605 {
3606 *err = REG_ESPACE;
3607 return NULL;
3608 }
In RE_ENABLE_I18N case
If sbcset == NULL && mbcset != NULL, no memory is freed at line 3607, resulting
in a memory leak
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>From glibc-bugs-return-42016-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 09:51:09 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23233] Memory leak in build_charclass_op function in file posix/regcomp.c
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-42017-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 14:33:21 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23236] New: Harden function pointers in _IO_str_fields
Date: Fri, 25 May 2018 14:33:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23236
Bug ID: 23236
Summary: Harden function pointers in _IO_str_fields
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
This is discussed here:
https://dhavalkapil.com/blogs/FILE-Structure-Exploitation/
http://blog.rh0gue.com/2017-12-31-34c3ctf-300/
The function pointers are only ever initialized to malloc and free (or they are
NULL), so I think we can call these functions directly, with perhaps very
little impact on backwards compatibility.
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>From glibc-bugs-return-42018-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 14:33:22 2018
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Subject: [Bug stdio/20191] libio: vtables hardening
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Florian Weimer <fweimer at redhat dot com> changed:
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See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23236
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>From glibc-bugs-return-42019-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 14:54:23 2018
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
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Florian Weimer <fweimer at redhat dot com> changed:
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Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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>From glibc-bugs-return-42020-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 15:49:17 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug regex/23232] glibc fails to follow collate order in ranges like [a-z]
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
See bug 12045 and bug 12051.
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>From glibc-bugs-return-42021-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 18:56:02 2018
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From: "Arfrever.FTA at GMail dot Com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23239] New: elf/tst-latepthread test fails with GCC 8.1.0
Date: Fri, 25 May 2018 18:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23239
Bug ID: 23239
Summary: elf/tst-latepthread test fails with GCC 8.1.0
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: Arfrever.FTA at GMail dot Com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
glibc 2.27 (with some patches backported in Gentoo), Binutils 2.30.
With GCC 7.3.0, I get 2 test failures.
With GCC 8.1.0, I get 3 test failures.
The test which passes with GCC 7.3.0 and fails with GCC 8.1.0 is
elf/tst-latepthread.
There are no recent changes in
https://sourceware.org/git/?p=glibc.git;a=history;f=elf/tst-latepthread.c;hb=HEAD
so probably this problem was not fixed in newer versions of glibc.
elf/tst-latepthread.test-result contains:
FAIL: elf/tst-latepthread
original exit status 1
elf/tst-latepthread.out contains:
info: exit status: 139, message:
error: message does not contain expected string
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>From glibc-bugs-return-42022-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 21:58:21 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23240] New: LD_PRELOAD doesn't work with LD_BIND_NOW and IFUC
Date: Fri, 25 May 2018 21:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23240
Bug ID: 23240
Summary: LD_PRELOAD doesn't work with LD_BIND_NOW and IFUC
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: x86_64-*-*, i?86-*-*
[hjl@gnu-cfl-1 ifunc-2]$ cat main.c
extern void bar (char *, const char *, unsigned int);
int
main ()
{
char dst[50];
const char src[] =
{
"This is a test"
};
bar (dst, src, sizeof (src));
if (__builtin_memcmp (dst, src, sizeof (src)) != 0)
__builtin_abort ();
return 0;
}
[hjl@gnu-cfl-1 ifunc-2]$ cat foo.c
extern void bar (char *dst, const char *src, unsigned int);
void
foo (char *dst, const char *src, unsigned int size)
{
bar (dst, src, size);
}
[hjl@gnu-cfl-1 ifunc-2]$ cat memmove.c
#include <stddef.h>
void *
my_memmove(void *dst_p, const void *src_p, size_t n)
{
const char *src = src_p;
char *dst = dst_p;
char *ret = dst;
if (src < dst)
{
dst += n;
src += n;
while (n--)
*--dst = *--src;
}
else
while (n--)
*dst++ = *src++;
return ret;
}
void *memmove (void *, const void *, size_t)
__attribute__ ((ifunc ("resolve_memmove")));
typedef void *(*memmove_t) (void *, const void *, size_t);
static memmove_t
resolve_memmove (void)
{
return my_memmove;
}
[hjl@gnu-cfl-1 ifunc-2]$ make
gcc -O2 -g -c -o main.o main.c
gcc -O2 -g -fPIC -c -o bar.o bar.c
gcc -shared -o libbar.so bar.o
gcc -o x main.o libbar.so -Wl,-R,.
gcc -O2 -g -fPIC -c -o memmove.o memmove.c
gcc -shared -o libmemmove.so memmove.o
./x
LD_PRELOAD=./libmemmove.so ./x
LD_PRELOAD=./libmemmove.so LD_BIND_NOW=1 ./x
./x: Relink `./libbar.so' with `./libmemmove.so' for IFUNC symbol `memmove'
make: *** [Makefile:29: all] Segmentation fault
[hjl@gnu-cfl-1 ifunc-2]$
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>From glibc-bugs-return-42023-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 22:02:04 2018
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
Date: Fri, 25 May 2018 22:02:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|LD_PRELOAD doesn't work |LD_PRELOAD doesn't work
|with LD_BIND_NOW and IFUC |with non-lazy binding and
| |IFUNC
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>From glibc-bugs-return-42026-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 22:03:41 2018
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
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What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=21041
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>From glibc-bugs-return-42024-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri May 25 22:03:15 2018
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
Date: Fri, 25 May 2018 22:03:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
This is the well-known issue caused by the interaction of IFUNC resolvers and
symbol interposition.
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Subject: [Bug dynamic-link/21041] IFUNC system/longjmp in libpthread.so are unsafe
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What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23240
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Add missing bar.c:
[hjl@gnu-cfl-1 ifunc-2]$ cat bar.c
void
bar (char *dst, const char *src, unsigned int size)
{
__builtin_memmove (dst, src, size);
}
[hjl@gnu-cfl-1 ifunc-2]$
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
Date: Fri, 25 May 2018 22:06:00 -0000
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--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> This is the well-known issue caused by the interaction of IFUNC resolvers
> and symbol interposition.
My DT_FLAGS_2 and DF_2_GNU_IFUNC proposal:
https://sourceware.org/ml/binutils/2018-05/msg00264.html
tries to address this.
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
Date: Fri, 25 May 2018 22:07:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Previous patch (which needs more development work):
https://sourceware.org/ml/libc-alpha/2017-01/msg00468.html
A single flag cannot solve this issue.
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Sat, 26 May 2018 12:23:00 -0000
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--- Comment #27 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Soslan Khubulov from comment #24)
> (In reply to Rafal Luzynski from comment #23)
> > Thank you for your review. alt_mon is currently capitalized in this patch.
> > Did you mean anything different?
>
> I meant mon. Sorry for that.
Locale data should follow the grammar rules of respective languages. Are there
rules in Ossetian which say that the month name should always be capitalized,
like in English, German and few more languages? This page:
https://os.wikipedia.org/wiki/26_%D0%BC%D0%B0%D0%B9%D1%8B says "26 майы" which
is lowercase. If this is correct then mon should be lowercase, same as CLDR
provides. Uppercasing alt_mon is not obligatory but both glibc and CLDR
provide so and I will not change it without need.
> > BTW, what do you think about abbreviated month names? Currently in glibc we
> > have all Ossetian month names abbreviated to 3 letters. CLDR [1] provides
> > 3-4 letters plus a dot unless whole word is 3 or 4 letters long. As a
> > consequence some "abbreviated" month names have their inflection visible:
> > "Май" -> "майы", "Июнь" -> "июны" and so on. Also, the abbreviated
> > standalone (nominative?) forms are all capitalized.
>
> I think consistency is more important. If other locales in glibc use 3
> letter abbreviations then Ossetian locale should use 3 letters too. As for
> usability, both styles are equally recognizable.
There is no requirement that they should be 3 letters. Some languages follow
that rule, some do not. But if this is recognizable then I will not change it
unless you request.
> > While at this, what is the correct English name: Ossetian (Wikipedia says
> > so) or Ossetic (CLDR says so)?
>
> Both are correct, but IMO Ossetian is more modern.
I will not change it for now, either.
(In reply to Egmont Koblinger from comment #25)
> [...]
> That's not the case, see e.g. bug 192 and bug 22848. IMO use whichever is
> grammatically correct / better / more typically used etc. in the given
> language.
I fully agree, the locale data should follow the grammar rules.
(In reply to keld@keldix.com from comment #26)
> [...]
> IMHO as we are speaking about POSIX locales, so we should use POSIX style
> names, that
> is, oriented towards POSIX utilities use. CLDR is not oriented towards POSIX
> use.
I don't remember where I read this but someone wrote that those POSIX rules
apply to English language, not to other languages. POSIX authors are not aware
of every language in the world, therefore the rules are occasionally amended to
support more languages.
> [...]
> And I am still uncertain that what glibc is doing now is following the POSIX
> standard.
> POSIX has recently (within the last couple of years) adressed the genitive
> month names problem,
> in a way compatible with BSD. I have not yet gotten around to verifying that
> glibc is
> following POSIX here.
If you mean the bug 10871 then in a part which refers to the full month names
it strictly follows the rules of BSD, also follows the update which has been
accepted by POSIX in 2010 but not yet published. Therefore until it is
published we call it "GNU extension" rather than "POSIX compatible".
Regarding the part which refers to the abbreviated month names the rules are
similar but nobody except glibc so far implemented or proposed it. POSIX has
been asked to accept this as part of their standard but it may take another 10
years. For now we call it a genuine GNU extension. :-)
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #28 from keld at keldix dot com <keld at keldix dot com> ---
On Sat, May 26, 2018 at 12:23:09PM +0000, digitalfreak at lingonborough dot com
wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23140
> (In reply to keld@keldix.com from comment #26)
> > [...]
> > IMHO as we are speaking about POSIX locales, so we should use POSIX style
> > names, that
> > is, oriented towards POSIX utilities use. CLDR is not oriented towards POSIX
> > use.
>
> I don't remember where I read this but someone wrote that those POSIX rules
> apply to English language, not to other languages. POSIX authors are not aware
> of every language in the world, therefore the rules are occasionally amended to
> support more languages.
Well,I have been around with POSIX locales for a long time, more than 25 years,
and the
locales were always meant to be it support anything else than English.
So many other languages have these rules. POSIX authors at that time, including
myself,
were quite aware of the requirements for many languages - but not for all.
This is still the case, POSIX i18n authors don't know everything in the world,
but we are getting better.
> > [...]
> > And I am still uncertain that what glibc is doing now is following the POSIX
> > standard.
> > POSIX has recently (within the last couple of years) adressed the genitive
> > month names problem,
> > in a way compatible with BSD. I have not yet gotten around to verifying that
> > glibc is
> > following POSIX here.
>
> If you mean the bug 10871 then in a part which refers to the full month names
> it strictly follows the rules of BSD, also follows the update which has been
> accepted by POSIX in 2010 but not yet published. Therefore until it is
> published we call it "GNU extension" rather than "POSIX compatible".
>
> Regarding the part which refers to the abbreviated month names the rules are
> similar but nobody except glibc so far implemented or proposed it. POSIX has
> been asked to accept this as part of their standard but it may take another 10
> years. For now we call it a genuine GNU extension. :-)
I agree that POSIX may be slow sometimes. As said, it is my plan to check up on
this.
Best regards
keld
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--- Comment #29 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to keld@keldix.com from comment #28)
> [...]
> Well,I have been around with POSIX locales for a long time, more than 25
> years, and the
> locales were always meant to be it support anything else than English.
> So many other languages have these rules. POSIX authors at that time,
> including myself,
> were quite aware of the requirements for many languages - but not for all.
> This is still the case, POSIX i18n authors don't know everything in the
> world, but we are getting better.
I appreciate your work. I did not mean you are totally unaware but not aware
of every language because this is impossible. In this context we are
discussing Ossetian language.
>
> > [...] POSIX has
> > been asked to accept this as part of their standard but it may take another 10
> > years. For now we call it a genuine GNU extension. :-)
>
> I agree that POSIX may be slow sometimes. As said, it is my plan to check up
> on this.
>
> Best regards
> keld
Thank you. Links:
http://austingroupbugs.net/view.php?id=258
http://austingroupbugs.net/view.php?id=1166
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>From glibc-bugs-return-42037-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun May 27 17:28:54 2018
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From: "iamwoot at protonmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23241] New: CWE-377 - Insecure Temporary File.
Date: Sun, 27 May 2018 17:28:00 -0000
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Bug ID: 23241
Summary: CWE-377 - Insecure Temporary File.
Product: glibc
Version: 2.29
Status: UNCONFIRMED
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Hi Team,
We observed that /glibc-2.27/nptl/tst-cancel4.c#L671
i.e
TEST_VERIFY_EXIT (mktemp (sun.sun_path) != NULL);
Temporary file race condition, where creating and using insecure temporary
files can leave application and system data vulnerable to attack.
Request you to please have a look and advise for same.
Thank you
Team w00t
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
There is no race condition because the output of mktemp is used with bind (with
AF_UNIX), which does not follow symbolic links.
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Subject: [Bug regex/23233] Memory leak in build_charclass_op function in file posix/regcomp.c
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Do you have a short reproducer that exhibits the memory leak?
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>From glibc-bugs-return-42040-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon May 28 09:41:09 2018
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted:
https://sourceware.org/ml/libc-alpha/2018-05/msg00808.html
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Subject: [Bug regex/23233] Memory leak in build_charclass_op function in file posix/regcomp.c
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--- Comment #2 from nixiaoming <nixiaoming at huawei dot com> ---
(In reply to Florian Weimer from comment #1)
> Do you have a short reproducer that exhibits the memory leak?
No
I just found there may be a problem during the code review
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Subject: [Bug dynamic-link/23206] static-pie + dlopen breaks debugger interaction
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--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
The d82c7e2f4180e2d56ca66e3620dc344b0d72ca94 patch appears to fix everything:
Reading symbols from ./a.out...done.
(gdb) set stop-on-solib-events 1
(gdb) run
Starting program: /tmp/bz23206/a.out
Stopped due to shared library event (no libraries added or removed)
(gdb) c
Continuing.
Stopped due to shared library event:
Inferior loaded ./libfoo.so
/lib64/libc.so.6
/lib64/ld-linux-x86-64.so.2
(gdb) info shared
>From To Syms Read Shared Object Library
0x00007ffff7b4e550 0x00007ffff7b4e622 Yes ./libfoo.so
0x00007ffff77b0340 0x00007ffff78f725f Yes /lib64/libc.so.6
0x00007ffff7567f60 0x00007ffff7584910 Yes /lib64/ld-linux-x86-64.so.2
(gdb) c
Continuing.
DT_DEBUG: 0x7ffff7ffe8c0
Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 return ret;
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff77b0561 in __GI_abort () at abort.c:79
#2 0x00007ffff7b4e612 in bar () at foo.c:5
#3 0x00007ffff7b4e61b in foo () at foo.c:11
#4 0x00007ffff7d58e7c in main () at t.c:20
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Subject: [Bug dynamic-link/23206] static-pie + dlopen breaks debugger interaction
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f7b5d8ded77db90c1fbfeaaeb3d58b6db84da47
commit 7f7b5d8ded77db90c1fbfeaaeb3d58b6db84da47
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue May 29 06:33:42 2018 -0700
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
This is needed to support debugging dlopened shared libraries in static
PIE.
[BZ #23206]
* elf/dl-reloc-static-pie.c (_dl_relocate_static_pie): Initialize
_r_debug and update DT_DEBUG for debugger.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
elf/dl-reloc-static-pie.c | 16 ++++++++++++++++
2 files changed, 22 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23206] static-pie + dlopen breaks debugger interaction
Date: Tue, 29 May 2018 14:37:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Version|unspecified |2.27
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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>From glibc-bugs-return-42045-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 08:25:51 2018
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From: "david.bolvansky at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23246] New: Noexcept fot cstdio
Date: Wed, 30 May 2018 08:25:00 -0000
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Bug ID: 23246
Summary: Noexcept fot cstdio
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: david.bolvansky at gmail dot com
CC: drepper.fsp at gmail dot com
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Hello,
#include <cstdio>
void f()
{
puts("throwing");
throw 1;
}
int main()
{
try {
f();
} catch (int i) {
puts("catch");
}
return 0;
}
GCC 8.1 with -03
f():
sub rsp, 8
mov edi, OFFSET FLAT:.LC0
call puts
mov edi, 4
call __cxa_allocate_exception
xor edx, edx
mov esi, OFFSET FLAT:typeinfo for int
mov DWORD PTR [rax], 1
mov rdi, rax
call __cxa_throw
.LC1:
.string "catch"
main:
push rbx
call f() <----- why not inlined? if I added static or online, it worked
mov rdi, rax
jmp .L5
main.cold.0:
.L5:
sub rdx, 1
je .L6
.L13:
call _Unwind_Resume
.L6:
call __cxa_begin_catch
mov edi, OFFSET FLAT:.LC1
call puts
call __cxa_end_catch
xor eax, eax
pop rbx
ret
mov rbx, rax
call __cxa_end_catch <------ why double end_catch? puts cannot throw
mov rdi, rbx
jmp .L13
Seems like since puts has no noexcept, a redundant code is generated to handle
"puts throwing"?
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>From glibc-bugs-return-42046-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 08:35:21 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23246] Noexcept fot cstdio
Date: Wed, 30 May 2018 08:35:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
If you want to report a compiler bug you should use
<https://gcc.gnu.org/bugzilla>.
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>From glibc-bugs-return-42047-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 09:13:34 2018
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From: "clyon at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22766] all glibc internal dlopen should use RTLD_NOW for robust dlopen failures
Date: Wed, 30 May 2018 09:13:00 -0000
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Christophe Lyon <clyon at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |clyon at gcc dot gnu.org
--- Comment #3 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Hello,
We are facing this problem when running toolchain validations using glibc-2.27
on systems with older glibc.
We see 'sudo' failing as described in http://patchwork.ozlabs.org/patch/859168/
Is this patch going to be backported to glibc-2.27 branch?
If not, what workaround can we use? Would
LD_BIND_NOW=true sudo XXXX
do the trick?
Thanks
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>From glibc-bugs-return-42048-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 10:04:28 2018
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From: "nszabolcs at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22766] all glibc internal dlopen should use RTLD_NOW for robust dlopen failures
Date: Wed, 30 May 2018 10:04:00 -0000
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--- Comment #4 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
(In reply to Christophe Lyon from comment #3)
> We are facing this problem when running toolchain validations using
> glibc-2.27 on systems with older glibc.
> We see 'sudo' failing as described in
> http://patchwork.ozlabs.org/patch/859168/
>
> Is this patch going to be backported to glibc-2.27 branch?
>
> If not, what workaround can we use? Would
> LD_BIND_NOW=true sudo XXXX
> do the trick?
possible workarounds i can think of:
- change 'passwd: compat' to 'passwd: files' in /etc/nsswitch.conf
- remove old libnss_nis* before installing the new libc over an old install
- run executables that use nss with LD_BIND_NOW=1 (this won't work on setuid
binaries so i don't think it helps sudo)
- edit the libnss_nis* elf files to have DF_BIND_NOW set in DT_FLAGS
- backport this patch.
i.e. make sure old libnss_nis.so is not loaded or if loaded it is with bind now
(so the dlopen fails because of missing undefined function symbol).
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>From glibc-bugs-return-42049-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 11:16:01 2018
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From: "linux at carewolf dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23249] New: Glibc is deliberately crippling non-Intel x64 CPUs
Date: Wed, 30 May 2018 11:16:00 -0000
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Bug ID: 23249
Summary: Glibc is deliberately crippling non-Intel x64 CPUs
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: linux at carewolf dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Recently a "haswell" sub-arch was introduced to be similar to the old i686
subarch for x86. It is documented as requiring BMI1, BMI2, LZCNT, MOVBE,
POPCNT, AVX2 and FMA, but undocumented also checks the CPU is an Intel CPU
before using the faster paths.
Considering this is very similar to the old scandal of the Intel compiler, I
would suggest glibc fixes that before it becomes public knowledge.
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>From glibc-bugs-return-42050-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 14:40:58 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/23250] New: Offset of __private_ss mismatch with GCC
Date: Wed, 30 May 2018 14:40:00 -0000
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Bug ID: 23250
Summary: Offset of __private_ss mismatch with GCC
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: i*86-pc-linux-gnu
sysdeps/i386/nptl/tls.h has
typedef struct
{
void *tcb; /* Pointer to the TCB. Not necessarily the
thread descriptor used by libpthread. */
dtv_t *dtv;
void *self; /* Pointer to the thread descriptor. */
int multiple_threads;
uintptr_t sysinfo;
uintptr_t stack_guard;
uintptr_t pointer_guard;
int gscope_flag;
int __glibc_reserved1;
/* Reservation of some values for the TM ABI. */
void *__private_tm[4];
/* GCC split stack support. */
void *__private_ss;
} tcbhead_t;
The offset of __private_ss is 0x34. But GCC defines
/* We steal the last transactional memory word. */
#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30
and libgcc/config/i386/morestack.S has
cmpl %gs:0x30,%eax # See if we have enough space.
movl %eax,%gs:0x30 # Save the new stack boundary.
movl %eax,%gs:0x30 # Save the new stack boundary.
movl %ecx,%gs:0x30 # Save new stack boundary.
movl %eax,%gs:0x30
movl %gs:0x30,%eax
movl %eax,%gs:0x30
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>From glibc-bugs-return-42051-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 14:41:30 2018
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Subject: [Bug nptl/23250] Offset of __private_ss differs from GCC
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Offset of __private_ss |Offset of __private_ss
|mismatch with GCC |differs from GCC
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>From glibc-bugs-return-42052-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed May 30 16:28:58 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23239] elf/tst-latepthread test fails with GCC 8.1.0
Date: Wed, 30 May 2018 16:28:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Arfrever Frehtes Taifersar Arahesis from comment #0)
> glibc 2.27 (with some patches backported in Gentoo), Binutils 2.30.
> With GCC 7.3.0, I get 2 test failures.
> With GCC 8.1.0, I get 3 test failures.
> The test which passes with GCC 7.3.0 and fails with GCC 8.1.0 is
> elf/tst-latepthread.
>
> There are no recent changes in
> https://sourceware.org/git/?p=glibc.git;a=history;f=elf/tst-latepthread.c;
> hb=HEAD so probably this problem was not fixed in newer versions of glibc.
>
>
> elf/tst-latepthread.test-result contains:
> FAIL: elf/tst-latepthread
> original exit status 1
>
>
> elf/tst-latepthread.out contains:
> info: exit status: 139, message:
> error: message does not contain expected string
Can you build with --enable-hardcoded-paths-in-tests, and then try to debug the
test that is failing and see where it fails?
The 139 is a SIGSEGV which is surprising, but might be a compiler bug. I
haven't seen this test fail.
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>From glibc-bugs-return-42053-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 31 11:23:50 2018
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Subject: [Bug libc/23246] Noexcept fot cstdio
Date: Thu, 31 May 2018 11:23:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
puts is a cancellation point and can therefore throw exceptions.
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Subject: [Bug libc/23249] Glibc is deliberately crippling non-Intel x64 CPUs
Date: Thu, 31 May 2018 11:27:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
We fix performance issues as they are identified, see bug 19467 for an example.
However, changes in this area require a deep understanding of CPU architecture
(and, preferably, future plans, so that deployed code does not take a
performance hit when switching to newer CPUs). Just because something is
implemented at the instruction set level doesn't mean the implementation is
efficient. For example, the first CPU generation with wider vector registers
often still uses old, narrower execution units, so not using the wider
registers can be more efficient.
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Subject: [Bug nss/18991] nss_files skips large entry in database
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--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #7)
> I think I have a proper fix:
>
> https://sourceware.org/ml/libc-alpha/2017-09/msg00122.html
DJ reviewed this fix. Are we considering fixing this?
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #8)
> (In reply to Florian Weimer from comment #7)
> > I think I have a proper fix:
> >
> > https://sourceware.org/ml/libc-alpha/2017-09/msg00122.html
>
> DJ reviewed this fix. Are we considering fixing this?
It needs a new internal libio function, which has still not made it into the
library.
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>From glibc-bugs-return-42057-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu May 31 14:49:00 2018
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Subject: [Bug libc/23249] Glibc is deliberately crippling non-Intel x64 CPUs
Date: Thu, 31 May 2018 14:49:00 -0000
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--- Comment #2 from Allan Jensen <linux at carewolf dot com> ---
What does that comment have to do with the fact that you are providing the
optimized path to all Intel CPUs including future ones if they implement the
necessary extensions, but deliberately do not give AMD processors the same fast
path?
Current gen AMD cpus are more likely to benefit from Haswell optimized binaries
than some future Intel chip, or mobile Intel chip.
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Subject: [Bug libc/23249] Glibc is deliberately crippling non-Intel x64 CPUs
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--- Comment #3 from Allan Jensen <linux at carewolf dot com> ---
And please note that I am talking about the picking up of 3rdparty libraries
would potentially to use this new sub-arch dir 'lib64/haswell', I am not
talking about glibc internal CPU scheduling which is completely separate and
very much optimized for every arch.
It is a specific line of code that is wrong here cpu_features.c:400.
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e8a6346cd3da2d88bbad745a1769260d36f2783
commit 4e8a6346cd3da2d88bbad745a1769260d36f2783
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jun 1 10:41:03 2018 +0200
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
These unmangled function pointers reside on the heap and could
be targeted by exploit writers, effectively bypassing libio vtable
validation. Instead, we ignore these pointers and always call
malloc or free.
In theory, this is a backwards-incompatible change, but using the
global heap instead of the user-supplied callback functions should
have little application impact. (The old libstdc++ implementation
exposed this functionality via a public, undocumented constructor
in its strstreambuf class.)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++++++++++++++
debug/vasprintf_chk.c | 4 ++--
libio/memstream.c | 4 ++--
libio/strfile.h | 11 +++++------
libio/strops.c | 14 ++++++--------
libio/vasprintf.c | 4 ++--
libio/wmemstream.c | 4 ++--
libio/wstrops.c | 16 ++++++----------
8 files changed, 49 insertions(+), 32 deletions(-)
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
Date: Fri, 01 Jun 2018 08:42:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23249] Glibc is deliberately crippling non-Intel x64 CPUs
Date: Fri, 01 Jun 2018 09:04:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Okay, fell free to bring this up on libc-alpha. Let's see what the Intel and
AMD maintainers think.
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0262507918cfad7223bf81b8f162b7adc7a2af01
commit 0262507918cfad7223bf81b8f162b7adc7a2af01
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jun 1 10:43:06 2018 +0200
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
These unmangled function pointers reside on the heap and could
be targeted by exploit writers, effectively bypassing libio vtable
validation. Instead, we ignore these pointers and always call
malloc or free.
In theory, this is a backwards-incompatible change, but using the
global heap instead of the user-supplied callback functions should
have little application impact. (The old libstdc++ implementation
exposed this functionality via a public, undocumented constructor
in its strstreambuf class.)
(cherry picked from commit 4e8a6346cd3da2d88bbad745a1769260d36f2783)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++++++++++++++
NEWS | 1 +
debug/vasprintf_chk.c | 4 ++--
libio/memstream.c | 4 ++--
libio/strfile.h | 11 +++++------
libio/strops.c | 14 ++++++--------
libio/vasprintf.c | 4 ++--
libio/wmemstream.c | 4 ++--
libio/wstrops.c | 16 ++++++----------
9 files changed, 50 insertions(+), 32 deletions(-)
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
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commit 7b52c8ae05340c795654d23a0e7a2590a3e23bd2
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jun 1 11:24:58 2018 +0200
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
These unmangled function pointers reside on the heap and could
be targeted by exploit writers, effectively bypassing libio vtable
validation. Instead, we ignore these pointers and always call
malloc or free.
In theory, this is a backwards-incompatible change, but using the
global heap instead of the user-supplied callback functions should
have little application impact. (The old libstdc++ implementation
exposed this functionality via a public, undocumented constructor
in its strstreambuf class.)
(cherry picked from commit 4e8a6346cd3da2d88bbad745a1769260d36f2783)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++++++++++++++
NEWS | 1 +
debug/vasprintf_chk.c | 4 ++--
libio/memstream.c | 4 ++--
libio/strfile.h | 11 +++++------
libio/strops.c | 14 ++++++--------
libio/vasprintf.c | 4 ++--
libio/wmemstream.c | 4 ++--
libio/wstrops.c | 16 ++++++----------
9 files changed, 50 insertions(+), 32 deletions(-)
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug network/23166] Stray exported sunrpc objects even if Sun RPC is disabled
Date: Fri, 01 Jun 2018 16:50:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
--
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22947] FAIL: misc/tst-preadvwritev2
Date: Fri, 01 Jun 2018 16:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22947
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22918] multiple common of `__nss_shadow_database'
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22918
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22932] lt_LT: Update of abbreviated month names from CLDR required
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22932
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20419
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23037] initialize msg_flags to zero for sendmmsg() calls
Date: Fri, 01 Jun 2018 16:51:00 -0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Version: 2.27
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X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
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https://sourceware.org/bugzilla/show_bug.cgi?id=23037
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/17343] Signed integer overflow in /stdlib/random_r.c
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17343
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Fri, 01 Jun 2018 16:51:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
--
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To: glibc-bugs@sourceware.org
Subject: [Bug time/22735] Misleading typo in time.h source comment regarding CLOCKS_PER_SECOND
Date: Fri, 01 Jun 2018 16:51:00 -0000
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X-Bugzilla-Resolution: FIXED
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https://sourceware.org/bugzilla/show_bug.cgi?id=22735
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX (CVE-2018-11236)
Date: Fri, 01 Jun 2018 16:51:00 -0000
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X-Bugzilla-Resolution: FIXED
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https://sourceware.org/bugzilla/show_bug.cgi?id=22786
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22937] Greek (el_GR, el_CY) locales actually need ab_alt_mon
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22937
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21269] i386 sigaction sa_restorer handling is wrong
Date: Fri, 01 Jun 2018 16:51:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
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X-Bugzilla-Assigned-To: adhemerval.zanella at linaro dot org
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https://sourceware.org/bugzilla/show_bug.cgi?id=21269
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22963] cs_CZ: Add alternative month names
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22963
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22848] ca_ES: update date definitions from CLDR
Date: Fri, 01 Jun 2018 16:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22848
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/22342] NSCD not properly caching netgroup
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22342
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug math/22884] RISCV fmax/fmin handle signalling NANs incorrectly
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22884
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23069] sigaction broken on riscv64-linux-gnu
Date: Fri, 01 Jun 2018 16:52:00 -0000
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X-Bugzilla-Resolution: FIXED
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X-Bugzilla-Target-Milestone: 2.28
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https://sourceware.org/bugzilla/show_bug.cgi?id=23069
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22919] sparc32: backtrace yields infinite backtrace with makecontext
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22919
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold (CVE-2017-18269)
Date: Fri, 01 Jun 2018 16:52:00 -0000
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X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
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Message-ID: <bug-22644-131-hpV9IKbVqn@http.sourceware.org/bugzilla/>
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References: <bug-22644-131@http.sourceware.org/bugzilla/>
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https://sourceware.org/bugzilla/show_bug.cgi?id=22644
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22517] et_EE LC_COLLATE does not use copy "iso14651_t1"
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22517
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22433] linux x86/x86_64 <sys/ptrace.h> does not provide PTRACE_GET_THREAD_AREA (and more)
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22433
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22926] FTBFS on powerpcspe
Date: Fri, 01 Jun 2018 16:52:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=22926
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23137
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug manual/6889] 'PWD' mentioned but not specified
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=6889
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/23005] Crash in __res_context_send after memory allocation failure
Date: Fri, 01 Jun 2018 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23005
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22827] RISC-V ELF64 parser mis-reads flag in ldconfig
Date: Fri, 01 Jun 2018 16:52:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: glibc
X-Bugzilla-Component: dynamic-link
X-Bugzilla-Version: 2.27
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: dj at redhat dot com
X-Bugzilla-Target-Milestone: 2.28
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https://sourceware.org/bugzilla/show_bug.cgi?id=22827
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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To: glibc-bugs@sourceware.org
Subject: [Bug glob/22818] posix/tst-glob_lstat_compat failure on alpha
Date: Fri, 01 Jun 2018 16:52:00 -0000
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X-Bugzilla-Resolution: FIXED
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https://sourceware.org/bugzilla/show_bug.cgi?id=22818
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58285b4cc9d07c71a9ce7b1f93d35a2369c63055
commit 58285b4cc9d07c71a9ce7b1f93d35a2369c63055
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 15:50:29 2018 +0200
NEWS: Move security-lated changes before bug list
This matches the practice for previous releases.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e97bf39fb5423b93a8a4790a01177eb2ffccbf39
commit e97bf39fb5423b93a8a4790a01177eb2ffccbf39
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 14:41:57 2018 +0200
Add references to CVE-2018-11236, CVE-2017-18269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4220a967def932bd946c33a1734ff6a554b3570f
commit 4220a967def932bd946c33a1734ff6a554b3570f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 23 03:59:56 2018 -0700
Add a test case for [BZ #23196]
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
(cherry picked from commit ed983107bbc62245b06b99f02e69acf36a0baa3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f079ef9e9336190685ec311eb3fd44a8a5370c2a
commit f079ef9e9336190685ec311eb3fd44a8a5370c2a
Author: Andreas Schwab <schwab@suse.de>
Date: Thu May 24 14:39:18 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b28a36636a16769aa36981eeba4036436d36c10
commit 7b28a36636a16769aa36981eeba4036436d36c10
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue May 15 08:21:11 2018 +0200
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
This is needed to avoid a warning when linking against libtirpc:
/lib64/libc.so.6: warning: common of `rpc_createerr@@TIRPC_0.3.0'
overridden by definition
/usr/lib64/libtirpc.so: warning: defined here
This ld warning is not enabled by default; -Wl,--warn-common enables it.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 89aacb513eb77549a29df2638913a0f8178cf3f5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5993d874500e0f8d717c6533713b277fade7a233
commit 5993d874500e0f8d717c6533713b277fade7a233
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed May 9 03:06:32 2018 +0200
gd_GB: Fix typo in abbreviated "May" (bug 23152).
[BZ #23152]
* localedata/locales/gd_GB (abmon): Fix typo in May:
"Mhà rt" -> "Cèit". Adjust the comment according to the change.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit bb066cb806dfe55511cf2fb59bf013751152608f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66f687a7a610e834866eeab1a6cc9e396a096b41
commit 66f687a7a610e834866eeab1a6cc9e396a096b41
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu May 10 10:56:25 2018 +0000
NEWS: add entries for bugs 17343, 20419, 22644, 22786, 22884, 22947, 23005,
23037, 23069, 23137
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0904223cec6cddac5ea7e88b1836b7d52b86d5b2
commit 0904223cec6cddac5ea7e88b1836b7d52b86d5b2
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix path length overflow in realpath [BZ #22786]
Integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
commit 80fc8dd4937ec2d3c175217e09e69e2125a9f5d8
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat May 5 18:08:27 2018 -0700
Fix stack overflow with huge PT_NOTE segment [BZ #20419]
A PT_NOTE in a binary could be arbitratily large, so using alloca
for it may cause stack overflow. If the note is larger than
__MAX_ALLOCA_CUTOFF, use dynamically allocated memory to read it in.
2018-05-05 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #20419]
* elf/dl-load.c (open_verify): Fix stack overflow.
* elf/Makefile (tst-big-note): New test.
* elf/tst-big-note-lib.S: New.
* elf/tst-big-note.c: New.
(cherry picked from commit 0065aaaaae51cd60210ec3a7e13dddd8e01ffe2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34672a317613f76101f37e7dddcf7d793115e2a1
commit 34672a317613f76101f37e7dddcf7d793115e2a1
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Fri May 4 10:00:59 2018 +0200
Fix blocking pthread_join. [BZ #23137]
On s390 (31bit) if glibc is build with -Os, pthread_join sometimes
blocks indefinitely. This is e.g. observable with
testcase intl/tst-gettext6.
pthread_join is calling lll_wait_tid(tid), which performs the futex-wait
syscall in a loop as long as tid != 0 (thread is alive).
On s390 (and build with -Os), tid is loaded from memory before
comparing against zero and then the tid is loaded a second time
in order to pass it to the futex-wait-syscall.
If the thread exits in between, then the futex-wait-syscall is
called with the value zero and it waits until a futex-wake occurs.
As the thread is already exited, there won't be a futex-wake.
In lll_wait_tid, the tid is stored to the local variable __tid,
which is then used as argument for the futex-wait-syscall.
But unfortunately the compiler is allowed to reload the value
from memory.
With this patch, the tid is loaded with atomic_load_acquire.
Then the compiler is not allowed to reload the value for __tid from memory.
ChangeLog:
[BZ #23137]
* sysdeps/nptl/lowlevellock.h (lll_wait_tid):
Use atomic_load_acquire to load __tid.
(cherry picked from commit 1660901840dfc9fde6c5720a32f901af6f08f00a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
commit a6bc03771e48ae9cc5ef2bcc7e632291d8e11138
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Apr 24 12:11:35 2018 +0000
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux
4.16 to all relevant sys/ptrace.h files. A type struct
__ptrace_seccomp_metadata, analogous to other such types, is also
added.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/unix/sysv/linux/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): New enum value and macro.
* sysdeps/unix/sysv/linux/bits/ptrace-shared.h
(struct __ptrace_seccomp_metadata): New type.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ptrace.h
(PTRACE_SECCOMP_GET_METADATA): Likewise.
(cherry picked from commit 9320ca88a197d3620d3553ccc2d9402d981d7e23)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06f7d0f59b7c3a60109d655532f0c1e1dcb88557
commit 06f7d0f59b7c3a60109d655532f0c1e1dcb88557
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 9 10:08:07 2018 +0200
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
(cherry picked from commit 583a27d525ae189bdfaa6784021b92a9a1dae12e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5507e2bee631494bcc6c020630b15d49eb88b77a
commit 5507e2bee631494bcc6c020630b15d49eb88b77a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:52:19 2018 +0200
manual: Various fixes to the mbstouwcs example, and mbrtowc update
The example did not work because the null byte was not converted, and
mbrtowc was called with a zero-length input string. This results in a
(size_t) -2 return value, so the function always returns NULL.
The size computation for the heap allocation of the result was
incorrect because it did not deal with integer overflow.
Error checking was missing, and the allocated memory was not freed on
error paths. All error returns now set errno. (Note that there is an
assumption that free does not clobber errno.)
The slightly unportable comparision against (size_t) -2 to catch both
(size_t) -1 and (size_t) -2 return values is gone as well.
A null wide character needs to be stored in the result explicitly, to
terminate it.
The description in the manual is updated to deal with these finer
points. The (size_t) -2 behavior (consuming the input bytes) matches
what is specified in ISO C11.
(cherry picked from commit cf138b0c83b3210990b29772e2af5982fb0e3c26)
(cherry picked from commit 690c3475f1417c99cb0fc69f35d77560c24c1d69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d587be985e976eda954201a45704172ce283174e
commit d587be985e976eda954201a45704172ce283174e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Apr 5 12:50:58 2018 +0200
manual: Move mbstouwcs to an example C file
(cherry picked from commit 0f339252697e6dcfc9e00be6cd8272d4260b90d2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
commit 0d1e9400204e4f7e5329f4a83f7bb0ebafd74d94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Apr 3 12:19:20 2018 -0700
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
(cherry picked from commit f2652643d7234c08205b75f527191c2e2b35251f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a623f013e029b6166656bb6782d10187c7e1306
commit 9a623f013e029b6166656bb6782d10187c7e1306
Author: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue Mar 27 21:17:59 2018 +0000
getlogin_r: return early when linux sentinel value is set
When there is no login uid Linux sets /proc/self/loginid to the sentinel
value of, (uid_t) -1. If this is set we can return early and avoid
needlessly looking up the sentinel value in any configured nss
databases.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Return
early when linux sentinel value is set.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit cc8a1620eb97ccddd337d157263c13c57b39ab71)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbc2d059052bd127619bcf58e287809fcb5e87
commit 91bbc2d059052bd127619bcf58e287809fcb5e87
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=570e56dd2016da6f905018319562b609d3a4988a
commit 570e56dd2016da6f905018319562b609d3a4988a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Mar 20 18:25:24 2018 +0000
Fix signed integer overflow in random_r (bug 17343).
Bug 17343 reports that stdlib/random_r.c has code with undefined
behavior because of signed integer overflow on int32_t. This patch
changes the code so that the possibly overflowing computations use
unsigned arithmetic instead.
Note that the bug report refers to "Most code" in that file. The
places changed in this patch are the only ones I found where I think
such overflow can occur.
Tested for x86_64 and x86.
[BZ #17343]
* stdlib/random_r.c (__random_r): Use unsigned arithmetic for
possibly overflowing computations.
(cherry picked from commit 8a07b0c43c46a480da070efd53a2720195e2256f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388a08e4e05ba8e709ec31eb17f34d6286e873df
commit 388a08e4e05ba8e709ec31eb17f34d6286e873df
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Apr 26 22:21:13 2018 +0200
Add tst-sigaction.c to test BZ #23069
This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.
Changelog:
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
(cherry picked from commit 7a6f74787132aca8e3809cae8d9e7bc7bfd55ce1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
commit d0980fb402121d53ecaa8ebf02b3ed5a1aa4092b
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Apr 28 13:13:43 2018 +0200
RISC-V: fix struct kernel_sigaction to match the kernel version [BZ #23069]
The RISC-V kernel doesn't define SA_RESTORER, hence the kernel version
of struct sigaction doesn't have the sa_restorer field. The default
kernel_sigaction.h therefore can't be used.
This patch adds a RISC-V specific version of kernel_sigaction.h to fix
the issue. This fixes for example the libnih testsuite.
Note that this patch is not needed in master as the bug has been fixed
by commit b4a5d26d8835 ("linux: Consolidate sigaction implementation").
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11834e2985afaf724e4dc264c945e29fab8db27a
commit 11834e2985afaf724e4dc264c945e29fab8db27a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Mar 29 11:42:24 2018 +0200
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
In addition to SIGSEGV and SIGILL, SIGBUS is also a possible signal
generated by the kernel.
(cherry picked from commit 4d76d3e59d31aa690f148fc0c95cc0c581aed3e8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ddad91260fbad4c0db9c005056d2d280d9353f
commit 04ddad91260fbad4c0db9c005056d2d280d9353f
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c51e08fc2be944c592216d127ba4d09af17aba7
commit 5c51e08fc2be944c592216d127ba4d09af17aba7
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 23 16:08:08 2018 -0500
Update ChangeLog for BZ 22884 - riscv fmax/fmin
(cherry picked from commit 7e04eb2932d3126c721ee2bc0d664a5bbea2f41f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
commit d630d6ca1878ce62596e6b5dc69ce66ca698a9f5
Author: Andrew Waterman <andrew@sifive.com>
Date: Thu Feb 22 14:31:54 2018 -0500
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
RISC-V's fmax(sNAN,4) returns 4 but glibc expects it to return qNAN.
* sysdeps/riscv/rvd/s_fmax.c (__fmax): Handle sNaNs correctly.
* sysdeps/riscv/rvd/s_fmin.c (__fmin): Likewise.
* sysdeps/riscv/rvf/s_fmaxf.c (__fmaxf): Likewise.
* sysdeps/riscv/rvf/s_fminf.c (__fminf): Likewise.
(cherry picked from commit fdcc625376505eacb1125a6aeba57501407a30ec)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e99a36233bb1f07bf0739ce737885c6e6327455
commit 7e99a36233bb1f07bf0739ce737885c6e6327455
Author: DJ Delorie <dj@redhat.com>
Date: Thu Feb 22 14:28:47 2018 -0500
RISC-V: Do not initialize $gp in TLS macros.
RISC-V TLS doesn't require GP to be initialized, and doing so breaks
TLS in a shared object.
(cherry picked from commit 8090720a87e42fddc31396f6126112d4b8014d8e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
commit deaa1650c3d9843e622fa8ac37e7c7adc5f54a17
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 15 03:29:07 2018 +0100
NEWS: Add entries for bugs: 22848, 22932, 22937, 22963.
Alternative (nominative/genitive) month names have been added to the
Catalan and Czech locale data and the abbreviated alternative names to
Catalan and Greek.
(cherry picked from commit c553cd6f7e939ae4ef62b52b3c55fbe76dddecee)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b692351d53711c5d913304ebbd17b6cfa70d5dae
commit b692351d53711c5d913304ebbd17b6cfa70d5dae
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Oct 17 22:06:11 2016 +0200
cs_CZ locale: Add alternative month names (bug 22963).
Add alternative month names, primary month names are genitive now.
[BZ #22963]
* localedata/locales/cs_CZ (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 807fee29d2c967e24e3fe05e2182ba53e96e9178)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111b25997956d561e056dd44aec5e08b89121a41
commit 111b25997956d561e056dd44aec5e08b89121a41
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:45:04 2018 +0100
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
As spotted by GNOME translation team, Greek language has the actually
visible difference between the abbreviated nominative and the abbreviated
genitive case for some month names. Examples:
May:
abbreviated nominative: "Μάι" -> abbreviated genitive: "ΜαÎ"
July:
abbreviated nominative: "ΙοÏν" -> abbreviated genitive: "Ιουλ"
and more month names with similar differences.
Original discussion: https://bugzilla.gnome.org/show_bug.cgi?id=793645#c21
[BZ #22937]
* localedata/locales/el_CY (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
* localedata/locales/el_GR (abmon): Rename to...
(ab_alt_mon): This.
(abmon): Import from CLDR (abbreviated genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e7155a28ef61f240da156e1cea410b61afca14ad)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
commit c50dad5e2e3b7c0cf1e388d47f692ee26803b20b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Mar 8 00:38:18 2018 +0100
lt_LT locale: Update abbreviated month names (bug 22932).
A GNOME translator asked to use the same abbreviated month names
as provided by CLDR. This sounds reasonable. See the discussion:
https://bugzilla.gnome.org/show_bug.cgi?id=793645#c27
[BZ #22932]
* localedata/locales/lt_LT (abmon): Synchronize with CLDR.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 71d7b121686f6d91cd5a630dcfb72197b5d8284a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f161d38c0d2044f2f73184f023d9af4b52921e9
commit 7f161d38c0d2044f2f73184f023d9af4b52921e9
Author: Robert Buj <robert.buj@gmail.com>
Date: Tue Mar 6 22:51:29 2018 +0100
ca_ES locale: Update LC_TIME (bug 22848).
Add/fix alternative month names, long & short formats, am_pm,
abday settings, and improve indentation for Catalan.
[BZ #22848]
* localedata/locales/ca_ES (abmon): Rename to...
(ab_alt_mon): This, then synchronize with CLDR (nominative case).
(mon): Rename to...
(alt_mon): This.
(abmon): Import from CLDR (genitive case, month names preceded by
"de" or "d’").
(mon): Likewise.
(abday): Synchronize with CLDR.
(d_t_fmt): Likewise.
(d_fmt): Likewise.
(am_pm): Likewise.
(LC_TIME): Improve indentation.
(LC_TELEPHONE): Likewise.
(LC_NAME): Likewise.
(LC_ADDRESS): Likewise.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit a00bffe8b531693d3b26c1e87afe4b9eac84474c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a245488c51d9e524a0dc9590dc634ed350333bc
commit 5a245488c51d9e524a0dc9590dc634ed350333bc
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon Mar 12 13:24:46 2018 +0000
Update translations from the Translation Project
* po/pt_BR.po: Update translations.
(cherry picked from commit 778f1974863d63e858b6d0105e41d6f0c30732d3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=faa8fc12a7d97cf69fe85405957f3c5448840e2b
commit faa8fc12a7d97cf69fe85405957f3c5448840e2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 17 16:04:29 2017 -0200
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
This patch fixes the i386 sa_restorer field initialization for sigaction
syscall for kernel with vDSO. As described in bug report, i386 Linux
(and compat on x86_64) interprets SA_RESTORER clear with nonzero
sa_restorer as a request for stack switching if the SS segment is 'funny'.
This means that anything that tries to mix glibc's signal handling with
segmentation (for instance through modify_ldt syscall) is randomly broken
depending on what values lands in sa_restorer.
The testcase added is based on Linux test
tools/testing/selftests/x86/ldt_gdt.c,
more specifically in do_multicpu_tests function. The main changes are:
- C11 atomics instead of plain access.
- Remove x86_64 support which simplifies the syscall handling and
fallbacks.
- Replicate only the test required to trigger the issue.
Checked on i686-linux-gnu.
[BZ #21269]
* sysdeps/unix/sysv/linux/i386/Makefile (tests): Add tst-bz21269.
* sysdeps/unix/sysv/linux/i386/sigaction.c (SET_SA_RESTORER): Clear
sa_restorer for vDSO case.
* sysdeps/unix/sysv/linux/i386/tst-bz21269.c: New file.
(cherry picked from commit 68448be208ee06e76665918b37b0a57e3e00c8b4)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de736b2c5b3658049a4b78a34441b915431c0993
commit de736b2c5b3658049a4b78a34441b915431c0993
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Mar 2 23:07:14 2018 +0100
Fix multiple definitions of __nss_*_database (bug 22918)
(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=727e0f42a5ede3d31ad46fd40529845e186ac5e0
commit 727e0f42a5ede3d31ad46fd40529845e186ac5e0
Author: DJ Delorie <dj@redhat.com>
Date: Thu Mar 1 23:20:45 2018 -0500
[BZ #22342] Fix netgroup cache keys.
Unlike other nscd caches, the netgroup cache contains two types of
records - those for "iterate through a netgroup" (i.e. setnetgrent())
and those for "is this user in this netgroup" (i.e. innetgr()),
i.e. full and partial records. The timeout code assumes these records
have the same key for the group name, so that the collection of records
that is "this netgroup" can be expired as a unit.
However, the keys are not the same, as the in-netgroup key is generated
by nscd rather than being passed to it from elsewhere, and is generated
without the trailing NUL. All other keys have the trailing NUL, and as
noted in the linked BZ, debug statements confirm that two keys for the
same netgroup are added to the cache with two different lengths.
The result of this is that as records in the cache expire, the purge
code only cleans out one of the two types of entries, resulting in
stale, possibly incorrect, and possibly inconsistent cache data.
The patch simply includes the existing NUL in the computation for the
key length ('key' points to the char after the NUL, and 'group' to the
first char of the group, so 'key-group' includes the first char to the
NUL, inclusive).
[BZ #22342]
* nscd/netgroupcache.c (addinnetgrX): Include trailing NUL in
key value.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 1c81d55fc4b07b51adf68558ba74ce975153e580)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=115693040b3e6a342bd2eac31aa469cbc1764c76
commit 115693040b3e6a342bd2eac31aa469cbc1764c76
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat Feb 10 23:19:32 2018 +0000
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Tested with strace.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
(cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75c302f5fabd722c1c1d5c7d8b2174f1554f6159
commit 75c302f5fabd722c1c1d5c7d8b2174f1554f6159
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Mon Feb 26 10:40:17 2018 -0300
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
Linux ptrace headers define macros whose tokens conflict with the
constants of enum __ptrace_request causing build errors when
asm/ptrace.h or linux/ptrace.h are included before sys/ptrace.h.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
macros used in __ptrace_request.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
(cherry picked from commit 398c6fddafcee2dc4c2b2574417a2d0cfccaeec1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6a002b866533c3a04cdcf71e1e9e8d340369a24
commit d6a002b866533c3a04cdcf71e1e9e8d340369a24
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Feb 19 21:59:30 2018 +0100
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
[BZ #22517]
* localedata/locales/et_EE (LC_COLLATE): add missing “reorder-endâ€
(cherry picked from commit 7ec5f9465e732e668d0dc94ac078ba68056d6d0a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=147d851e7771e5629c5bd4ba1c9faaa67382aaad
commit 147d851e7771e5629c5bd4ba1c9faaa67382aaad
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Feb 21 04:00:03 2018 -0800
Fix a typo in a comment.
* io/fcntl.h: Fix a typo in a comment.
(cherry picked from commit 0d217f4082473e5fdca87831df928dd525a02f72)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
commit c05e47a2a96536fa21b65f5bf89cb8aea5329e9f
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 04:32:35 2018 -0800
manual: Update the _ISOC99_SOURCE description.
The current description refers to ISO C99 not being widely adopted,
which it is believed to be now.
* manual/creature.texi (_ISOC99_SOURCE): Update the dated
description.
(cherry picked from commit e8d190b9ed81a1b342f0969bc2b5505403183bce)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9508cd18693431441cbe3cc81aff70bca36d5252
commit 9508cd18693431441cbe3cc81aff70bca36d5252
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Mon Feb 19 03:30:06 2018 -0800
manual: Document missing feature test macros.
Several feature test macros are documented in features.h but absent in
the manual, and some documented macros accept undocumented values.
This commit updates the manual to mention all the accepted macros,
along with any values that hold special meaning.
* manual/creature.texi (_POSIX_C_SOURCE): Document special
values of 199606L, 200112L, and 200809L.
(_XOPEN_SOURCE): Document special values of 600 and 700.
(_ISOC11_SOURCE): Document macro.
(_ATFILE_SOURCE): Likewise.
(_FORTIFY_SOURCE): Likewise.
(cherry picked from commit 6a3962c4a408e8cbc305d2433711196107374e89)
(cherry picked from commit da81ae645d8ee89052f109c814a68a9489f562e6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50955ed038f2b360b2376099cb08c1f6479cf7e0
commit 50955ed038f2b360b2376099cb08c1f6479cf7e0
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu Mar 8 23:30:56 2018 +0000
NEWS: add entries for bugs 22919 and 22926
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9df5f71202294d36825efb8dbd8f14f56b6cdd3d
commit 9df5f71202294d36825efb8dbd8f14f56b6cdd3d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Mar 9 00:14:27 2018 +0100
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
On sparc32 tst-makecontext fails, as backtrace called within a context
created by makecontext to yield infinite backtrace.
Fix that the same way than nios2 by adding a nop just before
__startcontext. This is needed as otherwise FDE lookup just repeatedly
finds __setcontext's FDE in an infinite loop, due to the convention of
using 'address - 1' for FDE lookup.
Changelog:
[BZ #22919]
* sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S (__startcontext):
Add nop before __startcontext, add explaining comments.
(cherry picked from commit 9aa5c222b9e0409143410a02b6364a3b25dbf028)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3373d567d8778c182a087769a49644d600c49dd7
commit 3373d567d8778c182a087769a49644d600c49dd7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Mar 5 14:46:24 2018 -0300
powerpc: Fix TLE build for SPE (BZ #22926)
Some SPE opcodes clashes with some recent PowerISA opcodes and
until recently gas did not complain about it. However binutils
recently changed it and now VLE configured gas does not support to
assembler some instruction that might class with VLE (HTM for
instance). It also does not help that glibc build hardware lock
elision support as default (regardless of assembler support).
Although runtime will not actually enables TLE on SPE hardware
(since kernel will not advertise it), I see little advantage on
adding HTM support on SPE built glibc. SPE uses an incompatible
ABI which does not allow share the same build with default
powerpc and HTM code slows down SPE without any benefict.
This patch fixes it by only building HTM when SPE configuration
is not used.
Checked with a powerpc-linux-gnuspe build. I also did some sniff
tests on a e500 hardware without any issue.
[BZ #22926]
* sysdeps/powerpc/powerpc32/sysdep.h (ABORT_TRANSACTION_IMPL): Define
empty for __SPE__.
* sysdeps/powerpc/sysdep.h (ABORT_TRANSACTION): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c (__lll_lock_elision):
Do not build hardware transactional code for __SPE__.
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
(__lll_trylock_elision): Likewise.
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
(__lll_unlock_elision): Likewise.
Cherry-pick from e921c89e01389161c036ec09112da6e18aeaa688.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e95a3edfc573c5be815e4ca043d667b8a2d3d51
commit 3e95a3edfc573c5be815e4ca043d667b8a2d3d51
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:47:20 2018 -0800
manual: Improve documentation of get_current_dir_name. [BZ #6889]
This is a minor rewording to clarify the behaviour of
get_current_dir_name. Additionally, the @vindex is moved above the
@deftypefun so that following links give a better result with regard
to context.
[BZ #6889]
* manual/filesys.texi (get_current_dir_name): Clarify
behaviour.
(cherry picked from commit 7d15ef84f50a80cb170f8ce3457010f59e221cb8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1641c5840fcbb10be1aa4e22d93e813c1f955571
commit 1641c5840fcbb10be1aa4e22d93e813c1f955571
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Fri Feb 16 08:21:47 2018 -0800
manual: Fix a syntax error.
The opening parenthesis for function arguments in an @deftypefun need
to be separated from the function name. This isn't just a matter of
the GNU coding style---it causes the "(void" (in this case) to be
rendered as a part of the function name, causing a visual defect, and
also results in a warning to the following effect during `make pdf':
Warning: unbalanced parentheses in @def...)
* manual/platform.texi (__riscv_flush_icache): Fix @deftypefun
syntax.
(cherry picked from commit 16efad5171ac1ac2c8728405f2703045f08c494b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
commit c87a0f31c7d992aa1a95cb3f10e3e6e7d6f30279
Author: Rical Jasan <ricaljasan@pacific.net>
Date: Wed Jan 24 01:03:38 2018 -0800
manual: Fix Texinfo warnings about improper node names.
A number of cross-references to the GCC info manual cause Texinfo
warnings; e.g.:
./creature.texi:11: warning: @xref node name should not contain `.'
This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
argument. Changing it to "gcc" removes these warnings. (Manually
confirmed equivalent behaviour for make info, html, and pdf.)
* manual/creature.texi: Convert references to gcc.info to gcc.
* manual/stdio.texi: Likewise.
* manual/string.texi: Likewise.
(cherry picked from commit 1f6676d7da1b7c864e9a5d59fe9162a88bd21952)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e633191c3faa6505ba540a530ceedc72d8742f5d
commit e633191c3faa6505ba540a530ceedc72d8742f5d
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sun Feb 18 18:23:14 2018 +0100
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
The tst-glob_lstat_compat test needs to run tests on the previous
version of glob. On alpha, there are three versions of glob, GLIBC_2.0,
GLIBC_2.1 and GLIBC_2.27, while on other architectures there are only
the GLIBC_2.0 and GLIBC_2.27 version. Therefore on alpha the previous
version is GLIBC_2.1 and not GLIBC_2.0.
Changelog:
[BZ #22818]
* posix/tst-glob_lstat_compat.c [__alpha__] (glob): Access
the GLIBC_2.1 version.
(cherry picked from commit f8d79582896c52cc2b50bdd030a3ec27ef23b587)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbd879419016a46326585f7e71b8358c4e2bd01a
commit cbd879419016a46326585f7e71b8358c4e2bd01a
Author: Sean McKean <smckean83@gmail.com>
Date: Fri Feb 2 11:59:31 2018 +0100
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
(cherry picked from commit 09e56b9e18f987105e39768f907db800e9330930)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95cd1f5ef1eb88bce454249ada22a69abfb1509e
commit 95cd1f5ef1eb88bce454249ada22a69abfb1509e
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Fri Dec 29 23:19:32 2017 +0000
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
Remove compat-specific constants that were never exported by kernel
headers under these names. Before linux commit v3.7-rc1~16^2~1 they
were exported with COMPAT_ prefix, and since that commit they are not
exported at all.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request):
Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS,
and PTRACE_SETHBPREGS.
(cherry picked from commit 2fd4bbaa1446f1be700e10c526cf585a796c4991)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d56ea9f2dcbe99517477d821639fc233c158288c
commit d56ea9f2dcbe99517477d821639fc233c158288c
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue Feb 6 09:31:30 2018 +0000
NEWS: add an entry for bug 22827
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=071630d89e28b427158334f0f0a115f32b4fa728
commit 071630d89e28b427158334f0f0a115f32b4fa728
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 14 14:03:13 2018 -0200
Update SH libm-tests-ulps
* sysdeps/sh/libm-test-ulps: Update.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c4b147b782db578a5fe0e928c35869e196ddcc
commit 82c4b147b782db578a5fe0e928c35869e196ddcc
Author: DJ Delorie <dj@redhat.com>
Date: Fri Feb 9 18:37:15 2018 -0500
[RISC-V] Fix parsing flags in ELF64 files.
When ldconfig reads Elf64 files to determine the ABI, it used the
Elf32 type, so read the wrong location, and stored the wrong ABI
type in the cache, making the cache useless. This patch uses
an Elf64 type for Elf64 objects instead.
Note that pre-patch caches might need to be manually removed and
regenerated to get the correct ABIs stored.
[BZ #22827]
* sysdeps/unix/sysv/linux/riscv/readelflib.c (process_elf_file): Use
64-bit ELF type for 64-bit ELF objects.
(cherry picked from commit 6a1ff640dcec04905d8518983ad6252d38b7a733)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 338 +
NEWS | 50 +
bits/uio-ext.h | 1 +
elf/Makefile | 9 +-
elf/dl-load.c | 21 +-
elf/tst-big-note-lib.S | 26 +
elf/tst-big-note.c | 26 +
include/rpc/clnt.h | 1 +
include/rpc/svc.h | 4 +
io/fcntl.h | 2 +-
localedata/locales/ca_ES | 111 +-
localedata/locales/cs_CZ | 15 +-
localedata/locales/el_CY | 8 +-
localedata/locales/el_GR | 8 +-
localedata/locales/et_EE | 2 +
localedata/locales/gd_GB | 4 +-
localedata/locales/lt_LT | 12 +-
manual/charset.texi | 94 +-
manual/creature.texi | 48 +-
manual/examples/mbstouwcs.c | 53 +
manual/filesys.texi | 17 +-
manual/llio.texi | 3 +
manual/platform.texi | 2 +-
manual/stdio.texi | 8 +-
manual/string.texi | 2 +-
misc/tst-preadvwritev2-common.c | 6 +-
nscd/gai.c | 3 +
nscd/netgroupcache.c | 2 +-
nss/nsswitch.c | 2 +-
nss/nsswitch.h | 8 +-
po/pt_BR.po | 9194 +++++++++++++-------
posix/tst-glob_lstat_compat.c | 7 +
posix/tst-rfc3484-2.c | 1 +
posix/tst-rfc3484-3.c | 1 +
posix/tst-rfc3484.c | 1 +
resolv/res_send.c | 45 +-
signal/Makefile | 2 +-
signal/tst-sigaction.c | 56 +
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/random_r.c | 9 +-
stdlib/test-bz22786.c | 90 +
string/test-memcpy.c | 47 +
string/test-memmove.c | 58 +
string/test-mempcpy.c | 1 +
sunrpc/rpc_common.c | 15 +-
sunrpc/svcauth_des.c | 13 +-
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 +-
sysdeps/nptl/lowlevellock.h | 13 +-
sysdeps/powerpc/powerpc32/sysdep.h | 2 +-
sysdeps/powerpc/sysdep.h | 2 +-
sysdeps/riscv/rvd/s_fmax.c | 11 +-
sysdeps/riscv/rvd/s_fmin.c | 11 +-
sysdeps/riscv/rvf/s_fmaxf.c | 11 +-
sysdeps/riscv/rvf/s_fminf.c | 11 +-
sysdeps/riscv/tls-macros.h | 20 +-
sysdeps/sh/libm-test-ulps | 493 +-
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h | 14 +-
sysdeps/unix/sysv/linux/arm/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/bits/ptrace-shared.h | 7 +
sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 +
sysdeps/unix/sysv/linux/getlogin_r.c | 9 +
sysdeps/unix/sysv/linux/i386/Makefile | 3 +
sysdeps/unix/sysv/linux/i386/sigaction.c | 3 +-
sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 235 +
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/powerpc/elision-lock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-trylock.c | 2 +
sysdeps/unix/sysv/linux/powerpc/elision-unlock.c | 4 +
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 112 +-
sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h | 7 +
sysdeps/unix/sysv/linux/riscv/readelflib.c | 3 +-
sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S | 13 +
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/tile/sys/ptrace.h | 6 +-
sysdeps/unix/sysv/linux/x86/sys/ptrace.h | 6 +-
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
time/time.h | 2 +-
80 files changed, 8068 insertions(+), 3411 deletions(-)
create mode 100644 elf/tst-big-note-lib.S
create mode 100644 elf/tst-big-note.c
create mode 100644 manual/examples/mbstouwcs.c
create mode 100644 signal/tst-sigaction.c
create mode 100644 stdlib/test-bz22786.c
create mode 100644 sysdeps/unix/sysv/linux/i386/tst-bz21269.c
create mode 100644 sysdeps/unix/sysv/linux/riscv/kernel_sigaction.h
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug soft-fp/18473] [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat symbols
Date: Fri, 01 Jun 2018 17:26:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d2163ebf2fbedda09fdebe33243441d89f68b05
commit 0d2163ebf2fbedda09fdebe33243441d89f68b05
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Jun 1 17:25:12 2018 +0000
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
powerpc-nofpu libc exports __sqrtsf2 and __sqrtdf2 symbols. The
export of these soft-fp symbols is a mistake; they aren't part of the
libgcc interface and GCC will never generate code that calls them.
This patch makes them into compat symbols (no code built for static
libc), moving their sources from the generic soft-fp sources to
sysdeps/powerpc/nofpu (the underlying soft-fp FP_SQRT functionality
remains of use to implement actual sqrt public interfaces, such as
sqrtl / sqrtf128 for which it is used on various platforms, but
__sqrt[sdt]f2 are not such interfaces).
Tested with build-many-glibcs.py for relevant platforms.
[BZ #18473]
* soft-fp/sqrttf2.c: Remove file.
* soft-fp/sqrtdf2.c: Move to ....
* sysdeps/powerpc/nofpu/sqrtdf2.c: ... here. Include
<shlib-compat.h>.
(__sqrtdf2): Make conditional on
[SHLIB_COMPAT (libc, GLIBC_2_3_2, GLIBC_2_28)]. Define as compat
symbol.
* soft-fp/sqrtsf2.c: Move to ....
* sysdeps/powerpc/nofpu/sqrtsf2.c: ... here. Include
<shlib-compat.h>.
(__sqrtsf2): Make conditional on
[SHLIB_COMPAT (libc, GLIBC_2_3_2, GLIBC_2_28)]. Define as compat
symbol.
* soft-fp/Makefile (gcc-single-routines): Remove sqrtsf2.
(gcc-double-routines): Remove sqrtdf2.
(gcc-quad-routines): Remove sqrttf2.
* sysdeps/nios2/Makefile [$(subdir) = soft-fp] (sysdep_routines):
Do not filter out sqrtsf2 and sqrtdf2.
* sysdeps/powerpc/nofpu/Makefile [$(subdir) = soft-fp]
(sysdep_routines): Add sqrtsf2 and sqrtdf2.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++
soft-fp/Makefile | 6 ++--
soft-fp/sqrttf2.c | 49 --------------------------
sysdeps/nios2/Makefile | 3 +-
sysdeps/powerpc/nofpu/Makefile | 1 +
{soft-fp => sysdeps/powerpc/nofpu}/sqrtdf2.c | 4 ++
{soft-fp => sysdeps/powerpc/nofpu}/sqrtsf2.c | 4 ++
7 files changed, 37 insertions(+), 54 deletions(-)
delete mode 100644 soft-fp/sqrttf2.c
rename {soft-fp => sysdeps/powerpc/nofpu}/sqrtdf2.c (92%)
rename {soft-fp => sysdeps/powerpc/nofpu}/sqrtsf2.c (92%)
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To: glibc-bugs@sourceware.org
Subject: [Bug soft-fp/18473] [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat symbols
Date: Fri, 01 Jun 2018 17:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18473
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23253] New: tgamma test suite failures with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Fri, 01 Jun 2018 19:37:00 -0000
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Bug ID: 23253
Summary: tgamma test suite failures with -march=x86-64
-mtune=generic -mfpmath=sse
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Target: i686
Failing tests:
FAIL: math/test-double-tgamma
FAIL: math/test-float32x-tgamma
FAIL: math/test-float64-tgamma
==> math/test-double-tgamma.out <==
testing double (without inline functions)
Failure: tgamma_upward (-0xb.4ffffp+4): errno set to 0, expected 34 (ERANGE)
Failure: tgamma_upward (-0xb.60001p+4): errno set to 0, expected 34 (ERANGE)
Failure: tgamma_upward (-0xb.6ffffp+4): errno set to 0, expected 34 (ERANGE)
Test suite completed:
1404 test cases plus 1400 tests for exception flags and
1400 tests for errno executed.
3 errors occurred.
==> math/test-float32x-tgamma.out <==
testing _Float32x (without inline functions)
Failure: tgamma_upward (-0xb.4ffffp+4): errno set to 0, expected 34 (ERANGE)
Failure: tgamma_upward (-0xb.60001p+4): errno set to 0, expected 34 (ERANGE)
Failure: tgamma_upward (-0xb.6ffffp+4): errno set to 0, expected 34 (ERANGE)
Test suite completed:
1404 test cases plus 1400 tests for exception flags and
1400 tests for errno executed.
3 errors occurred.
==> math/test-float64-tgamma.out <==
testing _Float64 (without inline functions)
Failure: tgamma_upward (-0xb.4ffffp+4): errno set to 0, expected 34 (ERANGE)
Failure: tgamma_upward (-0xb.60001p+4): errno set to 0, expected 34 (ERANGE)
Failure: tgamma_upward (-0xb.6ffffp+4): errno set to 0, expected 34 (ERANGE)
Test suite completed:
1404 test cases plus 1400 tests for exception flags and
1400 tests for errno executed.
3 errors occurred.
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>From glibc-bugs-return-42095-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 01 19:37:32 2018
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Fri, 01 Jun 2018 19:37:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|tgamma test suite failures |tgamma test suite failures
|with -march=x86-64 |on i686 with -march=x86-64
|-mtune=generic -mfpmath=sse |-mtune=generic -mfpmath=sse
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>From glibc-bugs-return-42096-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 01 20:09:16 2018
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Fri, 01 Jun 2018 20:09:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Fri, 1 Jun 2018, fweimer at redhat dot com wrote:
> Failure: tgamma_upward (-0xb.4ffffp+4): errno set to 0, expected 34 (ERANGE)
I advise checking what __ieee754_gamma_r returns (presumably not the
expected zero), whether the code in there under SET_RESTORE_ROUND
(FE_TONEAREST) is all properly executing in to-nearest mode (which should
result in such a zero) and then whether the subsequent code adjusting the
zero or infinite result for the current rounding mode is executing in
FE_UPWARD mode as expected.
I have an old patch that adds extra barriers to tgamma (which I didn't
proceed with at the time I wrote it because it didn't actually help with
the problem I was dealing with at the time). I'll attach it to this issue
in case it helps.
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Created attachment 11049
--> https://sourceware.org/bugzilla/attachment.cgi?id=11049&action=edit
Patch to add barriers to tgamma
This is an updated version of the old patch (originally written when looking at
failures which turned out to be a compiler bug instead). Not tested.
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Fri, 01 Jun 2018 20:53:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Joseph Myers from comment #2)
> Created attachment 11049 [details]
> Patch to add barriers to tgamma
>
> This is an updated version of the old patch (originally written when looking
> at failures which turned out to be a compiler bug instead). Not tested.
I gave it a try and it does not help.
The failure reproduces with --disable-multi-arch as well. I will try to debug
it as per your instructions.
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
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What |Removed |Added
----------------------------------------------------------------------------
Attachment #11049|0 |1
is obsolete| |
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>From glibc-bugs-return-42100-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 04 13:42:59 2018
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Subject: [Bug nptl/10686] Request for new TLS field for x86 and x86_64
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--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Ian Lance Taylor from comment #5)
> The patch in comment #4 looks great to me.
>
> Thanks.
FYI, the wrong offset is used on i386:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85990
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>From glibc-bugs-return-42101-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 05 03:32:27 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Dmitry V. Levin from comment #2)
> A token in $var form is substituted only if it ends the string or is
> followed by '/'. A token in {var} form does not have this limitation.
>
> I suggest documenting this behavior rather than changing it.
The official specification of the gABI says:
http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
~~~
Within a string provided by dynamic array entries with the DT_NEEDED or
DT_RUNPATH tags and in pathnames passed as parameters to the dlopen() routine,
a dollar sign ($) introduces a substitution sequence. This sequence consists of
the dollar sign immediately followed by either the longest name sequence or a
name contained within left and right braces ({) and (}). A name is a sequence
of bytes that start with either a letter or an underscore followed by zero or
more letters, digits or underscores. If a dollar sign is not immediately
followed by a name or a brace-enclosed name, the behavior of the dynamic linker
is unspecified. ~~~
Which seems to allow $ORIGIN$ORIGIN to me?
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Subject: [Bug manual/4177] document $ORIGIN, $LIB, $PLATFORM
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CC| |carlos at redhat dot com
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
The rules for valid DST sequences and what constitutes a name should also be
documented following what ELF gABI says is allowed.
See "Substitution sequences":
http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Tue, 05 Jun 2018 03:46:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
Note that the gABI says:
~~~
Within a string provided by dynamic array entries with the DT_NEEDED or
DT_RUNPATH tags and in pathnames passed as parameters to the dlopen() routine,
a dollar sign ($) introduces a substitution sequence.
...
If the name is ``ORIGIN'', then the substitution sequence is replaced by the
dynamic linker with the absolute pathname of the directory in which the object
containing the substitution sequence originated. Moreover, the pathname will
contain no symbolic links or use of ``.'' or ``..'' components. Otherwise (when
the name is not ``ORIGIN'') the behavior of the dynamic linker is unspecified.
~~~
http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
It seems to me that the entire sequence, including $ORIGIN, is considered a
"pathname", and that "pathname" should contain no symbolic links, ".", or ".."
components.
Therefore following symlinks seems against the specification of $ORIGIN?
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Tue, 05 Jun 2018 03:56:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #7)
> Note that the gABI says:
> ~~~
> Within a string provided by dynamic array entries with the DT_NEEDED or
> DT_RUNPATH tags and in pathnames passed as parameters to the dlopen()
> routine, a dollar sign ($) introduces a substitution sequence.
> ...
> If the name is ``ORIGIN'', then the substitution sequence is replaced by the
> dynamic linker with the absolute pathname of the directory in which the
> object containing the substitution sequence originated. Moreover, the
> pathname will contain no symbolic links or use of ``.'' or ``..''
> components. Otherwise (when the name is not ``ORIGIN'') the behavior of the
> dynamic linker is unspecified.
> ~~~
> http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
>
> It seems to me that the entire sequence, including $ORIGIN, is considered a
> "pathname", and that "pathname" should contain no symbolic links, ".", or
> ".." components.
>
> Therefore following symlinks seems against the specification of $ORIGIN?
Isn't it saying the opposite, that symbolic links must be resolved in the
expansion of $ORIGIN?
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>From glibc-bugs-return-42105-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 05 04:00:59 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/18018] Additional $ORIGIN handling issues (CVE-2011-0536)
Date: Tue, 05 Jun 2018 04:00:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #0)
> Most downstream fixes for CVE-2010-3847 were incomplete. One of the
> follow-up fixes was never applied to glibc, namely this part:
>
> Index: glibc-2.12-2-gc4ccff1/elf/dl-object.c
> ===================================================================
> --- glibc-2.12-2-gc4ccff1.orig/elf/dl-object.c
> +++ glibc-2.12-2-gc4ccff1/elf/dl-object.c
> @@ -214,6 +214,9 @@ _dl_new_object (char *realname, const ch
> out:
> new->l_origin = origin;
> }
> + else if (INTUSE(__libc_enable_secure) && type == lt_executable)
> + /* The origin of a privileged program cannot be trusted. */
> + new->l_origin = (char *) -1;
>
> return new;
> }
>
> We need to figure out if this patch is still needed.
I believe this is not needed.
This seems like excessive belt-and-suspenders.
We support $ORIGIN for AT_SECURE if it's the first thing in the path, and the
canonical expansion is rooted in a trusted directory (this is an exception to
the ELF gABI specification).
The above would break this use of $ORIGIN, but perhaps we ant to avoid this
exception?
What really needs to happen is that we need the parsing to work properly for
handling DST names, see:
https://sourceware.org/bugzilla/show_bug.cgi?id=23102#c3
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>From glibc-bugs-return-42106-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 05 04:09:36 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23259] New: Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Tue, 05 Jun 2018 04:09:00 -0000
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Bug ID: 23259
Summary: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
In Fedora we carry a patch to handle unsubstituted $ORIGIN from DT_NEEDED entry
for AT_SECURE.
Without the patch the present glibc handling can result in an unsubstituted
$ORIGIN being used in path lookup:
From my own test cases:
~~~
Test 16 [SUID]: Verify ${ORIGIN} without / in DT_NEEDED discards the DT_NEEDED.
origin: Function called.
FAIL: Incorrectly allowed DT_NEEDED with ${ORIGIN}.
~~~
~~~
function test16 {
local soname='/bad/${ORIGIN}liborigin.so'
local testdir="test16dir"
local ret
rm -rf $testdir
echo "Test 16 [SUID]: Verify \${ORIGIN} without / in DT_NEEDED discards the
DT_NEEDED."
startup_sysroot "./$testdir" "$BUILD"
gcc -shared -fPIC -Wl,-soname="$soname" -o liborigin.so origin.c
gcc -g3 -O0 -L. -o test16 ./need_origin.c -lorigin
mkdir -p "./$testdir/bad"
cp liborigin.so "./$testdir/bad/\${ORIGIN}liborigin.so"
rm liborigin.so
mv test16 ./$testdir/root/
sudo chown root.root ./$testdir/root/test16
sudo chmod u+s ./$testdir/root/test16
run_in_sysroot ./$testdir /root/test16
ret=$?
if [ $ret -ne 0 ]; then
echo "PASS: Failed to execute binary with \${ORIGIN} in DT_NEEDED."
else
echo "FAIL: Incorrectly allowed DT_NEEDED with \${ORIGIN}."
fi
shutdown_sysroot "./$testdir"
}
~~~
Just to give an idea of what is done here, we generate a binary with a
DT_NEEDED of '/bad/${ORIGIN}liborigin.so', perhaps a mistake, but the
unprocessed ${ORIGIN} means the entry is eventually searched as a literal
entry.
This should result in an error, since ${ORIGIN} should not be allowed.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Tue, 05 Jun 2018 11:39:00 -0000
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--- Comment #9 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #8)
> (In reply to Carlos O'Donell from comment #7)
> > Note that the gABI says:
> > ~~~
> > Within a string provided by dynamic array entries with the DT_NEEDED or
> > DT_RUNPATH tags and in pathnames passed as parameters to the dlopen()
> > routine, a dollar sign ($) introduces a substitution sequence.
> > ...
> > If the name is ``ORIGIN'', then the substitution sequence is replaced by the
> > dynamic linker with the absolute pathname of the directory in which the
> > object containing the substitution sequence originated. Moreover, the
> > pathname will contain no symbolic links or use of ``.'' or ``..''
> > components. Otherwise (when the name is not ``ORIGIN'') the behavior of the
> > dynamic linker is unspecified.
> > ~~~
> > http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
> >
> > It seems to me that the entire sequence, including $ORIGIN, is considered a
> > "pathname", and that "pathname" should contain no symbolic links, ".", or
> > ".." components.
> >
> > Therefore following symlinks seems against the specification of $ORIGIN?
>
> Isn't it saying the opposite, that symbolic links must be resolved in the
> expansion of $ORIGIN?
Oh, I see how you could interpret that.
You are saying that the phrasing "absolute pathname of the directory" means
that symbolic links *must* be dereferenced?
I was looking at the phrasing "the pathname will contain no symbolic links" as
meaning that the pathname *before* the expansion shall contain no symbolic
links, otherwise the behaviour of the dynamic linker is unspecified. That the
intent of the authors was to simplify the dynamic linker implementation to not
have to handle the path expansion and symbolic link following to compute the
path name.
Which interpretation was yours?
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Tue, 05 Jun 2018 12:16:00 -0000
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--- Comment #10 from Andreas Schwab <schwab@linux-m68k.org> ---
Symbolic links must be resolved, like realpath.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Tue, 05 Jun 2018 13:21:00 -0000
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--- Comment #11 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #10)
> Symbolic links must be resolved, like realpath.
Is your suggestion that the final absolute path computed from the DT_NEEDED or
DT_RPATH or DT_RUNPATH, contain a path that has no symbolic links or
back/current references?
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Tue, 05 Jun 2018 13:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17251
--- Comment #12 from Andreas Schwab <schwab@linux-m68k.org> ---
As written in the gABI, $ORIGIN must be fully resolved. This is unambigous.
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>From glibc-bugs-return-42111-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 05 19:21:43 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
Date: Tue, 05 Jun 2018 19:21:00 -0000
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
With my IFUNC scheduler, I get this for your test case:
32147: applying delayed relocations for /tmp/libbar.so
32147: delayed relocation of symbol memmove in /tmp/libmemmove.so
32147: 1 delayed relocations performed for /tmp/libbar.so
I need to clean up a few things and will likely post patches tomorrow.
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>From glibc-bugs-return-42112-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 05 23:53:14 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
Date: Tue, 05 Jun 2018 23:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23102
--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to Dmitry V. Levin from comment #2)
> > A token in $var form is substituted only if it ends the string or is
> > followed by '/'. A token in {var} form does not have this limitation.
> >
> > I suggest documenting this behavior rather than changing it.
>
> The official specification of the gABI says:
> http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
> ~~~
> Within a string provided by dynamic array entries with the DT_NEEDED or
> DT_RUNPATH tags and in pathnames passed as parameters to the dlopen()
> routine, a dollar sign ($) introduces a substitution sequence. This sequence
> consists of the dollar sign immediately followed by either the longest name
> sequence or a name contained within left and right braces ({) and (}). A
> name is a sequence of bytes that start with either a letter or an underscore
> followed by zero or more letters, digits or underscores. If a dollar sign is
> not immediately followed by a name or a brace-enclosed name, the behavior of
> the dynamic linker is unspecified. ~~~
>
> Which seems to allow $ORIGIN$ORIGIN to me?
I have a fix for this which passes test1 and test3.
The problem with ignorning $VAR that doesn't end the string or end with '/' is
that it leave unsubstituted DSTs in the lookup paths which later have to
cleaned up for security purposes.
To fix this bug I rewrote is_dst() to follow the ELF gABI rules. It wasn't a
difficult fix, but it also requires the fix for bug 23259.
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>From glibc-bugs-return-42113-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 05 23:55:40 2018
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Tue, 05 Jun 2018 23:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23259
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
I have a complete fix for this test case now, which removes the undefined
negative array access in the original Fedora patch. It requires we pass 'start
of sequence' const char *start down several APIs to allow us to distinguish the
*allowed* (an exception made by glibc) AT_SECURE scenario of
'$ORIGIN'-expansion into a path that is rooted in a trusted directory.
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>From glibc-bugs-return-42114-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 00:23:16 2018
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Wed, 06 Jun 2018 00:23:00 -0000
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Dmitry V. Levin <ldv at sourceware dot org> changed:
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----------------------------------------------------------------------------
CC| |ldv at sourceware dot org
--- Comment #2 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Carlos O'Donell from comment #0)
> In Fedora we carry a patch to handle unsubstituted $ORIGIN from DT_NEEDED
> entry for AT_SECURE.
Is it the patch I rebased and submitted several times, the last one at
https://sourceware.org/ml/libc-alpha/2017-12/msg00941.html
?
[...]
> This should result in an error, since ${ORIGIN} should not be allowed.
Is it just a conformance issue
(https://sourceware.org/bugzilla/show_bug.cgi?id=23102#c3), or does it have
security implications?
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>From glibc-bugs-return-42115-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 00:27:21 2018
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Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
Date: Wed, 06 Jun 2018 00:27:00 -0000
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--- Comment #5 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to Dmitry V. Levin from comment #2)
> > A token in $var form is substituted only if it ends the string or is
> > followed by '/'. A token in {var} form does not have this limitation.
> >
> > I suggest documenting this behavior rather than changing it.
>
> The official specification of the gABI says:
> http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#shobj_dependencies
> ~~~
> Within a string provided by dynamic array entries with the DT_NEEDED or
> DT_RUNPATH tags and in pathnames passed as parameters to the dlopen()
> routine, a dollar sign ($) introduces a substitution sequence. This sequence
> consists of the dollar sign immediately followed by either the longest name
> sequence or a name contained within left and right braces ({) and (}). A
> name is a sequence of bytes that start with either a letter or an underscore
> followed by zero or more letters, digits or underscores. If a dollar sign is
> not immediately followed by a name or a brace-enclosed name, the behavior of
> the dynamic linker is unspecified. ~~~
>
> Which seems to allow $ORIGIN$ORIGIN to me?
Yes, this specification allows $ORIGIN$ORIGIN, although it hardly makes sense.
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>From glibc-bugs-return-42116-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 03:40:24 2018
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Subject: [Bug dynamic-link/21942] _dl_dst_substitute incorrectly handles $ORIGIN: with AT_SECURE=1
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #0)
> I'm not sure if there is a trivial fix for this. The execution flow is very
> complicated.
I can't reproduce this issue with my testcases for this, and the 'is_path' code
was removed by recent refactoring to simplify this code.
For example:
Test 5 [SUID]: Test that RPATH of $ORIGIN:./ ignores $ORIGIN and uses ./.
25758: expand_dynamic_string_token name=$ORIGIN, start=$ORIGIN
25758: _dl_dst_count $ORIGIN (7fbbbf87ad20)
25758: is_dst name=ORIGIN (begin)
25758: is_dst nlen=6 name=ORIGIN (7fbbbf87ad21) (str=ORIGIN)
25758: _dl_dst_count next
25758: _dl_dst_count cnt 1
25758: DL_DST_REQUIRED l_origin 7fbbbf87ad50
25758: _dl_dst_substitute name=$ORIGIN start=$ORIGIN
25758: is_dst name=ORIGIN (begin)
25758: is_dst nlen=6 name=ORIGIN (7fbbbf87ad21) (str=ORIGIN)
25758: _dl_dst_substitute 7fbbbf87ad50
25758: is_trusted_path_normalize: /root 5
25758: is_trusted_path_normalize: Transformed path /root/
25758: is_trusted_path_normalize: Path is NOT trusted.
25758: expand_dynamic_string_token name=./, start=$ORIGIN
25758: security = 1
25758: security = 1
25758: security = 1
25758: security = 1
PASS: Correct primary library.
You see that the RPATH splitting happens at expand_dynamic_string_token after
my fixes, and thus is_trusted_path_normalize is never passed multiple path
sequences.
I'm going to mark that my patches fix this also, and you can review upstream.
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>From glibc-bugs-return-42117-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 03:50:03 2018
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Subject: [Bug dynamic-link/18018] Additional $ORIGIN handling issues (CVE-2011-0536)
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to Florian Weimer from comment #0)
> > Most downstream fixes for CVE-2010-3847 were incomplete. One of the
> > follow-up fixes was never applied to glibc, namely this part:
> >
> > Index: glibc-2.12-2-gc4ccff1/elf/dl-object.c
> > ===================================================================
> > --- glibc-2.12-2-gc4ccff1.orig/elf/dl-object.c
> > +++ glibc-2.12-2-gc4ccff1/elf/dl-object.c
> > @@ -214,6 +214,9 @@ _dl_new_object (char *realname, const ch
> > out:
> > new->l_origin = origin;
> > }
> > + else if (INTUSE(__libc_enable_secure) && type == lt_executable)
> > + /* The origin of a privileged program cannot be trusted. */
> > + new->l_origin = (char *) -1;
> >
> > return new;
> > }
> >
> > We need to figure out if this patch is still needed.
>
> I believe this is not needed.
So I'm going to mark this bug resolved by my changes to this code because the
intent of setting l_origin to -1 for lt_executable && AT_SECURE is wrong. We
can trust the l_origin in one case, the case where it comes first in the list
and is rooted in a trusted directory.
We use calloc to allocate the link_map and so l_origin is NULL if we don't
initialize it, and this causes later calls to _dl_get_origin() to initialize
origin once we can do more complex operations (read /proc/self/exe or read
LD_ORIGIN_PATH).
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>From glibc-bugs-return-42118-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 03:50:46 2018
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Subject: [Bug dynamic-link/17251] RPATH of shared libraries doesn't follow symlinks for $ORIGIN
Date: Wed, 06 Jun 2018 03:50:00 -0000
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--- Comment #13 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #12)
> As written in the gABI, $ORIGIN must be fully resolved. This is unambigous.
I agree.
I'm not going to fix this issue in my current round of cleanups, it's
sufficiently orthogonal that it can be cleaned up later. Though I am fixing bug
23102, and bug 23259 (with a patch based on your Fedora patch).
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>From glibc-bugs-return-42119-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 04:37:02 2018
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Wed, 06 Jun 2018 04:37:00 -0000
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Dmitry V. Levin from comment #2)
> (In reply to Carlos O'Donell from comment #0)
> > In Fedora we carry a patch to handle unsubstituted $ORIGIN from DT_NEEDED
> > entry for AT_SECURE.
>
> Is it the patch I rebased and submitted several times, the last one at
> https://sourceware.org/ml/libc-alpha/2017-12/msg00941.html
> ?
It is based on the work that you and Andreas Schwab have done.
> [...]
> > This should result in an error, since ${ORIGIN} should not be allowed.
>
> Is it just a conformance issue
> (https://sourceware.org/bugzilla/show_bug.cgi?id=23102#c3), or does it have
> security implications?
The unsubstituted path is used directly to load the DT_NEEDED requirement. It's
only a security issue in the case that a defect in your SUID/GUID application
caused a malformed DT_NEEDED e.g. /bad/${ORIGIN}lib.so. This should cause a
runtime failure because we have a DST in DT_NEEDED and the ELF gABI for
security suggests this fail (and I agree).
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>From glibc-bugs-return-42120-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 06:55:38 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug network/21461] DISPUTED: sunrpc: Memory leak after deserialization failure in xdr_bytes, xdr_string (CVE-2017-8804)
Date: Wed, 06 Jun 2018 06:55:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
Summary|sunrpc: Memory leak after |DISPUTED: sunrpc: Memory
|deserialization failure in |leak after deserialization
|xdr_bytes, xdr_string |failure in xdr_bytes,
|(CVE-2017-8804) |xdr_string (CVE-2017-8804)
Flags|security+ |security-
--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Based on the libc-alpha discussion here:
https://sourceware.org/ml/libc-alpha/2017-05/msg00128.html
https://sourceware.org/ml/libc-alpha/2017-05/msg00129.html
this an application bug and not a glibc vulnerability.
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Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
Date: Wed, 06 Jun 2018 13:58:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
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>From glibc-bugs-return-42121-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 13:58:31 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23264] New: posix_spawnp wrongly executes ENOEXEC in non compat mode
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Bug ID: 23264
Summary: posix_spawnp wrongly executes ENOEXEC in non compat
mode
Product: glibc
Version: 2.24
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: adhemerval.zanella at linaro dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Current posix_spawn implementation wrongly tries to execute ENOEXEC as shell
script in non compat mode. It was a regression introduced by
9ff72da471a509a8c19791efe469f47fa6977410 when __spawni issues __execvpe instead
of __execve (glibc __execvpe try to execute ENOEXEC as shell script
regardless).
It was reported by Daniel Drake on libc-help [1].
[1] https://sourceware.org/ml/libc-help/2018-06/msg00012.html
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>From glibc-bugs-return-42123-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 14:05:41 2018
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From: "dan at reactivated dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
Date: Wed, 06 Jun 2018 14:05:00 -0000
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Daniel Drake <dan at reactivated dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dan at reactivated dot net
--- Comment #1 from Daniel Drake <dan at reactivated dot net> ---
(In reply to Adhemerval Zanella from comment #0)
> It was a regression introduced by
> 9ff72da471a509a8c19791efe469f47fa6977410 when __spawni issues __execvpe
> instead of __execve (glibc __execvpe try to execute ENOEXEC as shell script
> regardless).
I trust your judgement that this is a bug that should be fixed. However I'm not
sure if it is a regression caused by the commit you mentioned.
The "generic" implementation sysdeps/posix/spawni.c which I presume was used on
Linux before that commit also uses __execvpe.
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Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The 'generic' implementation was also updated to fix some bugs by
ccfb2964726512f6669fea99a43afa714e2e6a80 which also introduced the same issue
observed on Linux. Although generic version is not used currently I am fixing
both.
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Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
Date: Wed, 06 Jun 2018 15:05:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23264
Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-42126-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 15:36:41 2018
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Subject: [Bug dynamic-link/23176] elf/reldep6 fails with BIND_NOW
Date: Wed, 06 Jun 2018 15:36:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23176
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr23240/fw has been created
at 3bc6d308ef8ba549e0ef072692903ea2afa883d1 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3bc6d308ef8ba549e0ef072692903ea2afa883d1
commit 3bc6d308ef8ba549e0ef072692903ea2afa883d1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun May 27 07:15:35 2018 -0700
Check non-lazy binding with LD_PRELOAD and weak reference
Check non-lazy binding with
1. Reference to unrelocated IFUNC function with LD_PRELOAD.
2. Weak reference.
[BZ #23176]
[BZ #23240]
* elf/Makefile (tests): Add reldep6a.
(tests-internal): Add ifuncpreload1
(modules-names): Add ifuncpreloadmod1a and ifuncpreloadmod1b.
($(objpfx)reldep6a): New.
($(objpfx)reldep6a.out): Likewise.
(reldep6a-ENV): Likewise.
($(objpfx)ifuncpreload1): Likewise.
($(objpfx)ifuncpreload1.out): Likewise.
(ifuncpreload1-ENV): Likewise.
* elf/ifuncpreload1.c: New file.
* elf/ifuncpreloadmod1a.c: Likewise.
* elf/ifuncpreloadmod1b.c: Likewise.
* elf/reldep6a.c: Likewise.
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>From glibc-bugs-return-42127-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 15:36:42 2018
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Subject: [Bug dynamic-link/23240] LD_PRELOAD doesn't work with non-lazy binding and IFUNC
Date: Wed, 06 Jun 2018 15:36:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 3bc6d308ef8ba549e0ef072692903ea2afa883d1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun May 27 07:15:35 2018 -0700
Check non-lazy binding with LD_PRELOAD and weak reference
Check non-lazy binding with
1. Reference to unrelocated IFUNC function with LD_PRELOAD.
2. Weak reference.
[BZ #23176]
[BZ #23240]
* elf/Makefile (tests): Add reldep6a.
(tests-internal): Add ifuncpreload1
(modules-names): Add ifuncpreloadmod1a and ifuncpreloadmod1b.
($(objpfx)reldep6a): New.
($(objpfx)reldep6a.out): Likewise.
(reldep6a-ENV): Likewise.
($(objpfx)ifuncpreload1): Likewise.
($(objpfx)ifuncpreload1.out): Likewise.
(ifuncpreload1-ENV): Likewise.
* elf/ifuncpreload1.c: New file.
* elf/ifuncpreloadmod1a.c: Likewise.
* elf/ifuncpreloadmod1b.c: Likewise.
* elf/reldep6a.c: Likewise.
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>From glibc-bugs-return-42128-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 18:08:01 2018
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From: "mwelinder at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23265] New: __memmove_sse_unaligned fails across 0x80000000
Date: Wed, 06 Jun 2018 18:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23265
Bug ID: 23265
Summary: __memmove_sse_unaligned fails across 0x80000000
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: mwelinder at gmail dot com
CC: drepper.fsp at gmail dot com
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Created attachment 11056
--> https://sourceware.org/bugzilla/attachment.cgi?id=11056&action=edit
demonstrate the problem
This relates to 32-bit code.
memmove of a memory block that spans 0x80000000 does not work when
__memmove_sse_unaligned is being used.
The attached C++ program demonstrates the issue. It must be compiled
in 32-bit mode (g++ 8.1.0 here). If it is compiled in 64-bit mode and
run, it is likely to just keep allocating memory until the machine dies.
The problem relies on a bit of luck in obtaining a buffer that spans
0x80000000. It is repeatable here, but clearly this kind of thing
cannot be guaranteed.
The output should be just two addresses, one before 0x80000000 and
one after. I get...
0x7ffd4008
0x80035a84
i: 256 vs 255
terminate called without an active exception
Aborted
The problem is caused by incorrect assembler code here:
https://gitlab.com/bminor/glibc/blob/d8feaca7c8568149ee43b28bd582d56b8fe61981/sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S#L75
"jg" (which is for signed integers) is being used where "ja" (which is for
unsigned integers) should have been used. Consequently it thinks that
0x80035a84 comes before 0x7ffd4008 and hard-to-debug memory corruption
ensues.
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>From glibc-bugs-return-42129-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 18:47:00 2018
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From: "dev at inusasha dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nis/23266] New: stringop-truncation warning with new gcc8.1 in nisplus-parser.c
Date: Wed, 06 Jun 2018 18:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23266
Bug ID: 23266
Summary: stringop-truncation warning with new gcc8.1 in
nisplus-parser.c
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nis
Assignee: unassigned at sourceware dot org
Reporter: dev at inusasha dot de
CC: kukuk at suse dot de
Target Milestone: ---
Created attachment 11057
--> https://sourceware.org/bugzilla/attachment.cgi?id=11057&action=edit
compiler log of nisplus-parser.c
Compiling glibc 2.27 and git master (0c1c33b2f5269cce6499ef8f8d1a291f2674a8fd)
with the new gcc 8.1, throws a stringop-truncation warning in the
nis/nss_nisplus/nisplus-parser.c.
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>From glibc-bugs-return-42130-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 19:05:08 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22745] _nptl_setxid can loop forever if a dlmopen namespace tries to initialise pthreads after the main namespace does
Date: Wed, 06 Jun 2018 19:05:00 -0000
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Vivek Das Mohapatra <vivek at collabora dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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is obsolete| |
--- Comment #14 from Vivek Das Mohapatra <vivek at collabora dot com> ---
Created attachment 11058
--> https://sourceware.org/bugzilla/attachment.cgi?id=11058&action=edit
Test case - loop-forever has several modes of operation which can trigger (or
not) the deadlock
usage: ./loop-forever
You may set any or all of the following env vars:
BLOCK=0 ./loop-forever # don't try to trigger the deadlock
SHARE=0 ./loop-forever # don't try to use RTLD_SHARED
DEBUG=1 ./loop-forever # print extra debug messages
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>From glibc-bugs-return-42131-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 19:18:23 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nis/23266] stringop-truncation warning with new gcc8.1 in nisplus-parser.c
Date: Wed, 06 Jun 2018 19:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23266
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Please help with the review of
<https://sourceware.org/ml/libc-alpha/2018-04/msg00209.html>. As I said
in <https://sourceware.org/ml/libc-alpha/2018-03/msg00532.html>, adding a
--enable-obsolete-rpc --enable-obsolete-nsl configuration to
build-many-glibcs.py would be a good idea to help detect such issues.
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>From glibc-bugs-return-42132-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 06 23:56:25 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Wed, 06 Jun 2018 23:56:00 -0000
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--- Comment #30 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
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Kashubian (csb_PL) version 2
Updates and typo fixes:
"łżëkwiôta" -> "łżëkwiata"
"môja" -> "maja"
"lëpinca" -> "lëpińca"
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Walloon (wa_BE) version 2
1. Non-breaking spaces used to ensure that "d’" does not appear at the end of a
line.
2. Reworded country_name: "Beljike" -> "Beldjike".
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--- Comment #12 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 23265 has been marked as a duplicate of this bug. ***
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Dup.
*** This bug has been marked as a duplicate of bug 22644 ***
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #3)
> The unsubstituted path is used directly to load the DT_NEEDED requirement.
> It's only a security issue in the case that a defect in your SUID/GUID
> application caused a malformed DT_NEEDED e.g. /bad/${ORIGIN}lib.so.
Can this also happen for $ORIGIN/lib.so if $ORIGIN cannot be determined?
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
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| |com
--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Thank you, Michael. Here is my review:
First, some nitpicks:
1. It would be better to attach a patch rather than a file.
2. The patch should add this line: "dsb_DE.UTF-8/UTF-8 \" to
localedata/SUPPORTED.
3. The file should not have a ".txt" suffix and should have Unix (LF) rather
than Windows (CRLF) line ends.
4. There should be no line numbers.
I have fixed it all locally.
> LC_IDENTIFICATION
> title "Lower Sorbian locale for Germany"
> source "Information from Michael Wolf"
> address ""
> contact ""
> email ""
> tel ""
> fax ""
It's not obligatory but wouldn't you like to add your personal data here? If
not, then maybe let's add "bug-glibc-locales@gnu.org" as the email?
> LC_COLLATE
> copy "iso14651_t1"
>
> % CLDR collation rules for Lower Sorbian:
> % (see:https://unicode.org/cldr/trac/browser/trunk/common/collation/dsb.xml)
> %
> [...]
Mike is an expert at collation so I leave it to him.
Does Lower Sorbian use exactly the same alphabet and collation rules as Upper
Sorbian? If yes then maybe “copy "hsb_DE"†would be sufficient?
> LC_CTYPE
> copy "i18n"
> END LC_CTYPE
I'm not sure. I have a feeling that something is missing here. But if we
don't figure out let's leave it as is.
> LC_MESSAGES
> yesexpr "^[+1hHyY]"
> noexpr "^[-0nN]"
> yesstr "jo"
> nostr "n<U011B>"
> END LC_MESSAGES
If "yes" is "jo" in DSB then "yesexpr" must contain "jJ". Also as it has been
copied from HSB I think that HSB should include "jJ" for the compatibility with
German. Whether DSB should include "hH" for the compatibility with HSB...
well, it's a question to you if there are DSB computer users so used to HSB
that they may press 'H' as the answer for "yes"?
> LC_MONETARY
> copy "de_DE"
> END LC_MONETARY
>
> LC_NUMERIC
> copy "de_DE"
> END LC_NUMERIC
Good, copy from "de_DE" whatever is common.
> LC_TIME
> abday "Nj";"P<U00F3>";/
> "Wa";"Sr";/
> "St";"P<U011B>";/
> "So"
> day "Nje<U017A>ela";/
> "P<U00F3>n<U017A>ela";/
This says: "Pónźela" - CLDR says "pónjeźele".
> "Wa<U0142>tora";/
> "Srjoda";/
> "Stw<U00F3>rtk";/
> "P<U011B>tk";/
> "Sobota"
Do you want to start all weekday names with uppercase? According to CLDR it is
not necessary but if you think that weekday names usually appear in the
beginning of the sentence and therefore you want to leave it like this then it
is OK.
> abmon "Jan";"Feb";/
> "M<U011B>r";"Apr";/
> "Maj";"Jun";/
> "Jul";"Awg";/
> "Sep";"Okt";/
> "Now";"Dec"
> alt_mon "Januar";/
> "Februar";/
> "M<U011B>rc";/
> "Apryl";/
> "Maj";/
> "Junij";/
> "Julij";/
> "Awgust";/
> "September";/
> "Oktober";/
> "Nowember";/
> "December"
Again, there is no reason to start the month names with the uppercase unless
you think it is good because they will usually appear in the beginning of a
sentence (including standalone).
> mon "januara";/
> "februara";/
> "m<U011B>rca";/
> "apryla";/
> "maja";/
> "junija";/
> "julija";/
> "awgusta";/
> "septembra";/
> "oktobra";/
> "nowembra";/
> "decembra"
> d_t_fmt "%a %d %b %Y %T %Z"
> d_fmt "%d.%m.%Y"
> t_fmt "%T"
> am_pm "";""
> t_fmt_ampm ""
>
> week 7;19971130;4
> first_weekday 2
> END LC_TIME
Otherwise looks good.
> LC_PAPER
> copy "de_DE"
> END LC_PAPER
Most of the locales use either “copy "i18n"†or “copy "en_US"â€.
> LC_TELEPHONE
> copy "de_DE"
> END LC_TELEPHONE
>
> LC_MEASUREMENT
> copy "de_DE"
> END LC_MEASUREMENT
Again good, copy from "de_DE" whatever is common.
> LC_NAME
> name_fmt "%d%t%g%t%m%t%f"
> name_miss "kn<U011B><U017E>na"
> name_mr "kn<U011B>z"
> name_mrs "kn<U011B>ni"
> %name_ms ""
> END LC_NAME
What about:
name_ms "kn<U011B>ni"
> LC_ADDRESS
> postal_fmt "%f%N%a%N%d%N%b%N%s %h %e %r%N%z %T%N%c%N"
> country_name "Nimska"
> country_post "D"
> country_ab2 "DE"
> country_ab3 "DEU"
> country_num 276
> country_car "D"
> country_isbn 3
> lang_name "dolnoserb<U0161><U0107>ina"
> lang_ab ""
> lang_term "dsb"
> lang_lib "dsb"
> END LC_ADDRESS
I can see this is copied from hsb_DE except few fields which had obligatorily
to be changed. Therefore I believe this is correct.
Again, thank you Michael.
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Fri, 08 Jun 2018 07:31:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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>From glibc-bugs-return-42140-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 08 14:46:27 2018
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From: "mwelinder at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold (CVE-2017-18269)
Date: Fri, 08 Jun 2018 14:46:00 -0000
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--- Comment #13 from M Welinder <mwelinder at gmail dot com> ---
Happy to see this fixed, less happy to see it not being deployed by
distributors.
In the meantime, an application-level workaround is something like this,
to be executed as early as possible:
#ifdef __linux__
// Block the memory just before the 2GB boundary to evade memmove bug
if (sizeof (void *) == sizeof (int))
(void)mmap ((void *)(0x80000000 - 0x2000), 0x2000, PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
#endif
This prevents malloc from allocating across the 2G boundary by allocating
a block just before the boundary. It might benefit from an error check.
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>From glibc-bugs-return-42141-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 08 16:00:36 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Fri, 08 Jun 2018 16:00:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to joseph@codesourcery.com from comment #1)
> On Fri, 1 Jun 2018, fweimer at redhat dot com wrote:
>
> > Failure: tgamma_upward (-0xb.4ffffp+4): errno set to 0, expected 34 (ERANGE)
>
> I advise checking what __ieee754_gamma_r returns (presumably not the
> expected zero),
GDB says it's 4.9406564584124654e-324, assuming that I got the right invocation
in the test. It's from the final invocation right before the Failure: printf.
> whether the code in there under SET_RESTORE_ROUND
> (FE_TONEAREST) is all properly executing in to-nearest mode (which should
> result in such a zero)
GDB says:
mxcsr 0x1f82 [ DE IM DM ZM OM UM PM ]
Bits 13 and 14 are zero, so I presume that means the SSE state is
round-to-nearest mode.
However, the FPU control word is not changed:
(gdb) print/x $fctrl
$4 = 0xb7f
(gdb) print/x $fctrl & 0x0c00
$5 = 0x800
This is rounding upwards, right?
gamma_positive has this:
100 double ret = (__ieee754_pow (x_adj_mant, x_adj)
101 * __ieee754_exp2 (x_adj_log2 * x_adj_frac)
102 * __ieee754_exp (-x_adj)
103 * sqrt (2 * M_PI / x_adj)
104 / prod);
And the hand-written assembler implementations use the FPU, not SSE2. So in
order to call them, the FPU would have to be switched to round-to-nearest as
well. Or we drop those assembler implementations.
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>From glibc-bugs-return-42142-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 08 16:37:43 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Fri, 08 Jun 2018 16:37:00 -0000
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--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Fri, 8 Jun 2018, fweimer at redhat dot com wrote:
> --- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
> (In reply to joseph@codesourcery.com from comment #1)
> > On Fri, 1 Jun 2018, fweimer at redhat dot com wrote:
> >
> > > Failure: tgamma_upward (-0xb.4ffffp+4): errno set to 0, expected 34 (ERANGE)
> >
> > I advise checking what __ieee754_gamma_r returns (presumably not the
> > expected zero),
>
> GDB says it's 4.9406564584124654e-324, assuming that I got the right invocation
> in the test. It's from the final invocation right before the Failure: printf.
The mathematical tgamma value here is (as per auto-libm-test-out-tgamma)
about -0x5.fa2b7cb1342f0619b84e4c550dp-1088 (which thus rounds upward to
zero for double). The peculiar __ieee754_gamma_r interface (separate
signgam only really makes sense for lgamma not tgamma...) thus means that
what's meant to happen is: the initial computation of ret (the absolute
value of the result), in round-to-nearest mode, produces 0 after
math_narrow_eval. The "else if (ret == 0)" logic should then come into
play, compute math_narrow_eval (-__copysign (DBL_MIN, ret) * DBL_MIN) in
the original rounding mode (which in this case means rounding upward to
-0), and then negate it to +0.
> 100 double ret = (__ieee754_pow (x_adj_mant, x_adj)
> 101 * __ieee754_exp2 (x_adj_log2 * x_adj_frac)
> 102 * __ieee754_exp (-x_adj)
> 103 * sqrt (2 * M_PI / x_adj)
> 104 / prod);
>
> And the hand-written assembler implementations use the FPU, not SSE2. So in
> order to call them, the FPU would have to be switched to round-to-nearest as
> well. Or we drop those assembler implementations.
For those implementations, I don't think the rounding mode should
particularly matter; in the case where underflow isn't just using DBL_MIN
* DBL_MIN (in the range above -184 where whether the result underflows
depends on the fractional part of the argument), the underflow should
actually come from the "ret = __scalbn (tret, -exp2_adj);". So the issue
is probably the i386 s_scalbn.S.
So, yes, in this particular case either the x87 rounding mode needs to be
set to round-to-nearest, or you need to use a different scalbn
implementation for building with -mfpmath=sse (but it can't just be using
a generic one as-is because of the i386-specific symbol versioning for
scalbln in libc). There may well be a case that if building with
-mfpmath=sse you want to avoid most of the float/double implementations
using x87 assembly (subject to symbol versioning issues, of course), which
I suppose would need different sysdeps directories depending on the
-mfpmath= choice.
If you want just to set the x87 rounding mode in this particular case you
need to make fenv_private.h do something different here, hopefully without
also needing to set both rounding modes in lots of other places that only
need one set. Maybe a macro fenv_private.h tests and an i386-specific
wrapper round e_gamma_r.c that defines that macro, for example?
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23145] _init/_fini aren't marked as hidden
Date: Fri, 08 Jun 2018 17:58:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67c0579669ba1fc265d770252fab31babf887329
commit 67c0579669ba1fc265d770252fab31babf887329
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Jun 8 10:28:38 2018 -0700
Mark _init and _fini as hidden [BZ #23145]
_init and _fini are special functions provided by glibc for linker to
define DT_INIT and DT_FINI in executable and shared library. They
should never be put in dynamic symbol table. This patch marks them as
hidden to remove them from dynamic symbol table.
Tested with build-many-glibcs.py.
[BZ #23145]
* elf/Makefile (tests-special): Add $(objpfx)check-initfini.out.
($(all-built-dso:=.dynsym): New target.
(common-generated): Add $(all-built-dso:$(common-objpfx)%=%.dynsym).
($(objpfx)check-initfini.out): New target.
(generated): Add check-initfini.out.
* scripts/check-initfini.awk: New file.
* sysdeps/aarch64/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/alpha/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/arm/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/hppa/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/i386/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/ia64/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/m68k/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/microblaze/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/mips/mips32/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/mips/mips64/n32/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/mips/mips64/n64/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/nios2/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/powerpc/powerpc32/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/powerpc/powerpc64/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/s390/s390-32/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/s390/s390-64/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/sh/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/sparc/crti.S (_init): Mark as hidden.
(_fini): Likewise.
* sysdeps/x86_64/crti.S (_init): Mark as hidden.
(_fini): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 48 +++++++++++++++++++++++++++++
elf/Makefile | 15 ++++++++-
scripts/check-initfini.awk | 63 ++++++++++++++++++++++++++++++++++++++
sysdeps/aarch64/crti.S | 2 +
sysdeps/alpha/crti.S | 2 +
sysdeps/arm/crti.S | 2 +
sysdeps/hppa/crti.S | 2 +
sysdeps/i386/crti.S | 2 +
sysdeps/ia64/crti.S | 2 +
sysdeps/m68k/crti.S | 2 +
sysdeps/microblaze/crti.S | 2 +
sysdeps/mips/mips32/crti.S | 2 +
sysdeps/mips/mips64/n32/crti.S | 2 +
sysdeps/mips/mips64/n64/crti.S | 2 +
sysdeps/nios2/crti.S | 2 +
sysdeps/powerpc/powerpc32/crti.S | 2 +
sysdeps/powerpc/powerpc64/crti.S | 2 +
sysdeps/s390/s390-32/crti.S | 2 +
sysdeps/s390/s390-64/crti.S | 2 +
sysdeps/sh/crti.S | 2 +
sysdeps/sparc/crti.S | 2 +
sysdeps/x86_64/crti.S | 2 +
22 files changed, 163 insertions(+), 1 deletions(-)
create mode 100644 scripts/check-initfini.awk
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23145] _init/_fini aren't marked as hidden
Date: Fri, 08 Jun 2018 18:17:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
Date: Fri, 08 Jun 2018 20:31:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=283d98512272a12cb84e7798c23edbdf1adb287d
commit 283d98512272a12cb84e7798c23edbdf1adb287d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Jun 6 14:07:34 2018 -0300
posix: Fix posix_spawnp to not execute invalid binaries in non compat mode
(BZ#23264)
Current posix_spawnp implementation wrongly tries to execute invalid
binaries (for instance script without shebang) as a shell script in
non compat mode. It was a regression introduced by
9ff72da471a509a8c19791efe469f47fa6977410 when __spawni started to use
__execvpe instead of __execve (glibc __execvpe try to execute ENOEXEC
as shell script regardless).
This patch fixes it by using an internal symbol (__execvpex) with the
faulty semantic (since compat mode is handled by spawni.c itself).
It was reported by Daniel Drake on libc-help [1].
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #23264]
* include/unistd.h (__execvpex): New prototype.
* posix/Makefile (tests): Add tst-spawn4.
(tests-internal): Add tst-spawn4-compat.
* posix/execvpe.c (__execvpe_common, __execvpex): New functions.
* posix/tst-spawn4-compat.c: New file.
* posix/tst-spawn4.c: Likewise.
* sysdeps/unix/sysv/linux/spawni.c (__spawni): Do not interpret invalid
binaries as shell scripts.
* sysdeps/posix/spawni.c (__spawni): Likewise.
[1] https://sourceware.org/ml/libc-help/2018-06/msg00012.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 ++++
include/unistd.h | 2 +
posix/Makefile | 4 +-
posix/execvpe.c | 26 ++++++--
posix/tst-spawn4-compat.c | 77 ++++++++++++++++++++++++++
signal/tst-sigaction.c => posix/tst-spawn4.c | 54 +++++++++---------
sysdeps/posix/spawni.c | 4 +-
sysdeps/unix/sysv/linux/spawni.c | 4 +-
8 files changed, 146 insertions(+), 38 deletions(-)
create mode 100644 posix/tst-spawn4-compat.c
copy signal/tst-sigaction.c => posix/tst-spawn4.c (51%)
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>From glibc-bugs-return-42146-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 08 20:32:15 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
Date: Fri, 08 Jun 2018 20:32:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by 283d98512272a12cb84e7798c23edbdf1adb287d
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>From glibc-bugs-return-42147-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 08 20:41:04 2018
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Subject: [Bug regex/23233] Memory leak in build_charclass_op function in file posix/regcomp.c
Date: Fri, 08 Jun 2018 20:41:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I think it has been fixed on gnulib by 9e849a70 [1]. I will try to spend some
hours to sync our version with gnulib.
[1]
http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=9e849a708308b73064cd965de022d357e3abda80
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>From glibc-bugs-return-42148-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 08 21:07:52 2018
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Subject: [Bug libc/23264] posix_spawnp wrongly executes ENOEXEC in non compat mode
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.27/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78e48cb5e5b5358c8a43f169700a27ad1374edbc
commit 78e48cb5e5b5358c8a43f169700a27ad1374edbc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Jun 6 14:07:34 2018 -0300
posix: Fix posix_spawnp to not execute invalid binaries in non compat mode
(BZ#23264)
Current posix_spawnp implementation wrongly tries to execute invalid
binaries (for instance script without shebang) as a shell script in
non compat mode. It was a regression introduced by
9ff72da471a509a8c19791efe469f47fa6977410 when __spawni started to use
__execvpe instead of __execve (glibc __execvpe try to execute ENOEXEC
as shell script regardless).
This patch fixes it by using an internal symbol (__execvpex) with the
faulty semantic (since compat mode is handled by spawni.c itself).
It was reported by Daniel Drake on libc-help [1].
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #23264]
* include/unistd.h (__execvpex): New prototype.
* posix/Makefile (tests): Add tst-spawn4.
(tests-internal): Add tst-spawn4-compat.
* posix/execvpe.c (__execvpe_common, __execvpex): New functions.
* posix/tst-spawn4-compat.c: New file.
* posix/tst-spawn4.c: Likewise.
* sysdeps/unix/sysv/linux/spawni.c (__spawni): Do not interpret invalid
binaries as shell scripts.
* sysdeps/posix/spawni.c (__spawni): Likewise.
[1] https://sourceware.org/ml/libc-help/2018-06/msg00012.html
(cherry picked from commit 283d98512272a12cb84e7798c23edbdf1adb287d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 ++++
include/unistd.h | 2 +
posix/Makefile | 4 +-
posix/execvpe.c | 26 ++++++--
posix/tst-spawn4-compat.c | 77 ++++++++++++++++++++++++++
signal/tst-sigaction.c => posix/tst-spawn4.c | 54 +++++++++---------
sysdeps/posix/spawni.c | 4 +-
sysdeps/unix/sysv/linux/spawni.c | 4 +-
8 files changed, 146 insertions(+), 38 deletions(-)
create mode 100644 posix/tst-spawn4-compat.c
copy signal/tst-sigaction.c => posix/tst-spawn4.c (51%)
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>From glibc-bugs-return-42149-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jun 10 17:44:54 2018
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From: "tydeman.fred at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23272] New: fma(INFINITY,INFIITY,0.0) should be INFINITY
Date: Sun, 10 Jun 2018 17:44:00 -0000
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Bug ID: 23272
Summary: fma(INFINITY,INFIITY,0.0) should be INFINITY
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
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Reporter: tydeman.fred at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
fma(INFINITY, INFINITY, 0.0) is returning a NaN. It should be INFINIY.
This is 32-bit Linux Fedora 28 with gcc 8.1.1-1 and glibc 2.27-15 compiled
for x87 (not sse) using <tgmath.h>
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Subject: [Bug libc/23174] [hppa] SIGSEGV on return from signal handler
Date: Sun, 10 Jun 2018 18:01:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b69fecb9d0681a124662dfba89291ad473aa55f
commit 2b69fecb9d0681a124662dfba89291ad473aa55f
Author: John David Anglin <danglin@gcc.gnu.org>
Date: Sun Jun 10 13:57:32 2018 -0400
The hppa-linux target still requires an executable stack for kernel
syscall restarts and signal returns. Thus, we need to xfail the
check-execstack test.
[BZ #23174]
* sysdeps/unix/sysv/linux/hppa/Makefile: xfail check-execstack.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/unix/sysv/linux/hppa/Makefile | 7 +++++++
2 files changed, 12 insertions(+), 0 deletions(-)
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Subject: [Bug librt/23273] New: glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
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https://sourceware.org/bugzilla/show_bug.cgi?id=23273
Bug ID: 23273
Summary: glibc 2.27 doesn't build on arm: .../librtld.os: In
function `process_dl_debug': raise.c:(.text+0x4f0):
undefined reference to `memcpy'
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: librt
Assignee: unassigned at sourceware dot org
Reporter: dilfridge at gentoo dot org
Target Milestone: ---
Forwarding this for our (Gentoo) arm maintainers; the original bug report with
full logs is
https://bugs.gentoo.org/657760
This glibc package builds fine on other architectures (it even passes the
testsuite on x86 and x86_64 for me). However, on arm the following happens:
gcc 7.3.0
binutils 2.30
CFLAGS="-O2 -pipe -march=armv7-a -mfpu=neon -mfloat-abi=hard"
armv7a-hardfloat-linux-gnueabi-gcc -Wl,-O1 -Wl,--as-needed -Wl,-O1
-Wl,--as-needed -nostdlib -nostartfiles -r -o
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os
'-Wl,-('
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/dl-allobjs.os
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/rtld-libc.a
-lgcc '-Wl,-)' \
-Wl,-Map,/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os.map
armv7a-hardfloat-linux-gnueabi-gcc -Wl,-O1 -Wl,--as-needed -Wl,-O1
-Wl,--as-needed -nostdlib -nostartfiles -shared -o
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/ld.so.new
\
-Wl,-z,combreloc -Wl,-z,relro -Wl,-z,defs -Wl,-z,now \
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os
-Wl,--version-script=/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/ld.map
\
-Wl,-soname=ld-linux-armhf.so.3 \
-Wl,-defsym=_begin=0
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `process_dl_debug':
raise.c:(.text+0x4f0): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `dso_name_valid_for_suid':
raise.c:(.text+0x60c): undefined reference to `memchr'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `_dl_start':
raise.c:(.text+0xc48): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `handle_ld_preload':
raise.c:(.text+0x1124): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `dl_main':
raise.c:(.text+0x1370): undefined reference to `memcpy'
raise.c:(.text+0x2700): undefined reference to `memcpy'
raise.c:(.text+0x3068): undefined reference to `memcpy'
raise.c:(.text+0x3410): undefined reference to `memchr'
raise.c:(.text+0x4068): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `add_name_to_object.isra.4':
raise.c:(.text+0x4e80): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `_dl_map_object_from_fd':
raise.c:(.text+0x5d90): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `open_verify.constprop.7':
raise.c:(.text+0x66d8): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:
In function `open_path':
raise.c:(.text+0x6acc): undefined reference to `memcpy'
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/librtld.os:raise.c:(.text+0x75b4):
more undefined references to `memcpy' follow
/usr/lib/gcc/armv7a-hardfloat-linux-gnueabi/7.3.0/../../../../armv7a-hardfloat-linux-gnueabi/bin/ld:
/mnt/distfiles/tmp/portage/sys-libs/glibc-2.27-r3/work/build-arm-armv7a-hardfloat-linux-gnueabi-nptl/elf/ld.so.new:
hidden symbol `memchr' isn't defined
/usr/lib/gcc/armv7a-hardfloat-linux-gnueabi/7.3.0/../../../../armv7a-hardfloat-linux-gnueabi/bin/ld:
final link failed: Bad value
collect2: error: ld returned 1 exit status
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>From glibc-bugs-return-42152-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jun 10 20:31:41 2018
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From: "dilfridge at gentoo dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
Date: Sun, 10 Jun 2018 20:31:00 -0000
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Andreas K. Huettel <dilfridge at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugs.gentoo.org/sho
| |w_bug.cgi?id=657760
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>From glibc-bugs-return-42153-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 09:21:01 2018
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Mon, 11 Jun 2018 09:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23208
--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Rafal Luzynski from comment #1)
> > LC_COLLATE
> > copy "iso14651_t1"
> >
> > % CLDR collation rules for Lower Sorbian:
> > % (see:https://unicode.org/cldr/trac/browser/trunk/common/collation/dsb.xml)
> > %
> > [...]
>
> Mike is an expert at collation so I leave it to him.
>
> Does Lower Sorbian use exactly the same alphabet and collation rules as
> Upper Sorbian? If yes then maybe “copy "hsb_DE"†would be sufficient?
In CLDR,
https://unicode.org/cldr/trac/browser/trunk/common/collation/dsb.xml
https://unicode.org/cldr/trac/browser/trunk/common/collation/hsb.xml
are *exactly* the same. So it looks a bit weird why CLDR does not
use "[import dsb]" in the collation of "hsb" or vice versa.
They do this for example for fa_AF and ps:
https://unicode.org/cldr/trac/browser/trunk/common/collation/ps.xml
contains the collation rules and fa_AF just imports them because
https://unicode.org/cldr/trac/browser/trunk/common/collation/fa_AF.xml
contains:
<collations>
<collation type="standard">
<cr><![CDATA[
[import ps]
]]></cr>
</collation>
</collations>
So we could use “copy "hsb_DE"†in glibc if we want.
If the data in the file in this bug has been copied and pasted from
the hsb_DE glibc locale, that should be correct as well of course.
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To: glibc-bugs@sourceware.org
Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
Date: Mon, 11 Jun 2018 09:40:00 -0000
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Sergei Trofimovich <slyfox at inbox dot ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg, slyfox at inbox dot ru
--- Comment #1 from Sergei Trofimovich <slyfox at inbox dot ru> ---
I poked a bit at it and I think CFLAGS is not passed to .S files (but should).
The reproducer:
$ ../glibc/configure --build=x86_64-pc-linux-gnu
--host=armv7a-hardfloat-linux-gnueabi CFLAGS="-pipe -march=armv7-a -O2
-mfpu=neon" --prefix=/usr
$ make
The dtails:
On armv7 -mfpu=neon should disable ifunc selection and use neon memcpy()
unconditionally:
$ cat glibc/sysdeps/arm/armv7/multiarch/memcpy_neon.S
/* For __ARM_NEON__ this file defines memcpy. */
#ifndef __ARM_NEON__
# define memcpy __memcpy_neon
# undef libc_hidden_builtin_def
# define libc_hidden_builtin_def(a)
#endif
#define MEMCPY_NEON
#include "memcpy_impl.S"
Unfortunately __ARM_NEON__ is not set on .S files (CFLAGS is not propagated):
armv7a-hardfloat-linux-gnueabi-gcc ../sysdeps/arm/armv7/multiarch/memcpy_neon.S
-c -U_FORTIFY_SOURCE -I../include
-I/home/slyfox/dev/git/glibc-armv7a-neon/string
-I/home/slyfox/dev/git/glibc-armv7a-neon -I../sysdeps/unix/sysv/linux/arm
-I../sysdeps/arm/nptl -I../sysdeps/unix/sysv/linux/include
-I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread
-I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix/arm -I../sysdeps/unix -I../sysdeps/posix
-I../sysdeps/arm/armv7/multiarch -I../sysdeps/arm/armv7
-I../sysdeps/arm/armv6t2 -I../sysdeps/arm/armv6 -I../sysdeps/arm/include
-I../sysdeps/arm -I../sysdeps/wordsize-32 -I../sysdeps/ieee754/flt-32
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -D_LIBC_REENTRANT -include
/home/slyfox/dev/git/glibc-armv7a-neon/libc-modules.h -DMODULE_NAME=libc
-include ../include/libc-symbols.h -DPIC -DTOP_NAMESPACE=glibc -DASSEMBLER
-Werror=undef -Wa,--noexecstack -o
/home/slyfox/dev/git/glibc-armv7a-neon/string/memcpy_neon.o -MD -MP -MF
/home/slyfox/dev/git/glibc-armv7a-neon/string/memcpy_neon.o.dt -MT
/home/slyfox/dev/git/glibc-armv7a-neon/string/memcpy_neon.o
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>From glibc-bugs-return-42155-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 09:49:04 2018
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Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
Date: Mon, 11 Jun 2018 09:49:00 -0000
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--- Comment #2 from Sergei Trofimovich <slyfox at inbox dot ru> ---
This change fixes macro propagation:
--- a/Makerules
+++ b/Makerules
@@ -510,10 +510,10 @@ native-compile-mkdep-flags = -MMD -MP -MF $@.dt -MT $@
# GCC can grok options after the file name, and it looks nicer that way.
compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
compile.cc = $(CXX) $< -c $(CXXFLAGS) $(CPPFLAGS)
-compile.S = $(CC) $< -c $(CPPFLAGS) $(S-CPPFLAGS) \
+compile.S = $(CC) $< -c $(CFLAGS) $(CPPFLAGS) $(S-CPPFLAGS) \
$(ASFLAGS) $(ASFLAGS-$(suffix $@))
COMPILE.c = $(CC) -c $(CFLAGS) $(CPPFLAGS)
-COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) \
+COMPILE.S = $(CC) -c $(CFLAGS) $(CPPFLAGS) $(S-CPPFLAGS) \
$(ASFLAGS) $(ASFLAGS-$(suffix $@))
# We need this for the output to go in the right place. It will default to
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Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
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--- Comment #3 from Sergei Trofimovich <slyfox at inbox dot ru> ---
Created attachment 11065
--> https://sourceware.org/bugzilla/attachment.cgi?id=11065&action=edit
0001-Makerules-pass-CFLAGS-when-building-.S-files-BZ-2327.patch
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>From glibc-bugs-return-42157-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 10:31:19 2018
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Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
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Sent https://sourceware.org/ml/libc-alpha/2018-06/msg00181.html for review.
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>From glibc-bugs-return-42158-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 12:23:07 2018
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Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Architecture selection flags need to go into CC/CXX:
https://sourceware.org/ml/libc-alpha/2018-06/msg00183.html
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>From glibc-bugs-return-42159-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 16:34:55 2018
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Subject: [Bug libc/23272] fma(INFINITY,INFIITY,0.0) should be INFINITY
Date: Mon, 11 Jun 2018 16:34:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ca121b117f2c9c97a4c121334481a96c94fef3a0
commit ca121b117f2c9c97a4c121334481a96c94fef3a0
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Jun 11 16:33:42 2018 +0000
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
As reported in bug 23272, the ldbl-96 implementation of fma (fma for
double, in terms of ldbl-96 as the internal arithmetic type, as used
on 32-bit x86) is missing some of the special-case handling for
non-finite arguments, resulting in incorrect NaN results when the
first two arguments are infinities, the third is finite and so the
infinities go through the logic for finite arguments. This patch
fixes it by handling all cases of non-finite arguments up front, with
additional fma tests for the problem cases being added to the
testsuite.
Tested for x86_64 and x86.
[BZ #23272]
* sysdeps/ieee754/ldbl-96/s_fma.c (__fma): Start by handling all
cases of non-finite arguments.
* math/libm-test-fma.inc (fma_test_data): Add more tests.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
math/libm-test-fma.inc | 33 +++++++++++++++++++++++++++++++++
sysdeps/ieee754/ldbl-96/s_fma.c | 14 ++++++--------
3 files changed, 46 insertions(+), 8 deletions(-)
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>From glibc-bugs-return-42160-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 16:35:51 2018
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Subject: [Bug math/23272] fma(INFINITY,INFIITY,0.0) should be INFINITY
Date: Mon, 11 Jun 2018 16:35:00 -0000
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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>From glibc-bugs-return-42161-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 22:52:28 2018
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From: "tydeman.fred at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23274] New: scanf of 100ergs done wrong
Date: Mon, 11 Jun 2018 22:52:00 -0000
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Bug ID: 23274
Summary: scanf of 100ergs done wrong
Product: glibc
Version: 2.27
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scanf does just one character lookahead. Therefore, scanf using %f of
"100ergs" should be a matching failure. This has existed since C89. The words
in the current C17 standard (same as in C99) are: 7.21.6.2 The fscanf function
Paragraph 9: An input item is defined as the longest sequence of input
characters which does not exceed any specified field width and which is, or is
a prefix of, a matching input sequence.291) The first character, if any, after
the input item remains unread.
291) fscanf pushes back at most one input character onto the input stream.
Therefore, some sequences that are acceptable to strtod, strtol, etc., are
unacceptable to fscanf
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>From glibc-bugs-return-42162-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 11 23:37:46 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 11 Jun 2018 23:37:00 -0000
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commit c4ad5782c44f4fa23d3ca9bec1e288c24cf2e6df
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Jan 30 12:31:12 2018 +0100
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
As a followup of fixing bug 10871, these three languages now support two
grammatical cases of the month names.
This commit does not resolve the bug because there are more languages
to be committed.
[BZ #23140]
* localedata/locales/gd_GB (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
* localedata/locales/hsb_DE (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
* localedata/locales/wa_BE (mon): Rename to...
(alt_mon): This.
(mon): Add, fill with the proper genitive forms, but CLDR data
is incomplete; completed according to the comments in this file.
(d_t_fmt): Do not use "di" before the month name, no longer needed.
* localedata/locales/wa_BE (country_name): Reword
"Beljike" -> "Beldjike".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++++++++++
NEWS | 7 ++++---
localedata/locales/gd_GB | 17 ++++++++++++++++-
localedata/locales/hsb_DE | 14 +++++++++++++-
localedata/locales/wa_BE | 24 ++++++++++++++++--------
5 files changed, 67 insertions(+), 13 deletions(-)
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Subject: [Bug locale/10871] 'mon' array should contain both nominative and genitive cases
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c4ad5782c44f4fa23d3ca9bec1e288c24cf2e6df
commit c4ad5782c44f4fa23d3ca9bec1e288c24cf2e6df
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Jan 30 12:31:12 2018 +0100
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
As a followup of fixing bug 10871, these three languages now support two
grammatical cases of the month names.
This commit does not resolve the bug because there are more languages
to be committed.
[BZ #23140]
* localedata/locales/gd_GB (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
* localedata/locales/hsb_DE (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
* localedata/locales/wa_BE (mon): Rename to...
(alt_mon): This.
(mon): Add, fill with the proper genitive forms, but CLDR data
is incomplete; completed according to the comments in this file.
(d_t_fmt): Do not use "di" before the month name, no longer needed.
* localedata/locales/wa_BE (country_name): Reword
"Beljike" -> "Beldjike".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++++++++++
NEWS | 7 ++++---
localedata/locales/gd_GB | 17 ++++++++++++++++-
localedata/locales/hsb_DE | 14 +++++++++++++-
localedata/locales/wa_BE | 24 ++++++++++++++++--------
5 files changed, 67 insertions(+), 13 deletions(-)
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>From glibc-bugs-return-42164-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 02:28:27 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
Date: Tue, 12 Jun 2018 02:28:00 -0000
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--- Comment #6 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #5)
> Architecture selection flags need to go into CC/CXX:
>
> https://sourceware.org/ml/libc-alpha/2018-06/msg00183.html
In fact you can add either on CC/CXX or on both CFLAGS *and* CPPFLAGS. Either
way, I think this is not a bug.
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Subject: [Bug libc/1765] scanf corner case (EXAMPLE 3 in 7.19.6.2/20)
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Andreas Schwab <schwab@linux-m68k.org> changed:
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 23274 has been marked as a duplicate of this bug. ***
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Subject: [Bug libc/23274] scanf of 100ergs done wrong
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Andreas Schwab <schwab@linux-m68k.org> changed:
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Dup.
*** This bug has been marked as a duplicate of bug 1765 ***
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>From glibc-bugs-return-42167-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 11:16:01 2018
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Subject: [Bug libc/23274] scanf of 100ergs done wrong
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Bug 12701 is the main open bug tracking this issue.
*** This bug has been marked as a duplicate of bug 12701 ***
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Subject: [Bug libc/1765] scanf corner case (EXAMPLE 3 in 7.19.6.2/20)
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Being tracked in bug 12701.
*** This bug has been marked as a duplicate of bug 12701 ***
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Subject: [Bug stdio/12701] scanf accepts non-matching input
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--- Comment #19 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
*** Bug 23274 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-42170-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 11:16:26 2018
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Subject: [Bug stdio/12701] scanf accepts non-matching input
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--- Comment #20 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
*** Bug 1765 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-42171-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 13:36:30 2018
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Subject: [Bug nptl/23250] Offset of __private_ss differs from GCC
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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Subject: [Bug nptl/10686] Request for new TLS field for x86 and x86_64
Date: Tue, 12 Jun 2018 13:36:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0221ce2a90be2d40fc90f0b5dcec77a1ec013f53
commit 0221ce2a90be2d40fc90f0b5dcec77a1ec013f53
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Jun 12 06:23:28 2018 -0700
i386: Change offset of __private_ss to 0x30 [BZ #23250]
sysdeps/i386/nptl/tls.h has
typedef struct
{
void *tcb; /* Pointer to the TCB. Not necessarily the
thread descriptor used by libpthread. */
dtv_t *dtv;
void *self; /* Pointer to the thread descriptor. */
int multiple_threads;
uintptr_t sysinfo;
uintptr_t stack_guard;
uintptr_t pointer_guard;
int gscope_flag;
int __glibc_reserved1;
/* Reservation of some values for the TM ABI. */
void *__private_tm[4];
/* GCC split stack support. */
void *__private_ss;
} tcbhead_t;
The offset of __private_ss is 0x34. But GCC defines
/* We steal the last transactional memory word. */
#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30
and libgcc/config/i386/morestack.S has
cmpl %gs:0x30,%eax # See if we have enough space.
movl %eax,%gs:0x30 # Save the new stack boundary.
movl %eax,%gs:0x30 # Save the new stack boundary.
movl %ecx,%gs:0x30 # Save new stack boundary.
movl %eax,%gs:0x30
movl %gs:0x30,%eax
movl %eax,%gs:0x30
Since update TARGET_THREAD_SPLIT_STACK_OFFSET changes split stack ABI,
this patch updates tcbhead_t to match GCC.
[BZ #23250]
[BZ #10686]
* sysdeps/i386/nptl/tls.h (tcbhead_t): Change __private_tm[4]
to _private_tm[3] and add __glibc_reserved2.
Add _Static_assert of offset of __private_ss == 0x30.
* sysdeps/x86_64/nptl/tls.h: Add _Static_assert of offset of
__private_ss == 0x40 for ILP32 and == 0x70 for LP64.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
sysdeps/i386/nptl/tls.h | 7 ++++++-
sysdeps/x86_64/nptl/tls.h | 10 ++++++++++
3 files changed, 26 insertions(+), 1 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23250] Offset of __private_ss differs from GCC
Date: Tue, 12 Jun 2018 13:36:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0221ce2a90be2d40fc90f0b5dcec77a1ec013f53
commit 0221ce2a90be2d40fc90f0b5dcec77a1ec013f53
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Jun 12 06:23:28 2018 -0700
i386: Change offset of __private_ss to 0x30 [BZ #23250]
sysdeps/i386/nptl/tls.h has
typedef struct
{
void *tcb; /* Pointer to the TCB. Not necessarily the
thread descriptor used by libpthread. */
dtv_t *dtv;
void *self; /* Pointer to the thread descriptor. */
int multiple_threads;
uintptr_t sysinfo;
uintptr_t stack_guard;
uintptr_t pointer_guard;
int gscope_flag;
int __glibc_reserved1;
/* Reservation of some values for the TM ABI. */
void *__private_tm[4];
/* GCC split stack support. */
void *__private_ss;
} tcbhead_t;
The offset of __private_ss is 0x34. But GCC defines
/* We steal the last transactional memory word. */
#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30
and libgcc/config/i386/morestack.S has
cmpl %gs:0x30,%eax # See if we have enough space.
movl %eax,%gs:0x30 # Save the new stack boundary.
movl %eax,%gs:0x30 # Save the new stack boundary.
movl %ecx,%gs:0x30 # Save new stack boundary.
movl %eax,%gs:0x30
movl %gs:0x30,%eax
movl %eax,%gs:0x30
Since update TARGET_THREAD_SPLIT_STACK_OFFSET changes split stack ABI,
this patch updates tcbhead_t to match GCC.
[BZ #23250]
[BZ #10686]
* sysdeps/i386/nptl/tls.h (tcbhead_t): Change __private_tm[4]
to _private_tm[3] and add __glibc_reserved2.
Add _Static_assert of offset of __private_ss == 0x30.
* sysdeps/x86_64/nptl/tls.h: Add _Static_assert of offset of
__private_ss == 0x40 for ILP32 and == 0x70 for LP64.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
sysdeps/i386/nptl/tls.h | 7 ++++++-
sysdeps/x86_64/nptl/tls.h | 10 ++++++++++
3 files changed, 26 insertions(+), 1 deletions(-)
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From: "stli at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23275] New: Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
Date: Tue, 12 Jun 2018 14:16:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23275
Bug ID: 23275
Summary: Race in pthread_mutex_lock while promoting to
PTHREAD_MUTEX_ELISION_NP.
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: stli at linux dot ibm.com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11066
--> https://sourceware.org/bugzilla/attachment.cgi?id=11066&action=edit
test program triggers EBUSY or assertion symptom if lock-elision is enabled
Hi,
while looking for a possible reason for "pthread_mutex_lock.c:79:
__pthread_mutex_lock: Assertion `mutex->__data.__owner == 0' failed.", I've
found a race condition if pthread_mutex_lock() is called for the "first time"
by multiple threads.
Note: Lock elision has to be supported and enabled (export
GLIBC_TUNABLES=glibc.elision.enable=1).
The attached test program creates threads which runs multiple iterations of the
following sequence:
-pthread_mutex_init(): called only by one thread. Initializing with default
mutex attributes.
-pthread_mutex_lock()
-pthread_mutex_unlock()
-pthread_mutex_destroy(): called only by one thread.
Here are some code snippets in order to follow the explanation below:
-nptl/pthread_mutex_lock.c:
62int
63__pthread_mutex_lock (pthread_mutex_t *mutex)
64{
65 unsigned int type = PTHREAD_MUTEX_TYPE_ELISION (mutex);
...
73 if (__glibc_likely (type == PTHREAD_MUTEX_TIMED_NP))
74 {
75 FORCE_ELISION (mutex, goto elision);
76 simple:
77 /* Normal mutex. */
78 LLL_MUTEX_LOCK (mutex);
79 assert (mutex->__data.__owner == 0);
80 }
81#ifdef HAVE_ELISION
82 else if (__glibc_likely (type == PTHREAD_MUTEX_TIMED_ELISION_NP))
83 {
84 elision: __attribute__((unused))
85 /* This case can never happen on a system without elision,
86 as the mutex type initialization functions will not
87 allow to set the elision flags. */
88 /* Don't record owner or users for elision case. This is a
89 tail call. */
90 return LLL_MUTEX_LOCK_ELISION (mutex);
91 }
92#endif
...
156 /* Record the ownership. */
157 mutex->__data.__owner = id;
158#ifndef NO_INCR
159 ++mutex->__data.__nusers;
160#endif
-sysdeps/unix/sysv/linux/s390/force-elision.h:
Note: This file is identical to the equivalent files for x86 and powerpc!
19/* Automatically enable elision for existing user lock kinds. */
20#define FORCE_ELISION(m, s) \
21 if (__pthread_force_elision \
22 && (m->__data.__kind & PTHREAD_MUTEX_ELISION_FLAGS_NP) == 0) \
23 { \
24 mutex->__data.__kind |= PTHREAD_MUTEX_ELISION_NP; \
25 s; \
26 }
-nptl/pthread_mutex_unlock.c:
36__pthread_mutex_unlock_usercnt (pthread_mutex_t *mutex, int decr)
37{
38 int type = PTHREAD_MUTEX_TYPE_ELISION (mutex);
...
43 if (__builtin_expect (type, PTHREAD_MUTEX_TIMED_NP)
44 == PTHREAD_MUTEX_TIMED_NP)
45 {
46 /* Always reset the owner field. */
47 normal:
48 mutex->__data.__owner = 0;
49 if (decr)
50 /* One less user. */
51 --mutex->__data.__nusers;
...
60 else if (__glibc_likely (type == PTHREAD_MUTEX_TIMED_ELISION_NP))
61 {
62 /* Don't reset the owner/users fields for elision. */
63 return lll_unlock_elision (mutex->__data.__lock,
mutex->__data.__elision,
64 PTHREAD_MUTEX_PSHARED (mutex));
-nptl/pthread_mutex_destroy.c:
26__pthread_mutex_destroy (pthread_mutex_t *mutex)
27{
28 LIBC_PROBE (mutex_destroy, 1, mutex);
29
30 if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0
31 && mutex->__data.__nusers != 0)
32 return EBUSY;
Assumption: Two threads are calling pthread_mutex_lock at the same time and
have already loaded the mutex-type in line 65 with the type
PTHREAD_MUTEX_TIMED_NP.
Thread 1 promotes the mutex to PTHREAD_MUTEX_ELISION_NP (see FORCE_ELISION in
line 24) and jumps to LLL_MUTEX_LOCK_ELISION (see line 90).
Thread 2 is checking the mutex type in FORCE_ELISION (line 22).
As the mutex-type is already set to PTHREAD_MUTEX_ELISION_NP, the condition is
false and the "Normal mutex" (line 77) is processed.
Note: The "normal mutex" records the ownership (see line 156).
Both threads are calling pthread_mutex_unlock and are loading mutex-type in
line 38 with the type PTHREAD_MUTEX_TIMED_ELISION_NP.
Thus the ownership is not resetted (see line 62)!
The call to pthread_mutex_destroy is returning with EBUSY
as __nusers == 1 (see line 31).
Note: Although thread 2 has successfully called pthread_mutex_unlock, it is
marked as the current owner of the mutex.
If a third thread has also loaded the mutex-type PTHREAD_MUTEX_TIMED_NP in
pthread_mutex_lock, then the "assert (mutex->__data.__owner == 0)" in line 79
is triggered.
When I am running the attached test program on s390x/x86_64, I can trigger the
case "pthread_mutex_destroy()==EBUSY" within some thousand iterations.
And I could trigger the assertion while single-stepping in GDB.
Can somebody test and confirm this on power (I don't have access to a machine
with lock elision; Ensure that environment variable GLIBC_TUNABLES is set to
"glibc.elision.enable=1")?
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23275] Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
Date: Tue, 12 Jun 2018 15:09:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
Date: Tue, 12 Jun 2018 15:11:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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commit 5aad5f617892e75d91d4c8fb7594ff35b610c042
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 11 +++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 165 insertions(+), 93 deletions(-)
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Subject: [Bug dynamic-link/18018] Additional $ORIGIN handling issues (CVE-2011-0536)
Date: Tue, 12 Jun 2018 15:11:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5aad5f617892e75d91d4c8fb7594ff35b610c042
commit 5aad5f617892e75d91d4c8fb7594ff35b610c042
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 11 +++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 165 insertions(+), 93 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21942] _dl_dst_substitute incorrectly handles $ORIGIN: with AT_SECURE=1
Date: Tue, 12 Jun 2018 15:11:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5aad5f617892e75d91d4c8fb7594ff35b610c042
commit 5aad5f617892e75d91d4c8fb7594ff35b610c042
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 11 +++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 165 insertions(+), 93 deletions(-)
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Tue, 12 Jun 2018 15:12:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5aad5f617892e75d91d4c8fb7594ff35b610c042
commit 5aad5f617892e75d91d4c8fb7594ff35b610c042
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 11 +++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 165 insertions(+), 93 deletions(-)
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
Date: Tue, 12 Jun 2018 15:13:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed for 2.27.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21942] _dl_dst_substitute incorrectly handles $ORIGIN: with AT_SECURE=1
Date: Tue, 12 Jun 2018 15:15:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed for 2.28. No more code passes colon seperated lists to
is_trusted_path_normalize().
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Subject: [Bug dynamic-link/21942] _dl_dst_substitute incorrectly handles $ORIGIN: with AT_SECURE=1
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.28
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Subject: [Bug dynamic-link/18018] Additional $ORIGIN handling issues (CVE-2011-0536)
Date: Tue, 12 Jun 2018 15:16:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed in 2.28 by rewriting is_dst, and _dl_dst_substitute from first principles
to meet the rules for DST handling in SUID/SGID programs. This allows us to
drop the $ORIGIN related patch in Fedora too.
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Tue, 12 Jun 2018 15:24:00 -0000
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #4)
> (In reply to Carlos O'Donell from comment #3)
> > The unsubstituted path is used directly to load the DT_NEEDED requirement.
> > It's only a security issue in the case that a defect in your SUID/GUID
> > application caused a malformed DT_NEEDED e.g. /bad/${ORIGIN}lib.so.
>
>
> Can this also happen for $ORIGIN/lib.so if $ORIGIN cannot be determined?
I will speak only about the new code right now.
In the new implementation this results in a load failure because DT_NEEDED
cannot have a DST in it for SUID/SGID.
For non-SUID/SGID it is not a load failure, but the DT_NEEDED entry will be
discarded because $ORIGIN has no replacement value, so the load might still
fail.
e.g.
326 else if (len != 0)
327 {
328 /* We found a valid DST that we know about, but we could
329 not find a replacement value for it, therefore we
330 cannot use this path and discard it. */
331 *result = '\0';
332 return result;
333 }
In the old code if $ORIGIN could not be determined we should have fallen
through to this case:
e.g.
317 else if (len > 1)
318 {
319 /* We cannot use this path element, the value of the
320 replacement is unknown. */
321 wp = last_elem;
322 name += len;
323 while (*name != '\0' && (!is_path || *name != ':'))
324 ++name;
325 /* Also skip following colon if this is the first rpath
326 element, but keep an empty element at the end. */
327 if (wp == result && is_path && *name == ':' && name[1] !=
'\0')
328 ++name;
329 }
Which has similar behaviour in that 'wp = last_elem', we jump back to the last
known good path in the colon separated path list, and skip 'name' forward to
the next path in the list, and work on the next path.
So I don't think it should be a problem.
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Subject: [Bug math/23277] New: nan function should not have const attribute
Date: Tue, 12 Jun 2018 16:05:00 -0000
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Bug ID: 23277
Summary: nan function should not have const attribute
Product: glibc
Version: 2.27
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Priority: P2
Component: math
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As in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86113 for __builtin_nan,
bits/mathcalls.h wrongly declares the nan function with the __const__
attribute. Because the function reads memory pointed to by an argument, it's
only pure, not const.
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Subject: [Bug libc/23278] New: printf using %a inconsistent
Date: Tue, 12 Jun 2018 16:57:00 -0000
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Bug ID: 23278
Summary: printf using %a inconsistent
Product: glibc
Version: 2.27
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This code
#include <stdio.h>
int main(void){
(void)printf("%.0a\n", 1.);
(void)printf("%.0a\n", 2.);
(void)printf("%.0a\n", 4.);
(void)printf("%.0a\n", 8.);
(void)printf("%.0a\n", 16.);
(void)printf("%.0a\n", 3.);
(void)printf("%.0a\n", 6.);
(void)printf("%.0a\n", 12.);
(void)printf("%.0a\n", 23.);
(void)printf("%.0a\n", 24.);
(void)printf("%.0a\n", 25.);
return 0;
}
shows that printf uses both 1 bit and 2 bits for the integer part before the
'p'
(which seems inconsistent). My guess is it depends upon rounding up.
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Subject: [Bug math/23277] nan function should not have const attribute
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=48b12ed54ceb605ec3566249c0387612fd9c0ced
commit 48b12ed54ceb605ec3566249c0387612fd9c0ced
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Jun 12 16:57:26 2018 +0000
Do not use const attribute for nan functions (bug 23277).
As in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86113 for
__builtin_nan, bits/mathcalls.h wrongly declares the nan function with
the __const__ attribute. Because the function reads memory pointed to
by an argument, it's only pure, not const. This patch removes the
incorrect attribute and adds a testcase for the bug. No __pure__
attribute is added to replace the incorrect __const__ one, since that
would introduce problems when using GCC versions that have the
incorrect built-in __const__ attribute and warn for the combination of
those two attributes.
Tested for x86_64.
[BZ #23277]
* math/bits/mathcalls.h [__USE_ISOC99] (nan): Do not use __const__
attribute.
* math/test-nan-const.c: New file.
* math/Makefile (tests): Add test-nan-const.
(CFLAGS-test-nan-const.c): New variable.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
math/Makefile | 4 +++-
math/bits/mathcalls.h | 2 +-
wcsmbs/test-char-types.c => math/test-nan-const.c | 15 ++++++++-------
4 files changed, 21 insertions(+), 9 deletions(-)
copy wcsmbs/test-char-types.c => math/test-nan-const.c (77%)
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Subject: [Bug math/23277] nan function should not have const attribute
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----------------------------------------------------------------------------
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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Subject: [Bug stdio/23278] printf using %a inconsistent
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
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>From glibc-bugs-return-42191-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 17:12:04 2018
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Subject: [Bug libc/23279] New: scanf and strtod wrong for some hex floating-point
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Bug ID: 23279
Summary: scanf and strtod wrong for some hex floating-point
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scanf() using %lg and strtod() with directed rounding get the wrong values for
the input: +0x.80000000000000000000000000000001p1025
For round to +infinity, they get NaN (should be infinity).
For round to -infinity, they get infinity (should be +1.79769313486231571e+308)
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>From glibc-bugs-return-42192-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 17:25:19 2018
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Subject: [Bug libc/23280] New: wscanf rounds wrong; wcstod is ok for negative numbers and directed rounding
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Bug ID: 23280
Summary: wscanf rounds wrong; wcstod is ok for negative numbers
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The wide character functions wcstod() and wscanf() disagree for rounded results
of negative numbers (such as -0.1). wcstod() is correct, wscanf() is wrong.
Round to +infinity and -infinity are the cases that matter.
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>From glibc-bugs-return-42193-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 19:42:07 2018
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Subject: [Bug dynamic-link/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
Date: Tue, 12 Jun 2018 19:42:00 -0000
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Alex Speasmaker <alex.speasmaker at gmail dot com> changed:
What |Removed |Added
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CC| |alex.speasmaker at gmail dot com
--- Comment #6 from Alex Speasmaker <alex.speasmaker at gmail dot com> ---
I am also having this issue.
Ubuntu Xenial
$ ldd --version
ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23
running sprof on a generated profile data produces the following error:
Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion
`_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
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>From glibc-bugs-return-42194-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 20:44:18 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Tue, 12 Jun 2018 20:44:00 -0000
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--- Comment #3 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Mike FABIAN from comment #2)
> [...]
> In CLDR,
>
> https://unicode.org/cldr/trac/browser/trunk/common/collation/dsb.xml
> https://unicode.org/cldr/trac/browser/trunk/common/collation/hsb.xml
>
> are *exactly* the same.
Sorry, I did not know it was so easy.
However, I have these data about the Sorbian alphabets:
1. Upper Sorbian:
https://pl.wikipedia.org/wiki/Alfabet_g%C3%B3rno%C5%82u%C5%BCycki
https://hsb.wikipedia.org/wiki/Hornjoserbski_alfabet
2. Lower Sorbian:
https://pl.wikipedia.org/wiki/Alfabet_dolno%C5%82u%C5%BCycki
The differences are minor and maybe they can be handled by the same rules. Or
maybe not: if "dź" is a separately collated digraph in Upper Sorbian then
probably it should be sorted after "d." ("." means any character) while in
Lower Sorbian "dź" would be sorted between "dz" and "dþ".
> [...]
> So we could use “copy "hsb_DE"†in glibc if we want.
For now I will leave the rules as they are in the attached file because I have
a feeling that they may be different and it will be a good beginning to develop
a separate set of rules.
> If the data in the file in this bug has been copied and pasted from
> the hsb_DE glibc locale, that should be correct as well of course.
That's what I hope for now.
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>From glibc-bugs-return-42195-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 12 20:53:29 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Tue, 12 Jun 2018 20:53:00 -0000
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--- Comment #33 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11067
--> https://sourceware.org/bugzilla/attachment.cgi?id=11067&action=edit
Armenian (hy_AM)
I've found this in my computer and I think it is worth attention. However, I
can't read Armenian script. Thoughts?
Here is a decoded version:
diff --git a/localedata/locales/hy_AM b/localedata/locales/hy_AM
index 805c327..74e1b77 100644
--- a/localedata/locales/hy_AM
+++ b/localedata/locales/hy_AM
@@ -130,18 +130,30 @@ abmon "Õ€Õ¶Õ¾";/
"Õ€Õ¸Õ¯";/
"Õ†Õ´Õ¢";/
"Ô´Õ¥Õ¯"
-mon "Õ€Õ¸Ö‚Õ¶Õ¾Õ¡Ö€Õ«";/
- "Õ“Õ¥Õ¿Ö€Õ¾Õ¡Ö€Õ«";/
- "Õ„Õ¡Ö€Õ¿Õ«";/
- "Ô±ÕºÖ€Õ«Õ¬Õ«";/
- "Õ„Õ¡ÕµÕ«Õ½Õ«";/
- "Õ€Õ¸Ö‚Õ¶Õ«Õ½Õ«";/
- "Õ€Õ¸Ö‚Õ¬Õ«Õ½Õ«";/
- "Õ•Õ£Õ¸Õ½Õ¿Õ¸Õ½Õ«";/
- "ÕÕ¥ÕºÕ¿Õ¥Õ´Õ¢Õ¥Ö€Õ«";/
- "Õ€Õ¸Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€Õ«";/
- "Õ†Õ¸ÕµÕ¥Õ´Õ¢Õ¥Ö€Õ«";/
- "Ô´Õ¥Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€Õ«"
+alt_mon "Õ°Õ¸Ö‚Õ¶Õ¾Õ¡Ö€";/
+ "ÖƒÕ¥Õ¿Ö€Õ¾Õ¡Ö€";/
+ "Õ´Õ¡Ö€Õ¿";/
+ "Õ¡ÕºÖ€Õ«Õ¬";/
+ "Õ´Õ¡ÕµÕ«Õ½";/
+ "Õ°Õ¸Ö‚Õ¶Õ«Õ½";/
+ "Õ°Õ¸Ö‚Õ¬Õ«Õ½";/
+ "Ö…Õ£Õ¸Õ½Õ¿Õ¸Õ½";/
+ "Õ½Õ¥ÕºÕ¿Õ¥Õ´Õ¢Õ¥Ö€";/
+ "Õ°Õ¸Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€";/
+ "Õ¶Õ¸ÕµÕ¥Õ´Õ¢Õ¥Ö€";/
+ "Õ¤Õ¥Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€"
+mon "Õ°Õ¸Ö‚Õ¶Õ¾Õ¡Ö€Õ«";/
+ "ÖƒÕ¥Õ¿Ö€Õ¾Õ¡Ö€Õ«";/
+ "Õ´Õ¡Ö€Õ¿Õ«";/
+ "Õ¡ÕºÖ€Õ«Õ¬Õ«";/
+ "Õ´Õ¡ÕµÕ«Õ½Õ«";/
+ "Õ°Õ¸Ö‚Õ¶Õ«Õ½Õ«";/
+ "Õ°Õ¸Ö‚Õ¬Õ«Õ½Õ«";/
+ "Ö…Õ£Õ¸Õ½Õ¿Õ¸Õ½Õ«";/
+ "Õ½Õ¥ÕºÕ¿Õ¥Õ´Õ¢Õ¥Ö€Õ«";/
+ "Õ°Õ¸Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€Õ«";/
+ "Õ¶Õ¸ÕµÕ¥Õ´Õ¢Õ¥Ö€Õ«";/
+ "Õ¤Õ¥Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€Õ«"
d_t_fmt "%a %d %b %Y %r %Z"
d_fmt "%m//%d//%y"
t_fmt "%r"
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>From glibc-bugs-return-42196-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 07:12:43 2018
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Rafal Luzynski from comment #3)
> For now I will leave the rules as they are in the attached file because I
> have a feeling that they may be different and it will be a good beginning to
> develop a separate set of rules.
Sounds good.
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>From glibc-bugs-return-42197-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 08:03:01 2018
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Subject: [Bug locale/17318] [RFE] Provide a C.UTF-8 locale by default
Date: Wed, 13 Jun 2018 08:03:00 -0000
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>From glibc-bugs-return-42198-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 08:50:28 2018
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From: "fabian@ritter-vogt.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23281] New: FTW_MOUNT must not rely on st_dev to check whether a file is in the same mountpoint
Date: Wed, 13 Jun 2018 08:48:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23281
Bug ID: 23281
Summary: FTW_MOUNT must not rely on st_dev to check whether a
file is in the same mountpoint
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fabian@ritter-vogt.de
CC: drepper.fsp at gmail dot com
Target Milestone: ---
st_dev is not guaranteed to be the same for files on the same mountpoint.
This is guaranteed to not be the case on overlayfs, where FTW_MOUNT results in
the callback not being called for *any* files.
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>From glibc-bugs-return-42199-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 11:26:03 2018
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGUvMjA4MDRdIGljb252IHJlamVjdHMgd2NoYXJfdOKGlHdj?= =?UTF-8?B?aGFyX3Q=?Date: Wed, 13 Jun 2018 11:26:00 -0000
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--- Comment #1 from Jan Engelhardt <jengelh at inai dot de> ---
#include <iconv.h>
#include <stdio.h>
int main(void)
{
iconv_t cd = iconv_open("wchar_t", "wchar_t");
if (cd == (iconv_t)-1)
printf("oh noes!\n");
return 0;
}
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>From glibc-bugs-return-42200-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 16:07:15 2018
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Subject: [Bug libc/23279] scanf and strtod wrong for some hex floating-point
Date: Wed, 13 Jun 2018 16:07:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via fcd6b5ac36a49e83e27e9186ded04329d3b0b0d9 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fcd6b5ac36a49e83e27e9186ded04329d3b0b0d9
commit fcd6b5ac36a49e83e27e9186ded04329d3b0b0d9
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Jun 13 16:06:14 2018 +0000
Fix strtod overflow detection (bug 23279).
As shown by bug 23279, strtod's round_and_return has an off-by-one
error in its overflow detection, only counting an exponent greater
than MAX_EXP as overflowing when an exponent of MAX_EXP also means
overflow (recall the ISO C definition of DBL_MAX_EXP etc. is based on
a floating-point model where 2^exp is multiplied by a value in the
interval [0.5, 1), so 2^MAX_EXP is not representable).
For decimal arguments to strtod, a separate overflow check in the main
implementation covers the case where the integer part of the argument
(truncated to the nearest integer towards zero) has more than MAX_EXP
bits, meaning that this issue in round_and_return only affects cases
(arguments with absolute value strictly between the maximum
representable value and 2^MAX_EXP) where overflow depends on the
rounding mode; in such cases, the returned value would still have been
correct on overflow but without the overflow exception being raised or
errno being set to ERANGE. For hex float arguments, however, other
cases can arise, as shown in bug 23279, where a value with exponent
already set to MAX_EXP is passed into round_and_return and a result
can wrongly end up being NaN, or infinity instead of the largest
finite value.
This patch fixes the off-by-one error, adds testing of overflow
exceptions to the tst-strtod-round framework, and adds tests of these
issues.
Tested for x86_64. Also ran the tst-strtod-round tests for powerpc to
make sure the new tests didn't introduce any new failures for IBM long
double.
[BZ #23279]
* stdlib/strtod_l.c (round_and_return): Handle an exponent of
MAX_EXP as overflowing.
* stdlib/gen-tst-strtod-round.c (string_to_fp): Clear MPFR
overflow flag.
(round_str): Output also whether result overflows in each rounding
mode.
* stdlib/tst-strtod-round-data: Add more tests.
* stdlib/tst-strtod-round-data.h: Regenerated.
* stdlib/tst-strtod-round-skeleton.c (_XNTRY): Update comment.
(TEST): Handle extra arguments for overflow flags.
(struct test_overflow): New type.
[!FE_OVERFLOW] (FE_OVERFLOW): Define to 0.
(GEN_ONE_TEST): Clear all exceptions. Test overflow flag.
(test_in_one_mode): Take argument with overflow information.
(do_test): Update calls to test_in_one_mode.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +
stdlib/gen-tst-strtod-round.c | 26 +-
stdlib/strtod_l.c | 4 +-
stdlib/tst-strtod-round-data | 7 +
stdlib/tst-strtod-round-data.h | 9091 +++++++++++++++++++-----------------
stdlib/tst-strtod-round-skeleton.c | 108 +-
6 files changed, 4864 insertions(+), 4391 deletions(-)
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>From glibc-bugs-return-42203-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 16:08:39 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23280] wscanf rounds wrong; wcstod is ok for negative numbers and directed rounding
Date: Wed, 13 Jun 2018 16:08:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|libc |math
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>From glibc-bugs-return-42201-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 16:08:04 2018
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Subject: [Bug libc/23279] scanf and strtod wrong for some hex floating-point
Date: Wed, 13 Jun 2018 16:08:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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>From glibc-bugs-return-42202-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 16:08:26 2018
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Subject: [Bug math/23279] scanf and strtod wrong for some hex floating-point
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----------------------------------------------------------------------------
Component|libc |math
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>From glibc-bugs-return-42204-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 13 18:57:43 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug librt/23273] glibc 2.27 doesn't build on arm: .../librtld.os: In function `process_dl_debug': raise.c:(.text+0x4f0): undefined reference to `memcpy'
Date: Wed, 13 Jun 2018 18:57:00 -0000
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----------------------------------------------------------------------------
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Resolution|--- |INVALID
--- Comment #7 from Sergei Trofimovich <slyfox at inbox dot ru> ---
Echoing https://sourceware.org/ml/libc-alpha/2018-06/msg00224.html here:
"""
CFLAGS/CPPFLAGS should work for us.
I was about to ask why glibc is special in handling CFLAGS. But I guess it's
not
special and is mimicked after default rules of GNU make. Which is:
.o: .S
$(AS) $(CPPFLAGS) $(ASFLAGS) ...
.o: .s
$(AS) $(ASFLAGS) ...
Thus passing ABI flags as part of ASFLAGS might be more generic (for projects
that use .s and .S). But for glibc CPPFLAGS are used in the same context as
[ASFLAGS].
"""
Bug can be closed as INVALID.
Thanks!
--- Comment #8 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
As per comment #7.
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From: "samuel.thibault@ens-lyon.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug hurd/23286] New: hurd: should have abilists for libmachuser and libhurduser
Date: Wed, 13 Jun 2018 19:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23286
Bug ID: 23286
Summary: hurd: should have abilists for libmachuser and
libhurduser
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: hurd
Assignee: unassigned at sourceware dot org
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We currently have
FAIL: mach/check-abi-libmachuser
FAIL: hurd/check-abi-libhurduser
because the abilist files are empty.
See http://sourceware.org/ml/libc-alpha/2018-04/msg00013.html :
“
> These actually depend on
> .defs files in gnumach and hurd, so we can't really define ABI files.
Depend in what way? Are you saying they export different symbols
depending on the versions of gnumach and hurd glibc is built with? How
are symbol versions for such extra symbols determined - based on gnumach
and hurd versions instead of glibc versions?
It's clearly desirable to be able to make sure that old symbol versions
don't change. But if the contents of those versions are determined by
gnumach and hurd, maybe those packages need to install ABI baselines for
the glibc tests (or something like that).
The nearest analogue I see in glibc for systems using the Linux kernel
(without more information on how the gnumach/hurd dependency works) is the
syscall lists - where we have a list in glibc of all possible syscall
names (sysdeps/unix/sysv/linux/syscall-names.list), and a test will fail
if the kernel has additional syscalls and is not newer than the version
listed in that list (so using a different kernel version does not result
in test failures, but the test is fully effective if the listed kernel
version or an older kernel version is used).
â€
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Subject: [Bug hurd/23286] hurd: should have abilists for libmachuser and libhurduser
Date: Wed, 13 Jun 2018 19:27:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 43b5ff50b5002b035ee9cd9d1c1f908b7cd4c370 (commit)
from fcd6b5ac36a49e83e27e9186ded04329d3b0b0d9 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=43b5ff50b5002b035ee9cd9d1c1f908b7cd4c370
commit 43b5ff50b5002b035ee9cd9d1c1f908b7cd4c370
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Wed Jun 13 21:12:23 2018 +0200
hurd: xfail missing abilist for libmachuser and libhurduser
They need more work to implement, see bug 23286.
* sysdeps/mach/hurd/i386/Makefile (test-xfail-check-abi-libhurduser,
test-xfail-check-abi-libmachuser): Add.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/mach/hurd/i386/Makefile | 8 ++++++++
2 files changed, 13 insertions(+), 0 deletions(-)
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Subject: [Bug libc/23281] FTW_MOUNT must not rely on st_dev to check whether a file is in the same mountpoint
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I think this is just another case where overlayfs is simply not
POSIX-conforming. Hypothetically, what could we do about this in glibc?
Is there any other way to test whether the two files are on the same
mountpoint? kcmp does not appear to offer this.
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From: "fabian@ritter-vogt.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23281] FTW_MOUNT must not rely on st_dev to check whether a file is in the same mountpoint
Date: Wed, 13 Jun 2018 20:11:00 -0000
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--- Comment #2 from Fabian Vogt <fabian@ritter-vogt.de> ---
(In reply to Florian Weimer from comment #1)
> I think this is just another case where overlayfs is simply not
> POSIX-conforming.
This seems to be a topic that comes up regularly with overlayfs - apparently it
was a conscious decision (and explicitly documented) that it behaves that way.
Not sure what can be done at this point.
> Hypothetically, what could we do about this in glibc?
>
> Is there any other way to test whether the two files are on the same
> mountpoint? kcmp does not appear to offer this.
A rather ugly way is to read in /proc/self/mountinfo and compare paths...
The way find handles -xdev is that it only compares st_dev of directories and
not files. Which shouldn't be a behaviour change except for bind-mounted files.
Those are fortunately rather rare.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23281] FTW_MOUNT must not rely on st_dev to check whether a file is in the same mountpoint
Date: Thu, 14 Jun 2018 08:11:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
st_dev is the *definition* of a mount point.
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To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23289] New: Why is the NSCD host cache corrupted occasionally?
Date: Thu, 14 Jun 2018 09:41:00 -0000
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Bug ID: 23289
Summary: Why is the NSCD host cache corrupted occasionally?
Product: glibc
Version: 2.17
Status: UNCONFIRMED
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Priority: P2
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Assignee: unassigned at sourceware dot org
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I encountered a problem when using NSCD+NSLCD+openLDAP to provide host name
resolution. I occasionally found that the ping command returned "unknown host"
error, but it got back to normal after I cleared the host cache using "nscd -i
hosts".
After searching on Google, I found many people had encountered problems like
this and the solution was also clear the NSCD cache.
I wonder if this is a bug. Under which condition would I encounter this
problem? How do I avoid this problem again? Thanks.
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
What is NSLCD?
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--- Comment #2 from Hao Lee <haolee.swjtu at gmail dot com> ---
(In reply to Andreas Schwab from comment #1)
> What is NSLCD?
nslcd is a daemon that will do LDAP queries for local processes based on a
simple configuration file.
NSCD can request data from NSLCD and NSLCD will connect to the openLDAP server
to retrieve the requested data.
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
There is no builtin support for that in nscd. How are they connected together?
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Subject: [Bug libc/23281] FTW_MOUNT must not rely on st_dev to check whether a file is in the same mountpoint
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
There is really not much we can do here until the kernel fixes overlayfs. Even
if we ignore FTW_MOUNT for directories, we'd still have the effect that writing
to directories will implicitly introduce new mount points, which is still
pretty strange.
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Subject: [Bug localedata/23290] New: IBM273 is not equivalent to ISO-8859-1
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Bug ID: 23290
Summary: IBM273 is not equivalent to ISO-8859-1
Product: glibc
Version: 2.28
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Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
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CC: libc-locales at sourceware dot org
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Flags: security-
We map this codepoint to a non-Latin-1 character:
<U203E> /xbc OVERLINE
However, the intent was to make this encoding a permutation of ISO-8859-1, and
our mapping breaks this. ICU has something like this:
<U20AF> /xbc MACRON
And according to the IBM and Unicode websites, the ICU mappings reflect IBM's
intent.
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>From glibc-bugs-return-42219-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 14 18:05:21 2018
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Subject: [Bug math/23292] New: 64-bit long double functions are redirected twice when using finite symbols
Date: Thu, 14 Jun 2018 18:05:00 -0000
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Bug ID: 23292
Summary: 64-bit long double functions are redirected twice when
using finite symbols
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: tuliom at linux dot ibm.com
Target Milestone: ---
Replace -mlong-double-128 with -mlong-double-64 in one of the long double
finite tests, e.g. math/test-ldouble-finite-acos.
After preprocessing the following code will be generated:
...
extern long double acosl (long double __x) __asm__ ("" "acos") __attribute__
((__nothrow__ , __leaf__));
...
extern long double acosl (long double) __asm__ ("" "__acos_finite")
__attribute__ ((__nothrow__ , __leaf__));
The following code is compiled, recent GCC versions (tested with GCC 7 and 8)
will generate the following warning/error:
./bits/math-finite.h:46:1: error: asm declaration ignored due to conflict with
previous rename [-Werror=pragmas]
__MATH_REDIRCALL (acos, , (_Mdouble_));
^~~~~~~~~~~~~~~~
./bits/math-finite.h:50:1: error: asm declaration ignored due to conflict with
previous rename [-Werror=pragmas]
__MATH_REDIRCALL (acosh, , (_Mdouble_));
This issue does not completely affect users because system headers are ignored
for this particular warning.
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Subject: [Bug math/23292] 64-bit long double functions are redirected twice when using finite symbols
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
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--- Comment #1 from Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> ---
I have proposed the following patch to fix this issue:
https://patchwork.sourceware.org/patch/27684/
I'm reworking it.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23202] tst-pkeys fails on POWER
Date: Thu, 14 Jun 2018 20:10:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
To fix this, we need an implement of pkey_set and pkey_get for POWER:
https://sourceware.org/ml/libc-alpha/2018-05/msg00760.html
We need some kernel fixes, especially for fork and execve:
https://lists.ozlabs.org/pipermail/linuxppc-dev/2018-June/174612.html
And then there are some incorrect assumptions encoded in tst-pkeys itself (I
have a patch).
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Subject: [Bug localedata/23290] IBM273 is not equivalent to ISO-8859-1
Date: Thu, 14 Jun 2018 20:35:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14beef7575099f6373f9a45b4656f1e3675f7372
commit 14beef7575099f6373f9a45b4656f1e3675f7372
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 14 22:34:09 2018 +0200
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
iconvdata/ibm273.c | 2 +-
localedata/charmaps/IBM273 | 2 +-
3 files changed, 10 insertions(+), 2 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Maybe you are hitting BZ#23178 ?
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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--- Comment #5 from Hao Lee <haolee.swjtu at gmail dot com> ---
(In reply to Adhemerval Zanella from comment #4)
> Maybe you are hitting BZ#23178 ?
Hi, thanks for providing this reference, but I'm afraid they are not the same
problem.
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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--- Comment #6 from Hao Lee <haolee.swjtu at gmail dot com> ---
(In reply to Andreas Schwab from comment #3)
> There is no builtin support for that in nscd. How are they connected
> together?
Sorry. I haven't dug deep into the details of this architecture, but using NSCD
as the cache of NSLCD is a common case.
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Hao Lee from comment #6)
> (In reply to Andreas Schwab from comment #3)
> > There is no builtin support for that in nscd. How are they connected
> > together?
>
> Sorry. I haven't dug deep into the details of this architecture, but using
> NSCD as the cache of NSLCD is a common case.
I think Andreas wants to know how you make nscd to connect to nslcd. I expect
that you have configured the nss_ldapd module in /etc/nssswitch.conf. Is that
right?
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--- Comment #8 from Hao Lee <haolee.swjtu at gmail dot com> ---
(In reply to Florian Weimer from comment #7)
> (In reply to Hao Lee from comment #6)
> > (In reply to Andreas Schwab from comment #3)
> > > There is no builtin support for that in nscd. How are they connected
> > > together?
> >
> > Sorry. I haven't dug deep into the details of this architecture, but using
> > NSCD as the cache of NSLCD is a common case.
>
> I think Andreas wants to know how you make nscd to connect to nslcd. I
> expect that you have configured the nss_ldapd module in /etc/nssswitch.conf.
> Is that right?
Right. /etc/nsswitch.conf has been configured to use ldap:
hosts: ldap files dns myhostname
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Subject: [Bug malloc/19564] Remove deprecated malloc symbols from the API
Date: Fri, 15 Jun 2018 08:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19564
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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Assignee|fweimer at redhat dot com |dj at redhat dot com
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From: "nszabolcs at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23293] New: aarch64: getauxval is broken when run as ld.so ./exe and ld.so adjusts argv on the stack
Date: Fri, 15 Jun 2018 12:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23293
Bug ID: 23293
Summary: aarch64: getauxval is broken when run as ld.so ./exe
and ld.so adjusts argv on the stack
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: nszabolcs at gmail dot com
Target Milestone: ---
on several targets the rtld entry point (_dl_start_user) adjusts
argv on the stack to have it right for the executed application
and to avoid a misaligned sp in the application elf entry point.
getauxval seems to use a global GLRO(dl_auxv) value that is
computed before the adjustments.
affects at least aarch64 and arm.
$ cat a.c
#include <stdio.h>
#include <sys/auxv.h>
int main()
{
for (int i=0; i < 40; i++)
printf("%2d 0x%lx\n", i, getauxval(i));
}
$ ./a.out
0 0x0
1 0x0
2 0x0
3 0xaaaad59e5040
4 0x38
5 0x8
6 0x1000
7 0xffff9c5fd000
8 0x0
9 0xaaaad59e5670
10 0x0
11 0x3e8
12 0x3e8
13 0x3e8
14 0x3e8
15 0xffffce3884b8
16 0x807
17 0x64
18 0x0
19 0x0
20 0x0
21 0x0
22 0x0
23 0x0
24 0x0
25 0xffffce3884a8
26 0x0
27 0x0
28 0x0
29 0x0
30 0x0
31 0xffffce388ff0
32 0x0
33 0xffff9c628000
34 0x0
35 0x0
36 0x0
37 0x0
38 0x0
39 0x0
$ /lib/ld-linux-aarch64.so.1 ./a.out
0 0x0
1 0x0
2 0x0
3 0x0
4 0x0
5 0x0
6 0x0
7 0x0
8 0x7
9 0x0
10 0x0
11 0x0
12 0x0
13 0x0
14 0x0
15 0x0
16 0x807
17 0x0
18 0x0
19 0x0
20 0x0
21 0x0
22 0x0
23 0x0
24 0x0
25 0x0
26 0x0
27 0x0
28 0x0
29 0x0
30 0x0
31 0x0
32 0x0
33 0x0
34 0x0
35 0x0
36 0x0
37 0x0
38 0x0
39 0x0
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23293] aarch64: getauxval is broken when run as ld.so ./exe and ld.so adjusts argv on the stack
Date: Fri, 15 Jun 2018 12:52:00 -0000
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
What |Removed |Added
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Target| |aarch64-*-*, arm-*-*
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From: "stli at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23183] tst-robustpi4 test failure on s390x
Date: Fri, 15 Jun 2018 12:55:00 -0000
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Stefan Liebler <stli at linux dot ibm.com> changed:
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CC| |stli at linux dot ibm.com
--- Comment #1 from Stefan Liebler <stli at linux dot ibm.com> ---
Created attachment 11071
--> https://sourceware.org/bugzilla/attachment.cgi?id=11071&action=edit
Reduced testcase which runs without the glibc-testsuite
I could reproduce this fail. I've used the source of glibc-upstream from today
without special cflags.
The used kernels are 4.14/4.16/4.17.
Here are some observations:
The tst-robustpi4.c includes tst-robust1.c with:
#define ENABLE_PI 1 (Thus the mutex is a PTHREAD_MUTEX_ROBUST_NP with
PTHREAD_PRIO_INHERIT protocol.)
#define NOT_CONSISTENT 1 (Thus pthread_mutex_init is called in each round)
For each round, the test creates the tf-thread which locks the mutex and is
then canceled by the main-thread.
Then the main-thread locks the mutex via pthread_mutex_lock and expects
EOWNERDEAD.
This call sometimes triggers the assertion.
If the round is odd, then the tf-thread is joined before this call to
pthread_mutex_lock.
According to the generated coredumps, the assertion occurs only if round is
even
=> Thus there was no pthread_join before the main-thread locks m1!
But the coredump contains only the main-thread but not the tf-thread.
=> At least at the time of coredump-generation, the tf-thread has already been
exited.
The following assertion has triggered:
/* ESRCH can happen only for non-robust PI mutexes where
the owner of the lock died. */
assert (INTERNAL_SYSCALL_ERRNO (e, __err) != ESRCH || !robust);
As "robust = 16", the syscall returned ESRCH.
Is the comment "for non-robust PI mutexes" correct?
(gdb) p/x m1
$4 = {__data = {__lock = 0xc0000000 = FUTEX_OWNER_DIED | FUTEX_WAITERS, __count
= 0x1, __owner = 0xebc3, __nusers = 0x1, __kind = 0xb0,
__spins = 0x0, __elision = 0x0, __list = {__prev = 0x3ffadcff9f0, __next =
0x3ffadcff9f0}},
I've extracted the relevant calls and adjusted the test in order to never use
pthread_join before the main-thread locks m1 and increased the number of
rounds.
On s390x, I've seen the assertion more often on a zVM-guest instead of running
directly on a lpar!
On x86_64, I've used a kvm-guest with Fedora 28. If I only run the test, I
don't see this assertion.
But if I e.g. build glibc while running the testcase, this assertion is also
triggered on x86_64!
I've used uprobes and setup the following uprobe events with a bash-script of
mine (The add_sym_tp-function adds a new tracepoint in a specific
shared-library - in this case libpthread.so):
# Mark new round when tf calls pthread_setcancelstate:
# Note: this is also called by assert!
#000000000000f908 <pthread_setcancelstate> clfi %r2,1
#000000000000f90e <pthread_setcancelstate+0x6> jh 000000000000f992
<pthread_setcancelstate+0x8a>
#000000000000f912 <pthread_setcancelstate+0xa> stmg %r10,%r15,80(%r15)
#000000000000f918 <pthread_setcancelstate+0x10> ear %r4,%a0
#000000000000f91c <pthread_setcancelstate+0x14> sllg %r4,%r4,32
#000000000000f922 <pthread_setcancelstate+0x1a> ear %r4,%a1
#-> 000000000000f926 <pthread_setcancelstate+0x1e> l %r2,264(%r4)
#r4=volatile struct pthread *self = THREAD_SELF;
add_sym_tp libpthread pthread_setcancelstate+0x1e "NEWROUNDTFtid=+208(%r4):x32"
# pthread_cancel() called by main-thread and I see the thread-id
#000000000000f7e8 <pthread_cancel> l %r1,208(%r2)
#-> 000000000000f7ec <pthread_cancel+0x4> cijnh %r1,0,000000000000f8b2
<pthread_cancel+0xca>
# if (INVALID_TD_P (pd)) => r1=tid
add_sym_tp libpthread pthread_cancel+0x4 "TFtid=%r1:x32"
# call of syscall exit-thread (see nptl/pthread_create.c
# at the end of START_THREAD_DEFN() { ... __exit_thread (); }!
#-> 0000000000007c12 <start_thread+0x172> svc 1
# r2 is the first argument of the syscall.
# I just need something to mark this event with EXITTHREAD!
add_sym_tp libpthread start_thread+0x172 "EXITTHREAD=%r2:u32"
# __pthread_mutex_lock__full() after compare-and-swap
# and before/after the futex(FUTEX_LOCK_PI)-syscall which returns ESRCH!
#int newval = id;
## ifdef NO_INCR
#newval |= FUTEX_WAITERS;
## endif
#oldval = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
#newval, 0);
add_sym_tp libpthread __pthread_mutex_lock_full+0x8e "CSOLDVAL=%r2:x32
NEWVAL=%r10:x32"
#0000000000009eda <__pthread_mutex_lock_full+0x8a> cs %r2,%r10,0(%r11)
#-> 0000000000009ede <__pthread_mutex_lock_full+0x8e> cije
%r2,0,000000000000a002 <__pthread_mutex_lock_full+0x1b2>
#0000000000009ee4 <__pthread_mutex_lock_full+0x94> cije %r9,0,000000000000a144
<__pthread_mutex_lock_full+0x2f4>
#0000000000009eea <__pthread_mutex_lock_full+0x9a> lghi %r3,6
#0000000000009eee <__pthread_mutex_lock_full+0x9e> lgr %r2,%r11
#0000000000009ef2 <__pthread_mutex_lock_full+0xa2> lghi %r4,1
#0000000000009ef6 <__pthread_mutex_lock_full+0xa6> lghi %r5,0
#-> 0000000000009efa <__pthread_mutex_lock_full+0xaa> svc 238
#-> 0000000000009efc <__pthread_mutex_lock_full+0xac> lhi %r3,-4096
#0000000000009f00 <__pthread_mutex_lock_full+0xb0> clrjnh
%r2,%r3,0000000000009f12 <__pthread_mutex_lock_full+0xc2>
#if (oldval != 0)
#{
# /* The mutex is locked. The kernel will now take care of
# everything. */
# int private = (robust
# ? PTHREAD_ROBUST_MUTEX_PSHARED (mutex)
# : PTHREAD_MUTEX_PSHARED (mutex));
# INTERNAL_SYSCALL_DECL (__err);
#int e = INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock,
# __lll_private_flag (FUTEX_LOCK_PI,
# private), 1, 0);
# .... assert (INTERNAL_SYSCALL_ERRNO (e, __err) != ESRCH || !robust);
add_sym_tp libpthread __pthread_mutex_lock_full+0xaa "SVCFUTEXUADDR=%r2:x64
OP=%r3:u32 MEMVAL=+0(%r11):x32 VAL=%r4:x32 TIMEOUT=%r5:u32"
add_sym_tp libpthread __pthread_mutex_lock_full+0xac "SVCFUTEXRET=%r2:x32
MEMVAL=+0(%r11):x32"
Here is an excerpt of the trace of the attached test-program
which never joins the thread before the main-thread locks the mutex.
Note the last round is the one with the assertion:
# tracer: nop
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
<...>-37926 [000] d... 358524.031410:
libpthread_pthread_setcancelstate_0x1e: (0x3ff9908f926) NEWROUNDTFtid=0x9426
<...>-37926 [000] d... 358524.031411:
libpthread___pthread_mutex_lock_full_0x8e: (0x3ff99089ede) CSOLDVAL=0x0
NEWVAL=0x9426
<...>-37715 [004] d... 358524.031418: libpthread_pthread_cancel_0x4:
(0x3ff9908f7ec) TFtid=0x9426
<...>-37715 [004] d... 358524.031422:
libpthread___pthread_mutex_lock_full_0x8e: (0x3ff99089ede) CSOLDVAL=0x9426
NEWVAL=0x9353
<...>-37715 [004] d... 358524.031423:
libpthread___pthread_mutex_lock_full_0xaa: (0x3ff99089efa)
SVCFUTEXUADDR=0x10030d0 OP=6 MEMVAL=0x9426 VAL=0x1 TIMEOUT=0
<...>-37926 [000] d... 358524.031426: libpthread_start_thread_0x172:
(0x3ff99087c12) EXITTHREAD=0
<...>-37715 [004] d... 358524.031433:
libpthread___pthread_mutex_lock_full_0xac: (0x3ff99089efc) SVCFUTEXRET=0x0
MEMVAL=0xc0009353
# ... all successfull rounds looks like the one before / after this comment.
# Note: the lock has the value: FUTEX_OWNER_DIED | FUTEX_WAITERS | <TID of
main-thread>
<...>-37927 [000] d... 358524.031443:
libpthread_pthread_setcancelstate_0x1e: (0x3ff9908f926) NEWROUNDTFtid=0x9427
<...>-37927 [000] d... 358524.031444:
libpthread___pthread_mutex_lock_full_0x8e: (0x3ff99089ede) CSOLDVAL=0x0
NEWVAL=0x9427
<...>-37715 [004] d... 358524.031450: libpthread_pthread_cancel_0x4:
(0x3ff9908f7ec) TFtid=0x9427
<...>-37715 [004] d... 358524.031454:
libpthread___pthread_mutex_lock_full_0x8e: (0x3ff99089ede) CSOLDVAL=0x9427
NEWVAL=0x9353
<...>-37715 [004] d... 358524.031455:
libpthread___pthread_mutex_lock_full_0xaa: (0x3ff99089efa)
SVCFUTEXUADDR=0x10030d0 OP=6 MEMVAL=0x9427 VAL=0x1 TIMEOUT=0
<...>-37927 [000] d... 358524.031458: libpthread_start_thread_0x172:
(0x3ff99087c12) EXITTHREAD=0
<...>-37715 [004] d... 358524.031465:
libpthread___pthread_mutex_lock_full_0xac: (0x3ff99089efc) SVCFUTEXRET=0x0
MEMVAL=0xc0009353
# In the failing round, sys_exit is already called before sys_futex.
# Note: the lock has the value: FUTEX_OWNER_DIED | FUTEX_WAITERS | 0
# and sys_futex is returning ESRCH!
<...>-37928 [000] d... 358524.031476:
libpthread_pthread_setcancelstate_0x1e: (0x3ff9908f926) NEWROUNDTFtid=0x9428
<...>-37928 [000] d... 358524.031478:
libpthread___pthread_mutex_lock_full_0x8e: (0x3ff99089ede) CSOLDVAL=0x0
NEWVAL=0x9428
<...>-37715 [004] d... 358524.031484: libpthread_pthread_cancel_0x4:
(0x3ff9908f7ec) TFtid=0x9428
<...>-37928 [000] d... 358524.031491: libpthread_start_thread_0x172:
(0x3ff99087c12) EXITTHREAD=0
<...>-37715 [004] d... 358524.031494:
libpthread___pthread_mutex_lock_full_0x8e: (0x3ff99089ede) CSOLDVAL=0x9428
NEWVAL=0x9353
<...>-37715 [004] d... 358524.031495:
libpthread___pthread_mutex_lock_full_0xaa: (0x3ff99089efa)
SVCFUTEXUADDR=0x10030d0 OP=6 MEMVAL=0x9428 VAL=0x1 TIMEOUT=0
<...>-37715 [004] d... 358524.031505:
libpthread___pthread_mutex_lock_full_0xac: (0x3ff99089efc)
SVCFUTEXRET=0xfffffffd MEMVAL=0xc0000000
# assert() is also calling pthread_setcancelstate:
<...>-37715 [004] d... 358524.031509:
libpthread_pthread_setcancelstate_0x1e: (0x3ff9908f926) NEWROUNDTFtid=0x9353
But it seems as ESRCH is a valid return-value of sys_futex while looking at the
kernel-sources (but I am no kernel expert):
sys_futex (FUTEX_LOCK_PI):
<ksrc>/kernel/futex.c: futex_lock_pi()
-> futex_lock_pi_atomic()
{
...
/*
* First waiter. Set the waiters bit before attaching ourself to
* the owner. If owner tries to unlock, it will be forced into
* the kernel and blocked on hb->lock.
*/
newval = uval | FUTEX_WAITERS;
ret = lock_pi_update_atomic(uaddr, uval, newval);
if (ret)
return ret;
# FUTEX_WAITERS flag is set. Now we race with sys_exit().
/*
* If the update of the user space value succeeded, we try to
* attach to the owner. If that fails, no harm done, we only
* set the FUTEX_WAITERS bit in the user space variable.
*/
return attach_to_pi_owner(uval, key, ps);
}
attach_to_pi_owner()
{
...
p = futex_find_get_task(pid);
if (!p)
return -ESRCH;
# Here is one ESRCH.
...
/*
* We need to look at the task state flags to figure out,
* whether the task is exiting. To protect against the do_exit
* change of the task flags, we do this protected by
* p->pi_lock:
*/
raw_spin_lock_irq(&p->pi_lock);
if (unlikely(p->flags & PF_EXITING)) {
/*
* The task is on the way out. When PF_EXITPIDONE is
* set, we know that the task has finished the
* cleanup:
*/
int ret = (p->flags & PF_EXITPIDONE) ? -ESRCH : -EAGAIN;
# Here is another one.
raw_spin_unlock_irq(&p->pi_lock);
put_task_struct(p);
return ret;
}
}
/*
* Process a futex-list entry, check whether it's owned by the
* dying task, and do notification if so:
*/
int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi)
{
u32 uval, uninitialized_var(nval), mval;
retry:
if (get_user(uval, uaddr))
return -1;
if ((uval & FUTEX_TID_MASK) == task_pid_vnr(curr)) {
/*
* Ok, this dying thread is truly holding a futex
* of interest. Set the OWNER_DIED bit atomically
* via cmpxchg, and if the value had FUTEX_WAITERS
* set, wake up a waiter (if any). (We have to do a
* futex_wake() even if OWNER_DIED is already set -
* to handle the rare but possible case of recursive
* thread-death.) The rest of the cleanup is done in
* userspace.
*/
mval = (uval & FUTEX_WAITERS) | FUTEX_OWNER_DIED;
# In the assertion case, I see exactly this pattern.
# Note: FUTEX_WAITERS is already set - see futex_lock_pi_atomic().
/*
* We are not holding a lock here, but we want to have
* the pagefault_disable/enable() protection because
* we want to handle the fault gracefully. If the
* access fails we try to fault in the futex with R/W
* verification via get_user_pages. get_user() above
* does not guarantee R/W access. If that fails we
* give up and leave the futex locked.
*/
if (cmpxchg_futex_value_locked(&nval, uaddr, uval, mval)) {
if (fault_in_user_writeable(uaddr))
return -1;
goto retry;
}
if (nval != uval)
goto retry;
/*
* Wake robust non-PI futexes here. The wakeup of
* PI futexes happens in exit_pi_state():
*/
if (!pi && (uval & FUTEX_WAITERS))
futex_wake(uaddr, 1, 1, FUTEX_BITSET_MATCH_ANY);
}
return 0;
}
sys_exit():
<ksrc>/kernel/exit.c: do_exit()
{
...
exit_signals(tsk); /* sets PF_EXITING */
/*
* Ensure that all new tsk->pi_lock acquisitions must observe
* PF_EXITING. Serializes against futex.c:attach_to_pi_owner().
*/
smp_mb();
...
exit_mm();
# This calls exit_robust_list() - see futex.c - which walks along the userspace
# robust-list of the exited thread and calls handle_futex_death() - see
futex.c.
/*
* We can do this unlocked here. The futex code uses this flag
* just to verify whether the pi state cleanup has been done
* or not. In the worst case it loops once more.
*/
tsk->flags |= PF_EXITPIDONE;
}
I think ESRCH is a valid case and glibc is not allowed to trigger the
assertion?
Shall it also add the tid of the calling thread to the lock-value in this case?
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>From glibc-bugs-return-42233-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 13:12:48 2018
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From: "tuliom at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23294] New: Complex _FloatN functions are redirected to the wrong function with -mlong-double-64
Date: Fri, 15 Jun 2018 13:12:00 -0000
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Bug ID: 23294
Summary: Complex _FloatN functions are redirected to the wrong
function with -mlong-double-64
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: tuliom at linux dot ibm.com
Target Milestone: ---
I reproduced this issue with math/test-ldouble-finite-acos.
I replaced -mlong-double-128 with -mlong-double-64.
The preprocessor generates:
extern _Complex _Float32 cacosf32 (_Complex _Float32 __z) __asm__ ("" "cacos")
__attribute__ ((__nothrow__ , __leaf__)); extern _Complex _Float32 __cacosf32
(_Complex _Float32 __z) __asm__ ("" "__cacos") __attribute__ ((__nothrow__ ,
__leaf__));
All complex _FloatN are redirected, even when they have their own symbols.
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>From glibc-bugs-return-42234-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 13:56:40 2018
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Subject: [Bug dynamic-link/23293] aarch64: getauxval is broken when run as ld.so ./exe and ld.so adjusts argv on the stack
Date: Fri, 15 Jun 2018 13:56:00 -0000
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|aarch64-*-*, arm-*-* |aarch64-*-*, arm-*-*,
| |nios2, ia64, alpha,
| |s390-32, sparc
--- Comment #1 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
i think it affects all targets with DL_ARGV_NOT_RELRO == 1
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>From glibc-bugs-return-42235-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 14:32:08 2018
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Subject: [Bug malloc/14827] free() doesn't honor M_TRIM_THRESHOLD
Date: Fri, 15 Jun 2018 14:32:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
CC| |kuraga333 at mail dot ru
--- Comment #5 from Aleksandr Kurakin <kuraga333 at mail dot ru> ---
Any news on this? This issue touchs many of applications and libraries.
Moreover, Anthony pointed the place of this bug.
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>From glibc-bugs-return-42236-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 15:57:21 2018
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Subject: [Bug nis/23266] stringop-truncation warning with new gcc8.1 in nisplus-parser.c
Date: Fri, 15 Jun 2018 15:57:00 -0000
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--- Comment #2 from InuSasha <dev at inusasha dot de> ---
@joseph: sorry i do not understand this code passage.
But with you hint to `--enable-obsolete-nsl`, i started to remove our
dependencies to the this.
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>From glibc-bugs-return-42237-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 16:20:04 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23294] Complex _FloatN functions are redirected to the wrong function with -mlong-double-64
Date: Fri, 15 Jun 2018 16:20:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I think this applies to the real functions in math.h as well - they have
the same issue of __MATHDECL_1 being redefined for long double
redirection, but not restored to its original version for _FloatN. (The
code for declaring narrowing functions, however, takes care to restore the
original __MATHCALL_NARROW definition if it's changed to declare long
double functions.)
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>From glibc-bugs-return-42238-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 17:36:30 2018
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Subject: [Bug libc/23007] strtod cannot handle -nan
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commit b0debe14fcfe690eee8b5e693554dd258603805d
Author: Herman ten Brugge <hermantenbrugge@home.nl>
Date: Fri Jun 15 17:35:17 2018 +0000
Fix sign of NaN returned by strtod (bug 23007).
As reported in bug 23007, strtod ignores any sign in the input string
in the case of a NaN result. Thes patch fixes this.
Tested for x86_64 (in conjunction with tests to be added separately).
[BZ #23007]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Return NaN of
appropriate sign.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
stdlib/strtod_l.c | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b12c1e7991cbde3d6fc70abfdf72abecce8b318c
commit b12c1e7991cbde3d6fc70abfdf72abecce8b318c
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Jun 15 17:36:21 2018 +0000
Add tests for sign of NaN returned by strtod (bug 23007).
This patch adds tests for bug 23007, strtod ignoring any sign in the
input string in the case of a NaN result.
Tested for x86_64.
[BZ #23007]
* stdlib/tst-strtod-nan-sign-main.c: New file.
* stdlib/tst-strtod-nan-sign.c: Likewise.
* wcsmbs/tst-wcstod-nan-sign.c: Likewise.
* stdlib/Makefile (tests): Add tst-strtod-nan-sign.
($(objpfx)tst-strtod-nan-sign): Depend on $(libm).
* wcsmbs/Makefile (tests) Add tst-wcstod-nan-sign.
($(objpfx)tst-wcstod-nan-sign): Depend on $(libm).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 ++++++++
stdlib/Makefile | 3 +-
stdlib/tst-strtod-nan-sign-main.c | 50 +++++++++++++++++++++++++++++++++++++
stdlib/tst-strtod-nan-sign.c | 23 +++++++++++++++++
wcsmbs/Makefile | 3 +-
wcsmbs/tst-wcstod-nan-sign.c | 23 +++++++++++++++++
6 files changed, 111 insertions(+), 2 deletions(-)
create mode 100644 stdlib/tst-strtod-nan-sign-main.c
create mode 100644 stdlib/tst-strtod-nan-sign.c
create mode 100644 wcsmbs/tst-wcstod-nan-sign.c
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>From glibc-bugs-return-42240-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 17:38:46 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23007] strtod cannot handle -nan
Date: Fri, 15 Jun 2018 17:38:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Component|libc |math
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #5 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28 (using the provided patch for the fix itself).
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From: "tuliom at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23294] Complex _FloatN functions are redirected to the wrong function with -mlong-double-64
Date: Fri, 15 Jun 2018 17:53:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |tuliom at linux dot ibm.com
--- Comment #2 from Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> ---
(In reply to joseph@codesourcery.com from comment #1)
> I think this applies to the real functions in math.h as well - they have
> the same issue of __MATHDECL_1 being redefined for long double
> redirection, but not restored to its original version for _FloatN. (The
> code for declaring narrowing functions, however, takes care to restore the
> original __MATHCALL_NARROW definition if it's changed to declare long
> double functions.)
Confirmed:
extern _Float32 acosf32 (_Float32 __x) __asm__ ("" "__acosf_finite")
__attribute__ ((__nothrow__ , __leaf__));
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>From glibc-bugs-return-42242-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 15 17:55:25 2018
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From: "tuliom at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23294] Complex _FloatN functions are redirected to the wrong function with -mlong-double-64
Date: Fri, 15 Jun 2018 17:55:00 -0000
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--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> ---
(In reply to Tulio Magno Quites Machado Filho from comment #2)
> Confirmed:
>
> extern _Float32 acosf32 (_Float32 __x) __asm__ ("" "__acosf_finite")
> __attribute__ ((__nothrow__ , __leaf__));
That's a pasto.
I meant to paste this:
extern _Float32 acosf32 (_Float32 __x) __asm__ ("" "acos") __attribute__
((__nothrow__ , __leaf__));
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>From glibc-bugs-return-42243-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 16 22:47:11 2018
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From: "danglin at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23296] New: Data race in setting function descriptor during lazy binding
Date: Sat, 16 Jun 2018 22:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23296
Bug ID: 23296
Summary: Data race in setting function descriptor during lazy
binding
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: danglin at gcc dot gnu.org
CC: carlos at redhat dot com, deller at gmx dot de,
drepper.fsp at gmail dot com
Target Milestone: ---
Host: hppa-unknown-linux-gnu
Target: hppa-unknown-linux-gnu
Build: hppa-unknown-linux-gnu
The debian normaliz package defaults to using OpenMP. With OpenMP, the
testsuite
fails quite consistently on hppa-linux. If I disable OpenMP or export
LD_BIND_NOW=y, the testsuite doesn't fail. OpenMP is also disabled on
alpha-linux-gnu mipsel-linux-gnu. The comment indicates that random bus
errors occur on mipsel but I don't know that the problem is the same as hppa.
The most common failure on hppa is a SEGV in _dl_fixup. It appears the
reloc offset passed to _dl_fixup is corrupt. Presumably, this is caused
by a race in installing the function descriptor.
dave@mx3210:~/debian/normaliz/normaliz-3.6.0+ds$ gdb -c
./_build/test/run_tests/core
/home/dave/debian/normaliz/normaliz-3.6.0+ds/_build/source/.libs/normaliz
GNU gdb (Debian 7.12-6+b2) 7.12.0.20161007-git
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "hppa-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from
/home/dave/debian/normaliz/normaliz-3.6.0+ds/_build/source/.libs/normaliz...done.
[New LWP 14189]
[New LWP 14197]
[New LWP 14192]
[New LWP 14150]
[New LWP 14208]
[New LWP 14204]
[New LWP 14200]
[New LWP 14194]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/hppa-linux-gnu/libthread_db.so.1".
Core was generated by
`/home/dave/debian/normaliz/normaliz-3.6.0+ds/_build/source/.libs/normaliz -s
te'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 _dl_fixup (l=0xf8bdeb50, reloc_arg=4136748372) at dl-runtime.c:75
75 dl-runtime.c: No such file or directory.
[Current thread is 1 (Thread 0xf5c910c0 (LWP 14189))]
(gdb) bt
#0 _dl_fixup (l=0xf8bdeb50, reloc_arg=4136748372) at dl-runtime.c:75
#1 0xf8bcc730 in _dl_runtime_resolve () at ../sysdeps/hppa/dl-trampoline.S:83
#2 0xf87af7e4 in libnormaliz::Full_Cone<long long>::find_new_facets(unsigned
int const&) [clone ._omp_fn.13] () at
../../source/libnormaliz/full_cone.cpp:421
#3 0x00000000 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) disass
Dump of assembler code for function _dl_fixup:
0xf8bc564c <+0>: stw rp,-14(sp)
0xf8bc5650 <+4>: ldo 80(sp),sp
0xf8bc5654 <+8>: stw r7,-6c(sp)
0xf8bc5658 <+12>: ldo -70(sp),r7
0xf8bc565c <+16>: stw r6,-68(sp)
0xf8bc5660 <+20>: stw r5,-64(sp)
0xf8bc5664 <+24>: stw r4,-60(sp)
0xf8bc5668 <+28>: stw r3,-5c(sp)
0xf8bc566c <+32>: stw r19,-20(sp)
0xf8bc5670 <+36>: ldw 7c(r26),r21
0xf8bc5674 <+40>: ldw 4(r21),r22
0xf8bc5678 <+44>: ldw 38(r26),r20
0xf8bc567c <+48>: add,l r25,r22,r6
=> 0xf8bc5680 <+52>: ldw r25(r22),r3
0xf8bc5684 <+56>: ldw 4(r6),r21
0xf8bc5688 <+60>: extrw,u r21,23,24,r31
0xf8bc568c <+64>: depw,z r31,27,28,ret1
0xf8bc5690 <+68>: ldw 34(r26),r22
0xf8bc5694 <+72>: ldw 4(r20),r20
0xf8bc5698 <+76>: add,l ret1,r20,r20
0xf8bc569c <+80>: extrw,u r21,31,8,r21
0xf8bc56a0 <+84>: stw r20,0(r7)
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) list dl-runtime.c:75
70 in dl-runtime.c
(gdb) directory /home/dave/debian/glibc/glibc-2.27/elf
Source directories searched: /home/dave/debian/glibc/glibc-2.27/elf:$cdir:$cwd
(gdb) list dl-runtime.c:75
70
71 const PLTREL *const reloc
72 = (const void *) (D_PTR (l, l_info[DT_JMPREL]) + reloc_offset);
73 const ElfW(Sym) *sym = &symtab[ELFW(R_SYM) (reloc->r_info)];
74 const ElfW(Sym) *refsym = sym;
75 void *const rel_addr = (void *)(l->l_addr + reloc->r_offset);
76 lookup_t result;
77 DL_FIXUP_VALUE_TYPE value;
78
79 /* Sanity check that we're really looking at a PLT relocation. */
(gdb) info threads
Id Target Id Frame
* 1 Thread 0xf5c910c0 (LWP 14189) _dl_fixup (l=0xf8bdeb50,
reloc_arg=4136748372) at dl-runtime.c:75
2 Thread 0xf448e0c0 (LWP 14197) new_heap (size=0, top_pad=<optimized out>)
at arena.c:520
3 Thread 0xf54900c0 (LWP 14192) _dl_runtime_resolve ()
at ../sysdeps/hppa/dl-trampoline.S:50
4 Thread 0xf8cfb040 (LWP 14150) boost::operator&<unsigned long,
std::allocator<unsigned long> > (x=..., y=...)
at /usr/include/boost/dynamic_bitset/dynamic_bitset.hpp:1772
5 Thread 0xf2c8b0c0 (LWP 14208) new_heap (size=0, top_pad=<optimized out>)
at arena.c:520
6 Thread 0xf348c0c0 (LWP 14204) new_heap (size=0, top_pad=<optimized out>)
at arena.c:520
7 Thread 0xf3c8d0c0 (LWP 14200) new_heap (size=0, top_pad=<optimized out>)
at arena.c:520
8 Thread 0xf4c8f0c0 (LWP 14194) new_heap (size=0, top_pad=<optimized out>)
at arena.c:520
(gdb) thread 3
[Switching to thread 3 (Thread 0xf54900c0 (LWP 14192))]
#0 _dl_runtime_resolve () at ../sysdeps/hppa/dl-trampoline.S:50
50 stw %rp, -20(%sp)
(gdb) thread 2
[Switching to thread 2 (Thread 0xf448e0c0 (LWP 14197))]
#0 new_heap (size=0, top_pad=<optimized out>) at arena.c:520
520 arena.c: No such file or directory.
(gdb) thread 3
[Switching to thread 3 (Thread 0xf54900c0 (LWP 14192))]
#0 _dl_runtime_resolve () at ../sysdeps/hppa/dl-trampoline.S:50
50 stw %rp, -20(%sp)
(gdb) p/x $sp
$1 = 0xf4c904c0
(gdb) thread 1
[Switching to thread 1 (Thread 0xf5c910c0 (LWP 14189))]
#0 _dl_fixup (l=0xf8bdeb50, reloc_arg=4136748372) at dl-runtime.c:75
75 void *const rel_addr = (void *)(l->l_addr + reloc->r_offset);
(gdb) p/x $sp
$2 = 0xf5491500
(gdb) p *l
$3 = {l_addr = 4166217728,
l_name = 0xf8bdeaf8
"/home/dave/debian/normaliz/normaliz-3.6.0+ds/_build/source/.libs/libnormaliz.so.3",
l_ld = 0xf8855a7c, l_next = 0xf8cff000,
l_prev = 0xf8bde668, l_real = 0xf8bdeb50, l_ns = 0, l_libname = 0xf8bdedac,
l_info = {0x0, 0xf8855ac4, 0xf8855b2c, 0xf8855b24, 0xf8855af4, 0xf8855b04,
0xf8855b0c, 0xf8855b44, 0xf8855b4c, 0xf8855b54, 0xf8855b14, 0xf8855b1c,
0xf8855ad4, 0xf8855adc, 0xf8855acc, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8855b34,
0x0, 0x0, 0xf8855b3c, 0x0, 0xf8855ae4, 0x0, 0xf8855aec, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0xf8855b64, 0xf8855b5c, 0x0, 0x0, 0x0, 0x0, 0xf8855b74,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf8855b6c,
0x0 <repeats 25 times>, 0xf8855afc}, l_phdr = 0xf8537034,
l_entry = 4166670160, l_phnum = 5, l_ldnum = 37, l_searchlist = {
r_list = 0x0, r_nlist = 0}, l_symbolic_searchlist = {r_list = 0xf8bdeda8,
r_nlist = 0}, l_loader = 0xf8bde668, l_versions = 0xf8cfd788,
l_nversions = 23, l_nbuckets = 2053, l_gnu_bitmask_idxbits = 1023,
l_gnu_shift = 15, l_gnu_bitmask = 0xf853cacc, {l_gnu_buckets = 0xf853dacc,
l_chain = 0xf853dacc}, {l_gnu_chain_zero = 0xf853f75c,
l_buckets = 0xf853f75c}, l_direct_opencount = 0, l_type = lt_library,
l_relocated = 1, l_init_called = 1, l_global = 1, l_reserved = 0,
l_phdr_allocated = 0, l_soname_added = 0, l_faked = 0, l_need_tls_init = 0,
l_auditing = 0, l_audit_any_plt = 0, l_removed = 0, l_contiguous = 1,
l_symbolic_in_local_scope = 0, l_free_initfini = 0, l_rpath_dirs = {
dirs = 0x0, malloced = 0}, l_reloc_result = 0x0, l_versyms = 0xf8593dd0,
---Type <return> to continue, or q <return> to quit---
l_origin = 0xf8bdedd0
"/home/dave/debian/normaliz/normaliz-3.6.0+ds/_build/source/.libs", l_map_start
= 4166217728, l_map_end = 4169519492,
l_text_end = 4169523200, l_scope_mem = {0xf8bde7c4, 0x0, 0x0, 0x0},
l_scope_max = 4, l_scope = 0xf8bded08, l_local_scope = {0xf8bdecac, 0x0},
l_file_id = {dev = 2065, ino = 4994321}, l_runpath_dirs = {dirs = 0x0,
malloced = 0}, l_initfini = 0xf8d00b88, l_reldeps = 0x0, l_reldepsmax = 0,
l_used = 1, l_feature_1 = 0, l_flags_1 = 0, l_flags = 0, l_idx = 0,
l_mach = {fptr_table_len = 3690, fptr_table = 0xf8ce0000}, l_lookup_cache = {
sym = 0xf8543ed4, type_class = 0, value = 0xf8cffde8, ret = 0xf6fd5fe8},
l_tls_initimage = 0x0, l_tls_initimage_size = 0, l_tls_blocksize = 0,
l_tls_align = 0, l_tls_firstbyte_offset = 0, l_tls_offset = 0,
l_tls_modid = 0, l_tls_dtor_count = 0, l_relro_addr = 0, l_relro_size = 0,
l_serial = 2, l_audit = 0xf8bdeda8}
(gdb) p *reloc
value has been optimized out
(gdb) ptype reloc
type = const struct {
Elf32_Addr r_offset;
Elf32_Word r_info;
Elf32_Sword r_addend;
} * const
(gdb) x/3x $r25
0xf691c554: 0x00031ee8 0xf8d00368 0xf691bed8
(gdb) frame 2
#2 0xf87af7e4 in libnormaliz::Full_Cone<long long>::find_new_facets(unsigned
int const&) [clone ._omp_fn.13] () at
../../source/libnormaliz/full_cone.cpp:421
421 for (; jj!= Neg_Subfacet_Multi_United.end(); ++jj) {
(gdb) disass $pc-16,$pc+16
Dump of assembler code from 0xf87af7d4 to 0xf87af7f4:
0xf87af7d4
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+752>: ldw
14(r26),r20
0xf87af7d8
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+756>: stw
r20,54(r22)
0xf87af7dc
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+760>: b,l
0xf87b7098,rp
0xf87af7e0
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+764>: copy
r19,r4
=> 0xf87af7e4
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+768>: copy
r4,r19
0xf87af7e8
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+772>: b,l
0xf87b9630,rp
0xf87af7ec
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+776>: copy
r19,r4
0xf87af7f0
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+780>:
cmpib,= 0,ret0,0xf87af818
<_ZN11libnormaliz9Full_ConeIxE15find_new_facetsERKj._omp_fn.13+820>
End of assembler dump.
(gdb) p/x $r19
$4 = 0xf8bdd164
(gdb) frame 0
#0 _dl_fixup (l=0xf8bdeb50, reloc_arg=4136748372) at dl-runtime.c:75
75 void *const rel_addr = (void *)(l->l_addr + reloc->r_offset);
(gdb) p/x $r25
$5 = 0xf691c554
(gdb) x/4i 0xf87b9630
0xf87b9630: addil L%-1800,r19,r1
0xf87b9634: ldw a8(r1),r21
0xf87b9638: bv r0(r21)
0xf87b963c: ldw ac(r1),r19
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>From glibc-bugs-return-42244-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jun 17 22:18:31 2018
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From: "bruno at clisp dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/13701] pthread_rwlock_rdlock & realtime scheduling writer lock precedence
Date: Sun, 17 Jun 2018 22:18:00 -0000
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--- Comment #10 from Bruno Haible <bruno at clisp dot org> ---
(In reply to Torvald Riegel from comment #6)
> Raised this as a POSIX bug:
> http://austingroupbugs.net/view.php?id=1111
This POSIX bug has been resolved. The essential sentence in the
pthread_rwlock_rdlock specification now reads:
[TPS] If the Thread Execution Scheduling option is supported, and the threads
involved in the lock are executing with the scheduling policies SCHED_FIFO or
SCHED_RR, the calling thread shall not acquire the lock if a writer holds the
lock or if the calling thread does not already hold a read lock and writers of
higher or equal priority are blocked on the lock; otherwise, the calling thread
shall acquire the lock.
Therefore, the "current implementation" that works as described in comment #3
is still not POSIX compliant.
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>From glibc-bugs-return-42245-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 09:39:21 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Mon, 18 Jun 2018 09:39:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11032|0 |1
is obsolete| |
--- Comment #5 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11077
--> https://sourceware.org/bugzilla/attachment.cgi?id=11077&action=edit
Corrected and converted into a patch
Mike brought to my attention that I made some corrections locally but did not
publish my fixed version. Thank you Mike for reminding me and for your review.
So here is a corrected version. Other remarks which I list in the comment 1
are still in effect (not fixed).
Michael, is it OK that you are listed in the git log as the original author of
this patch?
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>From glibc-bugs-return-42246-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 09:47:31 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23303] New: undefined reference to symbol '__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
Date: Mon, 18 Jun 2018 09:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23303
Bug ID: 23303
Summary: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
Product: glibc
Version: 2.28
Status: NEW
Keywords: testsuite
Severity: normal
Priority: P2
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Assignee: unassigned at sourceware dot org
Reporter: schwab@linux-m68k.org
CC: carlos at redhat dot com
Target Milestone: ---
Host: powerpc64le-*-*
The testsuite fails to build with gcc 8 on powerpc64le:
gcc -pie -Wl,-O1 -nostdlib -nostartfiles -o
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/stdlib/tst-strtod-nan-sign
-Wl,-z,combreloc -Wl,-z,relro -Wl,--hash-style=both
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-ase/csu/Scrt1.o
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/csu/crti.o
`gcc --print-file-name=crtbeginS.o`
home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/stdlib/tst-strtod-nan-sign.o
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/support/libsupport_nonshared.a
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/math/libm.so.6
-Wl,-dynamic-linker=/lib64/ld64.so.2
-Wl,-rpath-link=/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/math:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/elf:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/dlfcn:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/nss:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/nis:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/rt:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/resolv:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/crypt:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/mathvec:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/support:/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/nptl
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/libc.so.6
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/libc_nonshared.a
-Wl,--as-needed
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/elf/ld.so
-Wl,--no-as-needed -lgcc -Wl,--as-needed -lgcc_s -Wl,--no-as-needed `gcc
--print-file-name=crtendS.o`
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/csu/crtn.o
/usr/lib64/gcc/powerpc64le-suse-linux/8/../../../../powerpc64le-suse-linux/bin/ld:
/usr/lib64/gcc/powerpc64le-suse-linux/8/libgcc.a(float128-ifunc.o): undefined
reference to symbol '__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
/home/abuild/rpmbuild/BUILD/glibc-2.27.9000.481.g4d0ac0375b/cc-base/elf/ld.so:
error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
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>From glibc-bugs-return-42247-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 10:04:35 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 18 Jun 2018 10:04:00 -0000
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--- Comment #34 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I can't even read Armenian script but I'm trying to figure out what's going on
here. Armenian alphabet seems to have upper and lowercase, same as Latin,
Cyrillic, and Greek. Glibc currently seems to provide the month names starting
with uppercase. It is easy to convert between uppercase and lowercase:
uppercase code points are 0x30 less than lowercase. For example, current
March:
"<U0544><U0561><U0580><U057F><U056B>"
Decoded:
"Õ„Õ¡Ö€Õ¿Õ«"
Should be transliterated as:
"Marti"
My patch which is an import from CLDR converts it to:
alt_mon: "<U0574><U0561><U0580><U057F>" => "Õ´Õ¡Ö€Õ¿" => "mart"
mon: "<U0574><U0561><U0580><U057F><U056B>" => "Õ´Õ¡Ö€Õ¿Õ«" => "marti"
So it looks like the locale data currently contain the month names in a
genitive case (or whatever is correct to use in a full date) starting with
uppercase while CLDR uses lowercase exclusively. Please note that we had a
similar case in Lithuanian language already.
But Armenian language seems to use "month day" order, same as English, so the
month name may tend to appear at the beginning of a sentence and it may be
reasonable to start it with an uppercase even if there is no rule in a language
which says that the month names should be always titlecased. If mon array is
titlecased then alt_mon should be as well (CLDR suggest that alt_mon may be
titlecased and mon lowercased but not the reverse) so maybe we should use a
titlecase for alt_mon as well.
Converting this to a titlecase the decoded patch for hy_AM would look like
this:
diff --git a/localedata/locales/hy_AM b/localedata/locales/hy_AM
index 805c327..30033a9 100644
--- a/localedata/locales/hy_AM
+++ b/localedata/locales/hy_AM
@@ -130,6 +130,18 @@ abmon "Õ€Õ¶Õ¾";/
"Õ€Õ¸Õ¯";/
"Õ†Õ´Õ¢";/
"Ô´Õ¥Õ¯"
+alt_mon "Õ€Õ¸Ö‚Õ¶Õ¾Õ¡Ö€";/
+ "Õ“Õ¥Õ¿Ö€Õ¾Õ¡Ö€";/
+ "Õ„Õ¡Ö€Õ¿";/
+ "Ô±ÕºÖ€Õ«Õ¬";/
+ "Õ„Õ¡ÕµÕ«Õ½";/
+ "Õ€Õ¸Ö‚Õ¶Õ«Õ½";/
+ "Õ€Õ¸Ö‚Õ¬Õ«Õ½";/
+ "Õ•Õ£Õ¸Õ½Õ¿Õ¸Õ½";/
+ "ÕÕ¥ÕºÕ¿Õ¥Õ´Õ¢Õ¥Ö€";/
+ "Õ€Õ¸Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€";/
+ "Õ†Õ¸ÕµÕ¥Õ´Õ¢Õ¥Ö€";/
+ "Ô´Õ¥Õ¯Õ¿Õ¥Õ´Õ¢Õ¥Ö€"
mon "Õ€Õ¸Ö‚Õ¶Õ¾Õ¡Ö€Õ«";/
"Õ“Õ¥Õ¿Ö€Õ¾Õ¡Ö€Õ«";/
"Õ„Õ¡Ö€Õ¿Õ«";/
I'm still looking for the people to confirm this.
Links:
http://st.unicode.org/cldr-apps/v#/hy/Gregorian/
https://www.fileformat.info/info/unicode/block/armenian/list.htm
https://en.wikipedia.org/wiki/Armenian_alphabet
https://hy.wikipedia.org/wiki/%D5%84%D5%A1%D6%80%D5%BF%D5%AB_1 (this is an
example of an Armenian date)
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>From glibc-bugs-return-42248-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 11:28:57 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23303] undefined reference to symbol '__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
Date: Mon, 18 Jun 2018 11:28:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=809dc95d14b7c0245c9ec102c51fd72c42108973
commit 809dc95d14b7c0245c9ec102c51fd72c42108973
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Jun 18 11:27:51 2018 +0000
Fix powerpc64le build of nan-sign tests (bug 23303).
My recent nan-sign tests fail to build for powerpc64le with GCC 8
because of the special compile / link options needed there for any
test using _Float128. This patch arranges for these tests to be
handled on powerpc64le similarly to other such tests.
Tested with build-many-glibcs.py for powerpc64le.
[BZ #23303]
* sysdeps/powerpc/powerpc64/le/Makefile
(CFLAGS-tst-strtod-nan-sign.c): Add -mfloat128.
(CFLAGS-tst-wcstod-nan-sign.c): Likewise.
(gnulib-tests): Also add $(f128-loader-link) for
tst-strtod-nan-sign abd tst-wcstod-nan-sign.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
sysdeps/powerpc/powerpc64/le/Makefile | 5 ++++-
2 files changed, 13 insertions(+), 1 deletions(-)
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Subject: [Bug build/23303] undefined reference to symbol '__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
Date: Mon, 18 Jun 2018 11:29:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Mon, 18 Jun 2018 11:52:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80c83e91140d429c73f79092fdb75eed0fb71da0
commit 80c83e91140d429c73f79092fdb75eed0fb71da0
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
(cherry picked from commit 5aad5f617892e75d91d4c8fb7594ff35b610c042)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 15 ++++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 169 insertions(+), 93 deletions(-)
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Subject: [Bug dynamic-link/21942] _dl_dst_substitute incorrectly handles $ORIGIN: with AT_SECURE=1
Date: Mon, 18 Jun 2018 11:52:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80c83e91140d429c73f79092fdb75eed0fb71da0
commit 80c83e91140d429c73f79092fdb75eed0fb71da0
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
(cherry picked from commit 5aad5f617892e75d91d4c8fb7594ff35b610c042)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 15 ++++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 169 insertions(+), 93 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/18018] Additional $ORIGIN handling issues (CVE-2011-0536)
Date: Mon, 18 Jun 2018 11:52:00 -0000
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This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80c83e91140d429c73f79092fdb75eed0fb71da0
commit 80c83e91140d429c73f79092fdb75eed0fb71da0
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
(cherry picked from commit 5aad5f617892e75d91d4c8fb7594ff35b610c042)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 15 ++++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 169 insertions(+), 93 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
Date: Mon, 18 Jun 2018 11:52:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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commit 80c83e91140d429c73f79092fdb75eed0fb71da0
Author: Carlos O'Donell <carlos@redhat.com>
Date: Tue Jun 5 23:55:17 2018 -0400
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
This commit improves DST handling significantly in the following
ways: firstly is_dst () is overhauled to correctly process DST
sequences that would be accepted given the ELF gABI. This means that
we actually now accept slightly more sequences than before. Now we
accept $ORIGIN$ORIGIN, but in the past we accepted only $ORIGIN\0 or
$ORIGIN/..., but this kind of behaviour results in unexpected
and uninterpreted DST sequences being used as literal search paths
leading to security defects. Therefore the first step in correcting
this defect is making is_dst () properly account for all DSTs
and making the function context free in the sense that it counts
DSTs without knowledge of path, or AT_SECURE. Next, _dl_dst_count ()
is also simplified to count all DSTs regardless of context.
Then in _dl_dst_substitute () we reintroduce context-dependent
processing for such things as AT_SECURE handling. At the level of
_dl_dst_substitute we can have access to things like the true start
of the string sequence to validate $ORIGIN-based paths rooted in
trusted directories. Lastly, we tighten up the accepted sequences
in AT_SECURE, and avoid leaving known unexpanded DSTs, this is
noted in the NEWS entry.
Verified with a sequence of 68 tests on x86_64 that cover
non-AT_SECURE and AT_SECURE testing using a sysroot (requires root
to run). The tests cover cases for bug 23102, bug 21942, bug 18018,
and bug 23259. These tests are not yet appropriate for the glibc
regression testsuite, but with the upcoming test-in-container testing
framework it should be possible to include these tests upstream soon.
See the mailing list for the tests:
https://www.sourceware.org/ml/libc-alpha/2018-06/msg00251.html
(cherry picked from commit 5aad5f617892e75d91d4c8fb7594ff35b610c042)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++
NEWS | 15 ++++
elf/dl-deps.c | 2 +-
elf/dl-dst.h | 13 ----
elf/dl-load.c | 213 ++++++++++++++++++++++++++++++++++++---------------------
5 files changed, 169 insertions(+), 93 deletions(-)
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>From glibc-bugs-return-42254-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 11:59:51 2018
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 18 Jun 2018 11:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23140
--- Comment #35 from keld at keldix dot com <keld at keldix dot com> ---
If month (and day) names are not capitalized, then the should not be
capitalized in our
locales, even if they often appear first in a sentence. This is damaging the
culture in question.
I see a lot of instances in my own language, where people wrongly spell month
(and day) names
with a capitalized first letter, and that is really not correct. Using the
argumentation
below is not helping the language.
Best regards
Keld
On Mon, Jun 18, 2018 at 10:04:25AM +0000, digitalfreak at lingonborough dot com
wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23140
>
> --- Comment #34 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
> I can't even read Armenian script but I'm trying to figure out what's going on
> here. Armenian alphabet seems to have upper and lowercase, same as Latin,
> Cyrillic, and Greek. Glibc currently seems to provide the month names starting
> with uppercase. It is easy to convert between uppercase and lowercase:
> uppercase code points are 0x30 less than lowercase. For example, current
> March:
>
> "<U0544><U0561><U0580><U057F><U056B>"
>
> Decoded:
>
> "??????????"
>
> Should be transliterated as:
>
> "Marti"
>
> My patch which is an import from CLDR converts it to:
>
> alt_mon: "<U0574><U0561><U0580><U057F>" => "????????" => "mart"
> mon: "<U0574><U0561><U0580><U057F><U056B>" => "??????????" => "marti"
>
> So it looks like the locale data currently contain the month names in a
> genitive case (or whatever is correct to use in a full date) starting with
> uppercase while CLDR uses lowercase exclusively. Please note that we had a
> similar case in Lithuanian language already.
>
> But Armenian language seems to use "month day" order, same as English, so the
> month name may tend to appear at the beginning of a sentence and it may be
> reasonable to start it with an uppercase even if there is no rule in a language
> which says that the month names should be always titlecased. If mon array is
> titlecased then alt_mon should be as well (CLDR suggest that alt_mon may be
> titlecased and mon lowercased but not the reverse) so maybe we should use a
> titlecase for alt_mon as well.
>
> Converting this to a titlecase the decoded patch for hy_AM would look like
> this:
>
> diff --git a/localedata/locales/hy_AM b/localedata/locales/hy_AM
> index 805c327..30033a9 100644
> --- a/localedata/locales/hy_AM
> +++ b/localedata/locales/hy_AM
> @@ -130,6 +130,18 @@ abmon "??????";/
> "??????";/
> "??????";/
> "??????"
> +alt_mon "??????????????";/
> + "??????????????";/
> + "????????";/
> + "??????????";/
> + "??????????";/
> + "????????????";/
> + "????????????";/
> + "??????????????";/
> + "??????????????????";/
> + "??????????????????";/
> + "????????????????";/
> + "??????????????????"
> mon "????????????????";/
> "????????????????";/
> "??????????";/
>
> I'm still looking for the people to confirm this.
>
> Links:
>
> http://st.unicode.org/cldr-apps/v#/hy/Gregorian/
> https://www.fileformat.info/info/unicode/block/armenian/list.htm
> https://en.wikipedia.org/wiki/Armenian_alphabet
> https://hy.wikipedia.org/wiki/%D5%84%D5%A1%D6%80%D5%BF%D5%AB_1 (this is an
> example of an Armenian date)
>
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>From glibc-bugs-return-42255-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 12:46:51 2018
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From: "triegel at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/13701] pthread_rwlock_rdlock & realtime scheduling writer lock precedence
Date: Mon, 18 Jun 2018 12:46:00 -0000
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Torvald Riegel <triegel at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |codonell at redhat dot com
--- Comment #11 from Torvald Riegel <triegel at redhat dot com> ---
The Austin Group has fixed the obvious inconsistency related to recursive
acquisition, but it hasn't addressed the design / performance issue (see my
initial description the POSIX bug report). It even clarifies that recursive
rdlocks are allowed, which is one of the things that cause the performance
problem.
We should not penalize the performance in the common case for the TPS niche
case. I'm not aware of a way to avoid this performance penalty, and unless
someone proposes a solution that avoids it, we should simply deviate from the
POSIX requirements in this case.
We can set this to WONTFIX once we have documented that glibcs deviates from
POSIX in this case, and why.
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Subject: [Bug localedata/23290] IBM273 is not equivalent to ISO-8859-1
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1592270
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To: glibc-bugs@sourceware.org
Subject: [Bug network/15722] Verify that all internal sockets opened with SOCK_CLOEXEC
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fe8fc793f2e98c28c07428fabdeaf2f3c3480c7
commit 3fe8fc793f2e98c28c07428fabdeaf2f3c3480c7
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 18 13:08:08 2018 +0200
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/check_pf.c | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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>From glibc-bugs-return-42258-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 13:27:02 2018
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Subject: [Bug network/15722] Verify that all internal sockets opened with SOCK_CLOEXEC
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
I believe with commit 3fe8fc793f2e98c28c07428fabdeaf2f3c3480c7, the Linux side
should be fixed now.
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Subject: [Bug dynamic-link/19818] Absolute (SHN_ABS) symbols incorrectly relocated by the base address
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Maciej W. Rozycki <macro@linux-mips.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |23307
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=23307
[Bug 23307] Absolute symbols whose value is zero ignored in lookup
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https://sourceware.org/bugzilla/show_bug.cgi?id=23307
Bug ID: 23307
Summary: Absolute symbols whose value is zero ignored in lookup
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: macro@linux-mips.org
CC: amodra at gmail dot com
Depends on: 19818
Blocks: 21375
Target Milestone: 2.28
We have this condition in `check_match' (in elf/dl-lookup.c):
if (__glibc_unlikely ((sym->st_value == 0 /* No value. */
&& stt != STT_TLS)
|| ELF_MACHINE_SYM_NO_MATCH (sym)
|| (type_class & (sym->st_shndx == SHN_UNDEF))))
return NULL;
which causes all !STT_TLS symbols whose value is zero to be silently
ignored in lookup. This may make sense for regular symbols, however not
for absolute ones, where zero is like any value, there's no special
meaning attached to it.
Consequently legitimate programs fail, for example taking the
`elf/tst-absolute-sym' test case, substituting 0 for 0x55aa in
`elf/tst-absolute-sym-lib.lds' and then trying to run the resulting
program we get this:
$ .../elf/tst-absolute-sym
.../elf/tst-absolute-sym: symbol lookup error: .../elf/tst-absolute-sym-lib.so:
undefined symbol: absolute
$
even though the symbol clearly is there:
$ readelf --dyn-syms .../elf/tst-absolute-sym-lib.so | grep '\babsolute\b'
7: 00000000 0 NOTYPE GLOBAL DEFAULT ABS absolute
$
I have tracked down the check for the zero value to have been there since
forever or commit d66e34cd4234/08162fa88891 ("Implemented runtime dynamic
linker to support ELF shared libraries.") dating back to May 2nd 1995. I
have also verified the problem to trigger regardless of commit
e7feec374c63 ("elf: Correct absolute (SHN_ABS) symbol run-time
calculation [BZ #19818]") being present or not (cf PR 19818).
Therefore I think we should consider a fix to this bug along with commit
e7feec374c63 an ABI change and update `libc-abis' accordingly, so that
programs relying on an absolute symbol having the value of zero, when run
with an old dynamic loader, fail with a meaningful error message about
the ABI being unsupported, rather than "undefined symbol", which in the
presence of the symbol referred can be quite confusing.
This is a blocking issue for binutils PR ld/21375 and I'd like to get it
fixed for 2.28. I have patches completed and regression-tested already,
and will post them shortly.
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=19818
[Bug 19818] Absolute (SHN_ABS) symbols incorrectly relocated by the base
address
https://sourceware.org/bugzilla/show_bug.cgi?id=21375
[Bug 21375] MIPS: Non-zero run-time value produced for PIC references to
undefined hidden or internal weak symbols
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Subject: [Bug dynamic-link/23307] Absolute symbols whose value is zero ignored in lookup
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Maciej W. Rozycki <macro@linux-mips.org> changed:
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>From glibc-bugs-return-42262-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 14:20:11 2018
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From: "danglin at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
Date: Mon, 18 Jun 2018 14:20:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23296
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
After thinking about this, I don't believe this can be fixed in glibc.
1) The window for the race could be reduced by atomically updating function
descriptors but the race can't be fully eliminated. See for example the linker
stub shown at the end of comment #1. Function descriptors would have to have
8 byte alignment.
2) Even if we could detect the case where the function descriptor has been
updated between the loading of the ip and gp values, there's no way to find
the function descriptor and correct the ip value.
So, I think we should link pthread executables and shared libraries with
"-z now".
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>From glibc-bugs-return-42263-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 16:31:25 2018
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Subject: [Bug localedata/23308] New: Update locale data to Unicode 11.0.0
Date: Mon, 18 Jun 2018 16:31:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23308
Bug ID: 23308
Summary: Update locale data to Unicode 11.0.0
Product: glibc
Version: 2.28
Status: NEW
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Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
Now that Unicode 11.0.0 is released, the locale data that was updated for
Unicode 10.0.0 (bug 21533) should be updated to 11.0.0.
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>From glibc-bugs-return-42264-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 16:31:26 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
Date: Mon, 18 Jun 2018 16:31:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to John David Anglin from comment #1)
> After thinking about this, I don't believe this can be fixed in glibc.
>
> 1) The window for the race could be reduced by atomically updating function
> descriptors but the race can't be fully eliminated. See for example the
> linker
> stub shown at the end of comment #1. Function descriptors would have to have
> 8 byte alignment.
>
> 2) Even if we could detect the case where the function descriptor has been
> updated between the loading of the ip and gp values, there's no way to find
> the function descriptor and correct the ip value.
>
> So, I think we should link pthread executables and shared libraries with
> "-z now".
You have not described the race.
Could you please describe the race in detail?
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>From glibc-bugs-return-42265-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 18 16:33:08 2018
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23036
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Mike FABIAN from comment #0)
> Now that Unicode 11.0.0 is released, the locale data that was updated for
> Unicode 10.0.0 (bug 21533) should be updated to 11.0.0.
I would really like to see bug 23036 investigated before we update further from
Unicode/CLDR.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23036
Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
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From: "dave.anglin at bell dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
Date: Mon, 18 Jun 2018 17:17:00 -0000
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--- Comment #3 from dave.anglin at bell dot net ---
On 2018-06-18 12:31 PM, carlos at redhat dot com wrote:
> You have not described the race.
>
> Could you please describe the race in detail?
What I believe is happening is a race in updating a function descriptor
between two or more
threads during lazy binding. It can occur due to a context switch
either in setting the descriptor or
in loading the descriptor. The gp value is stored first when a
descriptor is set. It is loaded
last in call stubs and indirect calls. The result is
_dl_runtime_resolve can be called with r19 containing
the ltp value for the descriptor instead of the reloc offset. This
causes a segmentation fault in
_dl_fixup when it happens.
The problem is worse in OpenMP code as several threads can be competing
to call the same
function.
Dave
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
Date: Mon, 18 Jun 2018 19:58:00 -0000
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--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to Mike FABIAN from comment #0)
> > Now that Unicode 11.0.0 is released, the locale data that was updated for
> > Unicode 10.0.0 (bug 21533) should be updated to 11.0.0.
>
> I would really like to see bug 23036 investigated before we update further
> from Unicode/CLDR.
bug#23036 is unrelated to the LC_CTYPE and width updates.
This bug here is only about the code point stuff, it has nothing to
do with collation.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
Date: Mon, 18 Jun 2018 19:59:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to dave.anglin from comment #3)
> On 2018-06-18 12:31 PM, carlos at redhat dot com wrote:
> > You have not described the race.
> >
> > Could you please describe the race in detail?
> What I believe is happening is a race in updating a function descriptor
> between two or more
> threads during lazy binding. It can occur due to a context switch
> either in setting the descriptor or
> in loading the descriptor. The gp value is stored first when a
> descriptor is set. It is loaded
> last in call stubs and indirect calls. The result is
> _dl_runtime_resolve can be called with r19 containing
> the ltp value for the descriptor instead of the reloc offset. This
> causes a segmentation fault in
> _dl_fixup when it happens.
Thanks, that makes it clearer.
I can't see how the store order of gp first then ip second ever really made a
difference in anything then. What does that ordering fix? Was it designed that
way to simply cause the process to enter rtld and fail? If the gp was equal to
some reloc offset then it would be an invisible failure!
My suggestion:
Make the update sequence thread-safe.
- reloc offset should be even.
- gp should be even.
- store "this is a reloc offset" in the low bit.
- alter _dl_fixup generic code to be able to cope with a sheared read of the
two words in the function descriptor. The low bit of reloc-offset is
effectively helping you keep the two words in sync (we used a common idiom for
64-bit counters constructed of two 32-bit counters in condition variables).
Like with POWER, you may need to alter binutils to reject odd reloc offsets,
and always add the '| 1' bit, and then make rtld handle that.
Thoughts?
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Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to John David Anglin from comment #1)
> 2) Even if we could detect the case where the function descriptor has been
> updated between the loading of the ip and gp values, there's no way to find
> the function descriptor and correct the ip value.
Ah, this is the problem then, you have only the relocated gp, and you need the
reloc itself to compute ip, and the gp is not enough information.
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Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
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--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #5)
> (In reply to John David Anglin from comment #1)
> > 2) Even if we could detect the case where the function descriptor has been
> > updated between the loading of the ip and gp values, there's no way to find
> > the function descriptor and correct the ip value.
>
> Ah, this is the problem then, you have only the relocated gp, and you need
> the reloc itself to compute ip, and the gp is not enough information.
No... wait a minute.
We do all the work in elf_machine_runtime_setup to set these up?
For PLT relocs we walk all the jmprel relocs and setup the reloc offset.
So to fix this at additional per-thread cost in lazy binding, we could just do
the work all over again for the specific thread?
249 /* Process all the relocs, now that we know the GOT... */
250 for (iplt = jmprel; iplt < end_jmprel; iplt += sizeof (Elf32_Rela))
251 {
252 reloc = (const Elf32_Rela *) iplt;
253 r_type = ELF32_R_TYPE (reloc->r_info);
254 r_sym = ELF32_R_SYM (reloc->r_info);
255
256 if (__builtin_expect (r_type == R_PARISC_IPLT, 1))
257 {
258 fptr = (struct fdesc *) (reloc->r_offset + l_addr);
Here we would compare fptr to the plt entry we're trying to update.
If it matched, we would have the matching reloc?
259 if (r_sym != 0)
260 {
261 /* Relocate the pointer to the stub. */
262 fptr->ip = (Elf32_Addr) got - GOT_FROM_PLT_STUB;
263
264 /* Instead of the LTP value, we put the reloc offset
265 here. The trampoline code will load the proper
266 LTP and pass the reloc offset to the fixup
267 function. */
268 fptr->gp = iplt - jmprel;
Instead of doing this, we defer this to each thread which redoes the work.
Then every thread does an idempotent update.
269 } /* r_sym != 0 */
270 else
271 {
272 /* Relocate this *ABS* entry. */
273 fptr->ip = reloc->r_addend + l_addr;
274 fptr->gp = D_PTR (l, l_info[DT_PLTGOT]);
Ignore *ABS*, since they were already done.
275 }
276 } /* r_type == R_PARISC_IPLT */
277 } /* for all the relocations */
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Mike FABIAN from comment #2)
> (In reply to Carlos O'Donell from comment #1)
> > (In reply to Mike FABIAN from comment #0)
> > > Now that Unicode 11.0.0 is released, the locale data that was updated for
> > > Unicode 10.0.0 (bug 21533) should be updated to 11.0.0.
> >
> > I would really like to see bug 23036 investigated before we update further
> > from Unicode/CLDR.
>
> bug#23036 is unrelated to the LC_CTYPE and width updates.
> This bug here is only about the code point stuff, it has nothing to
> do with collation.
OK, if the Unicode 11.0.0 update doesn't touch collation at all, doesn't
include any CLDR data import, then I'm OK with it going forward before we
resolve the equivalence class bug.
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Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
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--- Comment #7 from dave.anglin at bell dot net ---
On 2018-06-18 4:17 PM, carlos at redhat dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23296
>
> --- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
> (In reply to Carlos O'Donell from comment #5)
>> (In reply to John David Anglin from comment #1)
>>> 2) Even if we could detect the case where the function descriptor has been
>>> updated between the loading of the ip and gp values, there's no way to find
>>> the function descriptor and correct the ip value.
>> Ah, this is the problem then, you have only the relocated gp, and you need
>> the reloc itself to compute ip, and the gp is not enough information.
> No... wait a minute.
>
> We do all the work in elf_machine_runtime_setup to set these up?
>
> For PLT relocs we walk all the jmprel relocs and setup the reloc offset.
>
> So to fix this at additional per-thread cost in lazy binding, we could just do
> the work all over again for the specific thread?
>
>
> 249 /* Process all the relocs, now that we know the GOT... */
> 250 for (iplt = jmprel; iplt < end_jmprel; iplt += sizeof (Elf32_Rela))
> 251 {
> 252 reloc = (const Elf32_Rela *) iplt;
> 253 r_type = ELF32_R_TYPE (reloc->r_info);
> 254 r_sym = ELF32_R_SYM (reloc->r_info);
> 255
> 256 if (__builtin_expect (r_type == R_PARISC_IPLT, 1))
> 257 {
> 258 fptr = (struct fdesc *) (reloc->r_offset + l_addr);
>
> Here we would compare fptr to the plt entry we're trying to update.
Unfortunately, we don't have fptr. We have got, gp and l. This gives
jmprel and end_jmprel
but I don't think gp is sufficient to find the reloc.
We have rp. With that, we can find the original branch but it would be
tough to find the fptr
as the tramp currently clobbers r20 to r22. It doesn't need to clobber
r22 but that doesn't
help much.
Dave
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 18 Jun 2018 22:57:00 -0000
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--- Comment #36 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to keld@keldix.com from comment #35)
> If month (and day) names are not capitalized, then the should not be
> capitalized in our
> locales, even if they often appear first in a sentence.
I think we are repeating the discussion from comment 2 and comment 3. In short
terms: it would be nice to have flags allowing to select
uppercase/lowercase/titlecase but such feature does not exist yet.
> This is damaging the
> culture in question.
> I see a lot of instances in my own language, where people wrongly spell
> month (and day) names
> with a capitalized first letter, and that is really not correct. Using the
> argumentation
> below is not helping the language.
I think I understand you. But we can't fix the people wrongly spelling the
month names (capitalizing where it is not correct), we can only fix software
here (e.g., not capitalizing where it should).
Regarding the particular case of Armenian language I would like to leave the
decision to the actual language community but I'm afraid that the community
will not speak up here. As we are not sure what to do and none of us has a
sufficient knowledge I suggest not touching this language at all.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23313] New: libio vtables validation and standard file object interposition
Date: Tue, 19 Jun 2018 09:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23313
Bug ID: 23313
Summary: libio vtables validation and standard file object
interposition
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: stdio
Assignee: fweimer at redhat dot com
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
Bug description: https://sourceware.org/ml/libc-alpha/2018-06/msg00437.html
Key part follows.
glibc's printf uses this stdout value to call _IO_vfprintf_internal:
(gdb) info symb 0xf7e6c480
_IO_2_1_stdout_ in section .data of /usr/lib/libstdc++-libc6.2-2.so.3
What happened here is that this version of libstdc++ has interposed
_IO_2_1_stdout_, and it supplied its own vtable:
(gdb) info symb _IO_2_1_stdout_.vtable
filebuf virtual table in section .data of /usr/lib/libstdc++-libc6.2-2.so.3
This is also visibile in LD_DEBUG=bindings logging:
21425: binding file /lib/i386-linux-gnu/libc.so.6 [0] to
/usr/lib/libstdc++-libc6.2-2.so.3 [0]: normal symbol `_IO_2_1_stderr_'
[GLIBC_2.1]
21425: binding file /lib/i386-linux-gnu/libc.so.6 [0] to
/usr/lib/libstdc++-libc6.2-2.so.3 [0]: normal symbol `_IO_2_1_stdout_'
[GLIBC_2.1]
21425: binding file /lib/i386-linux-gnu/libc.so.6 [0] to
/usr/lib/libstdc++-libc6.2-2.so.3 [0]: normal symbol `_IO_2_1_stdin_'
[GLIBC_2.1]
We should fix this by detecting such interposition and disabling validation in
this case.
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Subject: [Bug stdio/23313] libio vtables validation and standard file object interposition
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----------------------------------------------------------------------------
Status|NEW |ASSIGNED
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23183] tst-robustpi4 test failure on s390x
Date: Tue, 19 Jun 2018 10:55:00 -0000
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--- Comment #2 from Stefan Liebler <stli at linux dot ibm.com> ---
I've also added some kprobes in order to trace the syscalls exit / futex in the
assertion-case.
Assumption: The dying thread (tid=0xa3c) owns the mutex and thus the
futex-value is 0xa3c.
The main thread is trying to lock the mutex and is using syscall futex, which
adds the FUTEX_WAITERS bit (futex-value is 0x80000a3c) in:
futex_lock_pi_atomic()
{
...
/*
* First waiter. Set the waiters bit before attaching ourself to
* the owner. If owner tries to unlock, it will be forced into
* the kernel and blocked on hb->lock.
*/
newval = uval | FUTEX_WAITERS;
ret = lock_pi_update_atomic(uaddr, uval, newval);
}
Afterwards attach_to_pi_owner is called. If the exit syscall is processed at
the same time, then the PF_EXITING flag is set for the exiting thread. Then it
can happen that attach_to_pi_owner returns EAGAIN and the futex-syscall retries
to lock the futex. In the meantime the exit-syscall is processing the mutex and
handle_futex_death() sets the futex-value to 0xc0000000:
handle_futex_death(...)
{
...
mval = (uval & FUTEX_WAITERS) | FUTEX_OWNER_DIED;
if (cmpxchg_futex_value_locked(&nval, uaddr, uval, mval)) ...
...
}
If the futex-syscall is now calling attach_to_pi_owner and ...
... the exiting thread has already exited, then ESRCH is returned due to:
if (!pid)
return -ESRCH;
p = futex_find_get_task(pid);
if (!p)
return -ESRCH;
... the exiting thread is not yet finished, then ESRCH is returned due to:
if (unlikely(p->flags & PF_EXITING)) {
int ret = (p->flags & PF_EXITPIDONE) ? -ESRCH : -EAGAIN;
...
return ret;
}
This ESRCH is returned by the futex-syscall.
If the futex-syscall happens a bit earlier than the exit-syscall (glibc does
not trigger the assertion), then the futex-syscall sets the FUTEX_WAITERS bit
and attach_to_pi_owner() is returning zero. While exit-syscall,
handle_futex_death() is setting the futex-value to 0xc0000000. Afterwards, the
futex-syscall is calling fixup_owner()/fixup_pi_state_owner() which is then
setting futex-value to 0xc0000000|<tid-of-main-thread>. In this case, the
futex-syscall does not return an error.
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Subject: [Bug nptl/23183] tst-robustpi4 test failure
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What |Removed |Added
----------------------------------------------------------------------------
Summary|tst-robustpi4 test failure |tst-robustpi4 test failure
|on s390x |
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----------------------------------------------------------------------------
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Subject: [Bug math/23280] wscanf rounds wrong; wcstod is ok for negative numbers and directed rounding
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=646c2833ee84aa5ecc7e219f0cc6156e61c371d3
commit 646c2833ee84aa5ecc7e219f0cc6156e61c371d3
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Jun 19 11:52:18 2018 +0000
Fix scanf rounding of negative floating-point numbers (bug 23280).
As reported in bug 23280, scanf functions produce incorrectly rounded
result for floating-point formats in FE_UPWARD and FE_DOWNWARD modes,
because they pass the input with sign removed to strtod functions, and
then negate the result if there was a '-' at the start of the input.
This patch fixes this by arranging for the sign to be passed to strtod
rather than scanf doing the negation itself. In turn, keeping the
sign around in the buffer being built up for strtod requires updating
places that examine char_buffer_size (&charbuf) to allow for the sign
being there as an extra character.
Tested for x86_64.
[BZ #23280]
* stdio-common/vfscanf.c (_IO_vfscanf_internal): Pass sign of
floating-point number to strtod functions rather than possibly
negating result of those functions.
* stdio-common/tst-scanf-round.c: New file.
* stdio-common/Makefile (tests): Add tst-scanf-round.
($(objpfx)tst-scanf-round): Depend on $(libm).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++
stdio-common/Makefile | 2 +
.../tst-scanf-round.c | 45 +++++++++++---------
stdio-common/vfscanf.c | 35 ++++++++-------
4 files changed, 55 insertions(+), 37 deletions(-)
copy nptl/tst-minstack-exit.c => stdio-common/tst-scanf-round.c (59%)
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>From glibc-bugs-return-42283-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 19 11:54:10 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23280] wscanf rounds wrong; wcstod is ok for negative numbers and directed rounding
Date: Tue, 19 Jun 2018 11:54:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28.
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>From glibc-bugs-return-42284-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 19 22:42:04 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Tue, 19 Jun 2018 22:42:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #10501|0 |1
is obsolete| |
--- Comment #5 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11086
--> https://sourceware.org/bugzilla/attachment.cgi?id=11086&action=edit
A patch to add sah_RU language
The original file converted to a patch.
Also, since after writing the original patch we have agreed to use the raw
ASCII characters instead of <U00.. sequences wherever this is 100%
nondestructive I have converted most of them to ASCII. No other errors fixed
so the comments above are still valid. Could you please respond, Valery?
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
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Subject: [Bug nptl/23229] Realtime rwlock deadlock when writer has lower priority than readers
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |fweimer at redhat dot com
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Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Duplicate.
*** This bug has been marked as a duplicate of bug 13701 ***
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>From glibc-bugs-return-42287-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 20 12:34:42 2018
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Subject: [Bug nptl/13701] pthread_rwlock_rdlock & realtime scheduling writer lock precedence
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |tobias at ringis dot se
--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 23229 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-42288-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 20 13:07:14 2018
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Subject: [Bug nptl/23229] Realtime rwlock deadlock when writer has lower priority than readers
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Torvald Riegel <triegel at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |triegel at redhat dot com
Resolution|DUPLICATE |FIXED
--- Comment #2 from Torvald Riegel <triegel at redhat dot com> ---
It's a duplicate because it seems to rely on the TPS-specific requirements for
rwlock, which we do not intend to implement.
Furthermore, rwlocks aren't guaranteed to be safe to use in real-time
environments, in contrast to mutex kinds that provide PI.
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Torvald Riegel <triegel at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from Torvald Riegel <triegel at redhat dot com> ---
*** This bug has been marked as a duplicate of bug 13701 ***
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Subject: [Bug nptl/13701] pthread_rwlock_rdlock & realtime scheduling writer lock precedence
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--- Comment #13 from Torvald Riegel <triegel at redhat dot com> ---
*** Bug 23229 has been marked as a duplicate of this bug. ***
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Subject: [Bug localedata/23318] New: Use thousands separator matching CLDR
Date: Wed, 20 Jun 2018 13:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23318
Bug ID: 23318
Summary: Use thousands separator matching CLDR
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: myllynen at redhat dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
Since commit 70a6707 many locales use U+202F as thousands separator instead of
U+00A0, only the latter is used in CLDR. Please change locales currently using
U+202F to use U+00A0 instead to be consistent with CLDR.
For more background, please see the thread starting at:
https://sourceware.org/ml/libc-alpha/2018-06/msg00598.html
Thanks.
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>From glibc-bugs-return-42292-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 20 13:16:15 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22591] pthread_rwlock_trywrlock succeeds on a read taken lock
Date: Wed, 20 Jun 2018 13:16:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |fweimer at redhat dot com
Resolution|--- |INVALID
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Please don't ignore compiler warnings.
mt.c: In function ‘main’:
mt.c:13:3: warning: format ‘%d’ expects a matching ‘int’ argument [-Wformat=]
printf ("trywrlock %d\n");
^
mt.c:6:7: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
int rc;
^
Fixing this, I get 16 (EBUSY) as the output, which is expected.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23318] Use thousands separator matching CLDR
Date: Wed, 20 Jun 2018 13:18:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Marko Myllynen from comment #0)
> Since commit 70a6707 many locales use U+202F as thousands separator instead
> of U+00A0, only the latter is used in CLDR. Please change locales currently
> using U+202F to use U+00A0 instead to be consistent with CLDR.
>
> For more background, please see the thread starting at:
>
> https://sourceware.org/ml/libc-alpha/2018-06/msg00598.html
>
> Thanks.
Marko,
Are you going to work to fix this? I'd be happy to review a patch from you to
correct this. Testing this should be relatively straight forward too.
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22414] getaddrinfo() get wrong return value of gaih_inet() when system recovers from the exhaustion of the file descriptor
Date: Wed, 20 Jun 2018 13:25:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
No reply within several months. The issue is likely already tracked in another
bug. Closing.
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From: "myllynen at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23318] Use thousands separator matching CLDR
Date: Wed, 20 Jun 2018 13:25:00 -0000
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--- Comment #2 from Marko Myllynen <myllynen at redhat dot com> ---
I will try to come up with a patch next week, perhaps even this week. Thanks.
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>From glibc-bugs-return-42296-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 20 14:19:51 2018
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Subject: [Bug math/22377] iseqsig, float128 and C++
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 81b994bd8391e5994913d67b0966ce10cc0977a6
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon May 14 09:04:28 2018 -0300
Fix parameter type in C++ version of iseqsig (bug 23171)
The commit
commit c85e54ac6cef0faed7b7ffc722f52523dec59bf5
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Nov 3 10:44:36 2017 -0200
Provide a C++ version of iseqsig (bug 22377)
mistakenly used double parameters in the long double version of iseqsig,
thus causing spurious conversions to double, as reported on bug 23171.
Tested for powerpc64le and x86_64.
(cherry picked from commit fb0e10b8eb1ebb68c57d4551f7a95118f3c54837)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
math/math.h | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
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commit 81b994bd8391e5994913d67b0966ce10cc0977a6
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon May 14 09:04:28 2018 -0300
Fix parameter type in C++ version of iseqsig (bug 23171)
The commit
commit c85e54ac6cef0faed7b7ffc722f52523dec59bf5
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Nov 3 10:44:36 2017 -0200
Provide a C++ version of iseqsig (bug 22377)
mistakenly used double parameters in the long double version of iseqsig,
thus causing spurious conversions to double, as reported on bug 23171.
Tested for powerpc64le and x86_64.
(cherry picked from commit fb0e10b8eb1ebb68c57d4551f7a95118f3c54837)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
math/math.h | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
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--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to dave.anglin from comment #7)
> On 2018-06-18 4:17 PM, carlos at redhat dot com wrote:
> > Here we would compare fptr to the plt entry we're trying to update.
> Unfortunately, we don't have fptr. We have got, gp and l. This gives
> jmprel and end_jmprel but I don't think gp is sufficient to find the reloc.
It should be sufficient.
If you have jmprel and end_jmprel you can iterate over all the relocs.
If you can iterate the relocs you can compute the address that each reloc
adjusts.
You can compare the adjusted address to the PLT you are going to adjust?
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Subject: [Bug math/22377] iseqsig, float128 and C++
Date: Wed, 20 Jun 2018 14:22:00 -0000
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commit ffc56239787cdb5b0306baa8368923753f5891e6
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon May 14 09:04:28 2018 -0300
Fix parameter type in C++ version of iseqsig (bug 23171)
The commit
commit c85e54ac6cef0faed7b7ffc722f52523dec59bf5
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Nov 3 10:44:36 2017 -0200
Provide a C++ version of iseqsig (bug 22377)
mistakenly used double parameters in the long double version of iseqsig,
thus causing spurious conversions to double, as reported on bug 23171.
Tested for powerpc64le and x86_64.
(cherry picked from commit fb0e10b8eb1ebb68c57d4551f7a95118f3c54837)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
math/math.h | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
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commit ffc56239787cdb5b0306baa8368923753f5891e6
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon May 14 09:04:28 2018 -0300
Fix parameter type in C++ version of iseqsig (bug 23171)
The commit
commit c85e54ac6cef0faed7b7ffc722f52523dec59bf5
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Nov 3 10:44:36 2017 -0200
Provide a C++ version of iseqsig (bug 22377)
mistakenly used double parameters in the long double version of iseqsig,
thus causing spurious conversions to double, as reported on bug 23171.
Tested for powerpc64le and x86_64.
(cherry picked from commit fb0e10b8eb1ebb68c57d4551f7a95118f3c54837)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
math/math.h | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
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--- Comment #9 from dave.anglin at bell dot net ---
On 2018-06-20 10:21 AM, carlos at redhat dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23296
>
> --- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
> (In reply to dave.anglin from comment #7)
>> On 2018-06-18 4:17 PM, carlos at redhat dot com wrote:
>>> Here we would compare fptr to the plt entry we're trying to update.
>> Unfortunately, we don't have fptr. We have got, gp and l. This gives
>> jmprel and end_jmprel but I don't think gp is sufficient to find the reloc.
> It should be sufficient.
>
> If you have jmprel and end_jmprel you can iterate over all the relocs.
>
> If you can iterate the relocs you can compute the address that each reloc
> adjusts.
Yes.
>
> You can compare the adjusted address to the PLT you are going to adjust?
I don't think we know the PLT entry requiring adjustment. That came
from the reloc offset
which has been clobbered.
The trampoline code could be modified so it doesn't use r22. If we
modified the call stubs
and gcc so that r22 contains the address of the PLT entry, then we
should be able to find the
reloc offset.
We don't need to clobber r22 in plt_stub:
static const bfd_byte plt_stub[] =
{
 0x0e, 0x80, 0x10, 0x96, /* 1: ldw   0(%r20),%r22           */
 0xea, 0xc0, 0xc0, 0x00, /*   bv    %r0(%r22)              */
 0x0e, 0x88, 0x10, 0x95, /*   ldw   4(%r20),%r21           */
#define PLT_STUB_ENTRY (3*4)
 0xea, 0x9f, 0x1f, 0xdd, /*   b,l   1b,%r20                */
 0xd6, 0x80, 0x1c, 0x1e, /*   depi  0,31,2,%r20            */
 0x00, 0xc0, 0xff, 0xee, /* 9: .word fixup_func             */
 0xde, 0xad, 0xbe, 0xef  /*   .word fixup_ltp              */
};
We would need an extra ldo instruction in the following stubs:
  Import stub to call shared library routine from normal object file
  (single sub-space version)
  :           addil LR'lt_ptr+ltoff,%dp      ; get procedure entry point
  :           ldw RR'lt_ptr+ltoff(%r1),%r21
  :           bv %r0(%r21)
  :           ldw RR'lt_ptr+ltoff+4(%r1),%r19 ; get new dlt value.
  Import stub to call shared library routine from shared library
  (single sub-space version)
  :           addil LR'ltoff,%r19            ; get procedure entry point
  :           ldw RR'ltoff(%r1),%r21
  :           bv %r0(%r21)
  :           ldw RR'ltoff+4(%r1),%r19       ; get new dlt value.
I don't much like increasing the size of these stubs it would eliminate
one relocation.
$$dyncall would need fixing to use r21 for branch target. The LTP value
should be loaded after target address as in the stubs:
#ifdef L_dyncall
       SUBSPA_MILLI
       ATTR_DATA
GSYM($$dyncall)
       .export $$dyncall,millicode
       .proc
       .callinfo      millicode
       .entry
       bb,>=,n %r22,30,LREF(1)        ; branch if not plabel address
       depi   0,31,2,%r22            ; clear the two least
significant bits
       ldw    4(%r22),%r19           ; load new LTP value
       ldw    0(%r22),%r22           ; load address of target
LSYM(1)
#ifdef LINUX
       bv     %r0(%r22)              ; branch to the real target
#else
       ldsid  (%sr0,%r22),%r1        ; get the "space ident"
selected by r22
       mtsp   %r1,%sr0               ; move that space identifier
into sr0
       be     0(%sr0,%r22)           ; branch to the real target
#endif
       stw    %r2,-24(%r30)          ; save return address into
frame marker
       .exit
       .procend
The inline indirect calls generated by gcc would need review.
We need to implement your suggestion for setting the LSB in the reloc
offset. PLT
entries could be updated atomically using a floating point store. Then,
the only
possible race is between the load of the target address and the new LTP
value.
If the LSB in reloc offset is not set, then we should be able to just
reload the target
address using r22 and transfer to the target.
The only thing I don't like is making the stubs larger. This has caused
no end of trouble.
Dave
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Subject: [Bug localedata/23318] Use thousands separator matching CLDR
Date: Wed, 20 Jun 2018 15:22:00 -0000
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--- Comment #3 from Stanislav Brabec <sbrabec at suse dot cz> ---
I am trying the reverse, and submitted a change proposal to CLDR:
http://unicode.org/cldr/trac/ticket/11217
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
I more or less followed the suggestion in your last paragraph in the patch I
posted:
https://sourceware.org/ml/libc-alpha/2018-06/msg00618.html
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Wed, 20 Jun 2018 23:33:00 -0000
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--- Comment #6 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Now since the support of standalone (nominative, alternative) and full date
format (genitive, non-alternative) month names has been added to glibc and
Yakut language seems to use this feature (e.g., "May" - "ыам ыйа"; but "1st of
May" - "1 Ыам ыйын") I find this patch incomplete. It needs an update or at
least an explanation from a native speaker. For example, I am not sure if it
is correct that CLDR lists the "Months - Wide - Formatting" uppercased except
December while "Months - Wide - Standalone" are lowercased.
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>From glibc-bugs-return-42306-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 06:12:22 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Thu, 21 Jun 2018 06:12:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f496b28e61d0342f579bf794c71b80e9c7d0b1b5
commit f496b28e61d0342f579bf794c71b80e9c7d0b1b5
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 21 08:04:29 2018 +0200
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
Previously, only the SSE2 rounding mode was set, so the assembler
implementations using 387 were not following the expecting rounding
mode.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 ++++++++++++
sysdeps/generic/math_private.h | 68 +++++++++++++++++++++------------------
sysdeps/i386/Makefile | 8 ++++
sysdeps/i386/fpu/fenv_private.h | 18 +++++++---
4 files changed, 80 insertions(+), 36 deletions(-)
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>From glibc-bugs-return-42307-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 06:13:09 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Thu, 21 Jun 2018 06:13:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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>From glibc-bugs-return-42308-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 06:14:42 2018
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From: "wmealing at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23323] New: [RFE] CSU startup hardening.
Date: Thu, 21 Jun 2018 06:14:00 -0000
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Bug ID: 23323
Summary: [RFE] CSU startup hardening.
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Gday!
I've been made aware of an ASLR mitigation technique known as "return to CSU".
It builds on the existing idea of ROP gadgets, but instead uses the internal
widgets available in __libc_csu_init().
This attack technique is not an exploit in itself but rather removing ROP
widgets from predictable locations. Rather than waste more time, check out
the information here, along with suggestions for mitigations/ideas to remove
these enabling widgets.
https://www.blackhat.com/docs/asia-18/asia-18-Marco-return-to-csu-a-new-method-to-bypass-the-64-bit-Linux-ASLR-wp.pdf
https://www.blackhat.com/docs/asia-18/asia-18-Marco-return-to-csu-a-new-method-to-bypass-the-64-bit-Linux-ASLR.pdf
So what I want out of this, I hear you ask. I defer to the experts on where to
go from here, as this is not the area that I would know if any of these
mitigations / plans have adverse affects.
It may be possible that the authors have already talked to the glibc
maintainers, I did a quick search and wasn't able to find it.
Thanks in advance.
Wade Mealing
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>From glibc-bugs-return-42309-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 06:43:37 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23323] [RFE] CSU startup hardening.
Date: Thu, 21 Jun 2018 06:43:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
What I don't understand here is why moving the code to libc.so.6 helps.
Wouldn't glibc then contain a very similar sequence? Certainly you'll need
another round of probing to find the base address of glibc, but then you'd be
in the same situation again.
We have looked at this code in an entirely different context (because it's
compiled with different hardening flags compared to the main executable), so
moving it may make sense, but it will make it impossible to run *any* binaries
compiled against a newer glibc on an older glibc.
The actual ASLR bypass seems to be due to the forking server not ree-execve-ing
itself after it observes a couple of crashing child processes. That allows you
to learn the stack canary and base addresses for the executable and likely some
of its libraries as well (and due to the constant offsets between libraries,
that gives you the address of all libraries).
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>From glibc-bugs-return-42310-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 07:19:55 2018
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Subject: [Bug libc/23323] [RFE] CSU startup hardening.
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>From glibc-bugs-return-42311-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 10:51:35 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/19485] csb_PL: update month translations
Date: Thu, 21 Jun 2018 10:51:00 -0000
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--- Comment #14 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11092
--> https://sourceware.org/bugzilla/attachment.cgi?id=11092&action=edit
Updated April and July, added yesstr and nostr
I hope this is correct:
diff --git a/localedata/locales/csb_PL b/localedata/locales/csb_PL
index 1038941..fa82966 100644
--- a/localedata/locales/csb_PL
+++ b/localedata/locales/csb_PL
@@ -122,6 +122,8 @@ END LC_COLLATE
LC_MESSAGES
yesexpr "^[+1JjTtYy]"
noexpr "^[-0nN]"
+yesstr "jo"
+nostr "nié"
END LC_MESSAGES
LC_MONETARY
@@ -154,10 +156,10 @@ abmon "stë"; "gro";/
mon "stëcznik";/
"gromicznik";/
"strëmiannik";/
- "łżëkwiôt";/
+ "łżëkwiat";/
"môj";/
"czerwińc";/
- "lëpinc";/
+ "lëpińc";/
"zélnik";/
"séwnik";/
"rujan";/
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>From glibc-bugs-return-42312-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 10:53:09 2018
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Subject: [Bug localedata/23140] More languages need two forms of month names
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
Attachment #11059|0 |1
is obsolete| |
--- Comment #37 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11093
--> https://sourceware.org/bugzilla/attachment.cgi?id=11093&action=edit
Kashubian (csb_PL) version 3
It seems that Kashubian language also needs the ab_alt_mon feature.
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>From glibc-bugs-return-42313-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 11:24:57 2018
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Subject: [Bug libc/4417] arc4random function addition
Date: Thu, 21 Jun 2018 11:24:00 -0000
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Yann Droneaud <yann at droneaud dot fr> changed:
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CC| |fweimer at redhat dot com,
| |yann at droneaud dot fr
--- Comment #6 from Yann Droneaud <yann at droneaud dot fr> ---
Florian Weimer posted another implementation of arc4random() in
https://sourceware.org/ml/libc-alpha/2018-05/msg00891.html
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>From glibc-bugs-return-42314-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 11:26:18 2018
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Subject: [Bug libc/4417] arc4random function addition
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|WONTFIX |---
Assignee|drepper.fsp at gmail dot com |fweimer at redhat dot com
--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
I'm working on this.
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>From glibc-bugs-return-42315-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 11:26:31 2018
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Subject: [Bug libc/4417] arc4random function addition
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-42316-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 14:11:53 2018
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Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
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Carlo B <castro8583bennett at gmx dot com> changed:
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CC| |castro8583bennett at gmx dot com
--- Comment #16 from Carlo B <castro8583bennett at gmx dot com> ---
Hi Tim, does this issue already fixed? have you tested it already if there's a
problem again? Thanks
Carlo B.
http://webtrafficgeeks.cn/
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>From glibc-bugs-return-42317-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 14:34:25 2018
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Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
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--- Comment #17 from Tim Rühsen <tim.ruehsen at gmx dot de> ---
(In reply to Carlo B from comment #16)
> Hi Tim, does this issue already fixed? have you tested it already if there's
> a problem again? Thanks
Just tested on 2.27-3 (Debian unstable) - the issue is fixed for me.
Regards, Tim
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>From glibc-bugs-return-42318-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 21 20:21:24 2018
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Subject: [Bug malloc/23328] New: Remove malloc hooks and ensure related APIs return no data.
Date: Thu, 21 Jun 2018 20:21:00 -0000
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Bug ID: 23328
Summary: Remove malloc hooks and ensure related APIs return no
data.
Product: glibc
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Target Milestone: ---
Since glibc 2.14 the malloc hooks have been deprecated.
The hooks should be removed, and the APIs set up to return no data.
A new DSO should be implemented with the required functionality which users can
preload if they need the required features in their binaries.
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>From glibc-bugs-return-42320-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 22 10:16:52 2018
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Subject: [Bug malloc/19564] Remove deprecated malloc symbols from the API
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Florian Weimer <fweimer at redhat dot com> changed:
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See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23328
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Subject: [Bug malloc/23328] Remove malloc hooks and ensure related APIs return no data.
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Florian Weimer <fweimer at redhat dot com> changed:
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See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=19564
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>From glibc-bugs-return-42321-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 22 11:49:32 2018
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Florian Weimer from comment #1)
> What I don't understand here is why moving the code to libc.so.6 helps.
The paper says this:
“Due to the size and complexity of the C library, it is generally considered a
huge pool of gadgets. Once the attacker reaches the libc the game is over.â€
So it's basically just obfuscation and not a fundamental change.
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>From glibc-bugs-return-42322-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 22 13:36:24 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23329] New: The __libc_freeres infrastructure is not properly run across DSO boundaries.
Date: Fri, 22 Jun 2018 13:36:00 -0000
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Bug ID: 23329
Summary: The __libc_freeres infrastructure is not properly run
across DSO boundaries.
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
CC: drepper.fsp at gmail dot com
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The __libc_freeres infrastructure is not properly run across DSO boundaries.
In libpthread.so we have shm-directory.c which registers freeit () to free
memory, but this is never called.
Only via the function pointer table does libc.so call nptl_freeres () as a
hack.
We should harmonize the process to make it easy to support for any DSOs
registering free_res functions, and fix the libpthread.so related bug.
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>From glibc-bugs-return-42323-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 22 17:30:56 2018
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Subject: [Bug build/13888] /tmp usage during testing
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>From glibc-bugs-return-42324-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 23 10:11:53 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23334] New: misc/tst-set_ppr fails on some POWER systems in 32-bit mode
Date: Sat, 23 Jun 2018 10:11:00 -0000
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Bug ID: 23334
Summary: misc/tst-set_ppr fails on some POWER systems in 32-bit
mode
Product: glibc
Version: 2.28
Status: NEW
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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Target: powerpc
I have a system where misc/tst-set_ppr crashes with SIGILL in
check_thread_priority:
Dump of assembler code for function check_thread_priority:
0x10000bb0 <+0>: stwu r1,-16(r1)
0x10000bb4 <+4>: mflr r0
0x10000bb8 <+8>: mr r4,r3
0x10000bbc <+12>: stw r0,20(r1)
=> 0x10000bc0 <+16>: mfppr32 r6
0x10000bc4 <+20>: rlwinm r6,r6,14,29,31
0x10000bc8 <+24>: cmplw cr7,r3,r6
0x10000bcc <+28>: beq cr7,0x10000c00 <check_thread_priority+80>
0x10000bd0 <+32>: lis r3,4096
LD_SHOW_AUXV=1 reports:
AT_DCACHEBSIZE: 0x80
AT_ICACHEBSIZE: 0x80
AT_UCACHEBSIZE: 0x0
AT_SYSINFO_EHDR: 0x3fff7d7d0000
AT_HWCAP: true_le archpmu vsx arch_2_06 dfp ic_snoop smt mmu fpu altivec
ppc64 ppc32
AT_PAGESZ: 65536
AT_CLKTCK: 100
AT_PHDR: 0x10000040
AT_PHENT: 56
AT_PHNUM: 9
AT_BASE: 0x3fff7d7f0000
AT_FLAGS: 0x0
AT_ENTRY: 0x1001fa58
AT_UID: 0
AT_EUID: 0
AT_GID: 0
AT_EGID: 0
AT_SECURE: 0
AT_RANDOM: 0x3fffdf630822
AT_HWCAP2: dscr
AT_EXECFN: /bin/true
AT_PLATFORM: power7
AT_BASE_PLATFORM:power7
lscpu says:
Architecture: ppc64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Big Endian
CPU(s): 28
On-line CPU(s) list: 0-27
Thread(s) per core: 4
Core(s) per socket: 1
Socket(s): 7
NUMA node(s): 1
Model: 2.1 (pvr 003f 0201)
Model name: POWER7 (architected), altivec supported
Hypervisor vendor: pHyp
Virtualization type: para
L1d cache: 32K
L1i cache: 32K
NUMA node0 CPU(s): 0-27
Apparently, the system is an IBM 8202-E4B machine. The kernel is
kernel-3.10.0-862.6.3.el7.ppc64 from Red Hat Enterprise Linux 7.5.
My copy of PowerISA_V2.06B_V2_PUBLIC.pdf marks the mfppr32 instructions as
“Category: Phased-Inâ€. This suggests that the test is incorrect on 32-bit
because it checks for the PPC_FEATURE_ARCH_2_06 bit in getauxval (AT_HWCAP). I
don't see a way to correct the test for 32-bit mode; the ISA manual doesn't
suggest a way to probe for this.
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>From glibc-bugs-return-42325-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 23 18:39:38 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23296] Data race in setting function descriptor during lazy binding
Date: Sat, 23 Jun 2018 18:39:00 -0000
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--- Comment #10 from John David Anglin <danglin at gcc dot gnu.org> ---
I looked at what 32-bit HPUX does. It sets the LTP to zero initially.
It sets the function address to point to a "b,l,n" instruction before the
trampoline.
The trampoline looks like this:
0x7b04d170: b,l,n 0x7b04d17c,r31
0x7b04d174: b,l,n 0x7b04d17c,r31
0x7b04d178: b,l,n 0x7b04d17c,r31
0x7b04d17c: ldil -3ffdc000,r21
0x7b04d180: ldo 160(r21),r21
0x7b04d184: ldsid (sr0,r21),r1
0x7b04d188: mtsp r1,sr0
0x7b04d18c: addil -7b04d000,r31,%r1
0x7b04d190: ldo -16c(r1),r1
0x7b04d194: extrw,u r1,29,30,r1
0x7b04d198: addil 0,r1,%r1
0x7b04d19c: ldo 3(r1),r19
0x7b04d1a0: ldil 7b04f000,r31
0x7b04d1a4: ldo 360(r31),r31
0x7b04d1a8: be 0(sr0,r21)
0x7b04d1ac: ldo 0(r31),r21
With technique, all the information needed to find the relocation is encoded
in the function address. It needs a bunch of "b,l,n" instructions and a larger
trampoline.
HPUX appears to bind indirect calls immediately. I guess this is to work
around the fact that $$dyncall loads the LTP value before the function address.
The trampoline only seems to be used when a call goes via an import stub.
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>From glibc-bugs-return-42326-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jun 24 00:50:09 2018
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From: "joerg_bugzilla_sourceware at reisenweber dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/4628] Provide rump locales with ISO 8601 variants for use with LC_TIME
Date: Sun, 24 Jun 2018 00:50:00 -0000
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Koerg Reisenweber <joerg_bugzilla_sourceware at reisenweber dot net> changed:
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--- Comment #19 from Koerg Reisenweber <joerg_bugzilla_sourceware at reisenweber dot net> ---
(In reply to Carlos O'Donell from comment #16)
[...]
> Which might look like `export LC_TIME=en_US:C@iso8601` which says use US
> English language information for language-specific requirements, but
> consider the territory to be generic and following ISO 8601.
>
> I expect language specific entries would be:
> - abday
> - day
> - abmon
> - mon
>
> I expect the territory specific entries would be:
> - week
> - d_t_fmt
> - d_fmt
> - t_fmt
> - t_fmt_ampm
> - am_pm
>
> This is as Mike argues in his email.
>
> In which case users would see their language-specific day names, month
> names, etc, but the start of the week is always going to be Monday per
> ISO8601, and date and time formats will be ISO8601.
>
> The outliers are t_fmt_ampm, which doesn't exist in ISO8601, so it should
> IMO be identical to t_fmt, and am_pm should be an empty set.
>
> Thus do we all agree that we *don't* want ISO 8601?
>
> That what we really want is layered locales with language/territory layering?
>
> If you object, please describe some other kind of model that you're
> considering.
sounds excellent, any progress on this?
/jOERG
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>From glibc-bugs-return-42327-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jun 24 00:55:48 2018
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Subject: [Bug localedata/4628] Provide rump locales with ISO 8601 variants for use with LC_TIME
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--- Comment #20 from Koerg Reisenweber <joerg_bugzilla_sourceware at reisenweber dot net> ---
AM/PM probably isn't a feature much asked for by users who want "ISO 8601" date
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>From glibc-bugs-return-42328-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jun 24 12:20:46 2018
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Subject: [Bug libc/23323] [RFE] CSU startup hardening.
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Flags| |security-
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I posted a patch:
https://sourceware.org/ml/libc-alpha/2018-06/msg00717.html
Flagging as security- because this is just hardening.
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Subject: [Bug localedata/19485] csb_PL: Update month translations + add yesstr/nostr
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|csb_PL: update month |csb_PL: Update month
|translations |translations + add
| |yesstr/nostr
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #38 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=189699ab375111a25dac19f1b4f89e38d31c8b3d
commit 189699ab375111a25dac19f1b4f89e38d31c8b3d
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Jan 30 12:31:12 2018 +0100
csb_PL: Add alternative month names (bug 23140).
Kashubian language is not supported by CLDR, data copied from Wikipedia
and documents released by RJK (official Kashubian Language Council),
also consulted with a native speaker.
Note that this language also needs ab_alt_mon feature due to the month
May: nominative "môj", genitive "maja"; abbreviated nominative "môj",
abbreviated genitive "maj".
[BZ #23140]
* localedata/locales/csb_PL (mon): Rename to...
(alt_mon): This.
(abmon): Rename to...
(ab_alt_mon): This.
(mon): Add with proper genitive forms, copy from Wikipedia.
(abmon): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ea3f13cceaecdb3fb2219611876fdd49485e64d
commit 0ea3f13cceaecdb3fb2219611876fdd49485e64d
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Jun 21 12:29:13 2018 +0200
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
Thank you Michal Ostrowski for the feedback.
[BZ #19485]
* localedata/locales/csb_PL (mon): Fix typos:
"łżëkwiôt" -> "łżëkwiat" (April); "lëpinc" -> "lëpińc" (July).
(yesstr): Add, value is "jo".
(nostr): Add, value is "nié".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++++++++++
NEWS | 6 +++---
localedata/locales/csb_PL | 28 ++++++++++++++++++++++++----
3 files changed, 45 insertions(+), 7 deletions(-)
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commit 189699ab375111a25dac19f1b4f89e38d31c8b3d
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Jan 30 12:31:12 2018 +0100
csb_PL: Add alternative month names (bug 23140).
Kashubian language is not supported by CLDR, data copied from Wikipedia
and documents released by RJK (official Kashubian Language Council),
also consulted with a native speaker.
Note that this language also needs ab_alt_mon feature due to the month
May: nominative "môj", genitive "maja"; abbreviated nominative "môj",
abbreviated genitive "maj".
[BZ #23140]
* localedata/locales/csb_PL (mon): Rename to...
(alt_mon): This.
(abmon): Rename to...
(ab_alt_mon): This.
(mon): Add with proper genitive forms, copy from Wikipedia.
(abmon): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ea3f13cceaecdb3fb2219611876fdd49485e64d
commit 0ea3f13cceaecdb3fb2219611876fdd49485e64d
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Thu Jun 21 12:29:13 2018 +0200
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
Thank you Michal Ostrowski for the feedback.
[BZ #19485]
* localedata/locales/csb_PL (mon): Fix typos:
"łżëkwiôt" -> "łżëkwiat" (April); "lëpinc" -> "lëpińc" (July).
(yesstr): Add, value is "jo".
(nostr): Add, value is "nié".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++++++++++
NEWS | 6 +++---
localedata/locales/csb_PL | 28 ++++++++++++++++++++++++----
3 files changed, 45 insertions(+), 7 deletions(-)
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Subject: [Bug localedata/19485] csb_PL: Update month translations + add yesstr/nostr
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
Target Milestone|2.27 |2.28
--- Comment #16 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Pushed as
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=0ea3f13cceaecdb3fb2219611876fdd49485e64d
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>From glibc-bugs-return-42333-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 25 13:39:23 2018
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Subject: [Bug libc/23334] misc/tst-set_ppr fails on some POWER systems in 32-bit mode
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Tulio has already brought this up on libc-alpha with a potentially fix [1],
however it was not fully compatible with powerpcspe build.
[1] https://sourceware.org/ml/libc-alpha/2018-03/msg00055.html
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23334] misc/tst-set_ppr fails on some POWER systems in 32-bit mode
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #1)
> Tulio has already brought this up on libc-alpha with a potentially fix [1],
> however it was not fully compatible with powerpcspe build.
>
> [1] https://sourceware.org/ml/libc-alpha/2018-03/msg00055.html
Ah. Would it be possible to simplify matters by using the actual ori
instruction, given that mfppr32 is just an alias for it?
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commit 318bad78b084cd510c7b672a1a0859c0df08dbb7
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 17:10:15 2018 +0200
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
This introduces a separate function, read_cmdline, which reads the
contents of /proc/self/cmdline into a heap-allocated buffer.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +++
nscd/connections.c | 99 ++++++++++++++++++++++++++++++++--------------------
2 files changed, 67 insertions(+), 38 deletions(-)
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Subject: [Bug libc/18023] extend_alloca is broken (questionable pointer comparison, horrible machine code)
Date: Mon, 25 Jun 2018 16:51:00 -0000
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--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6b7b2abac75f969a86c537d64adf003378e24113
commit 6b7b2abac75f969a86c537d64adf003378e24113
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 16:05:46 2018 +0200
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
The pre-allocation of the three scratch buffers increased the initial
stack size somewhat, but if retries are needed, the previous version
used more stack space if extend_alloca could not merge allocations.
Lack of alloca accounting also means could be problematic with
extremely large NSS responses, too.
[BZ #18023]
* nscd/aicache.c (addhstaiX): Use struct scratch_buffer instead
of extend_alloca.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2f9f0d182eb87bfab49534d4f9ac102d6c0c0469
commit 2f9f0d182eb87bfab49534d4f9ac102d6c0c0469
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 16:04:29 2018 +0200
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
This replaces the ERANGE retry loops with loops which have heap
fallback. Heap allocation might actually be required for extremely
large NSS results.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 +++++++++
nscd/aicache.c | 79 ++++++++++++++++++++++++++++---------------------
nscd/grpcache.c | 57 ++++++++++++------------------------
nscd/hstcache.c | 58 ++++++++++++------------------------
nscd/pwdcache.c | 56 +++++++++++------------------------
nscd/servicescache.c | 56 +++++++++++------------------------
6 files changed, 135 insertions(+), 186 deletions(-)
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Subject: [Bug libc/18023] extend_alloca is broken (questionable pointer comparison, horrible machine code)
Date: Mon, 25 Jun 2018 21:50:00 -0000
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--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 43b1048ab9418e902aac8c834a7a9a88c501620a
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 19:29:11 2018 +0200
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1599ed4e959e6e5b319d82389667f51d01d53da0
commit 1599ed4e959e6e5b319d82389667f51d01d53da0
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 19:22:46 2018 +0200
getent: Use dynarray in initgroups_keys [BZ #18023]
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a26fe1638bf2fea58ddd44cc771896ad0c36de8c
commit a26fe1638bf2fea58ddd44cc771896ad0c36de8c
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 19:14:09 2018 +0200
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
Remove extend_alloca usage. Also adjusts the internal function get_uid.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=90d9d9ce2fbeef0f24a957efa83f5a78367a84d4
commit 90d9d9ce2fbeef0f24a957efa83f5a78367a84d4
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jun 25 18:56:42 2018 +0200
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
If the caller-supplied buffer is not large enough, fall back directly
malloc.
The previous __libc_use_alloca check was incorrect because it did not
take into account that extend_alloca may fail to merge allocations, so
it would underestimate the stack space being used by roughly a factor
of two.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++++++++
nis/nss_nis/nis-initgroups.c | 27 +++++++++++++--------
nss/getent.c | 40 +++++++++++++++++++++++--------
nss/nss_compat/compat-initgroups.c | 46 ++++++++++++++++-------------------
nss/nss_files/files-initgroups.c | 32 ++++++++-----------------
5 files changed, 102 insertions(+), 67 deletions(-)
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>From glibc-bugs-return-42338-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jun 25 22:43:31 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Mon, 25 Jun 2018 22:43:00 -0000
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--- Comment #39 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to keld@keldix.com from comment #35)
> If month (and day) names are not capitalized, then the should not be
> capitalized in our
> locales, even if they often appear first in a sentence. [...]
OK, good news: I have managed to contact an Armenian native speaker and he
agrees that the month names should be lowercased. This convinces me and I will
proceed with the patch.
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>From glibc-bugs-return-42339-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 26 05:28:44 2018
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Tue, 26 Jun 2018 05:28:00 -0000
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--- Comment #40 from keld at keldix dot com <keld at keldix dot com> ---
On Mon, Jun 25, 2018 at 10:43:23PM +0000, digitalfreak at lingonborough dot com
wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23140
>
> --- Comment #39 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
> (In reply to keld@keldix.com from comment #35)
> > If month (and day) names are not capitalized, then the should not be
> > capitalized in our
> > locales, even if they often appear first in a sentence. [...]
>
> OK, good news: I have managed to contact an Armenian native speaker and he
> agrees that the month names should be lowercased. This convinces me and I will
> proceed with the patch.
Good. You are of cause rigth in saying that we do not have a way to capitalize
such
names. But then let us make a way to do it. My thoughts are to make some
format specifier to change the first character til uppercase, both for
month and day names, and their abbreviations. I don't have a specific
proposal - but maybe a + somewhere could do it. What do you think?
Best regards
keld
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23313] libio vtables validation and standard file object interposition
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit c402355dfa7807b8e0adb27c009135a7e2b9f1b0
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jun 26 10:24:52 2018 +0200
libio: Disable vtable validation in case of interposition [BZ #23313]
-----------------------------------------------------------------------
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ChangeLog | 5 +++++
libio/vtables.c | 16 ++++++++++++++++
2 files changed, 21 insertions(+), 0 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug regex/23036] regex equivalence class regression
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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Subject: [Bug libc/20251] 32bit programs pass garbage in struct flock for OFD locks
Date: Tue, 26 Jun 2018 17:20:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20251
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master-bz20251 has been created
at 06ab719d30b01da401150068054d3b8ea93dd12f (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06ab719d30b01da401150068054d3b8ea93dd12f
commit 06ab719d30b01da401150068054d3b8ea93dd12f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Apr 4 11:24:15 2018 -0300
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
This patch fixes the OFD ("file private") locks for architectures that
support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The
issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and
F_{SET,GET}L{W}K64 expects a flock64 argument and when using old
F_OFD_* flags with a non LFS flock argument the kernel might interpret
the underlying data wrongly. Kernel idea originally was to avoid using
such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS
semantic as default it is possible to provide the functionality and
avoid the bogus struct kernel passing by adjusting the struct manually
for the required flags.
The idea follows other LFS interfaces that provide two symbols:
1. A new LFS fcntl64 is added on default ABI with the usual macros to
select it for FILE_OFFSET_BITS=64.
2. The Linux non-LFS fcntl use a stack allocated struct flock64 for
F_OFD_{GETLK,SETLK,SETLKW} copy the results on the user provided
struct.
3. Keep a compat symbol with old broken semantic for architectures
that do not define __OFF_T_MATCHES_OFF64_T.
So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will
aliased to fcntl and no adjustment would be required. So to actually
use F_OFD_* with LFS support the source must be built with LFS support
(_FILE_OFFSET_BITS=64).
Also F_OFD_SETLKW command is handled a cancellation point, as for
F_SETLKW{64}.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #20251]
* NEWS: Mention fcntl64 addition.
* csu/check_fds.c: Replace __fcntl_nocancel by __fcntl64_nocancel.
* login/utmp_file.c: Likewise.
* sysdeps/posix/fdopendir.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/unix/pt-fcntl.c: Likewise.
* include/fcntl.h (__libc_fcntl64, __fcntl64,
__fcntl64_nocancel_adjusted): New prototype.
(__fcntl_nocancel_adjusted): Remove prototype.
* io/Makefile (routines): Add fcntl64.
(CFLAGS-fcntl64.c): New rule.
* io/Versions [GLIBC_2.28] (fcntl64): New symbol.
[GLIBC_PRIVATE] (__libc_fcntl): Rename to __libc_fcntl64.
* io/fcntl.h (fcntl64): Add prototype and redirect if
__USE_FILE_OFFSET64 is defined.
* io/fcntl64.c: New file.
* manual/llio.text: Add a note for which commands fcntl acts a
cancellation point.
* nptl/Makefile (CFLAGS-fcntl64.c): New rule.
* sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols.
* sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (fcntl, fcntl64):
New symbols.
* sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64,
F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for
non-LFS case.
* sysdeps/unix/sysv/linux/fcntl64.c: New file.
* sysdeps/unix/sysv/linux/fcntl_nocancel.c (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
(__fcntl_nocancel_adjusted): Rename to __fcntl64_nocancel_adjusted.
* sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
* sysdeps/unix/sysv/linux/tst-ofdlocks.c: New file.
* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Likewise.
* sysdeps/unix/sysv/linux/Makefile (tests): Add tst-ofdlocks.
(tests-internal): Add tst-ofdlocks-compat.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(fcntl64): New symbol.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.28] (fcntl,
fcntl64): Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
-----------------------------------------------------------------------
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/20251] 32bit programs pass garbage in struct flock for OFD locks
Date: Tue, 26 Jun 2018 17:22:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #10 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by 06ab719d30b01da401150068054d3b8ea93dd12f.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/20251] 32bit programs pass garbage in struct flock for OFD locks
Date: Tue, 26 Jun 2018 17:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20251
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 06ab719d30b01da401150068054d3b8ea93dd12f (commit)
from 124e025864bb39732c71fc60c1443d5680881a0a (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06ab719d30b01da401150068054d3b8ea93dd12f
commit 06ab719d30b01da401150068054d3b8ea93dd12f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Apr 4 11:24:15 2018 -0300
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
This patch fixes the OFD ("file private") locks for architectures that
support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The
issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and
F_{SET,GET}L{W}K64 expects a flock64 argument and when using old
F_OFD_* flags with a non LFS flock argument the kernel might interpret
the underlying data wrongly. Kernel idea originally was to avoid using
such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS
semantic as default it is possible to provide the functionality and
avoid the bogus struct kernel passing by adjusting the struct manually
for the required flags.
The idea follows other LFS interfaces that provide two symbols:
1. A new LFS fcntl64 is added on default ABI with the usual macros to
select it for FILE_OFFSET_BITS=64.
2. The Linux non-LFS fcntl use a stack allocated struct flock64 for
F_OFD_{GETLK,SETLK,SETLKW} copy the results on the user provided
struct.
3. Keep a compat symbol with old broken semantic for architectures
that do not define __OFF_T_MATCHES_OFF64_T.
So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will
aliased to fcntl and no adjustment would be required. So to actually
use F_OFD_* with LFS support the source must be built with LFS support
(_FILE_OFFSET_BITS=64).
Also F_OFD_SETLKW command is handled a cancellation point, as for
F_SETLKW{64}.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #20251]
* NEWS: Mention fcntl64 addition.
* csu/check_fds.c: Replace __fcntl_nocancel by __fcntl64_nocancel.
* login/utmp_file.c: Likewise.
* sysdeps/posix/fdopendir.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/unix/pt-fcntl.c: Likewise.
* include/fcntl.h (__libc_fcntl64, __fcntl64,
__fcntl64_nocancel_adjusted): New prototype.
(__fcntl_nocancel_adjusted): Remove prototype.
* io/Makefile (routines): Add fcntl64.
(CFLAGS-fcntl64.c): New rule.
* io/Versions [GLIBC_2.28] (fcntl64): New symbol.
[GLIBC_PRIVATE] (__libc_fcntl): Rename to __libc_fcntl64.
* io/fcntl.h (fcntl64): Add prototype and redirect if
__USE_FILE_OFFSET64 is defined.
* io/fcntl64.c: New file.
* manual/llio.text: Add a note for which commands fcntl acts a
cancellation point.
* nptl/Makefile (CFLAGS-fcntl64.c): New rule.
* sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols.
* sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (fcntl, fcntl64):
New symbols.
* sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64,
F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for
non-LFS case.
* sysdeps/unix/sysv/linux/fcntl64.c: New file.
* sysdeps/unix/sysv/linux/fcntl_nocancel.c (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
(__fcntl_nocancel_adjusted): Rename to __fcntl64_nocancel_adjusted.
* sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Rename
to __fcntl64_nocancel.
* sysdeps/unix/sysv/linux/tst-ofdlocks.c: New file.
* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Likewise.
* sysdeps/unix/sysv/linux/Makefile (tests): Add tst-ofdlocks.
(tests-internal): Add tst-ofdlocks-compat.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(fcntl64): New symbol.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.28] (fcntl,
fcntl64): Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 68 +++++++++++++++
NEWS | 6 ++
csu/check_fds.c | 2 +-
include/fcntl.h | 7 ++-
io/Makefile | 3 +-
io/Versions | 5 +-
io/fcntl.h | 11 +++
io/fcntl64.c | 38 ++++++++
login/utmp_file.c | 4 +-
manual/llio.texi | 13 ++--
nptl/Makefile | 1 +
sysdeps/generic/not-cancel.h | 4 +-
sysdeps/mach/hurd/bits/errno.h | 9 ++
sysdeps/mach/hurd/fcntl.c | 5 +
sysdeps/mach/hurd/i386/libc.abilist | 2 +
sysdeps/posix/fdopendir.c | 2 +-
sysdeps/posix/opendir.c | 2 +-
sysdeps/unix/pt-fcntl.c | 2 +-
sysdeps/unix/sysv/linux/Makefile | 4 +-
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arm/libc.abilist | 2 +
sysdeps/unix/sysv/linux/fcntl.c | 90 +++++++++++++++++---
sysdeps/unix/sysv/linux/fcntl64.c | 63 ++++++++++++++
sysdeps/unix/sysv/linux/fcntl_nocancel.c | 8 +-
sysdeps/unix/sysv/linux/hppa/libc.abilist | 2 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 2 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 2 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 2 +
sysdeps/unix/sysv/linux/microblaze/libc.abilist | 2 +
.../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 2 +
.../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 2 +
.../unix/sysv/linux/mips/mips64/n32/libc.abilist | 2 +
.../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 2 +
sysdeps/unix/sysv/linux/not-cancel.h | 4 +-
.../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 2 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 2 +
.../sysv/linux/powerpc/powerpc64/libc-le.abilist | 1 +
.../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 2 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sh/libc.abilist | 2 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 2 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c | 84 ++++++++++++++++++
sysdeps/unix/sysv/linux/tst-ofdlocks.c | 76 +++++++++++++++++
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
51 files changed, 519 insertions(+), 35 deletions(-)
create mode 100644 io/fcntl64.c
create mode 100644 sysdeps/unix/sysv/linux/fcntl64.c
create mode 100644 sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c
create mode 100644 sysdeps/unix/sysv/linux/tst-ofdlocks.c
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>From glibc-bugs-return-42346-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 26 18:59:11 2018
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From: "jim at meyering dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Tue, 26 Jun 2018 18:59:00 -0000
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--- Comment #8 from jim at meyering dot net <jim at meyering dot net> ---
FYI, this now works for me on Fedora 28:
$ echo 'á' | LC_ALL=en_US.UTF-8 grep '[[=a=]]'
á
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>From glibc-bugs-return-42347-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 26 19:03:21 2018
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From: "dj at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/23341] New: there should be a tunable to control fastbins
Date: Tue, 26 Jun 2018 19:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23341
Bug ID: 23341
Summary: there should be a tunable to control fastbins
Product: glibc
Version: unspecified
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Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
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Ideally, every option you can set with mallopt() should be a tunable as well.
M_MXFAST is not.
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>From glibc-bugs-return-42348-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 26 21:49:59 2018
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Subject: [Bug build/13888] /tmp usage during testing
Date: Tue, 26 Jun 2018 21:49:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 27f10a09630cac9bc0816e2a46cd9912379aaea8 (commit)
from 05598a0907cad1350962e89b781215209a785d92 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27f10a09630cac9bc0816e2a46cd9912379aaea8
commit 27f10a09630cac9bc0816e2a46cd9912379aaea8
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Jun 26 21:48:48 2018 +0000
Fix hardcoded /tmp paths in testing (bug 13888).
As noted in bug 13888, and as I noted previously in
<https://sourceware.org/ml/libc-alpha/2000-10/msg00111.html>, various
tests used hardcoded paths in /tmp, so posing issues for simultaneous
test runs from different build directories.
This patch fixes such uses of hardcoded file names to put them in the
build directory instead (in the case of stdio-common/bug5 the file
names are changed as well, to avoid a conflict with the name bug5.out
also used for the automatic test output redirection). It also fixes
test-installation.pl likewise (that was using filenames with $$ in
them rather than strictly hardcoded names, but that's still not good
practice for temporary file naming).
Note that my list of files changed is not identical to that in bug
13888. I added tst-spawn3.c and test-installation.pl, and removed
some tests that seem to me (now) to create temporary files securely
(simply using /tmp is not itself a problem if the temporary files are
handled properly with mkstemp; I haven't checked whether those tests
used to do things insecurely). conformtest is not changed because the
makefiles always pass a --tmpdir option so the /tmp default is
irrelevant, and for the same reason there is no actual problem with
nptl/tst-umask1.c because again the makefiles always override the
default.
nptl/sockperf.c is ignored because there is no code to run it;
probably that file should actually be removed.
Some tests use the mktemp function, but I think they all use it in a
way that *is* secure (for generating names for directories / sockets /
fifos / symlinks, where the operation using the name will not follow
symlinks and so there is no potential for a symlink attack on the
account running the testsuite).
Some tests use the tmpnam function to generate temporary file names.
This is in principle insecure, but not addressed by this patch (I
consider it a separate issue from the fully hardcoded paths).
Tested for x86_64.
[BZ #13888]
* posix/Makefile (CFLAGS-tst-spawn3.c): New variable.
* posix/tst-spawn3.c (do_test): Put tst-spwan3.pid in OBJPFX, not
/tmp.
* scripts/test-installation.pl: Put temporary files in build
directory, not /tmp.
* stdio-common/Makefile (CFLAGS-bug3.c): New variable.
(CFLAGS-bug4.c): Likewise.
(CFLAGS-bug5.c): Likewise.
(CFLAGS-test-fseek.c): Likewise.
(CFLAGS-test-popen.c): Likewise.
(CFLAGS-test_rdwr.c): Likewise.
* stdio-common/bug3.c (main): Put temporary file in OBJPFX, not
/tmp.
* stdio-common/bug4.c (main): Likewise.
* stdio-common/bug5.c (main): Likewise.
* stdio-common/test-fseek.c (TESTFILE): Likewise.
* stdio-common/test-popen.c (do_test): Likewise.
* stdio-common/test_rdwr.c (main): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 ++++++++++++++++++++++
posix/Makefile | 1 +
posix/tst-spawn3.c | 4 ++--
scripts/test-installation.pl | 14 ++++++++------
stdio-common/Makefile | 7 +++++++
stdio-common/bug3.c | 2 +-
stdio-common/bug4.c | 2 +-
stdio-common/bug5.c | 4 ++--
stdio-common/test-fseek.c | 2 +-
stdio-common/test-popen.c | 8 ++++----
stdio-common/test_rdwr.c | 2 +-
11 files changed, 50 insertions(+), 18 deletions(-)
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>From glibc-bugs-return-42349-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jun 26 21:52:08 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/13888] /tmp usage during testing
Date: Tue, 26 Jun 2018 21:52:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #6 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.28 (as discussed in the commit message, my list of files is
different from that previously given in this bug, but I think it covers all the
current tests with hardcoded path names in /tmp used during testing, while I
think cases using mktemp are in fact OK and cases using tmpnam are a separate
issue).
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>From glibc-bugs-return-42350-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 02:39:19 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23343] New: tcache_init() confuses mtrace()
Date: Wed, 27 Jun 2018 02:39:00 -0000
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Bug ID: 23343
Summary: tcache_init() confuses mtrace()
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
In tcache_init() we call directly into _int_malloc() to get a chunk. This
direct fetching of a chunk from internal malloc bypasses the hook tracing used
by mtrace().
Later in tcache_thread_shutdown() we issue __libc_free() which does go through
the __free_hook.
This causes mtrace() to return errors like:
- 0x00007f50400008d0 Free 13 was never alloc'd ??:?
Which indicate that there was an allocation that was free'd but never
allocated.
Tracing this down shows it is the tcache:
(gdb) p victim
$3 = (void *) 0x7ffff00008d0
(gdb) bt
#0 tcache_init () at malloc.c:2988
#1 0x00007ffff767f75b in tcache_init () at malloc.c:2983
#2 __GI___libc_malloc (bytes=1024) at malloc.c:3042
#3 0x00007ffff7681c58 in tr_mallochook (size=1024, caller=0x7ffff766a7e9
<__GI__IO_file_doallocate+121>) at mtrace.c:162
#4 0x00007ffff766a7e9 in __GI__IO_file_doallocate (fp=0x7ffff79af760
<_IO_2_1_stdout_>) at filedoalloc.c:101
#5 0x00007ffff7678a89 in __GI__IO_doallocbuf (fp=fp@entry=0x7ffff79af760
<_IO_2_1_stdout_>) at genops.c:347
#6 0x00007ffff7677d68 in _IO_new_file_overflow (f=0x7ffff79af760
<_IO_2_1_stdout_>, ch=-1) at fileops.c:752
#7 0x00007ffff7676e2f in _IO_new_file_xsputn (f=0x7ffff79af760
<_IO_2_1_stdout_>, data=<optimized out>, n=15) at fileops.c:1251
#8 0x00007ffff766cd8f in __GI__IO_puts (str=0x4009f0 "Running thread!") at
ioputs.c:40
#9 0x000000000040088d in worker (arg=0x0) at ./tst-pthreads.c:10
#10 0x00007ffff79bb777 in start_thread (arg=0x7ffff75fe700) at
pthread_create.c:474
#11 0x00007ffff76f17cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
mtrace ./tst-pthreads ./outTC.mtrace
- 0x00007ffff00008d0 Free 11 was never alloc'd 0x7ffff775eb64
No memory leaks.
As you can see the tcache in the non-main thread is allocated, and then free'd
later, and this confuses mtrace().
This is a non-issue for valgrind which replaces the entire malloc
implementation entirely.
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>From glibc-bugs-return-42351-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 04:23:25 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 27 Jun 2018 04:23:00 -0000
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to jim@meyering.net from comment #8)
> FYI, this now works for me on Fedora 28:
>
> $ echo 'á' | LC_ALL=en_US.UTF-8 grep '[[=a=]]'
> á
I still get no output for that with:
glibc-all-langpacks-2.27-19.fc28.x86_64
glibc-2.27-19.fc28.i686
grep-3.1-5.fc28.x86_64
And running the slightly clarified reproducer:
#include <err.h>
#include <locale.h>
#include <regex.h>
#include <stdio.h>
int
main ()
{
if (setlocale (LC_ALL, "en_US.UTF-8") == NULL)
err (1, "setlocale");
regex_t r;
if (regcomp (&r, "[[=a=]]", 0))
errx (1, "regcomp");
printf ("%d\n", regexec (&r, "\303\241" /* á */ , 0, NULL, 0));
}
results in “1†being printed. The latter also happens when running under
upstream glibc, against the upstream locale data.
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From: "jim at meyering dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 27 Jun 2018 04:49:00 -0000
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--- Comment #10 from jim at meyering dot net <jim at meyering dot net> ---
Odd. Your program prints "0" for me. Here's what I've just done:
---
$ cat > kk.c
#include <err.h>
#include <locale.h>
#include <regex.h>
#include <stdio.h>
int
main ()
{
if (setlocale (LC_ALL, "en_US.UTF-8") == NULL)
err (1, "setlocale");
regex_t r;
if (regcomp (&r, "[[=a=]]", 0))
errx (1, "regcomp");
printf ("%d\n", regexec (&r, "\303\241" /* á */ , 0, NULL, 0));
}
$ gcc kk.c
$ ./a.out
0
$ rpm -qa|grep langpa
glibc-langpack-fr-2.27-19.fc28.x86_64
glibc-langpack-tr-2.27-19.fc28.x86_64
glibc-langpack-en-2.27-19.fc28.x86_64
glibc-langpack-ja-2.27-19.fc28.x86_64
yum-langpacks-0.4.5-8.fc28.noarch
libreoffice-langpack-en-6.0.5.2-1.fc28.x86_64
glibc-langpack-zh-2.27-19.fc28.x86_64
evolution-data-server-langpacks-3.28.3-1.fc28.noarch
$ rpm -q glibc
glibc-2.27-19.fc28.x86_64
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From: "jim at meyering dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 27 Jun 2018 04:52:00 -0000
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--- Comment #11 from jim at meyering dot net <jim at meyering dot net> ---
Note that I noticed grep test failures a day or two ago due to lack of locale
support, so manually installed the few langpacks that were required to make
grep's tests pass.
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 27 Jun 2018 05:02:00 -0000
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to jim@meyering.net from comment #10)
> Odd. Your program prints "0" for me.
Could you run it under strace, to see which locales are loaded?
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 27 Jun 2018 05:12:00 -0000
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--- Comment #13 from jim at meyering dot net <jim at meyering dot net> ---
$ LC_ALL=en_US.UTF-8 strace -eopenat ./a.out
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/usr/lib/locale/en_US.UTF-8/LC_TIME", O_RDONLY|O_CLOEXEC) =
-1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/en_US.utf8/LC_TIME", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
0
+++ exited with 0 +++
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 27 Jun 2018 05:13:00 -0000
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--- Comment #14 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to jim@meyering.net from comment #13)
> $ LC_ALL=en_US.UTF-8 strace -eopenat ./a.out
>
> openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
> openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
> openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
> openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
> openat(AT_FDCWD, "/usr/lib/locale/en_US.UTF-8/LC_TIME", O_RDONLY|O_CLOEXEC)
> = -1 ENOENT (No such file or directory)
> openat(AT_FDCWD, "/usr/lib/locale/en_US.utf8/LC_TIME", O_RDONLY|O_CLOEXEC) =
> 3
> openat(AT_FDCWD, "/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
> 0
> +++ exited with 0 +++
Looks fine to me. But considering that I still get the no match error, I have
to figure out why this happens for me. Hopefully this will also shed some
light on the upstream bug.
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>From glibc-bugs-return-42357-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 07:52:03 2018
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From: "wmealing at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23323] [RFE] CSU startup hardening.
Date: Wed, 27 Jun 2018 07:52:00 -0000
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--- Comment #4 from Wade Mealing <wmealing at redhat dot com> ---
Thanks for the quick response ! patch looks good to me.
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>From glibc-bugs-return-42358-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 14:01:28 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23334] misc/tst-set_ppr fails on some POWER systems in 32-bit mode
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #2)
> (In reply to Adhemerval Zanella from comment #1)
> > Tulio has already brought this up on libc-alpha with a potentially fix [1],
> > however it was not fully compatible with powerpcspe build.
> >
> > [1] https://sourceware.org/ml/libc-alpha/2018-03/msg00055.html
>
> Ah. Would it be possible to simplify matters by using the actual ori
> instruction, given that mfppr32 is just an alias for it?
The 'or' instruction adjust the PPR's PRI field directly, while the 'mfppr32'
is an alias for 'mfspr' instruction which transfer the full contents of the
register. The test uses mfppr{32} to actual check if the 'or' instruction is
indeed changing the PRI values to the expected value and the only other way to
query its value I can think of would be using ptrace (I think kernel does not
provide it through procfs or sysfs).
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>From glibc-bugs-return-42359-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 14:06:11 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23334] misc/tst-set_ppr fails on some POWER systems in 32-bit mode
Date: Wed, 27 Jun 2018 14:06:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23334
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #3)
> (In reply to Florian Weimer from comment #2)
> > (In reply to Adhemerval Zanella from comment #1)
> > > Tulio has already brought this up on libc-alpha with a potentially fix [1],
> > > however it was not fully compatible with powerpcspe build.
> > >
> > > [1] https://sourceware.org/ml/libc-alpha/2018-03/msg00055.html
> >
> > Ah. Would it be possible to simplify matters by using the actual ori
> > instruction, given that mfppr32 is just an alias for it?
>
> The 'or' instruction adjust the PPR's PRI field directly, while the
> 'mfppr32' is an alias for 'mfspr' instruction which transfer the full
> contents of the register. The test uses mfppr{32} to actual check if the
> 'or' instruction is indeed changing the PRI values to the expected value and
> the only other way to query its value I can think of would be using ptrace
> (I think kernel does not provide it through procfs or sysfs).
Oh. What about "mfspr %0,898"? Would that work?
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>From glibc-bugs-return-42360-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 14:16:53 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23334] misc/tst-set_ppr fails on some POWER systems in 32-bit mode
Date: Wed, 27 Jun 2018 14:16:00 -0000
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--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #4)
> (In reply to Adhemerval Zanella from comment #3)
> > (In reply to Florian Weimer from comment #2)
> > > (In reply to Adhemerval Zanella from comment #1)
> > > > Tulio has already brought this up on libc-alpha with a potentially fix [1],
> > > > however it was not fully compatible with powerpcspe build.
> > > >
> > > > [1] https://sourceware.org/ml/libc-alpha/2018-03/msg00055.html
> > >
> > > Ah. Would it be possible to simplify matters by using the actual ori
> > > instruction, given that mfppr32 is just an alias for it?
> >
> > The 'or' instruction adjust the PPR's PRI field directly, while the
> > 'mfppr32' is an alias for 'mfspr' instruction which transfer the full
> > contents of the register. The test uses mfppr{32} to actual check if the
> > 'or' instruction is indeed changing the PRI values to the expected value and
> > the only other way to query its value I can think of would be using ptrace
> > (I think kernel does not provide it through procfs or sysfs).
>
> Oh. What about "mfspr %0,898"? Would that work?
I think the wrong semantic for this instruction, 'mfspr' expects the SPR
register number as first parameter and the GPR register destination as second.
This semantic is for mtspr.
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>From glibc-bugs-return-42361-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 15:59:35 2018
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Subject: [Bug libc/18023] extend_alloca is broken (questionable pointer comparison, horrible machine code)
Date: Wed, 27 Jun 2018 15:59:00 -0000
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--- Comment #15 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=92d6aa8528f2ddab2361bc160a96b9cd3c497a11
commit 92d6aa8528f2ddab2361bc160a96b9cd3c497a11
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Jun 27 17:55:55 2018 +0200
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
The function comment suggests that _dl_map_object_deps cannot use
malloc, but it already allocates the l_initfini array on the heap, so
the additional allocation should be acceptable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=890c2ced35cfbf2de7d787fd37caf23d250da531
commit 890c2ced35cfbf2de7d787fd37caf23d250da531
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Jun 27 17:55:38 2018 +0200
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
Previously, extend_alloca was used without alloca accounting,
which could have been problematic with large NSS results.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4272059de256fb20a7b19b5f8509e0c8d27beaf4
commit 4272059de256fb20a7b19b5f8509e0c8d27beaf4
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Jun 27 17:54:44 2018 +0200
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +++++++++++++
elf/dl-deps.c | 28 +++++++++++--------
posix/wordexp.c | 46 +++++++++++++++++++++------------
sysdeps/unix/sysv/linux/gethostid.c | 48 ++++++++++++++++++++++------------
4 files changed, 94 insertions(+), 46 deletions(-)
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>From glibc-bugs-return-42362-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 16:40:53 2018
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From: "mishra.dhiraj95 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23345] New: Usages of realpath() are subject to bufferoverflows()
Date: Wed, 27 Jun 2018 16:40:00 -0000
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Bug ID: 23345
Summary: Usages of realpath() are subject to bufferoverflows()
Product: glibc
Version: 2.29
Status: UNCONFIRMED
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Priority: P2
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Assignee: unassigned at sourceware dot org
Reporter: mishra.dhiraj95 at gmail dot com
CC: drepper.fsp at gmail dot com
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Created attachment 11102
--> https://sourceware.org/bugzilla/attachment.cgi?id=11102&action=edit
Please advise for point 1. in the given txt which FB security replied on
CVE-2018-1000001
Hi Team,
Few days back I reported a issue in Facebook WDT
(https://github.com/facebook/wdt/).
However I am at stage where FB security team says it would be a glibc bug that
affected WDT, I have added a .txt file which contains entire communication
which happened.
Request `glibc` team to please have a look and advise for same that would
probably help me.
Cheers, Dhiraj
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>From glibc-bugs-return-42363-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 16:47:14 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/22425] Escape by \ with REG_ICASE
Date: Wed, 27 Jun 2018 16:47:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Andreas Schwab from comment #1)
> Unknown backslash escapes invoke undefined behaviour.
Should we mark this bug as invalid then?
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>From glibc-bugs-return-42364-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 16:57:42 2018
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From: "ldv at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23345] Usages of realpath() are subject to bufferoverflows()
Date: Wed, 27 Jun 2018 16:57:00 -0000
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Dmitry V. Levin <ldv at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Dhiraj from comment #0)
> Created attachment 11102 [details]
> Please advise for point 1.
bugzilla is not the best place to look for advise.
> in the given txt which FB security replied on CVE-2018-1000001
CVE-2018-1000001 was fixed in glibc-2.27, see
https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2018-1000001
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>From glibc-bugs-return-42365-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 17:11:14 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/20381] different results between whether fastmap is available or not
Date: Wed, 27 Jun 2018 17:11:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |OBSOLETE
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I am not seeing any issue with the provided testcase on master:
$ ./testrun.sh ./test
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 1 with fastmap, 1 without fastmap
-> OK
regexec returned 1 with fastmap, 1 without fastmap
-> OK
regexec returned 1 with fastmap, 1 without fastmap
-> OK
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 1 with fastmap, 1 without fastmap
-> OK
regexec returned 1 with fastmap, 1 without fastmap
-> OK
regexec returned 1 with fastmap, 1 without fastmap
-> OK
regexec returned 0 with fastmap, 0 without fastmap
-> OK
azanella@birita:~/Projects/glibc/build/x86_64-linux-gnu-work$
I have not backtracked which commit might have fixed, but I am closing it since
it seems to not be reproducible with recent version. Please reopen the bug if
you still see the issue or provide another testcase with similar issue.
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The first check for 'dfa->re_str' is not an issue, the code is not build as
default (because DEBUG is not defined). The other two seemed indeed to require
some checks.
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commit c49e18222e4c40f21586dabced8a49732d946917
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Jun 27 18:39:05 2018 +0200
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
The unused macro definition in posix/glob.c comes from gnulib and will
have to be removed there.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
include/alloca.h | 40 ----------------------------------------
manual/stdio.texi | 1 -
3 files changed, 7 insertions(+), 41 deletions(-)
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----------------------------------------------------------------------------
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--- Comment #17 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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a23008e93eaeeff0059e96ebfc81e23ca56d5bcf Remove macros extend_alloca,
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>From glibc-bugs-return-42370-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 17:39:16 2018
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Subject: [Bug regex/18713] Segmentation Fault in check_matching at regexec.c:1142
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I closing this bug because there is no info on how to reproduce it. If you have
any more information, preferable a working testcase.c, please reopen it.
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>From glibc-bugs-return-42371-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jun 27 17:57:49 2018
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Subject: [Bug libc/23347] New: overflow at realpath()
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Bug ID: 23347
Summary: overflow at realpath()
Product: glibc
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CC: drepper.fsp at gmail dot com
Target Milestone: ---
At file /io/tst-getcwd-abspath.c line number 46 which is,
cwd = realpath (".", NULL);
This function does not protect against buffer overflows, and some
implementations can overflow internally such as (CWE-120/CWE-785!).
Ensure that the destination buffer is at least of size MAXPATHLEN, andto
protect against implementation problems, the input argument should also be
checked to ensure it is no larger than MAXPATHLEN.
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Subject: [Bug libc/23347] overflow at realpath()
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--- Comment #1 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Dhiraj from comment #0)
> At file /io/tst-getcwd-abspath.c line number 46 which is,
Please note this is a test for #22679.
> cwd = realpath (".", NULL);
>
> This function does not protect against buffer overflows,
There are no buffers to overflow in the cited code.
> and some implementations can overflow internally such as (CWE-120/CWE-785!).
Please note that you have reached the GNU libc bugzilla.
> Ensure that the destination buffer is at least of size MAXPATHLEN, andto
> protect against implementation problems, the input argument should also be
> checked to ensure it is no larger than MAXPATHLEN.
Please elaborate.
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=780684eb04298977bc411ebca1eadeeba4877833
commit 780684eb04298977bc411ebca1eadeeba4877833
Author: Maciej W. Rozycki <macro@mips.com>
Date: Wed Jun 27 21:12:16 2018 +0100
nisplus: Correct pwent parsing issue and resulting build error [BZ #23266]
Copy and null-terminate NIS+ password file UID and GID entries whose
length is non-zero and are not terminated, in addition to empty ones,
fixing a bug and a compilation issue causing an error with GCC 8:
nss_nisplus/nisplus-parser.c: In function '_nss_nisplus_parse_pwent':
nss_nisplus/nisplus-parser.c:90:7: error: 'strncpy' destination unchanged
after copying no bytes [-Werror=stringop-truncation]
strncpy (first_unused, numstr, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nss_nisplus/nisplus-parser.c:106:7: error: 'strncpy' destination unchanged
after copying no bytes [-Werror=stringop-truncation]
strncpy (first_unused, numstr, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
introduced with commit ac05397075f6:
commit ac05397075f621cfdbe1db527c96167a58b6d18e
Author: Ulrich Drepper <drepper@redhat.com>
Date: Sun Apr 30 07:01:26 2006 +0000
* nis/nss_nisplus/nisplus-parser.c: Minor optimizations and
cleanups. Avoid copying data if it can be used in the old place.
(no mailing list reference available). Obviously regardless of the
recently added compiler diagnostics causing a build error this code has
been long non-functional, so I guess NIS+ servers have been supplying
strings that are non-empty and have already been null-terminated.
Which in turn made it unnecessary to make a null-terminated copy,
masking this bug.
[BZ #23266]
* nis/nss_nisplus/nisplus-parser.c (_nss_nisplus_parse_pwent):
Copy and null-terminate entries that are not terminated, in
addition to empty ones.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
nis/nss_nisplus/nisplus-parser.c | 4 ++--
2 files changed, 9 insertions(+), 2 deletions(-)
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Subject: [Bug nis/23266] stringop-truncation warning with new gcc8.1 in nisplus-parser.c
Date: Wed, 27 Jun 2018 21:16:00 -0000
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Maciej W. Rozycki <macro@linux-mips.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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CC| |macro@linux-mips.org
Resolution|--- |FIXED
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--- Comment #4 from Maciej W. Rozycki <macro@linux-mips.org> ---
Fixed as per the commit message.
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Subject: [Bug malloc/23328] Remove malloc hooks and ensure related APIs return no data.
Date: Thu, 28 Jun 2018 03:58:00 -0000
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
To be specific this bug is about the removal of:
__free_hook
__malloc_hook
__realloc_hook
__memalign_hook
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>From glibc-bugs-return-42376-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 28 05:39:16 2018
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From: "mishra.dhiraj95 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23347] overflow at realpath()
Date: Thu, 28 Jun 2018 05:39:00 -0000
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--- Comment #2 from Dhiraj <mishra.dhiraj95 at gmail dot com> ---
(In reply to Dmitry V. Levin from comment #1)
> (In reply to Dhiraj from comment #0)
> > At file /io/tst-getcwd-abspath.c line number 46 which is,
>
> Please note this is a test for #22679.
>
> > cwd = realpath (".", NULL);
> >
> > This function does not protect against buffer overflows,
>
> There are no buffers to overflow in the cited code.
>
> > and some implementations can overflow internally such as (CWE-120/CWE-785!).
>
> Please note that you have reached the GNU libc bugzilla.
>
> > Ensure that the destination buffer is at least of size MAXPATHLEN, andto
> > protect against implementation problems, the input argument should also be
> > checked to ensure it is no larger than MAXPATHLEN.
>
> Please elaborate.
realpath() output buffers should be large enough to handle the maximum-size
possible result from path manipulation functions, at least of size PATH_MAX
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23345] Usages of realpath() are subject to bufferoverflows()
Date: Thu, 28 Jun 2018 05:42:00 -0000
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--- Comment #2 from Dhiraj <mishra.dhiraj95 at gmail dot com> ---
(In reply to Dmitry V. Levin from comment #1)
> (In reply to Dhiraj from comment #0)
> > Created attachment 11102 [details]
> > Please advise for point 1.
>
> bugzilla is not the best place to look for advise.
>
> > in the given txt which FB security replied on CVE-2018-1000001
>
> CVE-2018-1000001 was fixed in glibc-2.27, see
> https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2018-1000001
This was regarding a security issue in glibc (FB security team says it would be
a glibc bug that affected facebook WDT.
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Subject: [Bug malloc/23328] Remove malloc hooks and ensure related APIs return no data.
Date: Thu, 28 Jun 2018 05:51:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Does this mean that __morecore and __after_morecore_hook remain?
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From: "ldv at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23347] overflow at realpath()
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Dmitry V. Levin <ldv at sourceware dot org> changed:
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----------------------------------------------------------------------------
CC| |ldv at sourceware dot org
--- Comment #3 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Dhiraj from comment #2)
> (In reply to Dmitry V. Levin from comment #1)
> > (In reply to Dhiraj from comment #0)
[...]
> > > Ensure that the destination buffer is at least of size MAXPATHLEN, andto
> > > protect against implementation problems, the input argument should also be
> > > checked to ensure it is no larger than MAXPATHLEN.
> >
> > Please elaborate.
>
> realpath() output buffers should be large enough to handle the maximum-size
> possible result from path manipulation functions, at least of size PATH_MAX
According to the specification, there are no limitations imposed on the input
string length, and it is responsibility of the caller to ensure that
resolved_path is either NULL or points to a buffer large enough for PATH_MAX
bytes of output.
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Subject: [Bug libc/23349] New: Various glibc headers no longer compatible with <linux/time.h>
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Bug ID: 23349
Summary: Various glibc headers no longer compatible with
<linux/time.h>
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: fweimer at redhat dot com
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Flags: security-
Many glibc headers which appear to be unrelated to struct timespec can no
longer be included along with <linux/time.h>. For example:
#include <signal.h>
#include <linux/time.h>
Order does not matter. This leads to GCC build problems, among other things.
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-42382-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 28 10:22:36 2018
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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Attachment #11077|0 |1
is obsolete| |
--- Comment #6 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11106
--> https://sourceware.org/bugzilla/attachment.cgi?id=11106&action=edit
Version 2
This patch fixes the problems listed in comment 1.
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Subject: [Bug localedata/23318] Use thousands separator matching CLDR
Date: Thu, 28 Jun 2018 11:11:00 -0000
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--- Comment #4 from Marko Myllynen <myllynen at redhat dot com> ---
glibc patch submitted for consideration:
https://sourceware.org/ml/libc-alpha/2018-06/msg00882.html
Thanks.
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit c1c2848b572ea7f92b7fa81dd5b1b9ef7c69b83b
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 28 13:12:16 2018 +0200
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ #23349]
After commit d76d3703551a362b472c866b5b6089f66f8daa8e ("Fix missing
timespec definition for sys/stat.h (BZ #21371)") in combination with
kernel UAPI changes, GCC sanitizer builds start to fail due to a
conflicting definition of struct timespec in <linux/time.h>. Use
_STRUCT_TIMESPEC as the header file inclusion guard, which is already
checked in the kernel header, to support including <linux/time.h> and
<sys/stat.h> in the same translation unit.
-----------------------------------------------------------------------
Summary of changes:
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time/bits/types/struct_timespec.h | 5 +++--
2 files changed, 9 insertions(+), 2 deletions(-)
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
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commit c1c2848b572ea7f92b7fa81dd5b1b9ef7c69b83b
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 28 13:12:16 2018 +0200
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ #23349]
After commit d76d3703551a362b472c866b5b6089f66f8daa8e ("Fix missing
timespec definition for sys/stat.h (BZ #21371)") in combination with
kernel UAPI changes, GCC sanitizer builds start to fail due to a
conflicting definition of struct timespec in <linux/time.h>. Use
_STRUCT_TIMESPEC as the header file inclusion guard, which is already
checked in the kernel header, to support including <linux/time.h> and
<sys/stat.h> in the same translation unit.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
time/bits/types/struct_timespec.h | 5 +++--
2 files changed, 9 insertions(+), 2 deletions(-)
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Subject: [Bug regex/16851] re_node_set_alloc should not return REG_ESPACE when size == 0
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Paul Eggert from comment #3)
> (In reply to Nathan Kennedy from comment #2)
> > re_node_set_alloc's use of malloc is not portable in that it needlessly
> > relies on current glibc malloc behavior not specified in any C standard
>
> Sure, but this is glibc. Glibc is allowed to rely on its own behavior, even
> if that behavior is not specified in the C standard.
>
> > such as in the two downstream projects (gnulib and uClibc).
>
> It's not a bug in gnulib, because of its use of MALLOC_0_IS_NONNULL. If
> there's a uClibc bug, they can fix it there. At some point, we may unify
> gnulib regex and glibc regex, and and that point we'll deal with this, but
> in the meantime there is no bug here.
Paul, I am planning to sync gnulib regex with glibc, and glibc support malloc
interposition. Do we need to handle this case?
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 28 13:21:20 2018 +0200
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ #23349]
After commit d76d3703551a362b472c866b5b6089f66f8daa8e ("Fix missing
timespec definition for sys/stat.h (BZ #21371)") in combination with
kernel UAPI changes, GCC sanitizer builds start to fail due to a
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_STRUCT_TIMESPEC as the header file inclusion guard, which is already
checked in the kernel header, to support including <linux/time.h> and
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(cherry picked from commit c1c2848b572ea7f92b7fa81dd5b1b9ef7c69b83b)
-----------------------------------------------------------------------
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time/bits/types/struct_timespec.h | 5 +++--
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Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 28 13:22:34 2018 +0200
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ #23349]
After commit d76d3703551a362b472c866b5b6089f66f8daa8e ("Fix missing
timespec definition for sys/stat.h (BZ #21371)") in combination with
kernel UAPI changes, GCC sanitizer builds start to fail due to a
conflicting definition of struct timespec in <linux/time.h>. Use
_STRUCT_TIMESPEC as the header file inclusion guard, which is already
checked in the kernel header, to support including <linux/time.h> and
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(cherry picked from commit c1c2848b572ea7f92b7fa81dd5b1b9ef7c69b83b)
-----------------------------------------------------------------------
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time/bits/types/struct_timespec.h | 5 +++--
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Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 28 13:21:20 2018 +0200
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ #23349]
After commit d76d3703551a362b472c866b5b6089f66f8daa8e ("Fix missing
timespec definition for sys/stat.h (BZ #21371)") in combination with
kernel UAPI changes, GCC sanitizer builds start to fail due to a
conflicting definition of struct timespec in <linux/time.h>. Use
_STRUCT_TIMESPEC as the header file inclusion guard, which is already
checked in the kernel header, to support including <linux/time.h> and
<sys/stat.h> in the same translation unit.
(cherry picked from commit c1c2848b572ea7f92b7fa81dd5b1b9ef7c69b83b)
-----------------------------------------------------------------------
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ChangeLog | 6 ++++++
NEWS | 1 +
time/bits/types/struct_timespec.h | 5 +++--
3 files changed, 10 insertions(+), 2 deletions(-)
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Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jun 28 13:22:34 2018 +0200
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ #23349]
After commit d76d3703551a362b472c866b5b6089f66f8daa8e ("Fix missing
timespec definition for sys/stat.h (BZ #21371)") in combination with
kernel UAPI changes, GCC sanitizer builds start to fail due to a
conflicting definition of struct timespec in <linux/time.h>. Use
_STRUCT_TIMESPEC as the header file inclusion guard, which is already
checked in the kernel header, to support including <linux/time.h> and
<sys/stat.h> in the same translation unit.
(cherry picked from commit c1c2848b572ea7f92b7fa81dd5b1b9ef7c69b83b)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
time/bits/types/struct_timespec.h | 5 +++--
3 files changed, 10 insertions(+), 2 deletions(-)
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Subject: [Bug regex/16851] re_node_set_alloc should not return REG_ESPACE when size == 0
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Malloc interposition for regex is being tracked on BZ#751
*** This bug has been marked as a duplicate of bug 751 ***
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>From glibc-bugs-return-42396-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 28 11:46:07 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/751] regecomp can fail with interposed malloc which returns NULL for malloc (0)
Date: Thu, 28 Jun 2018 11:46:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |nkennedy at grammatech dot com
--- Comment #6 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
*** Bug 16851 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-42397-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 28 12:41:50 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23328] Remove malloc hooks and ensure related APIs return no data.
Date: Thu, 28 Jun 2018 12:41:00 -0000
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #2)
> Does this mean that __morecore and __after_morecore_hook remain?
As of right now they do.
I will propose the removal of __morecore and __after_morecore_hook in a second
patch set.
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>From glibc-bugs-return-42398-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 28 15:53:38 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/20381] different results between whether fastmap is available or not
Date: Thu, 28 Jun 2018 15:53:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Last reconfirmed| |2018-06-28
Resolution|OBSOLETE |---
Ever confirmed|0 |1
--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I was fooled by the testcase provided which it does not check if 'setlocale'
was successful. With the 'el_GR.iso88597' installed on my system now I see the
expected issues with master:
$ ./bz20381
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 1 with fastmap, 0 without fastmap
-> FAIL
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 1 with fastmap, 0 without fastmap
-> FAIL
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 0 with fastmap, 0 without fastmap
-> OK
regexec returned 1 with fastmap, 0 without fastmap
-> FAIL
regexec returned 0 with fastmap, 0 without fastmap
-> OK
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>From glibc-bugs-return-42399-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jun 28 17:45:01 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/23328] Remove malloc hooks and ensure related APIs return no data.
Date: Thu, 28 Jun 2018 17:45:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to Florian Weimer from comment #2)
> > Does this mean that __morecore and __after_morecore_hook remain?
>
> As of right now they do.
>
> I will propose the removal of __morecore and __after_morecore_hook in a
> second patch set.
I take it back. I'm going to roll __morecore, __default_morecore, and
__after_morecore_hook removal into this patch too, it's similar enough. I was
mistaken that it might have some extra dependencies.
There is a bit of a wrinkle in that for brand new arches we must continue to
implement mtrace, mcheck, et. al., and to do that we need to keep the hooks
(for now) and expose them via a GLIBC_PRIVATE interface to libmalloc-extras.so.
Otherwise we have to deprecate and remove all the interfaces that use the
hooks, and we need not do that if we can re-implement them a new backend set of
MT-safe hooks (like the trace infrastructure we used for mtrace). However, we
would likely always keep libmalloc-extras.so to implement the tracing support.
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>From glibc-bugs-return-42400-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 03:54:08 2018
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Subject: [Bug malloc/23351] New: Local static disallow_malloc_check is unused?
Date: Fri, 29 Jun 2018 03:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23351
Bug ID: 23351
Summary: Local static disallow_malloc_check is unused?
Product: glibc
Version: 2.29
Status: NEW
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Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
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In malloc/hooks.c there is a rather complex description of
disallow_malloc_check and the interactions with the now deprecated
malloc_set_state and malloc_get_state functions. However, the comment is wrong
since nothing appears to set disallow_malloc_check.
Should this code be removed or does malloc_set_state need to set it to disallow
checking with a blob memory block?
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>From glibc-bugs-return-42401-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 03:55:24 2018
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Subject: [Bug malloc/23351] Local static disallow_malloc_check is unused?
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Florian,
Given that you wrote the compat support for the state save and restore, do you
remember what disallow_malloc_check was for? Was it a feature that was
subsequently removed? Or am I misreading the code?
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>From glibc-bugs-return-42402-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 04:01:43 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23352] New: __malloc_check_init still defined in public header malloc.h.
Date: Fri, 29 Jun 2018 04:01:00 -0000
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Bug ID: 23352
Summary: __malloc_check_init still defined in public header
malloc.h.
Product: glibc
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In malloc.h we still define:
/* Activate a standard set of debugging hooks. */
extern void __malloc_check_init (void) __THROW __MALLOC_DEPRECATED;
However it is not in malloc/Versions, nor is it in any ABI baselines.
It should be removed?
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>From glibc-bugs-return-42404-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 08:22:59 2018
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Subject: [Bug network/21812] getifaddrs() returns entries with ifa_name == NULL
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Target Milestone|--- |2.28
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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commit c1f86a33ca32e26a9d6e29fc961e5ecb5e2e5eb4
Author: Daniel Alvarez <dalvarez@redhat.com>
Date: Fri Jun 29 09:44:55 2018 +0200
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
A lookup operation in map_newlink could turn into an insert because of
holes in the interface part of the map. This leads to incorrectly set
the name of the interface to NULL when the interface is not present
for the address being processed (most likely because the interface was
added between the RTM_GETLINK and RTM_GETADDR calls to the kernel).
When such changes are detected by the kernel, it'll mark the dump as
"inconsistent" by setting NLM_F_DUMP_INTR flag on the next netlink
message.
This patch checks this condition and retries the whole operation.
Hopes are that next time the interface corresponding to the address
entry is present in the list and correct name is returned.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/sysv/linux/ifaddrs.c | 8 ++++++++
2 files changed, 15 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug network/21812] getifaddrs() returns entries with ifa_name == NULL
Date: Fri, 29 Jun 2018 08:22:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Target Milestone|--- |2.28
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Fri, 29 Jun 2018 08:52:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11106|0 |1
is obsolete| |
--- Comment #7 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11108
--> https://sourceware.org/bugzilla/attachment.cgi?id=11108&action=edit
Version 3
This version updates NEWS. Hopefully this is the final version and will be
pushed to master.
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Fri, 29 Jun 2018 10:38:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=339124ab429ce917dfbcd75e2acc4299d27340f9
commit 339124ab429ce917dfbcd75e2acc4299d27340f9
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Jan 30 12:31:12 2018 +0100
ast_ES: Add alternative month names (bug 23140).
[BZ #23140]
* localedata/locales/ast_ES (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 6 +++---
localedata/locales/ast_ES | 17 ++++++++++++++++-
3 files changed, 26 insertions(+), 4 deletions(-)
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Subject: [Bug malloc/23351] Remove unused code related to heap dumps and malloc checking
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Local static |Remove unused code related
|disallow_malloc_check is |to heap dumps and malloc
|unused? |checking
Flags| |security-
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Subject: [Bug malloc/23351] Local static disallow_malloc_check is unused?
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted:
https://sourceware.org/ml/libc-alpha/2018-06/msg00965.html
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Subject: [Bug malloc/23351] Remove unused code related to heap dumps and malloc checking
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commit 524d796d5f52913d5d33edede74a5075dbda25ca
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jun 29 14:54:59 2018 +0200
malloc: Update heap dumping/undumping comments [BZ #23351]
Also remove a few now-unused declarations and definitions.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
malloc/hooks.c | 42 ++++++------------------------------------
malloc/malloc.c | 16 ----------------
3 files changed, 16 insertions(+), 52 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug regex/16851] re_node_set_alloc should not return REG_ESPACE when size == 0
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |eggert at cs dot ucla.edu
--- Comment #6 from eggert at cs dot ucla.edu ---
(In reply to Adhemerval Zanella from comment #4)
> Paul, I am planning to sync gnulib regex with glibc, and glibc support
> malloc interposition. Do we need to handle this case?
We don't *need* to handle this case, since POSIX and the C standard prohibit
malloc interposition in conforming programs, glibc has every right to insist on
its own rules when it supports malloc interposition as an extension, and one of
those rules can be "malloc (0) must return nonnull on success".
That being said, it would be easy to add support for
interposed-malloc-0-returning-NULL to the regex code by doing as Nathan Kennedy
suggests at the top of bug 16851. Although this would add an extra pair of
instructions, these instructions would be executed only in a cold path so there
should be little runtime overhead.
On the other hand, I expect that there are several other places in glibc that
break if an interposed malloc (0) returns NULL on success. Do we really want to
audit glibc and "fix" every instance? Wouldn't it be better just to document
that interposed malloc must behave in a certain way? I'm not sure we should
make glibc a bit bigger and slower simply to cater to malloc interposers that
don't conform to glibc's API.
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>From glibc-bugs-return-42412-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 15:09:03 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/751] regecomp can fail with interposed malloc which returns NULL for malloc (0)
Date: Fri, 29 Jun 2018 15:09:00 -0000
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eggert at cs dot ucla.edu changed:
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----------------------------------------------------------------------------
CC| |eggert at cs dot ucla.edu
--- Comment #7 from eggert at cs dot ucla.edu ---
(In reply to Adhemerval Zanella from comment #6)
> *** Bug 16851 has been marked as a duplicate of this bug. ***
Following up on this marking of duplication: in bug 16851 Nathan Kennedy
proposed a simple patch for this issue, and I just now commented there that
this is a more general issue that is perhaps best addressed by documenting that
an interposed malloc (0) must return nonnull on success.
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/16851] re_node_set_alloc should not return REG_ESPACE when size == 0
Date: Fri, 29 Jun 2018 16:02:00 -0000
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--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to eggert from comment #6)
> (In reply to Adhemerval Zanella from comment #4)
>
> > Paul, I am planning to sync gnulib regex with glibc, and glibc support
> > malloc interposition. Do we need to handle this case?
>
> We don't *need* to handle this case, since POSIX and the C standard prohibit
> malloc interposition in conforming programs, glibc has every right to insist
> on its own rules when it supports malloc interposition as an extension, and
> one of those rules can be "malloc (0) must return nonnull on success".
>
> That being said, it would be easy to add support for
> interposed-malloc-0-returning-NULL to the regex code by doing as Nathan
> Kennedy suggests at the top of bug 16851. Although this would add an extra
> pair of instructions, these instructions would be executed only in a cold
> path so there should be little runtime overhead.
>
> On the other hand, I expect that there are several other places in glibc
> that break if an interposed malloc (0) returns NULL on success. Do we really
> want to audit glibc and "fix" every instance? Wouldn't it be better just to
> document that interposed malloc must behave in a certain way? I'm not sure
> we should make glibc a bit bigger and slower simply to cater to malloc
> interposers that don't conform to glibc's API.
Right, I think we can expect an interposable malloc to follow glibc semantics,
I will bring this up on libc-alpha.
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Subject: [Bug dynamic-link/23307] Absolute symbols whose value is zero ignored in lookup
Date: Fri, 29 Jun 2018 16:13:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bac15a72fcf0ed143dd959604d9317c4bb94160a
commit bac15a72fcf0ed143dd959604d9317c4bb94160a
Author: Maciej W. Rozycki <macro@mips.com>
Date: Fri Jun 29 17:10:43 2018 +0100
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
We have this condition in `check_match' (in elf/dl-lookup.c):
if (__glibc_unlikely ((sym->st_value == 0 /* No value. */
&& stt != STT_TLS)
|| ELF_MACHINE_SYM_NO_MATCH (sym)
|| (type_class & (sym->st_shndx == SHN_UNDEF))))
return NULL;
which causes all !STT_TLS symbols whose value is zero to be silently
ignored in lookup. This may make sense for regular symbols, however not
for absolute (SHN_ABS) ones, where zero is like any value, there's no
special meaning attached to it.
Consequently legitimate programs fail, for example taking the
`elf/tst-absolute-sym' test case, substituting 0 for 0x55aa in
`elf/tst-absolute-sym-lib.lds' and then trying to run the resulting
program we get this:
$ .../elf/tst-absolute-sym
.../elf/tst-absolute-sym: symbol lookup error:
.../elf/tst-absolute-sym-lib.so: undefined symbol: absolute
$
even though the symbol clearly is there:
$ readelf --dyn-syms .../elf/tst-absolute-sym-lib.so | grep '\babsolute\b'
7: 00000000 0 NOTYPE GLOBAL DEFAULT ABS absolute
$
The check for the zero value has been there since forever or commit
d66e34cd4234/08162fa88891 ("Implemented runtime dynamic linker to
support ELF shared libraries.") dating back to May 2nd 1995, and the
problem triggers regardless of commit e7feec374c63 ("elf: Correct
absolute (SHN_ABS) symbol run-time calculation [BZ #19818]") being
present or not.
Fix the issue then, by permitting `sym->st_value' to be 0 for SHN_ABS
symbols in lookup.
[BZ #23307]
* elf/dl-lookup.c (check_match): Do not reject a symbol whose
`st_value' is 0 if `st_shndx' is SHN_ABS.
* elf/tst-absolute-zero.c: New file.
* elf/tst-absolute-zero-lib.c: New file.
* elf/tst-absolute-zero-lib.lds: New file.
* elf/Makefile (tests): Add `tst-absolute-zero'.
(modules-names): Add `tst-absolute-zero-lib'.
(LDLIBS-tst-absolute-zero-lib.so): New variable.
($(objpfx)tst-absolute-zero-lib.so): New dependency.
($(objpfx)tst-absolute-zero: New dependency.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 ++++++++++++++
elf/Makefile | 8 ++++++--
elf/dl-lookup.c | 1 +
elf/tst-absolute-zero-lib.c | 25 +++++++++++++++++++++++++
elf/tst-absolute-zero-lib.lds | 1 +
elf/tst-absolute-zero.c | 38 ++++++++++++++++++++++++++++++++++++++
6 files changed, 85 insertions(+), 2 deletions(-)
create mode 100644 elf/tst-absolute-zero-lib.c
create mode 100644 elf/tst-absolute-zero-lib.lds
create mode 100644 elf/tst-absolute-zero.c
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/19818] Absolute (SHN_ABS) symbols incorrectly relocated by the base address
Date: Fri, 29 Jun 2018 16:13:00 -0000
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bac15a72fcf0ed143dd959604d9317c4bb94160a
commit bac15a72fcf0ed143dd959604d9317c4bb94160a
Author: Maciej W. Rozycki <macro@mips.com>
Date: Fri Jun 29 17:10:43 2018 +0100
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
We have this condition in `check_match' (in elf/dl-lookup.c):
if (__glibc_unlikely ((sym->st_value == 0 /* No value. */
&& stt != STT_TLS)
|| ELF_MACHINE_SYM_NO_MATCH (sym)
|| (type_class & (sym->st_shndx == SHN_UNDEF))))
return NULL;
which causes all !STT_TLS symbols whose value is zero to be silently
ignored in lookup. This may make sense for regular symbols, however not
for absolute (SHN_ABS) ones, where zero is like any value, there's no
special meaning attached to it.
Consequently legitimate programs fail, for example taking the
`elf/tst-absolute-sym' test case, substituting 0 for 0x55aa in
`elf/tst-absolute-sym-lib.lds' and then trying to run the resulting
program we get this:
$ .../elf/tst-absolute-sym
.../elf/tst-absolute-sym: symbol lookup error:
.../elf/tst-absolute-sym-lib.so: undefined symbol: absolute
$
even though the symbol clearly is there:
$ readelf --dyn-syms .../elf/tst-absolute-sym-lib.so | grep '\babsolute\b'
7: 00000000 0 NOTYPE GLOBAL DEFAULT ABS absolute
$
The check for the zero value has been there since forever or commit
d66e34cd4234/08162fa88891 ("Implemented runtime dynamic linker to
support ELF shared libraries.") dating back to May 2nd 1995, and the
problem triggers regardless of commit e7feec374c63 ("elf: Correct
absolute (SHN_ABS) symbol run-time calculation [BZ #19818]") being
present or not.
Fix the issue then, by permitting `sym->st_value' to be 0 for SHN_ABS
symbols in lookup.
[BZ #23307]
* elf/dl-lookup.c (check_match): Do not reject a symbol whose
`st_value' is 0 if `st_shndx' is SHN_ABS.
* elf/tst-absolute-zero.c: New file.
* elf/tst-absolute-zero-lib.c: New file.
* elf/tst-absolute-zero-lib.lds: New file.
* elf/Makefile (tests): Add `tst-absolute-zero'.
(modules-names): Add `tst-absolute-zero-lib'.
(LDLIBS-tst-absolute-zero-lib.so): New variable.
($(objpfx)tst-absolute-zero-lib.so): New dependency.
($(objpfx)tst-absolute-zero: New dependency.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 ++++++++++++++
elf/Makefile | 8 ++++++--
elf/dl-lookup.c | 1 +
elf/tst-absolute-zero-lib.c | 25 +++++++++++++++++++++++++
elf/tst-absolute-zero-lib.lds | 1 +
elf/tst-absolute-zero.c | 38 ++++++++++++++++++++++++++++++++++++++
6 files changed, 85 insertions(+), 2 deletions(-)
create mode 100644 elf/tst-absolute-zero-lib.c
create mode 100644 elf/tst-absolute-zero-lib.lds
create mode 100644 elf/tst-absolute-zero.c
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23307] Absolute symbols whose value is zero ignored in lookup
Date: Fri, 29 Jun 2018 16:18:00 -0000
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--- Comment #2 from Maciej W. Rozycki <macro@linux-mips.org> ---
The issue has been fixed, however keeping the bug open for the outcome with
the ABI bump proposal: <https://patchwork.sourceware.org/patch/27910/>.
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 3aaf8bda00988f21f4a83affff47bafc74a745a0
Author: Daniel Alvarez <dalvarez@redhat.com>
Date: Fri Jun 29 17:23:13 2018 +0200
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
A lookup operation in map_newlink could turn into an insert because of
holes in the interface part of the map. This leads to incorrectly set
the name of the interface to NULL when the interface is not present
for the address being processed (most likely because the interface was
added between the RTM_GETLINK and RTM_GETADDR calls to the kernel).
When such changes are detected by the kernel, it'll mark the dump as
"inconsistent" by setting NLM_F_DUMP_INTR flag on the next netlink
message.
This patch checks this condition and retries the whole operation.
Hopes are that next time the interface corresponding to the address
entry is present in the list and correct name is returned.
(cherry picked from commit c1f86a33ca32e26a9d6e29fc961e5ecb5e2e5eb4)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 1 +
sysdeps/unix/sysv/linux/ifaddrs.c | 8 ++++++++
3 files changed, 16 insertions(+), 0 deletions(-)
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Subject: [Bug network/22442] if_nametoindex could report index for the wrong networking interface
Date: Fri, 29 Jun 2018 17:25:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 74d16a57a3615fcf05e5c60cb5a8f25e8acf38b9
Author: Steve Ellcey <sellcey@caviumnetworks.com>
Date: Fri Jun 29 17:32:23 2018 +0200
Check length of ifname before copying it into to ifreq structure.
[BZ #22442]
* sysdeps/unix/sysv/linux/if_index.c (__if_nametoindex):
Check if ifname is too long.
(cherry picked from commit 2180fee114b778515b3f560e5ff1e795282e60b0)
-----------------------------------------------------------------------
Summary of changes:
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sysdeps/unix/sysv/linux/if_index.c | 6 ++++++
3 files changed, 13 insertions(+), 0 deletions(-)
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Subject: [Bug dynamic-link/23307] Absolute symbols whose value is zero ignored in lookup
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Maciej W. Rozycki <macro@linux-mips.org> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from Maciej W. Rozycki <macro@linux-mips.org> ---
Marking as fixed as per
<https://sourceware.org/ml/libc-alpha/2018-06/msg01013.html>.
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Subject: [Bug network/21812] getifaddrs() returns entries with ifa_name == NULL
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 4476d16b033341be5b0a884425cff19b0358ea25
Author: Daniel Alvarez <dalvarez@redhat.com>
Date: Fri Jun 29 17:23:52 2018 +0200
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
A lookup operation in map_newlink could turn into an insert because of
holes in the interface part of the map. This leads to incorrectly set
the name of the interface to NULL when the interface is not present
for the address being processed (most likely because the interface was
added between the RTM_GETLINK and RTM_GETADDR calls to the kernel).
When such changes are detected by the kernel, it'll mark the dump as
"inconsistent" by setting NLM_F_DUMP_INTR flag on the next netlink
message.
This patch checks this condition and retries the whole operation.
Hopes are that next time the interface corresponding to the address
entry is present in the list and correct name is returned.
(cherry picked from commit c1f86a33ca32e26a9d6e29fc961e5ecb5e2e5eb4)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 1 +
sysdeps/unix/sysv/linux/ifaddrs.c | 8 ++++++++
3 files changed, 16 insertions(+), 0 deletions(-)
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Subject: [Bug localedata/22996] change LC_PAPER to en_US in es_BO local
Date: Fri, 29 Jun 2018 19:49:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit cdb52c71821d8d7d814daf7d01fbd003daef9c22
Author: Sylvain Lesage <severo@rednegra.net>
Date: Fri Jun 29 20:55:59 2018 +0200
es_BO locale: Change LC_PAPER to en_US (bug 22996).
[BZ #22996]
* localedata/locales/es_BO (LC_PAPER): Change to “copy "en_US"â€.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
localedata/locales/es_BO | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
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Subject: [Bug localedata/22996] change LC_PAPER to en_US in es_BO local
Date: Fri, 29 Jun 2018 20:01:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #3 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed by commit
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=cdb52c71821d8d7d814daf7d01fbd003daef9c22
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Fri, 29 Jun 2018 20:22:00 -0000
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--- Comment #42 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 2e0c5de622749a5e1f2b01afa19ec58199cc0bdf
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Fri Feb 24 03:13:15 2017 +0100
hy_AM: Add alternative month names (bug 23140).
This locale already contained correct data in mon array. Updated from
CLDR to start the month names with the lowercase letters.
alt_mon is a new import from CLDR. The change has been consulted
off-list with a native speaker.
[BZ #23140]
* localedata/locales/hy_AM (mon): Synchronize with CLDR (lowercase,
genitive case).
(alt_mon): New entry, import from CLDR (nominative case).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 2 +-
localedata/locales/hy_AM | 36 ++++++++++++++++++++++++------------
3 files changed, 32 insertions(+), 13 deletions(-)
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>From glibc-bugs-return-42424-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 21:06:28 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Fri, 29 Jun 2018 21:06:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a1e0c5fa88939f3d2fd19518d514b936f5105f3c
commit a1e0c5fa88939f3d2fd19518d514b936f5105f3c
Author: Michael Wolf <milupo@sorbzilla.de>
Date: Fri Jun 8 01:26:43 2018 +0200
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
[BZ #23208]
* localedata/SUPPORTED (dsb_DE/UTF-8): New entry.
* localedata/locales/dsb_DE: New file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +
NEWS | 3 +
localedata/SUPPORTED | 1 +
localedata/locales/{hsb_DE => dsb_DE} | 183 +++++++++++++++++---------------
4 files changed, 107 insertions(+), 86 deletions(-)
copy localedata/locales/{hsb_DE => dsb_DE} (58%)
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>From glibc-bugs-return-42425-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jun 29 21:19:44 2018
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Fri, 29 Jun 2018 21:19:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
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Resolution|--- |FIXED
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--- Comment #9 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Done.
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Subject: [Bug libc/23329] The __libc_freeres infrastructure is not properly run across DSO boundaries.
Date: Sat, 30 Jun 2018 02:45:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2827ab990aefbb0e53374199b875d98f116d6390
commit 2827ab990aefbb0e53374199b875d98f116d6390
Author: Carlos O'Donell <carlos@redhat.com>
Date: Fri Jun 22 09:28:47 2018 -0400
libc: Extend __libc_freeres framework (Bug 23329).
The __libc_freeres framework does not extend to non-libc.so objects.
This causes problems in general for valgrind and mtrace detecting
unfreed objects in both libdl.so and libpthread.so. This change is
a pre-requisite to properly moving the malloc hooks out of malloc
since such a move now requires precise accounting of all allocated
data before destructors are run.
This commit adds a proper hook in libc.so.6 for both libdl.so and
for libpthread.so, this ensures that shm-directory.c which uses
freeit () to free memory is called properly. We also remove the
nptl_freeres hook and fall back to using weak-ref-and-check idiom
for a loaded libpthread.so, thus making this process similar for
all DSOs.
Lastly we follow best practice and use explicit free calls for
both libdl.so and libpthread.so instead of the generic hook process
which has undefined order.
Tested on x86_64 with no regressions.
Signed-off-by: DJ Delorie <dj@redhat.com>
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 48 ++++++++++++++++++
dlfcn/Makefile | 2 +-
dlfcn/Versions | 1 +
dlfcn/dlerror.c | 14 +++++
dlfcn/dlfreeres.c | 29 +++++++++++
dlfcn/sdlfreeres.c | 1 +
include/dlfcn.h | 4 +-
include/libc-symbols.h | 83 +++++++++++++++++++++++++++----
include/set-hooks.h | 3 +-
malloc/set-freeres.c | 15 ++++++
malloc/thread-freeres.c | 4 +-
nptl/Makefile | 2 +-
nptl/Versions | 1 +
nptl/allocatestack.c | 12 +++-
nptl/libc_pthread_init.c | 8 ---
nptl/nptl-init.c | 15 ------
nptl/nptlfreeres.c | 31 +++++++++++
nptl/pthreadP.h | 5 +-
resolv/res-close.c | 1 +
resolv/resolv_conf.c | 1 +
string/strerror_l.c | 3 +-
sunrpc/rpc_thread.c | 1 +
sysdeps/mach/strerror_l.c | 3 +-
sysdeps/nptl/pthread-functions.h | 1 -
sysdeps/nptl/unwind-forcedunwind.c | 4 +-
sysdeps/unix/sysv/linux/shm-directory.c | 6 +-
26 files changed, 245 insertions(+), 53 deletions(-)
create mode 100644 dlfcn/dlfreeres.c
create mode 100644 dlfcn/sdlfreeres.c
create mode 100644 nptl/nptlfreeres.c
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>From glibc-bugs-return-42427-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 30 12:05:58 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/17662] please implement binding for the new renameat2 syscall
Date: Sat, 30 Jun 2018 12:05:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |fweimer at redhat dot com
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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>From glibc-bugs-return-42428-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 30 16:19:49 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/17662] please implement binding for the new renameat2 syscall
Date: Sat, 30 Jun 2018 16:19:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted:
https://sourceware.org/ml/libc-alpha/2018-06/msg01026.html
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>From glibc-bugs-return-42429-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 30 16:57:37 2018
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From: "mishra.dhiraj95 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23347] overflow at realpath()
Date: Sat, 30 Jun 2018 16:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23347
--- Comment #4 from Dhiraj <mishra.dhiraj95 at gmail dot com> ---
(In reply to Dmitry V. Levin from comment #3)
> (In reply to Dhiraj from comment #2)
> > (In reply to Dmitry V. Levin from comment #1)
> > > (In reply to Dhiraj from comment #0)
> [...]
> > > > Ensure that the destination buffer is at least of size MAXPATHLEN, andto
> > > > protect against implementation problems, the input argument should also be
> > > > checked to ensure it is no larger than MAXPATHLEN.
> > >
> > > Please elaborate.
> >
> > realpath() output buffers should be large enough to handle the maximum-size
> > possible result from path manipulation functions, at least of size PATH_MAX
>
> According to the specification, there are no limitations imposed on the
> input string length, and it is responsibility of the caller to ensure that
> resolved_path is either NULL or points to a buffer large enough for PATH_MAX
> bytes of output.
Thanks Dmitry for clarification.
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>From glibc-bugs-return-42430-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jun 30 20:28:18 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23329] The __libc_freeres infrastructure is not properly run across DSO boundaries.
Date: Sat, 30 Jun 2018 20:28:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Does the commit fix the bug (in which case it should be RESOLVED as FIXED
with target milestone set) or does it only partially address it (it's a
very good idea for commits only partially addressing a bug to say so
explicitly in the commit message, so that if the bug is deliberately not
being marked as resolved, it's obvious that it's deliberate)?
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Subject: [Bug libc/23347] overflow at realpath()
Date: Mon, 02 Jul 2018 02:56:00 -0000
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |ppluzhnikov at google dot com
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--- Comment #5 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
There is no bug here.
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>From glibc-bugs-return-42432-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 00:25:49 2018
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Subject: [Bug malloc/23362] New: memalign()
Date: Tue, 03 Jul 2018 00:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23362
Bug ID: 23362
Summary: memalign()
Product: glibc
Version: 2.27
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Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: mishra.dhiraj95 at gmail dot com
Target Milestone: ---
File: /malloc/tst-memalign.c:76
p = memalign (-1, pagesize);
On some systems, not Linux-based systems an attempt to free() results from
memalign() may fail. This may, on a few systems, be exploitable. Also note that
memalign() may not check that the boundary parameter is correct.
Use posix_memalign instead (defined in POSIX's 1003.1d). Don't switch to
valloc(); it is marked as obsolete in BSD 4.3, as legacy in SUSv2, and is no
longer defined in SUSv3. In some cases, malloc()'s alignment may be sufficient.
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>From glibc-bugs-return-42433-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 05:04:50 2018
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Subject: [Bug locale/18441] Performance regression due to strcoll_l changes
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Patraphong Sukhonpitumart <tenniscp25 at gmail dot com> changed:
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--- Comment #10 from Patraphong Sukhonpitumart <tenniscp25 at gmail dot com> ---
I believe this regression still affects glibc 2.27, and as a result, PostgreSQL
10.3 on Ubuntu 16.04. Since our project involves a lot of Thai text sorts,
might I ask whether and when the patch is ready to get merged, of course, at
your convenience?
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>From glibc-bugs-return-42434-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 06:36:24 2018
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Subject: [Bug malloc/23362] memalign()
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-07-03
CC| |fweimer at redhat dot com
Ever confirmed|0 |1
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Are you quoting some text? Where did you see it?
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>From glibc-bugs-return-42435-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 07:53:59 2018
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Subject: [Bug locale/18441] Performance regression due to strcoll_l changes
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--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Patraphong Sukhonpitumart from comment #10)
> I believe this regression still affects glibc 2.27, and as a result,
> PostgreSQL 10.3 on Ubuntu 16.04. Since our project involves a lot of Thai
> text sorts, might I ask whether and when the patch is ready to get merged,
> of course, at your convenience?
PostgreSQL 10 supports ICU for collations:
https://www.postgresql.org/docs/10/static/sql-altercollation.html
Maybe this is an alternative until this bug is fixed (which could turn out very
difficult to implement)?
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>From glibc-bugs-return-42436-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 09:35:06 2018
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Subject: [Bug malloc/23362] memalign()
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--- Comment #2 from Dhiraj <mishra.dhiraj95 at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> Are you quoting some text? Where did you see it?
I found this on multiple line in same tst-memalign.c file.
i.e tst-memalign.c:46,61,76,90,98
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>From glibc-bugs-return-42437-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 09:38:18 2018
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Subject: [Bug malloc/23362] memalign()
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Dhiraj from comment #2)
> (In reply to Florian Weimer from comment #1)
> > Are you quoting some text? Where did you see it?
>
> I found this on multiple line in same tst-memalign.c file.
>
> i.e tst-memalign.c:46,61,76,90,98
No, I meant: Where did you find the text you quoted? Did you just run
FlawFinder on the glibc sources?
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>From glibc-bugs-return-42438-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 09:41:39 2018
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Subject: [Bug malloc/23362] memalign()
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--- Comment #4 from Dhiraj <mishra.dhiraj95 at gmail dot com> ---
(In reply to Florian Weimer from comment #3)
> (In reply to Dhiraj from comment #2)
> > (In reply to Florian Weimer from comment #1)
> > > Are you quoting some text? Where did you see it?
> >
> > I found this on multiple line in same tst-memalign.c file.
> >
> > i.e tst-memalign.c:46,61,76,90,98
>
> No, I meant: Where did you find the text you quoted? Did you just run
> FlawFinder on the glibc sources?
I have used cppcheck in this case.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23363
Bug ID: 23363
Summary: stdio-common/tst-printf.c has non-free license
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
The permission notice does not allow modification:
/* (C) Copyright C E Chew
*
* Feel free to copy, use and distribute this software provided:
*
* 1. you do not pretend that you wrote it
* 2. you leave this copyright notice intact.
*/
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Subject: [Bug stdio/23363] stdio-common/tst-printf.c has non-free license
Date: Tue, 03 Jul 2018 15:27:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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Subject: [Bug libc/23329] The __libc_freeres infrastructure is not properly run across DSO boundaries.
Date: Tue, 03 Jul 2018 15:35:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |fweimer at redhat dot com
Version|2.29 |2.28
Resolution|--- |FIXED
Target Milestone|--- |2.28
Flags| |security-
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28, as far as I can see.
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>From glibc-bugs-return-42442-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 03 16:12:54 2018
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Subject: [Bug stdio/23313] libio vtables validation and standard file object interposition
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3bb748257405e94e13de76573a4e9da1cfd961d0
commit 3bb748257405e94e13de76573a4e9da1cfd961d0
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jul 3 15:54:49 2018 +0200
libio: Disable vtable validation in case of interposition [BZ #23313]
(cherry picked from commit c402355dfa7807b8e0adb27c009135a7e2b9f1b0)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
NEWS | 1 +
libio/vtables.c | 16 ++++++++++++++++
3 files changed, 22 insertions(+), 0 deletions(-)
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Subject: [Bug stdio/23313] libio vtables validation and standard file object interposition
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commit 2781bd5a8690b5f1553b655f947a35f1d3dd23d0
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jun 26 10:24:52 2018 +0200
libio: Disable vtable validation in case of interposition [BZ #23313]
(cherry picked from commit c402355dfa7807b8e0adb27c009135a7e2b9f1b0)
-----------------------------------------------------------------------
Summary of changes:
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libio/vtables.c | 16 ++++++++++++++++
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Subject: [Bug stdio/23363] stdio-common/tst-printf.c has non-free license
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commit 5a357506659f9a00fcf5bc9c5d8fc676175c89a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jul 3 18:29:16 2018 +0200
stdio-common/tst-printf.c: Remove part under a non-free license [BZ #23363]
The license does not allow modification.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 ++++
LICENSES | 9 -----
stdio-common/tst-printf.c | 74 +------------------------------------------
stdio-common/tst-printf.sh | 42 -------------------------
4 files changed, 9 insertions(+), 123 deletions(-)
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Subject: [Bug stdio/23363] stdio-common/tst-printf.c has non-free license
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit b12bed3e061af6df02e7f685fb465235513bb171
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jul 3 18:34:26 2018 +0200
stdio-common/tst-printf.c: Remove part under a non-free license [BZ #23363]
The license does not allow modification.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 5a357506659f9a00fcf5bc9c5d8fc676175c89a7)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 ++++
LICENSES | 9 -----
NEWS | 1 +
stdio-common/tst-printf.c | 70 --------------------------------------------
stdio-common/tst-printf.sh | 42 --------------------------
5 files changed, 8 insertions(+), 121 deletions(-)
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Subject: [Bug stdio/23363] stdio-common/tst-printf.c has non-free license
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7602b9e48c30c146d52df91dd83e518b8d0d343b
commit 7602b9e48c30c146d52df91dd83e518b8d0d343b
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jul 3 18:36:19 2018 +0200
stdio-common/tst-printf.c: Remove part under a non-free license [BZ #23363]
The license does not allow modification.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 5a357506659f9a00fcf5bc9c5d8fc676175c89a7)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 ++++
LICENSES | 9 -----
NEWS | 1 +
stdio-common/tst-printf.c | 74 +------------------------------------------
stdio-common/tst-printf.sh | 42 -------------------------
5 files changed, 10 insertions(+), 123 deletions(-)
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Subject: [Bug stdio/23363] stdio-common/tst-printf.c has non-free license
Date: Tue, 03 Jul 2018 16:51:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Wed, 04 Jul 2018 10:25:00 -0000
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5fab7fe1dc9cab9a46cf5c8840aa9b7ea3a26296
commit 5fab7fe1dc9cab9a46cf5c8840aa9b7ea3a26296
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Jul 4 12:01:31 2018 +0200
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
Previously, only the SSE2 rounding mode was set, so the assembler
implementations using 387 were not following the expecting rounding
mode.
(cherry picked from commit f496b28e61d0342f579bf794c71b80e9c7d0b1b5)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 ++++++++++++
NEWS | 1 +
sysdeps/generic/math_private.h | 68 +++++++++++++++++++++------------------
sysdeps/i386/Makefile | 8 ++++
sysdeps/i386/fpu/fenv_private.h | 18 +++++++---
5 files changed, 81 insertions(+), 36 deletions(-)
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
Date: Wed, 04 Jul 2018 11:30:00 -0000
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commit b11643c21c5c9d67a69c8ae952e5231ce002e7f1
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Jun 18 18:23:44 2018 +0200
Bug 23308: Update to Unicode 11.0.0
Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
the generator scripts contributed by Mike FABIAN (Red Hat).
Some info about the number of characters added:
Total added characters in newly generated CHARMAP: 684
Total added characters in newly generated WIDTH: 119
alpha: Added 380 characters in new ctype which were not in old ctype
combining: Added 56 characters in new ctype which were not in old ctype
combining_level3: Added 37 characters in new ctype which were not in old
ctype
graph: Added 684 characters in new ctype which were not in old ctype
lower: Added 82 characters in new ctype which were not in old ctype
print: Added 684 characters in new ctype which were not in old ctype
punct: Added 304 characters in new ctype which were not in old ctype
tolower: Added 79 characters in new ctype which were not in old ctype
totitle: Added 33 characters in new ctype which were not in old ctype
toupper: Added 79 characters in new ctype which were not in old ctype
upper: Added 79 characters in new ctype which were not in old ctype
No characters were removed.
[BZ #23308]
* unicode-gen/Makefile (UNICODE_VERSION): Set to 11.0.0.
* localedata/unicode-gen/DerivedCoreProperties.txt: Update to Unicode
11.0.0.
* localedata/unicode-gen/EastAsianWidth.txt: likewise.
* localedata/unicode-gen/PropList.txt: likewise.
* localedata/unicode-gen/UnicodeData.txt: likewise.
* localedata/charmaps/UTF-8: Regenerate.
* localedata/locales/i18n_ctype: likewise.
* localedata/locales/tr_TR: likewise.
* localedata/locales/translit_circle: likewise.
* localedata/locales/translit_cjk_compat: likewise.
* localedata/locales/translit_combining: likewise.
* localedata/locales/translit_compat: likewise.
* localedata/locales/translit_font: likewise.
* localedata/locales/translit_fraction: likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +
NEWS | 4 +
localedata/charmaps/UTF-8 | 720 +++++++-
localedata/locales/i18n_ctype | 2194 ++++++++++++----------
localedata/locales/tr_TR | 2194 ++++++++++++----------
localedata/locales/translit_circle | 2 +-
localedata/locales/translit_cjk_compat | 2 +-
localedata/locales/translit_combining | 100 +-
localedata/locales/translit_compat | 2 +-
localedata/locales/translit_font | 2 +-
localedata/locales/translit_fraction | 2 +-
localedata/unicode-gen/DerivedCoreProperties.txt | 515 ++++--
localedata/unicode-gen/EastAsianWidth.txt | 135 +-
localedata/unicode-gen/Makefile | 2 +-
localedata/unicode-gen/PropList.txt | 77 +-
localedata/unicode-gen/UnicodeData.txt | 778 +++++++-
16 files changed, 4372 insertions(+), 2375 deletions(-)
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Subject: [Bug regex/13762] re_search etc. should return -2 on memory exhaustion
Date: Wed, 04 Jul 2018 12:56:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit eb04c21373e2a2885f3d52ff192b0499afe3c672
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Dec 20 09:47:44 2017 -0200
posix: Sync gnulib regex implementation
This patch syncs the regex implementation with gnulib (commit 0ee5212).
Only two changes in GLIBC regex testing are required:
1. posix/bug-regex28.c: as previously discussed [1] the change of
expected results on the pattern should be safe.
2. posix/PCRE.tests: the ERE (a)|\1 is malformed (in the sense that
the \1 doesn't mean anything) and although current GLIBC accepts
it has undefined behavior. This patch removes the specific test.
This sync contains some patches from thread 'Regex: Make libc regex
more usable outside GLIBC.' [2] which have been pushed upstream in
gnulib. This patches also fixes some regex issues (BZ #23233,
BZ #21163, BZ #18986, BZ #13762) and I did not add testcases for
both #23233 and #13762 because I couldn't think a simple way to
trigger the expected failure path to trigger them.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #23233]
[BZ #21163]
[BZ #18986]
[BZ #13762]
* posix/Makefile (tests): Add bug-regex37 and bug-regex38.
* posix/PCRE.tests: Remove invalid test.
* posix/bug-regex28.c: Fix expected values for used syntax.
* posix/bug-regex37.c: New file.
* posix/bug-regex38.c: Likewise.
* posix/regcomp.c: Sync with gnulib.
* posix/regex.c: Likewise.
* posix/regex.h: Likewise.
* posix/regex_internal.c: Likewise.
* posix/regex_internal.h: Likewise.
* posix/regexec.c: Likewise.
[1] https://sourceware.org/ml/libc-alpha/2017-12/msg00807.html
[2] https://sourceware.org/ml/libc-alpha/2017-12/msg00237.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +
posix/Makefile | 3 +-
posix/PCRE.tests | 13 -
posix/bug-regex28.c | 46 +-
wcsmbs/test-char-types.c => posix/bug-regex37.c | 11 +-
wcsmbs/test-char-types.c => posix/bug-regex38.c | 11 +-
posix/regcomp.c | 597 +++++++++------
posix/regex.c | 21 +-
posix/regex.h | 335 +++++----
posix/regex_internal.c | 295 ++++----
posix/regex_internal.h | 442 ++++++++----
posix/regexec.c | 936 ++++++++++++-----------
12 files changed, 1557 insertions(+), 1171 deletions(-)
copy wcsmbs/test-char-types.c => posix/bug-regex37.c (78%)
copy wcsmbs/test-char-types.c => posix/bug-regex38.c (78%)
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Subject: [Bug regex/21163] Assertion failure in pop_fail_stack when executing a malformed regexp (CVE-2015-8985)
Date: Wed, 04 Jul 2018 12:56:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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generated because a ref change was pushed to the repository containing
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672
commit eb04c21373e2a2885f3d52ff192b0499afe3c672
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Dec 20 09:47:44 2017 -0200
posix: Sync gnulib regex implementation
This patch syncs the regex implementation with gnulib (commit 0ee5212).
Only two changes in GLIBC regex testing are required:
1. posix/bug-regex28.c: as previously discussed [1] the change of
expected results on the pattern should be safe.
2. posix/PCRE.tests: the ERE (a)|\1 is malformed (in the sense that
the \1 doesn't mean anything) and although current GLIBC accepts
it has undefined behavior. This patch removes the specific test.
This sync contains some patches from thread 'Regex: Make libc regex
more usable outside GLIBC.' [2] which have been pushed upstream in
gnulib. This patches also fixes some regex issues (BZ #23233,
BZ #21163, BZ #18986, BZ #13762) and I did not add testcases for
both #23233 and #13762 because I couldn't think a simple way to
trigger the expected failure path to trigger them.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #23233]
[BZ #21163]
[BZ #18986]
[BZ #13762]
* posix/Makefile (tests): Add bug-regex37 and bug-regex38.
* posix/PCRE.tests: Remove invalid test.
* posix/bug-regex28.c: Fix expected values for used syntax.
* posix/bug-regex37.c: New file.
* posix/bug-regex38.c: Likewise.
* posix/regcomp.c: Sync with gnulib.
* posix/regex.c: Likewise.
* posix/regex.h: Likewise.
* posix/regex_internal.c: Likewise.
* posix/regex_internal.h: Likewise.
* posix/regexec.c: Likewise.
[1] https://sourceware.org/ml/libc-alpha/2017-12/msg00807.html
[2] https://sourceware.org/ml/libc-alpha/2017-12/msg00237.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +
posix/Makefile | 3 +-
posix/PCRE.tests | 13 -
posix/bug-regex28.c | 46 +-
wcsmbs/test-char-types.c => posix/bug-regex37.c | 11 +-
wcsmbs/test-char-types.c => posix/bug-regex38.c | 11 +-
posix/regcomp.c | 597 +++++++++------
posix/regex.c | 21 +-
posix/regex.h | 335 +++++----
posix/regex_internal.c | 295 ++++----
posix/regex_internal.h | 442 ++++++++----
posix/regexec.c | 936 ++++++++++++-----------
12 files changed, 1557 insertions(+), 1171 deletions(-)
copy wcsmbs/test-char-types.c => posix/bug-regex37.c (78%)
copy wcsmbs/test-char-types.c => posix/bug-regex38.c (78%)
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>From glibc-bugs-return-42450-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 04 12:56:32 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23233] Memory leak in build_charclass_op function in file posix/regcomp.c
Date: Wed, 04 Jul 2018 12:56:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672
commit eb04c21373e2a2885f3d52ff192b0499afe3c672
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Dec 20 09:47:44 2017 -0200
posix: Sync gnulib regex implementation
This patch syncs the regex implementation with gnulib (commit 0ee5212).
Only two changes in GLIBC regex testing are required:
1. posix/bug-regex28.c: as previously discussed [1] the change of
expected results on the pattern should be safe.
2. posix/PCRE.tests: the ERE (a)|\1 is malformed (in the sense that
the \1 doesn't mean anything) and although current GLIBC accepts
it has undefined behavior. This patch removes the specific test.
This sync contains some patches from thread 'Regex: Make libc regex
more usable outside GLIBC.' [2] which have been pushed upstream in
gnulib. This patches also fixes some regex issues (BZ #23233,
BZ #21163, BZ #18986, BZ #13762) and I did not add testcases for
both #23233 and #13762 because I couldn't think a simple way to
trigger the expected failure path to trigger them.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #23233]
[BZ #21163]
[BZ #18986]
[BZ #13762]
* posix/Makefile (tests): Add bug-regex37 and bug-regex38.
* posix/PCRE.tests: Remove invalid test.
* posix/bug-regex28.c: Fix expected values for used syntax.
* posix/bug-regex37.c: New file.
* posix/bug-regex38.c: Likewise.
* posix/regcomp.c: Sync with gnulib.
* posix/regex.c: Likewise.
* posix/regex.h: Likewise.
* posix/regex_internal.c: Likewise.
* posix/regex_internal.h: Likewise.
* posix/regexec.c: Likewise.
[1] https://sourceware.org/ml/libc-alpha/2017-12/msg00807.html
[2] https://sourceware.org/ml/libc-alpha/2017-12/msg00237.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +
posix/Makefile | 3 +-
posix/PCRE.tests | 13 -
posix/bug-regex28.c | 46 +-
wcsmbs/test-char-types.c => posix/bug-regex37.c | 11 +-
wcsmbs/test-char-types.c => posix/bug-regex38.c | 11 +-
posix/regcomp.c | 597 +++++++++------
posix/regex.c | 21 +-
posix/regex.h | 335 +++++----
posix/regex_internal.c | 295 ++++----
posix/regex_internal.h | 442 ++++++++----
posix/regexec.c | 936 ++++++++++++-----------
12 files changed, 1557 insertions(+), 1171 deletions(-)
copy wcsmbs/test-char-types.c => posix/bug-regex37.c (78%)
copy wcsmbs/test-char-types.c => posix/bug-regex38.c (78%)
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>From glibc-bugs-return-42452-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 04 12:56:34 2018
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Subject: [Bug regex/18986] ERE '0|()0|\1|0' causes regexec undefined behavior
Date: Wed, 04 Jul 2018 12:56:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672
commit eb04c21373e2a2885f3d52ff192b0499afe3c672
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Dec 20 09:47:44 2017 -0200
posix: Sync gnulib regex implementation
This patch syncs the regex implementation with gnulib (commit 0ee5212).
Only two changes in GLIBC regex testing are required:
1. posix/bug-regex28.c: as previously discussed [1] the change of
expected results on the pattern should be safe.
2. posix/PCRE.tests: the ERE (a)|\1 is malformed (in the sense that
the \1 doesn't mean anything) and although current GLIBC accepts
it has undefined behavior. This patch removes the specific test.
This sync contains some patches from thread 'Regex: Make libc regex
more usable outside GLIBC.' [2] which have been pushed upstream in
gnulib. This patches also fixes some regex issues (BZ #23233,
BZ #21163, BZ #18986, BZ #13762) and I did not add testcases for
both #23233 and #13762 because I couldn't think a simple way to
trigger the expected failure path to trigger them.
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #23233]
[BZ #21163]
[BZ #18986]
[BZ #13762]
* posix/Makefile (tests): Add bug-regex37 and bug-regex38.
* posix/PCRE.tests: Remove invalid test.
* posix/bug-regex28.c: Fix expected values for used syntax.
* posix/bug-regex37.c: New file.
* posix/bug-regex38.c: Likewise.
* posix/regcomp.c: Sync with gnulib.
* posix/regex.c: Likewise.
* posix/regex.h: Likewise.
* posix/regex_internal.c: Likewise.
* posix/regex_internal.h: Likewise.
* posix/regexec.c: Likewise.
[1] https://sourceware.org/ml/libc-alpha/2017-12/msg00807.html
[2] https://sourceware.org/ml/libc-alpha/2017-12/msg00237.html
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +
posix/Makefile | 3 +-
posix/PCRE.tests | 13 -
posix/bug-regex28.c | 46 +-
wcsmbs/test-char-types.c => posix/bug-regex37.c | 11 +-
wcsmbs/test-char-types.c => posix/bug-regex38.c | 11 +-
posix/regcomp.c | 597 +++++++++------
posix/regex.c | 21 +-
posix/regex.h | 335 +++++----
posix/regex_internal.c | 295 ++++----
posix/regex_internal.h | 442 ++++++++----
posix/regexec.c | 936 ++++++++++++-----------
12 files changed, 1557 insertions(+), 1171 deletions(-)
copy wcsmbs/test-char-types.c => posix/bug-regex37.c (78%)
copy wcsmbs/test-char-types.c => posix/bug-regex38.c (78%)
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>From glibc-bugs-return-42454-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 04 12:58:54 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23233] Memory leak in build_charclass_op function in file posix/regcomp.c
Date: Wed, 04 Jul 2018 12:58:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.28
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by eb04c21373e2a2885f3d52ff192b0499afe3c672 (2.28).
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Subject: [Bug regex/21163] Assertion failure in pop_fail_stack when executing a malformed regexp (CVE-2015-8985)
Date: Wed, 04 Jul 2018 12:59:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.28
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by eb04c21373e2a2885f3d52ff192b0499afe3c672 (2.28).
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/18986] ERE '0|()0|\1|0' causes regexec undefined behavior
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by eb04c21373e2a2885f3d52ff192b0499afe3c672 (2.28).
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Subject: [Bug regex/13762] re_search etc. should return -2 on memory exhaustion
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
Status|WAITING |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.28
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by eb04c21373e2a2885f3d52ff192b0499afe3c672 (2.28).
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>From glibc-bugs-return-42458-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 04 13:26:10 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 04 Jul 2018 13:26:00 -0000
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--- Comment #15 from Florian Weimer <fweimer at redhat dot com> ---
It is triggered by either this commit:
commit 9479b6d5e08eacce06c6ab60abc9b2f4eb8b71e4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Jan 30 17:59:00 2018 +0100
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Or this commit:
commit 1569e551aff088ed48e2694b07045256f3582271
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Jan 30 18:04:31 2018 +0100
Necessary changes after updating the iso14651_t1_common file
In any case, this data update appears to have exposed a pre-existing bug.
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/18441] Performance regression due to strcoll_l changes
Date: Wed, 04 Jul 2018 16:51:00 -0000
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--- Comment #12 from Patraphong Sukhonpitumart <tenniscp25 at gmail dot com> ---
(In reply to Florian Weimer from comment #11)
> (In reply to Patraphong Sukhonpitumart from comment #10)
> > I believe this regression still affects glibc 2.27, and as a result,
> > PostgreSQL 10.3 on Ubuntu 16.04. Since our project involves a lot of Thai
> > text sorts, might I ask whether and when the patch is ready to get merged,
> > of course, at your convenience?
>
> PostgreSQL 10 supports ICU for collations:
>
> https://www.postgresql.org/docs/10/static/sql-altercollation.html
>
> Maybe this is an alternative until this bug is fixed (which could turn out
> very difficult to implement)?
Works beautifully. Thanks!
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Subject: [Bug libc/23329] The __libc_freeres infrastructure is not properly run across DSO boundaries.
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #3)
> Fixed in 2.28, as far as I can see.
Correct. Thanks for the update.
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Subject: [Bug libc/16915] nl_langinfo doesn't work with static linking
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34fdb893e0cec55bdfc83ce56ab29b8f5eeaef9d
commit 34fdb893e0cec55bdfc83ce56ab29b8f5eeaef9d
Author: Carlos O'Donell <carlos@redhat.com>
Date: Mon May 14 08:25:46 2018 -0400
locale: XFAIL newlocale usage in static binary (Bug 23164)
There is a glibc optimization which allows for locale categories
to be removed during static compilation. There have been various
bugs for this support over the years, with bug 16915 being the
most recent. The solution there was to emit a reference to all the
categories to avoid any being removed. This fix, although it's in
the generic __nl_langinfo_l function, doesn't appear to be enough
to fix the case for a statically linked program that uses newlocale
and nl_langinfo_l. This commit doesn't fix the problem, but it does
add a XFAIL'd test case such that a fix can be applied against this
and the XFAIL removed. It's not entirely clear that the problem is
the same as that which was seen in bug 16915.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 29 +++++++++++++++
localedata/Makefile | 35 +++++++++++++++---
localedata/tst-langinfo-newlocale-static.c | 1 +
localedata/tst-langinfo-newlocale.c | 55 ++++++++++++++++++++++++++++
localedata/tst-langinfo-setlocale-static.c | 1 +
localedata/tst-langinfo-setlocale.c | 54 +++++++++++++++++++++++++++
localedata/tst-langinfo.c | 24 +-----------
localedata/tst-langinfo.sh | 4 ++
8 files changed, 176 insertions(+), 27 deletions(-)
create mode 100644 localedata/tst-langinfo-newlocale-static.c
create mode 100644 localedata/tst-langinfo-newlocale.c
create mode 100644 localedata/tst-langinfo-setlocale-static.c
create mode 100644 localedata/tst-langinfo-setlocale.c
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34fdb893e0cec55bdfc83ce56ab29b8f5eeaef9d
commit 34fdb893e0cec55bdfc83ce56ab29b8f5eeaef9d
Author: Carlos O'Donell <carlos@redhat.com>
Date: Mon May 14 08:25:46 2018 -0400
locale: XFAIL newlocale usage in static binary (Bug 23164)
There is a glibc optimization which allows for locale categories
to be removed during static compilation. There have been various
bugs for this support over the years, with bug 16915 being the
most recent. The solution there was to emit a reference to all the
categories to avoid any being removed. This fix, although it's in
the generic __nl_langinfo_l function, doesn't appear to be enough
to fix the case for a statically linked program that uses newlocale
and nl_langinfo_l. This commit doesn't fix the problem, but it does
add a XFAIL'd test case such that a fix can be applied against this
and the XFAIL removed. It's not entirely clear that the problem is
the same as that which was seen in bug 16915.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 29 +++++++++++++++
localedata/Makefile | 35 +++++++++++++++---
localedata/tst-langinfo-newlocale-static.c | 1 +
localedata/tst-langinfo-newlocale.c | 55 ++++++++++++++++++++++++++++
localedata/tst-langinfo-setlocale-static.c | 1 +
localedata/tst-langinfo-setlocale.c | 54 +++++++++++++++++++++++++++
localedata/tst-langinfo.c | 24 +-----------
localedata/tst-langinfo.sh | 4 ++
8 files changed, 176 insertions(+), 27 deletions(-)
create mode 100644 localedata/tst-langinfo-newlocale-static.c
create mode 100644 localedata/tst-langinfo-newlocale.c
create mode 100644 localedata/tst-langinfo-setlocale-static.c
create mode 100644 localedata/tst-langinfo-setlocale.c
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=85732
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Subject: [Bug libc/23323] [RFE] CSU startup hardening.
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CC| |mcermak at redhat dot com
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
Date: Thu, 05 Jul 2018 07:17:00 -0000
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escalade <trondah at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |trondah at gmail dot com
--- Comment #5 from escalade <trondah at gmail dot com> ---
Still seems to be an issue with 4.18-rc3?
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
Date: Thu, 05 Jul 2018 07:18:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to escalade from comment #5)
> Still seems to be an issue with 4.18-rc3?
Which error do you see? The one for struct timespec should be gone. There
might be a new problem with struct timeval, but we can't fix this on the glibc
side because there is no preprocessor conditional in <linux/time.h> yet.
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
Date: Thu, 05 Jul 2018 09:12:00 -0000
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--- Comment #7 from escalade <trondah at gmail dot com> ---
It's a new one indeed, redefinition of 'struct timeval' from
/usr/include/linux/time.h.
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
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--- Comment #8 from escalade <trondah at gmail dot com> ---
Forgot to mention, this occurs when compiling openssl 1.1.0h.
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Subject: [Bug libc/17662] please implement binding for the new renameat2 syscall
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6da5cb6a8e0e8a9ce92b7d951a254cf325248d7
commit d6da5cb6a8e0e8a9ce92b7d951a254cf325248d7
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jul 5 18:59:02 2018 +0200
Add renameat2 function [BZ #17662]
The implementation falls back to renameat if renameat2 is not available
in the kernel (or in the kernel headers) and the flags argument is zero.
Without kernel support, a non-zero argument returns EINVAL, not ENOSYS.
This mirrors what the kernel does for invalid renameat2 flags.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++
NEWS | 9 +
include/stdio.h | 3 +
libio/stdio.h | 12 ++
manual/filesys.texi | 1 +
stdio-common/Makefile | 3 +-
stdio-common/Versions | 3 +
stdio-common/renameat.c | 5 +-
stdio-common/renameat2.c | 30 +++
stdio-common/tst-renameat2.c | 204 ++++++++++++++++++++
sysdeps/mach/hurd/i386/libc.abilist | 1 +
sysdeps/mach/hurd/renameat.c | 4 +-
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/alpha/kernel-features.h | 5 +
sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arm/libc.abilist | 1 +
sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 1 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/kernel-features.h | 5 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 +
.../unix/sysv/linux/microblaze/kernel-features.h | 5 +
sysdeps/unix/sysv/linux/microblaze/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 +
.../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 1 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
.../sysv/linux/powerpc/powerpc64/libc-le.abilist | 1 +
.../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/renameat.c | 4 +-
sysdeps/unix/sysv/linux/renameat2.c | 44 +++++
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sh/kernel-features.h | 5 +
sysdeps/unix/sysv/linux/sh/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/kernel-features.h | 5 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
45 files changed, 400 insertions(+), 5 deletions(-)
create mode 100644 stdio-common/renameat2.c
create mode 100644 stdio-common/tst-renameat2.c
create mode 100644 sysdeps/unix/sysv/linux/renameat2.c
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Subject: [Bug libc/17662] please implement binding for the new renameat2 syscall
Date: Thu, 05 Jul 2018 17:02:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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Target Milestone|--- |2.28
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug dynamic-link/23307] Absolute symbols whose value is zero ignored in lookup
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 9449a295ad7e30f3a787421cb22aaa475f950549
Author: Maciej W. Rozycki <macro@mips.com>
Date: Thu Jul 5 18:06:43 2018 +0100
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Define a new ABSOLUTE ABI for static linker's use with EI_ABIVERSION
where correct absolute (SHN_ABS) symbol run-time load semantics is
required. This way it can be ensured at static link time that a program
or DSO will not suffer from previous semantics where absolute symbols
were relocated by the base address, or symbols whose `st_value' is zero
silently ignored leading to a confusing "undefined symbol" error message
at load time, and instead "ELF file ABI version invalid" is printed with
old dynamic loaders, making it clear that there is an ABI version
incompatibility.
[BZ #19818]
[BZ #23307]
* libc-abis (ABSOLUTE): New ABI.
* sysdeps/unix/sysv/linux/mips/libc-abis (ABSOLUTE): New ABI.
* NEWS: Mention the new ABI.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 7 +++++++
libc-abis | 2 ++
sysdeps/unix/sysv/linux/mips/libc-abis | 2 ++
4 files changed, 19 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-42472-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 05 17:08:37 2018
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Subject: [Bug dynamic-link/19818] Absolute (SHN_ABS) symbols incorrectly relocated by the base address
Date: Thu, 05 Jul 2018 17:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19818
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9449a295ad7e30f3a787421cb22aaa475f950549
commit 9449a295ad7e30f3a787421cb22aaa475f950549
Author: Maciej W. Rozycki <macro@mips.com>
Date: Thu Jul 5 18:06:43 2018 +0100
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Define a new ABSOLUTE ABI for static linker's use with EI_ABIVERSION
where correct absolute (SHN_ABS) symbol run-time load semantics is
required. This way it can be ensured at static link time that a program
or DSO will not suffer from previous semantics where absolute symbols
were relocated by the base address, or symbols whose `st_value' is zero
silently ignored leading to a confusing "undefined symbol" error message
at load time, and instead "ELF file ABI version invalid" is printed with
old dynamic loaders, making it clear that there is an ABI version
incompatibility.
[BZ #19818]
[BZ #23307]
* libc-abis (ABSOLUTE): New ABI.
* sysdeps/unix/sysv/linux/mips/libc-abis (ABSOLUTE): New ABI.
* NEWS: Mention the new ABI.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 7 +++++++
libc-abis | 2 ++
sysdeps/unix/sysv/linux/mips/libc-abis | 2 ++
4 files changed, 19 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-42473-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 05 17:14:23 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/21163] Assertion failure in pop_fail_stack when executing a malformed regexp (CVE-2015-8985)
Date: Thu, 05 Jul 2018 17:14:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed.
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>From glibc-bugs-return-42474-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 05 19:28:13 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23183] tst-robustpi4 test failure
Date: Thu, 05 Jul 2018 19:28:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Stefan Liebler from comment #2)
> This ESRCH is returned by the futex-syscall.
This is OK for non robust, but for robust only one answer is valid and it's
EOWNERDEAD. This is mandated by the robust attribute on the lock.
This looks like a kernel bug dealing with the interaction of a dying thread
that has a robust + PI lock.
Thoughts?
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>From glibc-bugs-return-42475-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 06 05:53:40 2018
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From: "timiriliyev at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Fri, 06 Jul 2018 05:53:00 -0000
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--- Comment #7 from Valery Timiriliyev <timiriliyev at gmail dot com> ---
Created attachment 11117
--> https://sourceware.org/bugzilla/attachment.cgi?id=11117&action=edit
New patch to add sah_RU locale
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>From glibc-bugs-return-42476-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 06 06:08:34 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Fri, 06 Jul 2018 06:08:00 -0000
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--- Comment #8 from Valery Timiriliyev <timiriliyev at gmail dot com> ---
So I updated the locale and fixed errors. It seems to be working now as it
should.
> % LANG=sah_RU date --date "2001-02-03 04:05:06"
> Ñб 2001 Ñ. олунньу 3 к. 04:05:06 (+09)
> % for WEEKDAY in Monday Tuesday Wednesday Thursday Friday Saturday Sunday; do; LANG=sah_RU date --date "$WEEKDAY" "+%A - %a"; done
> бÑнидиÑнньик - бн
> оптуорунньук - оп
> ÑÑÑ€ÑÐ´Ñ - ÑÑ€
> чÑппиÑÑ€ - чп
> бÑÑтинÑÑ - бт
> Ñубуота - Ñб
> баÑкыһыанньа - бÑ
> % for MONTH in January February March April May June July August September October November December; do; LANG=sah_RU date --date "$MONTH 1" "+%B - %b"; done
> тохÑунньу - тохÑ
> олунньу - олун
> кулун тутар - кул
> Ð¼ÑƒÑƒÑ ÑƒÑтар - мууÑ
> ыам ыйын - ыам
> бÑÑ Ñ‹Ð¹Ñ‹Ð½ - бÑÑ
> от ыйын - от
> атырдьах ыйын - атыр
> балаҕан ыйын - бал
> алтынньы - алт
> ÑÑтинньи - ÑÑÑ‚
> ахÑынньы - ахÑ
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Subject: [Bug nss/18991] nss_files skips large entry in database
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https://sourceware.org/bugzilla/show_bug.cgi?id=18991
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=916124ed841745b7a1e0fbc43f9909340b47d373
commit 916124ed841745b7a1e0fbc43f9909340b47d373
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jul 6 14:23:15 2018 +0200
nss_files: Fix re-reading of long lines [BZ #18991]
Use the new __libc_readline_unlocked function to pick up
reading at the same line in case the buffer needs to be enlarged.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f5e3f5d066dcffb80af48ae2cf35a01a85a8f10
commit 3f5e3f5d066dcffb80af48ae2cf35a01a85a8f10
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jul 6 16:53:48 2018 +0200
libio: Implement internal function __libc_readline_unlocked
This is a variant of fgets which fails with ERANGE if the
buffer is too small, and the buffer length is given as an
argument of type size_t.
This function will be useful for implementing NSS file reading
operations. Compared to a direct implementation using the public API,
it avoids an lseek system call in case the line terminator can be
found in the internal read buffer.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 30 ++++
include/stdio.h | 17 +++
libio/Makefile | 4 +-
libio/Versions | 4 +
libio/fseeko.c | 12 ++-
libio/fseeko64.c | 5 +-
libio/ftello.c | 8 +-
libio/ftello64.c | 5 +-
libio/readline.c | 170 +++++++++++++++++++++++
libio/tst-readline.c | 236 ++++++++++++++++++++++++++++++++
nss/Makefile | 2 +
nss/nss_files/files-XXX.c | 121 +++++++----------
nss/tst-nss-files-hosts-getent.c | 276 ++++++++++++++++++++++++++++++++++++++
13 files changed, 810 insertions(+), 80 deletions(-)
create mode 100644 libio/readline.c
create mode 100644 libio/tst-readline.c
create mode 100644 nss/tst-nss-files-hosts-getent.c
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>From glibc-bugs-return-42479-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 06 15:57:50 2018
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Subject: [Bug network/18007] nss state sharing causes application denial of service (CVE-2014-8121)
Date: Fri, 06 Jul 2018 15:57:00 -0000
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Bug 18007 depends on bug 18991, which changed state.
Bug 18991 Summary: nss_files skips large entry in database
https://sourceware.org/bugzilla/show_bug.cgi?id=18991
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
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Subject: [Bug nss/18991] nss_files skips large entry in database
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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Subject: [Bug localedata/22996] change LC_PAPER to en_US in es_BO local
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.27/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=718445e569ec5c5892bc7c5ff17f434cdc586dc8
commit 718445e569ec5c5892bc7c5ff17f434cdc586dc8
Author: Sylvain Lesage <severo@rednegra.net>
Date: Fri Jun 29 20:55:59 2018 +0200
es_BO locale: Change LC_PAPER to en_US (bug 22996).
[BZ #22996]
* localedata/locales/es_BO (LC_PAPER): Change to “copy "en_US"â€.
(cherry picked from commit cdb52c71821d8d7d814daf7d01fbd003daef9c22)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
localedata/locales/es_BO | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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Egor Kobylkin <ekobylkin at paypal dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #8618|test_translit_pangramms.txt |translit-test-input.txt
filename| |
Attachment #8618|test file |test file for
description| |https://sourceware.org/glib
| |c/wiki/Locales#Testing_Loca
| |les
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>From glibc-bugs-return-42482-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 09 08:56:07 2018
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Subject: [Bug nptl/18726] Futexes are broken on MIPS/n32
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Petr Malat <oss at malat dot biz> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |OBSOLETE
--- Comment #11 from Petr Malat <oss at malat dot biz> ---
Marking this as resolved, as all affected kernels are after their end of life.
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>From glibc-bugs-return-42483-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 09 10:39:12 2018
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Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1500128
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Mon, 09 Jul 2018 11:46:00 -0000
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--- Comment #16 from Florian Weimer <fweimer at redhat dot com> ---
I looked at this from another angle. After the update in bug 14095, the
following characters in the en_US.utf8 locale match [[=a=]]:
U+000041 [[A]]
U+000061 [[a]]
U+0000AA [[ª]]
U+000363 [[Í£]]
U+001D2C [[á´¬]]
U+001D43 [[ᵃ]]
U+002090 [[â‚]]
U+00249C [[⒜]]
U+0024B6 [[â’¶]]
U+0024D0 [[â“]]
U+00FF21 [[Ａ]]
U+00FF41 [[ï½]]
U+01D400 [[ð€]]
U+01D41A [[ðš]]
U+01D434 [[ð´]]
U+01D44E [[ð‘Ž]]
U+01D468 [[ð‘¨]]
U+01D482 [[ð’‚]]
U+01D49C [[ð’œ]]
U+01D4B6 [[ð’¶]]
U+01D4D0 [[ð“]]
U+01D4EA [[ð“ª]]
U+01D504 [[ð”„]]
U+01D51E [[ð”ž]]
U+01D538 [[ð”¸]]
U+01D552 [[ð•’]]
U+01D56C [[ð•¬]]
U+01D586 [[ð–†]]
U+01D5A0 [[ð– ]]
U+01D5BA [[ð–º]]
U+01D5D4 [[ð—”]]
U+01D5EE [[ð—®]]
U+01D608 [[ð˜ˆ]]
U+01D622 [[ð˜¢]]
U+01D63C [[ð˜¼]]
U+01D656 [[ð™–]]
U+01D670 [[ð™°]]
U+01D68A [[ðšŠ]]
U+01F110 [[ðŸ„]]
U+01F130 [[🄰]]
U+01F150 [[ðŸ…]]
U+01F170 [[🅰]]
Before, the list was:
U+000041 [[A]]
U+000061 [[a]]
U+0000AA [[ª]]
U+0000C0 [[À]]
U+0000C1 [[Ã]]
U+0000C2 [[Â]]
U+0000C3 [[Ã]]
U+0000C4 [[Ä]]
U+0000C5 [[Ã…]]
U+0000E0 [[Ã ]]
U+0000E1 [[á]]
U+0000E2 [[â]]
U+0000E3 [[ã]]
U+0000E4 [[ä]]
U+0000E5 [[Ã¥]]
U+000100 [[Ä€]]
U+000101 [[Ä]]
U+000102 [[Ä‚]]
U+000103 [[ă]]
U+000104 [[Ä„]]
U+000105 [[Ä…]]
U+0001CD [[Ç]]
U+0001CE [[ÇŽ]]
U+0001DE [[Çž]]
U+0001DF [[ÇŸ]]
U+0001E0 [[Ç ]]
U+0001E1 [[Ç¡]]
U+0001FA [[Ǻ]]
U+0001FB [[Ç»]]
U+000200 [[È€]]
U+000201 [[È]]
U+000202 [[È‚]]
U+000203 [[ȃ]]
U+000226 [[Ȧ]]
U+000227 [[ȧ]]
U+001E00 [[Ḁ]]
U+001E01 [[á¸]]
U+001E9A [[ẚ]]
U+001EA0 [[Ạ]]
U+001EA1 [[ạ]]
U+001EA2 [[Ả]]
U+001EA3 [[ả]]
U+001EA4 [[Ấ]]
U+001EA5 [[ấ]]
U+001EA6 [[Ầ]]
U+001EA7 [[ầ]]
U+001EA8 [[Ẩ]]
U+001EA9 [[ẩ]]
U+001EAA [[Ẫ]]
U+001EAB [[ẫ]]
U+001EAC [[Ậ]]
U+001EAD [[áº]]
U+001EAE [[Ắ]]
U+001EAF [[ắ]]
U+001EB0 [[Ằ]]
U+001EB1 [[ằ]]
U+001EB2 [[Ẳ]]
U+001EB3 [[ẳ]]
U+001EB4 [[Ẵ]]
U+001EB5 [[ẵ]]
U+001EB6 [[Ặ]]
U+001EB7 [[ặ]]
Conversely, the *new* list for [[=á=]] looks like this (the old list is the
same as for [[=a]]):
U+0000C0 [[À]]
U+0000C1 [[Ã]]
U+0000C2 [[Â]]
U+0000C3 [[Ã]]
U+0000C4 [[Ä]]
U+0000C5 [[Ã…]]
U+0000E0 [[Ã ]]
U+0000E1 [[á]]
U+0000E2 [[â]]
U+0000E3 [[ã]]
U+0000E4 [[ä]]
U+0000E5 [[Ã¥]]
U+000100 [[Ä€]]
U+000101 [[Ä]]
U+000102 [[Ä‚]]
U+000103 [[ă]]
U+000104 [[Ä„]]
U+000105 [[Ä…]]
U+0001CD [[Ç]]
U+0001CE [[ÇŽ]]
U+000200 [[È€]]
U+000201 [[È]]
U+000202 [[È‚]]
U+000203 [[ȃ]]
U+000226 [[Ȧ]]
U+000227 [[ȧ]]
U+001DF2 [[á·²]]
U+001E00 [[Ḁ]]
U+001E01 [[á¸]]
U+001EA0 [[Ạ]]
U+001EA1 [[ạ]]
U+001EA2 [[Ả]]
U+001EA3 [[ả]]
U+00212B [[â„«]]
U+00A79A [[êžš]]
U+00A79B [[êž›]]
I do not know which choice is more desirable. This no longer looks like an
algorithmic issue to me.
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Subject: [Bug regex/23036] regex equivalence class regression
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--- Comment #17 from Carlos O'Donell <carlos at redhat dot com> ---
In the localedata/locale/iso14651_t1_common, we have a primary weight symbol of
<S0061> which is setup to be the equivalance class (all same primary weight) of
the hex 61 ascii character 'a'.
There are 105 symbols with that primary weight, however, your list below is not
105 symbols.
For example "U+0000C0 [[À]]" has a primary weight of S0061:
<U00C0> <S0061>;"<BASE><GRAVE>";"<CAP><MIN>";<U00C0> % LATIN CAPITAL LETTER A
WITH GRAVE
And so do "U+000041 [[A]]" and "U+000061 [[a]]":
<U0061> <S0061>;<BASE>;<MIN>;<U0061> % LATIN SMALL LETTER A
<U0041> <S0061>;<BASE>;<CAP>;<U0041> % LATIN CAPITAL LETTER A
But they aren't in the same equivalence class according to the regexp testing
you did. This looks like an algorithmic issue to me. POSIX says that a letter
has the same equivalence class if their primary weights are the same. The same
primary weight should be the way in which we find equivalent symbols.
We define:
...
% First-level collating symbols
collating-symbol <S0009>..<S327F> % Alphabetics, syllabics, general symbols
...
% First-level weight assignments
<BEFORE-A>
<S0061> % LATIN SMALL LETTER A
<S1D00> % LATIN LETTER SMALL CAPITAL A
<S2C65> % LATIN SMALL LETTER A WITH STROKE
<S1D8F> % LATIN SMALL LETTER A WITH RETROFLEX HOOK
<S1D01> % LATIN LETTER SMALL CAPITAL AE
<S1D02> % LATIN SMALL LETTER TURNED AE
<SAB31> % LATIN SMALL LETTER A REVERSED-SCHWA
<S0250> % LATIN SMALL LETTER TURNED A
<S0251> % LATIN SMALL LETTER ALPHA
<SAB30> % LATIN SMALL LETTER BARRED ALPHA
<S1D90> % LATIN SMALL LETTER ALPHA WITH RETROFLEX HOOK
<S0252> % LATIN SMALL LETTER TURNED ALPHA
<SAB64> % LATIN SMALL LETTER INVERTED ALPHA
<AFTER-A>
...
<U0061> <S0061>;<BASE>;<MIN>;<U0061> % LATIN SMALL LETTER A
... 103 x S0061 symbols.
<U1DD3> <S0061>;"<BASE><VRNT1>";"<COMPAT><COMPAT>";<U1DD3> % COMBINING LATIN
SMALL LETTER FLATTENED OPEN A ABOVE
Then we define some digraphs with a's in them, and then we're mostly done with
a (baring some more trigraphs and digraphs).
So again I'm left wondering why our equivalence class code is not working?
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Subject: [Bug regex/23036] regex equivalence class regression
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #18 from Florian Weimer <fweimer at redhat dot com> ---
This change makes 'a' and 'á' part of the same equivalence class:
-<U00E1> <S0061>;"<BASE><AIGUT>";"<MIN><MIN>";<U00E1> % LATIN SMALL LETTER A
WITH ACUTE
+<U00E1> <S0061>;<BASE>;"<MIN><MIN>";<U00E1> % LATIN SMALL LETTER A WITH ACUTE
However, the primary weight is supposed to be <S0061> here, so this should not
matter.
Using <LOWLINE> or <FONTCAP> in place of <BASE> works as well. <MIN> too. The
last one that works is <D0733>. Starting with <D0734>, none seem to.
But if I delete this line:
-<D0733> % SYRIAC ZQAPHA ABOVE
<D0734> works again as a secondary weight (leading to an a/á equivalence).
So this looks like an algorithmic issue after all.
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>From glibc-bugs-return-42491-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 09 17:22:55 2018
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Subject: [Bug regex/23036] regex equivalence class regression
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--- Comment #19 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted:
https://sourceware.org/ml/libc-alpha/2018-07/msg00240.html
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>From glibc-bugs-return-42492-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 10 07:42:09 2018
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From: "stli at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23183] tst-robustpi4 test failure
Date: Tue, 10 Jul 2018 07:42:00 -0000
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--- Comment #4 from Stefan Liebler <stli at linux dot ibm.com> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to Stefan Liebler from comment #2)
> > This ESRCH is returned by the futex-syscall.
>
> This is OK for non robust, but for robust only one answer is valid and it's
> EOWNERDEAD. This is mandated by the robust attribute on the lock.
Is this documented anywhere?
Or was it an arrangement between kernel/glibc while adding robust mutexes?
>
> This looks like a kernel bug dealing with the interaction of a dying thread
> that has a robust + PI lock.
>
> Thoughts?
I've found the following kernel commits which obviously introduces ESRCH in
attach_to_pi_owner() and it seems as the kernel developers have knowledge about
this assertion/indefinitely-loop in glibc:
-"PATCH] pi-futex: robust-futex exit"
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e3f2ddeac718c768fdac4b7fe69d465172f788a8)
-"futex: futex_find_get_task remove credentails check"
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a0ea09ad5352efce8fe79ed853150449903b9f5):
"futex_lock_pi_atomic simply returns if it gets ESRCH. glibc code,
however, doesn't expect that robust lock returns with ESRCH because it
should get either success or owner died."
-"pi-futex: fix exit races and locking problems"
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=778e9a9c3e7193ea9f434f382947155ffb59c755):
"pi-futex: fix exit races and locking problems
...
3. results in self-inflicted deadlock inside glibc.
Sometimes futex_lock_pi returns -ESRCH, when it is not expected
and glibc enters to for(;;) sleep() to simulate deadlock. This problem
is quite obvious and I think the patch is right. Though it looks like
each "if" in futex_lock_pi() got some stupid special case "else if". :-)
"
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Tue, 10 Jul 2018 09:23:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23036
--- Comment #20 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 7b2f4cedf044ea83f53f6b43a5bf6871eb9ce969 (commit)
from 4fa34da6793c442255fc003cf659c85b197ab29a (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b2f4cedf044ea83f53f6b43a5bf6871eb9ce969
commit 7b2f4cedf044ea83f53f6b43a5bf6871eb9ce969
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jul 10 11:18:26 2018 +0200
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Each weight is prefixed by its length, and the length does not include
itself in the count. This can be seen clearly from the find_idx
function in string/strxfrm_l.c, for example. The old code behaved as if
the length itself counted, thus comparing an additional byte after the
weight, leading to spurious comparison failures and incorrect further
partitioning of character equivalence classes.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
posix/regexec.c | 43 ++++++++++++++++++++-----------------------
2 files changed, 27 insertions(+), 23 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23036] regex equivalence class regression
Date: Tue, 10 Jul 2018 09:25:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #21 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.28.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23183] tst-robustpi4 test failure
Date: Tue, 10 Jul 2018 13:47:00 -0000
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Stefan Liebler from comment #4)
> (In reply to Carlos O'Donell from comment #3)
> > (In reply to Stefan Liebler from comment #2)
> > > This ESRCH is returned by the futex-syscall.
> >
> > This is OK for non robust, but for robust only one answer is valid and it's
> > EOWNERDEAD. This is mandated by the robust attribute on the lock.
> Is this documented anywhere?
The canonical documentation is in the linux man pages project. This is where
Torvald Riegel, Thomas Gleixner, Michael Kerrisk, and others all put down the
exact details of the allowed return codes, and this in turn allowed glibc to
tighten the error codes accepted.
man man2/futex.2
~~~
ESRCH (FUTEX_LOCK_PI, FUTEX_TRYLOCK_PI, FUTEX_CMP_REQUEUE_PI) The thread
ID in the futex word at uaddr does not exist.
~~~
While it is true that for FUTEX_LOCK_PI there could be a ESRCH return, it is
not allowed for robust mutexes.
Consider the axioms:
* Thread A dies holding robust+pi lock.
* Thread B goes to recover lock but gets ESRCH instead 0.
Thread B can therefore never recover the lock. To recover the lock you must
acquire it correctly and without error e.g. ESRCH.
linux/Documentation/robust-futexes.txt
~~~
If a futex is found to be held at exit time, the kernel sets the
following bit of the futex word::
#define FUTEX_OWNER_DIED 0x40000000
and wakes up the next futex waiter (if any). User-space does the rest of
the cleanup.
~~~
I grant you that all that the kernel docs say is that FUTEX_OWNER_DIED is set,
but clearly if the syscall fails with ESRCH then it's unclear if we can rely on
the value of the futex.
I argue that in this case the kernel has a bug. The kernel should return 0 so
glibc knows it acquired the mutex, and can further check FUTEX_OWNER_DIED bit.
> Or was it an arrangement between kernel/glibc while adding robust mutexes?
You cannot inspect FUTEX_OWNER_DIED bits in the futex if the syscall returns
with an error.
My opinion continues to be that this is a bug in the kernel.
> >
> > This looks like a kernel bug dealing with the interaction of a dying thread
> > that has a robust + PI lock.
> >
> > Thoughts?
>
> I've found the following kernel commits which obviously introduces ESRCH in
> attach_to_pi_owner() and it seems as the kernel developers have knowledge
> about this assertion/indefinitely-loop in glibc
I think we need to raise this to the kernel developers.
Are you able to take this issue upstream to the kernel?
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aW5nIHNvZnR3YXJlIGZvciBHbWFpbC48L2E+DQo>From glibc-bugs-return-42497-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 10 15:51:54 2018
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From: "stli at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23183] tst-robustpi4 test failure
Date: Tue, 10 Jul 2018 15:51:00 -0000
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--- Comment #6 from Stefan Liebler <stli at linux dot ibm.com> ---
I've opened kernel "Bug 200467 - The syscall futex with operation FUTEX_LOCK_PI
is not allowed to return ESRCH for robust mutexes."
(https://bugzilla.kernel.org/show_bug.cgi?id=200467)
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>From glibc-bugs-return-42498-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 10 16:01:16 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Tue, 10 Jul 2018 16:01:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I think we should go back to 0123456789 if possible because I expect that this
is used a lot for data validation.
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>From glibc-bugs-return-42499-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 10 17:27:12 2018
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Tue, 10 Jul 2018 17:27:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
[[:digit:]] still produces 0-9, and [[:xdigit:]] gives the expected result as
well, so perhaps we should treat this as invalid.
It's not a POSIX conformance issue because ranges are undefined in non-C
locales.
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>From glibc-bugs-return-42500-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 10 18:16:08 2018
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #2)
> [[:digit:]] still produces 0-9, and [[:xdigit:]] gives the expected result
> as well, so perhaps we should treat this as invalid.
>
> It's not a POSIX conformance issue because ranges are undefined in non-C
> locales.
That's exactly what I was going to say.
Please see commit ac3a3b4b0d561d776b60317d6a926050c8541655 where we discuss
exactly this issue.
posix/tst-fnmatch.input:
+#
+# See:
+#
+# http://pubs.opengroup.org/onlinepubs/7908799/xbd/re.html
+#
+# > A range expression represents the set of collating elements that fall
+# > between two elements in the current collation sequence,
+# > inclusively. It is expressed as the starting point and the ending
+# > point separated by a hyphen (-).
+# >
+# > Range expressions must not be used in portable applications because
+# > their behaviour is dependent on the collating sequence. Ranges will be
+# > treated according to the current collating sequence, and include such
+# > characters that fall within the range based on that collating
+# > sequence, regardless of character values. This, however, means that
+# > the interpretation will differ depending on collating sequence. If,
+# > for instance, one collating sequence defines ä as a variant of a,
+# > while another defines it as a letter following z, then the expression
+# > [ä-z] is valid in the first language and invalid in the second.
+#
+# Therefore, using [a-z] does not make much sense except in the C/POSIX
locale.
+# The new iso14651_t1_common lists upper case and lower case Latin characters
+# in a different order than the old one which causes surprising results
+# for example in the de_DE locale: [a-z] now includes A because A comes
+# after a in iso14651_t1_common but does not include Z because that comes
+# after z in iso14651_t1_common.
Thus such innocuous regexp's as [0-9a-f] for hex are going to potentially
accept a whole range of characters that are entirely based on the locale and
may be generally unsafe for processing. I fully expect there may be security
issues in this area as more applications adopt the broader set of language data
available in Unicode upstream.
For now I think this is RESOLVED/WONTFIX until we have more real-world data on
these problems. As you say we can and should strongly recommend digit and
xdigit.
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From: "irv at princeton dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23395] New: fmod repeated subtraction algorithm introduces round off errors
Date: Tue, 10 Jul 2018 18:42:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23395
Bug ID: 23395
Summary: fmod repeated subtraction algorithm introduces round
off errors
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: irv at princeton dot com
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Created attachment 11120
--> https://sourceware.org/bugzilla/attachment.cgi?id=11120&action=edit
Source code that illustrates the problem.
Consider the attached source code that computes fmod(x, y) for the values
x=100, 10, ..., 1.0e-6, y = x/100. The result should always be close to 0. The
problem is that the fmod() implementation in sysdeps/ieee754/dbl-64/e_fmod.c
does repeated subtraction, which causes round off error to accumulate.
For the case where x > 0, y > 0, y < x, I show a different algorithm in
newfmod() that avoids that round off error.
This is on Intel chips, under Ubuntu (but it happens for any distribution on
Intel).
Since the implementation of fmod() is 25 years old, it ought to be fixed.
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Subject: [Bug regex/23036] regex equivalence class regression
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https://sourceware.org/bugzilla/show_bug.cgi?id=23036
Florian Weimer <fweimer at redhat dot com> changed:
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| |illa/show_bug.cgi?id=23396
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug regex/23396] New: Regex equivalence regression in single-byte locales
Date: Tue, 10 Jul 2018 19:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23396
Bug ID: 23396
Summary: Regex equivalence regression in single-byte locales
Product: glibc
Version: 2.28
Status: NEW
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Priority: P2
Component: regex
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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[[=a=]] used to match á.
$ printf '\xe1\n' | LC_ALL=de_DE grep [[=a=]] | iconv -f ISO-8859-1
á
$
But similar to bug 23036, it no longer does on the master branch.
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Subject: [Bug libc/23398] New: Deadlock in forked child calling system()
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https://sourceware.org/bugzilla/show_bug.cgi?id=23398
Bug ID: 23398
Summary: Deadlock in forked child calling system()
Product: glibc
Version: 2.20
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: stevecobb47 at yahoo dot com
CC: drepper.fsp at gmail dot com
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Hi Folks,
Test case is below. We are seeing a deadlock in system() when a child is
forked from a multi-threaded process.
The basic scenario is this: let us say we have some number of threads, any of
which may call system(). We have some additional threads, which may call
fork(),
and those forked children may themselves call system().
Referring to sysdeps/posix/system.c:
If a forked child is unlucky, it will inherit the DO_LOCK() lock in a held
state.
So when that forked child calls system, it hangs in the DO_LOCK() code.
#0 __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1 0x00007f15281b3574 in do_system (line=0x7ffd2f52cf30 "mkdir -p
/install/tmp/partprep")
at ../sysdeps/posix/system.c:68
(gdb) frame 1
(gdb) p lock
$8 = 2
(gdb) p sa_refcntr
$9 = 1
The value of sa_refcntr supports this - we have not yet incremented the value,
yet
it is 1. Since this is the forked child, there is only this single thread.
Here is a test case:
#include <assert.h>
#include <stdlib.h>
#include <signal.h>
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/wait.h>
#define NUM_SYSTEM_THREADS 30
#define NUM_FORKS 100
int stop = 0;
void *run_system(void *arg)
{
while (!stop) {
system("true");
}
return NULL;
}
int main()
{
pthread_t pid[NUM_SYSTEM_THREADS];
int count = 0;
int i;
for (i=0; i<NUM_SYSTEM_THREADS; i++) {
pthread_create(&pid[i], NULL, run_system, NULL);
}
while (count++ < NUM_FORKS) {
int pp[2];
pipe(pp);
pid_t p = fork();
if (p == 0) {
close(pp[0]);
system("true");
exit(0);
} else if (p > 0) {
close(pp[1]);
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(pp[0], &readfds);
select(pp[0]+1, &readfds, NULL, NULL, &(struct timeval){1, 0});
waitpid(p, NULL, WNOHANG);
if (kill(p, 0) == 0) {
printf("Process %d still alive (Try %d)\n", (int)p, count);
stop = 1;
for (i=0; i<NUM_SYSTEM_THREADS; i++) {
pthread_join(pid[i], NULL);
}
char cmd[256];
snprintf(cmd, sizeof(cmd), "pstack %d", (int)p);
system(cmd);
kill(p, SIGABRT);
exit(1);
}
close(pp[0]);
} else {
perror("fork");
exit(1);
}
}
printf("Success %d tries\n", count);
return 0;
}
////////////////////////////////
Process 14252 still alive (Try 1)
#0 0x00007ff541bd9eec in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007ff541b16091 in _L_lock_31 () from /lib64/libc.so.6
#2 0x00007ff541b15bb9 in do_system () from /lib64/libc.so.6
#3 0x00007ff541b16071 in system () from /lib64/libc.so.6
#4 0x0000000000400910 in main ()
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23398] Deadlock in forked child calling system()
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
The system function is not async-signal-safe (or even thread-safe), thus cannot
be called in the forked child.
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Subject: [Bug libc/23400] New: stdlib/test-bz22786.c creates temporary files in glibc source tree
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https://sourceware.org/bugzilla/show_bug.cgi?id=23400
Bug ID: 23400
Summary: stdlib/test-bz22786.c creates temporary files in glibc
source tree
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com, ppluzhnikov at google dot com
Target Milestone: ---
stdlib/test-bz22786.c has
static int
do_test (void)
{
const char dir[] = "bz22786";
const char lnk[] = "bz22786/symlink";
rmdir (dir);
if (mkdir (dir, 0755) != 0 && errno != EEXIST)
{
printf ("mkdir %s: %m\n", dir);
return EXIT_FAILURE;
}
if (symlink (".", lnk) != 0 && errno != EEXIST)
{
printf ("symlink (%s, %s): %m\n", dir, lnk);
return EXIT_FAILURE;
}
I got
[hjl@gnu-skx-1 glibc]$ chmod 555 stdlib
[hjl@gnu-skx-1 glibc]$ ls -ld stdlib
dr-xr-xr-x 4 hjl hjl 12288 Jul 11 05:09 stdlib
[hjl@gnu-skx-1 glibc]$
[hjl@gnu-skx-1 build-x86_64-linux]$ cat stdlib/test-bz22786.out
mkdir bz22786: Permission denied
[hjl@gnu-skx-1 build-x86_64-linux]$
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
Date: Wed, 11 Jul 2018 12:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23396
Mike FABIAN <maiku.fabian at gmail dot com> changed:
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>From glibc-bugs-return-42508-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 14:36:14 2018
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Subject: [Bug libc/23400] stdlib/test-bz22786.c creates temporary files in glibc source tree
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>From glibc-bugs-return-42509-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 14:44:10 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 11 Jul 2018 14:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23036
--- Comment #22 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.27/master has been updated
via 68c1bf80978594388157c62fd2edd467d4e8dfb2 (commit)
from 718445e569ec5c5892bc7c5ff17f434cdc586dc8 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=68c1bf80978594388157c62fd2edd467d4e8dfb2
commit 68c1bf80978594388157c62fd2edd467d4e8dfb2
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Jul 11 16:43:17 2018 +0200
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Each weight is prefixed by its length, and the length does not include
itself in the count. This can be seen clearly from the find_idx
function in string/strxfrm_l.c, for example. The old code behaved as if
the length itself counted, thus comparing an additional byte after the
weight, leading to spurious comparison failures and incorrect further
partitioning of character equivalence classes.
(cherry picked from commit 7b2f4cedf044ea83f53f6b43a5bf6871eb9ce969)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 1 +
posix/regexec.c | 43 ++++++++++++++++++++-----------------------
3 files changed, 28 insertions(+), 23 deletions(-)
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>From glibc-bugs-return-42510-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 15:40:09 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23402] New: td_ta_map_lwp2thr tries to call ps_get_thread_area on RISC-V
Date: Wed, 11 Jul 2018 15:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23402
Bug ID: 23402
Summary: td_ta_map_lwp2thr tries to call ps_get_thread_area on
RISC-V
Product: glibc
Version: 2.27
Status: NEW
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Target: riscv*-*-*
Since RISC-V stores the thread pointer in a register, there is no need for a
ps_get_thread_area function when libthread_db can just ask the debugger for the
register contents.
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>From glibc-bugs-return-42511-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 15:41:27 2018
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From: "stevecobb47 at yahoo dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23398] Deadlock in forked child calling system()
Date: Wed, 11 Jul 2018 15:41:00 -0000
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--- Comment #2 from Stephen Cobb <stevecobb47 at yahoo dot com> ---
I now see the citation in the Open Group spec:
Consequently, to avoid errors, the child process may only execute
async-signal-safe operations until such time as one of the exec functions is
called.
I was not aware of this before.
Thanks//Steve
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>From glibc-bugs-return-42512-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 15:49:35 2018
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From: "stli at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/23403] New: Wrong alignment of TLS variables
Date: Wed, 11 Jul 2018 15:49:00 -0000
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Bug ID: 23403
Summary: Wrong alignment of TLS variables
Product: glibc
Version: 2.28
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Assignee: unassigned at sourceware dot org
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Created attachment 11121
--> https://sourceware.org/bugzilla/attachment.cgi?id=11121&action=edit
Testcase shows the false alignment
The alignment of TLS variables is wrong if accessed from within a thread.
The attached testcase is testing different alignments from 0x10, 0x20, ...,
0x2000.
On e.g. s390x it fails starting with an alignment of 0x20.
Where it starts failing with an alignment of 0x200 on x86_64.
The fails occur on architectures where TLS_TCB_AT_TP is defined to 1.
The TLS variables are located in the .tdata section and it seems as the
variables would be correctly aligned if the section itself would be aligned.
The section is located relative to the thread-pointer.
But it is not aligned to __static_tls_align.
See nptl/allocatestack.c:
/* Place the thread descriptor at the end of the stack. */
#if TLS_TCB_AT_TP
pd = (struct pthread *) ((char *) mem + size) - 1;
Note:
On s390x, sizeof (struct pthread) is 0x6f0. Thus it starts failing with an
alignment of 0x20.
On x86_64, sizeof (struct pthread) is 0x900. Thus it starts failing with an
alignment of 0x200.
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>From glibc-bugs-return-42513-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 15:51:52 2018
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Subject: [Bug nptl/23403] Wrong alignment of TLS variables
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Stefan Liebler <stli at linux dot ibm.com> changed:
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| |stli at linux dot ibm.com
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>From glibc-bugs-return-42514-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 11 16:32:30 2018
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Subject: [Bug nptl/23403] Wrong alignment of TLS variables
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
It fails on sparc64 (and sparcv9) as well:
thread 0xffffffffffffffff: &tls_int_10: ptr=0xffff800100042000; val=0x0010 =>
OK
thread 0xffffffffffffffff: &tls_int_20: ptr=0xffff800100042020; val=0x0020 =>
OK
thread 0xffffffffffffffff: &tls_int_40: ptr=0xffff800100042040; val=0x0040 =>
OK
thread 0xffffffffffffffff: &tls_int_80: ptr=0xffff800100042080; val=0x0080 =>
OK
thread 0xffffffffffffffff: &tls_int_100: ptr=0xffff800100042100; val=0x0100 =>
OK
thread 0xffffffffffffffff: &tls_int_200: ptr=0xffff800100042200; val=0x0200 =>
OK
thread 0xffffffffffffffff: &tls_int_400: ptr=0xffff800100042400; val=0x0400 =>
OK
thread 0xffffffffffffffff: &tls_int_800: ptr=0xffff800100042800; val=0x0800 =>
OK
thread 0xffffffffffffffff: &tls_int_1000: ptr=0xffff800100043000; val=0x1000 =>
OK
thread 0xffffffffffffffff: &tls_int_2000: ptr=0xffff800100044000; val=0x2000 =>
OK
thread 0x0000000000000000: &tls_int_10: ptr=0xffff800100caf910; val=0x0010 =>
OK
thread 0x0000000000000000: &tls_int_20: ptr=0xffff800100caf930; val=0x0020 =>
FAIL
thread 0x0000000000000000: &tls_int_40: ptr=0xffff800100caf950; val=0x0040 =>
FAIL
thread 0x0000000000000000: &tls_int_80: ptr=0xffff800100caf990; val=0x0080 =>
FAIL
thread 0x0000000000000000: &tls_int_100: ptr=0xffff800100cafa10; val=0x0100 =>
FAIL
thread 0x0000000000000000: &tls_int_200: ptr=0xffff800100cafb10; val=0x0200 =>
FAIL
thread 0x0000000000000000: &tls_int_400: ptr=0xffff800100cafd10; val=0x0400 =>
FAIL
thread 0x0000000000000000: &tls_int_800: ptr=0xffff800100cb0110; val=0x0800 =>
FAIL
thread 0x0000000000000000: &tls_int_1000: ptr=0xffff800100cb0910; val=0x1000 =>
FAIL
thread 0x0000000000000000: &tls_int_2000: ptr=0xffff800100cb1910; val=0x2000 =>
FAIL
thread 0x0000000000000002: &tls_int_10: ptr=0xffff800101cb3910; val=0x0010 =>
OK
thread 0x0000000000000002: &tls_int_20: ptr=0xffff800101cb3930; val=0x0020 =>
FAIL
thread 0x0000000000000002: &tls_int_40: ptr=0xffff800101cb3950; val=0x0040 =>
FAIL
thread 0x0000000000000002: &tls_int_80: ptr=0xffff800101cb3990; val=0x0080 =>
FAIL
thread 0x0000000000000002: &tls_int_100: ptr=0xffff800101cb3a10; val=0x0100 =>
FAIL
thread 0x0000000000000002: &tls_int_200: ptr=0xffff800101cb3b10; val=0x0200 =>
FAIL
thread 0x0000000000000002: &tls_int_400: ptr=0xffff800101cb3d10; val=0x0400 =>
FAIL
thread 0x0000000000000002: &tls_int_800: ptr=0xffff800101cb4110; val=0x0800 =>
FAIL
thread 0x0000000000000002: &tls_int_1000: ptr=0xffff800101cb4910; val=0x1000 =>
FAIL
thread 0x0000000000000002: &tls_int_2000: ptr=0xffff800101cb5910; val=0x2000 =>
FAIL
thread 0x0000000000000001: &tls_int_10: ptr=0xffff8001014b1910; val=0x0010 =>
OK
thread 0x0000000000000001: &tls_int_20: ptr=0xffff8001014b1930; val=0x0020 =>
FAIL
thread 0x0000000000000001: &tls_int_40: ptr=0xffff8001014b1950; val=0x0040 =>
FAIL
thread 0x0000000000000001: &tls_int_80: ptr=0xffff8001014b1990; val=0x0080 =>
FAIL
thread 0x0000000000000001: &tls_int_100: ptr=0xffff8001014b1a10; val=0x0100 =>
FAIL
thread 0x0000000000000001: &tls_int_200: ptr=0xffff8001014b1b10; val=0x0200 =>
FAIL
thread 0x0000000000000001: &tls_int_400: ptr=0xffff8001014b1d10; val=0x0400 =>
FAIL
thread 0x0000000000000001: &tls_int_800: ptr=0xffff8001014b2110; val=0x0800 =>
FAIL
thread 0x0000000000000001: &tls_int_1000: ptr=0xffff8001014b2910; val=0x1000 =>
FAIL
thread 0x0000000000000001: &tls_int_2000: ptr=0xffff8001014b3910; val=0x2000 =>
FAIL
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Subject: [Bug math/23395] fmod repeated subtraction algorithm introduces round off errors
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
fmod is required by C standard to be always exact (check comments on this
stackoverflow [1] question for a more thoughtfully explanation) and afaik glibc
implementation does follow the standard in this regard.
And your example and your fmod implementation in fact shows non-exact results
for the operations you are testing. The example below (based on the one you
provided) shows by using a mpfr glibc does show exact results for the inputs:
---
$ cat test.c
#include <stdio.h>
#include <math.h>
#include <mpfr.h>
double
newfmod (double x, double y)
{
// Only for pos y, pos x, and y < x
double xx, result;
int n;
xx = x;
while (xx > 0)
{
xx -= y;
n++;
}
result = x - (n * y);
if (result < 0)
result += y;
return result;
}
double
fmod_mpfr (double x, double y)
{
mpfr_t mx;
mpfr_init2 (mx, 1024);
mpfr_set_d (mx, x, MPFR_RNDD);
mpfr_t my;
mpfr_init2 (my, 1024);
mpfr_set_d (my, y, MPFR_RNDD);
mpfr_t mr;
mpfr_init2 (mr, 1024);
mpfr_fmod (mr, mx, my, MPFR_RNDD);
double r = mpfr_get_d (mr, MPFR_RNDD);
mpfr_clear (mr);
mpfr_clear (mx);
mpfr_clear (my);
return r;
}
int
main ()
{
double f = 100.0;
double denom;
while (f > 1.0e-6)
{
denom = f / 100.0;
printf ("fmod(%8.4e, %8.4e) = %18.14e ieee %18.14e mpfr %18.14e\n", f,
denom,
fmod (f, denom), newfmod (f, denom), fmod_mpfr (f, denom));
f /= 10.0;
}
}
$ gcc -Wall -g test.c -o test -lmpfr -lm
$ ./test
fmod(1.0000e+02, 1.0000e+00) = 0.00000000000000e+00 ieee 0.00000000000000e+00
mpfr 0.00000000000000e+00
fmod(1.0000e+01, 1.0000e-01) = 9.99999999999995e-02 ieee -1.41553435639707e-15
mpfr 9.99999999999995e-02
fmod(1.0000e+00, 1.0000e-02) = 9.99999999999998e-03 ieee 0.00000000000000e+00
mpfr 9.99999999999998e-03
fmod(1.0000e-01, 1.0000e-03) = 3.46944695195361e-18 ieee 0.00000000000000e+00
mpfr 3.46944695195361e-18
fmod(1.0000e-02, 1.0000e-04) = 9.99999999999997e-05 ieee -1.12485975395371e-18
mpfr 9.99999999999997e-05
fmod(1.0000e-03, 1.0000e-05) = 9.99999999999994e-06 ieee 0.00000000000000e+00
mpfr 9.99999999999994e-06
fmod(1.0000e-04, 1.0000e-06) = 9.31736241979730e-21 ieee 2.75285707857648e-21
mpfr 9.31736241979730e-21
fmod(1.0000e-05, 1.0000e-07) = 1.00000000000000e-07 ieee 0.00000000000000e+00
mpfr 1.00000000000000e-07
fmod(1.0000e-06, 1.0000e-08) = 9.99999999999998e-09 ieee 0.00000000000000e+00
mpfr 9.99999999999998e-09
---
So I think, at least based on the testcase used, this bug is invalid. I will
close it as INVALID, please reopen if you do see fmod is actually returning
non-exact results.
[1]
https://stackoverflow.com/questions/20928253/is-fmod-exact-when-y-is-an-integer
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23395] fmod repeated subtraction algorithm introduces round off errors
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--- Comment #2 from Irv Lustig <irv at princeton dot com> ---
Created attachment 11122
--> https://sourceware.org/bugzilla/attachment.cgi?id=11122&action=edit
Updated example
This computes the fmod using the IEEE definition.
It also prints the intermediate result from mpfr.
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23395] fmod repeated subtraction algorithm introduces round off errors
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Irv Lustig from comment #2)
> Created attachment 11122 [details]
> Updated example
>
> This computes the fmod using the IEEE definition.
>
> It also prints the intermediate result from mpfr.
I am failing to see your point here, your new example shows in my environment:
$ ./test
mr is 0.0000000000000000000000000000000000000000e+00
fmod(1.0000e+02, 1.0000e+00) = 0.00000000000000e+00 new 0.00000000000000e+00
mpfr 0.00000000000000e+00
mr is 9.9999999999999450439602810547512490302324e-02
fmod(1.0000e+01, 1.0000e-01) = 9.99999999999995e-02 new 0.00000000000000e+00
mpfr 9.99999999999995e-02
mr is 9.9999999999999793914851053955317183863372e-03
fmod(1.0000e+00, 1.0000e-02) = 9.99999999999998e-03 new 0.00000000000000e+00
mpfr 9.99999999999998e-03
mr is 3.4694469519536141888238489627838134765625e-18
fmod(1.0000e-01, 1.0000e-03) = 3.46944695195361e-18 new 0.00000000000000e+00
mpfr 3.46944695195361e-18
mr is 9.9999999999999733741630481009821096449741e-05
fmod(1.0000e-02, 1.0000e-04) = 9.99999999999997e-05 new 0.00000000000000e+00
mpfr 9.99999999999997e-05
mr is 9.9999999999999398316583368306886825394031e-06
fmod(1.0000e-03, 1.0000e-05) = 9.99999999999994e-06 new 0.00000000000000e+00
mpfr 9.99999999999994e-06
mr is 9.3173624197973037297515475074760615825653e-21
fmod(1.0000e-04, 1.0000e-06) = 9.31736241979730e-21 new 1.35525271560688e-20
mpfr 9.31736241979730e-21
mr is 9.9999999999999955770141780043297474733777e-08
fmod(1.0000e-05, 1.0000e-07) = 1.00000000000000e-07 new 0.00000000000000e+00
mpfr 1.00000000000000e-07
mr is 9.9999999999999820112521321346758795822751e-09
fmod(1.0000e-06, 1.0000e-08) = 9.99999999999998e-09 new 0.00000000000000e+00
mpfr 9.99999999999998e-09
Which is not different than my previous one. So what makes you think glibc's
fmod is not precise regarding C standard?
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Subject: [Bug math/23395] fmod repeated subtraction algorithm introduces round off errors
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--- Comment #4 from Irv Lustig <irv at princeton dot com> ---
The reason that I think it is not exact is because the result of
fmod(x, x/100.0) should be close to 0.
For example, fmod(1.0, 0.01) in infinite precision should be zero, since 0.01
divides evenly into 1.0. You can argue that it is a precision problem, but
then the results should get closer to zero as you increase the precision. Yet,
glibc fmod(1.0, 0.01) is returning 9.99999999999998e-03, and so is mpfr, which
I also think is buggy.
The Stackoverflow reference states:
The IEEE Standard 754 defines the remainder operation x REM y as the
mathematical operation x - (round(x/y)*y).
The function in my latest attachment new_fmod() does that computation, and it
is almost always zero.
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Stephen Cobb from comment #2)
> I now see the citation in the Open Group spec:
> Consequently, to avoid errors, the child process may only execute
> async-signal-safe operations until such time as one of the exec functions is
> called.
> I was not aware of this before.
That is correct. At the time of the fork() call the other threads could be
doing anything, therefore you are only guaranteed that AS-safe functions will
operate correctly. All the non-AS-safe function could be holding locks. Note
that system() in glibc is MT-safe, but that doesn't solve your problem.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23395
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Irv Lustig from comment #4)
> The reason that I think it is not exact is because the result of
> fmod(x, x/100.0) should be close to 0.
>
> For example, fmod(1.0, 0.01) in infinite precision should be zero, since
> 0.01 divides evenly into 1.0. You can argue that it is a precision problem,
> but then the results should get closer to zero as you increase the
> precision. Yet, glibc fmod(1.0, 0.01) is returning 9.99999999999998e-03,
> and so is mpfr, which I also think is buggy.
I think you are still missing the point here. First, fmod is defined to
rounded toward zero to an integer, so you can't use round (which rounds away
from zero). Also, since you are using floating-point operations you can't rely
on system floating rounding mode, you need to actually set/restore it in your
function:
---
double rndfmod(double x, double y)
{
int r = fegetround ();
fesetround (FE_TOWARDZERO);
double result = x - trunc(x/y)*y;
fesetround (r);
return result;
}
---
With this code you get:
fmod(1.0000e+01, 1.0000e-01) = 9.99999999999995e-02
rndfmod 9.99999999999996e-02
mpfr 9.99999999999995e-02
And then you get precision issues by using a non-default rounding mode: the
operations requires to calculate 'x - trunc(x/y)*y' without intermediary
results to get the correct exact answer (similar to fma/sqrt operation). When
you use multiple FP operations you eventually get precision issues.
Also, you need to take care of subnormal numbers (since C standard says fmod
should be exact as well) and its handling on different architectures (for
instance some architecture flush them to zero).
Also stating MPFR is wrong for this operation is quite a bold statement (it is
used on constant folding for GCC for instance and other multiprecision floating
point operations).
>
> The Stackoverflow reference states:
>
> The IEEE Standard 754 defines the remainder operation x REM y as the
> mathematical operation x - (round(x/y)*y).
>
> The function in my latest attachment new_fmod() does that computation, and
> it is almost always zero.
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From: "irv at princeton dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23395] fmod repeated subtraction algorithm introduces round off errors
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https://sourceware.org/bugzilla/show_bug.cgi?id=23395
--- Comment #6 from Irv Lustig <irv at princeton dot com> ---
OK, I think I get why it's not a bug, but the explanation I have is a bit
different.
There isn't a bug in MPFR. My apologies for suggesting that. The issue with
the MPFR test is that when you convert the double to 1024 bits of precision,
you get noise after the 53 bits. That noise then contributes to getting the
same answer.
And so the real issue is that there is noise in the 0.01 representation as a
double, because 0.01 can't be represented exactly. If I use a %23.18e printing
format, then 0.01 is then printed as
1.000000000000000021e-02
If you then compute the values in floating point one bit less and one bit more
(I did this with some bit fiddling, corresponding to yl and yh in the
following), you then get:
yl fmod(1.0, 9.999999999999998473e-03) = 1.526556658859590243e-16
y fmod(1.0, 1.000000000000000021e-02) = 9.999999999999979391e-03
yh fmod(1.0, 1.000000000000000194e-02) = 9.999999999999807654e-03
y - yl = 1.734723475976807094e-18
yh - y = 1.734723475976807094e-18
So since 0.01 ended up getting parsed to the value "y" above rather than "yl",
it created the confusion.
Thank you so much for the discussion. Now I can explain it to the people who
brought it up to me. You can close the ticket.
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23395] fmod repeated subtraction algorithm introduces round off errors
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Irv Lustig from comment #6)
> OK, I think I get why it's not a bug, but the explanation I have is a bit
> different.
>
> There isn't a bug in MPFR. My apologies for suggesting that. The issue
> with the MPFR test is that when you convert the double to 1024 bits of
> precision, you get noise after the 53 bits. That noise then contributes to
> getting the same answer.
>
> And so the real issue is that there is noise in the 0.01 representation as a
> double, because 0.01 can't be represented exactly. If I use a %23.18e
> printing format, then 0.01 is then printed as
>
> 1.000000000000000021e-02
>
> If you then compute the values in floating point one bit less and one bit
> more (I did this with some bit fiddling, corresponding to yl and yh in the
> following), you then get:
>
> yl fmod(1.0, 9.999999999999998473e-03) = 1.526556658859590243e-16
> y fmod(1.0, 1.000000000000000021e-02) = 9.999999999999979391e-03
> yh fmod(1.0, 1.000000000000000194e-02) = 9.999999999999807654e-03
> y - yl = 1.734723475976807094e-18
> yh - y = 1.734723475976807094e-18
>
> So since 0.01 ended up getting parsed to the value "y" above rather than
> "yl", it created the confusion.
>
> Thank you so much for the discussion. Now I can explain it to the people
> who brought it up to me. You can close the ticket.
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Subject: [Bug localedata/22996] change LC_PAPER to en_US in es_BO locale
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|es_BO local |es_BO locale
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Subject: [Bug libc/23404] [mips] sys/ioctl.h must be included before sys/socket.h
Date: Thu, 12 Jul 2018 02:43:00 -0000
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--- Comment #1 from YunQiang Su <syq at debian dot org> ---
Here is a simple code example:
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <stdio.h>
Int main(){
printf(“%ld\nâ€, IOC_IN);
}
Gcc will complain that IOC_IN is not defined.
While if we swap
#include <sys/socket.h>
#include <sys/ioctl.h>
The problem is gone.
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Subject: [Bug libc/23404] New: [mips] sys/ioctl.h must be included before sys/socket.h
Date: Thu, 12 Jul 2018 02:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23404
Bug ID: 23404
Summary: [mips] sys/ioctl.h must be included before
sys/socket.h
Product: glibc
Version: unspecified
Status: NEW
Severity: critical
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: syq at debian dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
This problem is caused by:
https://sourceware.org/bugzilla/show_bug.cgi?id=21267
1. /usr/include/mips64el-linux-gnuabi64/sys/socket.h
Includes
bits/socket.h
2. In bits/socket.h, it detect IOC_IN is not defined, and define
__SYS_SOCKET_H_undef_IOC_IN
First, and then
#include <asm/socket.h>. // it will include asm/sockios.h, then
asm-generic/ioctl.h
Then, undef IOC_IN if __SYS_SOCKET_H_undef_IOC_IN
3. We include, sys/ioctl.h, since the FLAG of __ASM_IOCTL_H is defined in step
2,
So nearly nothing happens here
So, IOC_IN is not defined.
If we don’t include ioctl.h in asm/sockios.h, just like other platforms, it
works then.
It seems that IOC_IN etc are only defined in asm-generic/ioctl.h,
so why namespace conflict?
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>From glibc-bugs-return-42528-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 07:24:00 2018
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>From glibc-bugs-return-42529-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 10:16:20 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Thu, 12 Jul 2018 10:16:00 -0000
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--- Comment #9 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I must say that I'm impressed with the high quality of this patch. However,
here are some nitpicks:
+% ab_alt_mon - The alternative abbreviations for the months
+% - тохÑ, олун, кул, мууÑ, ыам, бÑÑ, от, атыр, бал, алт, ÑÑÑ‚, ахÑ
+ab_alt_mon "<U0442><U043E><U0445><U0441>";"<U043E><U043B><U0443><U043D>";/
+ "<U043A><U0443><U043B>";"<U043C><U0443><U0443><U0441>";/
+ "<U044B><U0430><U043C>";"<U0431><U044D><U0441>";/
+ "<U043E><U0442>";"<U0430><U0442><U044B><U0440>";/
+ "<U0431><U0430><U043B>";"<U0430><U043B><U0442>";/
+ "<U0441><U044D><U0442>";"<U0430><U0445><U0441>"
+
+% abmon and ab_alt_mon are actually identical.
There is no need to provide ab_alt_mon if it is identical to abmon. This is not
destructive but so far we have never added ab_alt_mon when it was identical to
abmon (and alt_mon when it was identical to mon). The point is that these
arrays are identical in majority of languages and we don't want to disturb
them.
> +mon "<U0442><U043E><U0445><U0441><U0443><U043D><U043D><U044C><U0443>";/
> + "<U043E><U043B><U0443><U043D><U043D><U044C><U0443>";/
> + "<U043A><U0443><U043B><U0443><U043D><U0020><U0442><U0443><U0442><U0430><U0440>";/
What about using a plain space (" ") instead of "<U0020>"?
> +LC_MESSAGES
> +% The affirmative response -
> +% '^[+1yYдДÑÐ]'
> +yesexpr "<U005E><U005B><U002B><U0031><U0079><U0059><U0434><U0414><U044D><U042D><U005D>"
> +
> +% The negative response -
> +% '^[-0nNнÐÑС]'
> +noexpr "<U005E><U005B><U002D><U0030><U006E><U004E><U043D><U041D><U0441><U0421><U005D>"
Could you please use ASCII characters wherever they are ASCII, that is "^"
instead of "<U005E>" and so on? So it should be:
+yesexpr "^[+1yY<U0434><U0414><U044D><U042D>]"
+noexpr "^[-0nN<U043D><U041D><U0441><U0421>]"
+LC_NAME
+copy "ru_RU"
+END LC_NAME
Good but it could also contain the Sakha translations for "Mr.", "Mrs.", and so
on. However, ru_RU has the same problem. On the other hand, I don't think this
information is actually used by any real application.
> +LC_ADDRESS
> +postal_fmt "<U0025><U0066><U0025><U004E><U0025><U0061><U0025><U004E>/
> +<U0025><U0064><U0025><U004E><U0025><U0062><U0025><U004E><U0025><U0073>/
> +<U0020><U0025><U0068><U0020><U0025><U0065><U0020><U0025><U0072><U0025>/
> +<U004E><U0025><U0025><U007A><U0020><U0025><U0054><U0025>/
> +<U004E><U0025><U0063><U0025><U004E>"
Same here, ASCII could be used.
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>From glibc-bugs-return-42530-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 12:01:47 2018
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Subject: [Bug libc/22951] libieee.a is used by gcc
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in gcc.
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>From glibc-bugs-return-42531-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 16:27:56 2018
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Subject: [Bug libc/23406] New: tst-copy_file_range should refuse to run without support for holes
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Bug ID: 23406
Summary: tst-copy_file_range should refuse to run without
support for holes
Product: glibc
Version: 2.28
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If the file system used for temporary files does not support holes,
tst-copy_file_range should refuse to run, instead of filling the file system.
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>From glibc-bugs-return-42532-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 19:46:21 2018
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Thu, 12 Jul 2018 19:46:00 -0000
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--- Comment #10 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
More updates:
1.
> +LC_ADDRESS
> +postal_fmt "<U0025><U0066><U0025><U004E><U0025><U0061><U0025><U004E>/
> +<U0025><U0064><U0025><U004E><U0025><U0062><U0025><U004E><U0025><U0073>/
> +<U0020><U0025><U0068><U0020><U0025><U0065><U0020><U0025><U0072><U0025>/
> +<U004E><U0025><U0025><U007A><U0020><U0025><U0054><U0025>/
Here is "<U0025><U0025>" which decodes to "%%" - double percent sign, I'm
pretty sure this is a typo.
2. I think we need an entry in NEWS, same as for Lower Sorbian:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=a1e0c5f The explanation
is: normally we don't mention explicitly newly added languages in NEWS (they
are added automatically but this time we mention the languages which
distinguish between mon and alt_mon. I think it is fair not to omit the
languages which are newly added and also distinguish between mon and alt_mon.
This is true for both Lower Sorbian and Yakut.
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>From glibc-bugs-return-42533-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 20:50:44 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Thu, 12 Jul 2018 20:50:00 -0000
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--- Comment #11 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
> +% FIXME: Not sure if all letters from Yakut alphabet are there.
> +LC_CTYPE
> +copy "ru_RU"
> +END LC_CTYPE
Yes, it contains all letters from Yakut alphabet. ru_RU contains “copy "i18n"â€
and i18n contains all letters from all alphabets (to a reasonable extent):
https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/locales/i18n_ctype;hb=HEAD
I'm removing this comment.
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>From glibc-bugs-return-42534-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 12 22:39:23 2018
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
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--- Comment #12 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
> +LC_COLLATE
> +copy "iso14651_t1"
> +
> +collating-symbol <YAK-GHE>
> +collating-symbol <YAK-ENG>
> +collating-symbol <YAK-OE>
> +collating-symbol <YAK-HE>
> +collating-symbol <YAK-UE>
> +
> +reorder-after <CYR-GHE>
> +<YAK-GHE>
> +reorder-after <CYR-EN>
> +<YAK-ENG>
> +reorder-after <CYR-O>
> +<YAK-OE>
> +reorder-after <CYR-ES>
> +<YAK-HE>
> +reorder-after <CYR-OU>
> +<YAK-UE>
This fails with these error messages:
> Generating locale sah_RU.UTF-8: this might take a while...
> ../localedata/locales/sah_RU:56: LC_COLLATE: cannot reorder after CYR-GHE: symbol not known
> ../localedata/locales/sah_RU:58: LC_COLLATE: cannot reorder after CYR-EN: symbol not known
> ../localedata/locales/sah_RU:60: LC_COLLATE: cannot reorder after CYR-O: symbol not known
> ../localedata/locales/sah_RU:62: LC_COLLATE: cannot reorder after CYR-ES: symbol not known
> ../localedata/locales/sah_RU:64: LC_COLLATE: cannot reorder after CYR-OU: symbol not known
I think that whole this section must be reworked. Also:
> +% Ҕ after Г
The default sort order is:
> "г" < " â·¢" < "Г" < "Ñ“" < "Ѓ" < "Ò‘" < "Ò" < "Ò“" < "Ò’" < "Ó»" < "Óº" < "Ò•" < "Ò”" < "Ó·" < "Ó¶" < "д" < ...
I think that this reorder will produce:
> "г" < "Ò•" < " â·¢" < "Г" < "Ò”" < "Ñ“" < "Ѓ" < "Ò‘" < "Ò" < "Ò“" < "Ò’" < "Ó»" < "Óº" < "Ó·" < "Ó¶" < "д" < ...
I think that instead you would like:
> "г" < " â·¢" < "Г" < "Ñ“" < "Ѓ" < "Ò‘" < "Ò" < "Ò“" < "Ò’" < "Ó»" < "Óº" < "Ó·" < "Ó¶" < "Ò•" < "Ò”" < "д" < ...
which means you must put "Cyrillic GHE with middle hook" after "Cyrillic GHE
with descender" rather than just after "Cyrillic GHE". Yes, this inconvenient.
The same comment about other reorders.
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>From glibc-bugs-return-42535-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 13 08:32:36 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Fri, 13 Jul 2018 08:32:00 -0000
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--- Comment #13 from Valery Timiriliyev <timiriliyev at gmail dot com> ---
> I must say that I'm impressed with the high quality of this patch.
I didn't expected reaction like this. Thanks.
> What about using a plain space (" ") instead of "<U0020>"?
Sure. I'll replace the Unicode codes for ASCII characters with the characters
themselves.
> Here is "<U0025><U0025>" which decodes to "%%" - double percent sign, I'm pretty sure this is a typo.
Because that field is identical to that of ru_RU, I'll just copy it from there.
> I think we need an entry in NEWS
I have to provide it?
> I think that whole this section must be reworked.
Yes, I need some time to sort this out.
In Yakut alphabet only one letter placed in non-standard position: "Òº". In all
other Cyrillic alphabet is usually comes after "Ð¥", but in our alphabet it's
after "С" (because actually Һ is allophone of С in Yakut language). I think
only that letter need to be included in LC_COLLATE, isn't it?
(Things are getting too complicated for my level of English, sorry if you can't
understand what I've written :)
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
Attachment #11086|0 |1
is obsolete| |
Attachment #11117|0 |1
is obsolete| |
--- Comment #14 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11126
--> https://sourceware.org/bugzilla/attachment.cgi?id=11126&action=edit
New locale: Yakut (Sakha) (version 3)
By this time I've reworked your patch. Please review.
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>From glibc-bugs-return-42538-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 13 14:47:54 2018
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Looks like the fastmap is computed incorrectly on master:
(gdb) print preg->fastmap[0x41]
$1 = 1 '\001'
(gdb) print preg->fastmap[0x61]
$2 = 1 '\001'
(gdb) print preg->fastmap[0xe1]
$3 = 0 '\000'
(gdb)
preg->fastmap[0xe1] used to be 1 here.
This is again triggered by the collation data update, and not code changes.
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
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>From glibc-bugs-return-42539-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 13 15:16:19 2018
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
On master, the higher parts of sbcset are miscomputed:
(gdb) print/x dfa->nodes[0].opr.sbcset[3]
$22 = 0x0
The working case has:
(gdb) print/x dfa->nodes[0].opr.sbcset[3]
$13 = 0x3f0000003f
Looks like build_equiv_class has exactly the same bug as bug 23036.
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Fri, 13 Jul 2018 15:32:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
I still think that it's very hard to make the case that the fact that [0-9]
matches ８ but not ９ is the right behavior.
It also seems that grep has a workaround for this and interprets the pattern
differently.
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted: https://sourceware.org/ml/libc-alpha/2018-07/msg00384.html
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>From glibc-bugs-return-42543-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 13 16:05:23 2018
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Fri, 13 Jul 2018 16:05:00 -0000
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
On the other hand, in the old tr_TR.ISO-8859-9 locale, [0-9] did match
0123456789¼½¾, and not just 0123456789. (de_DE.ISO-8859-1 had 0123456789
though, as another single-byte locale.)
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>From glibc-bugs-return-42544-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 13 16:50:36 2018
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From: "l.bigonville at edpnet dot be" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/23410] New: getpwent() can set errno to ENOENT which is not documented
Date: Fri, 13 Jul 2018 16:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23410
Bug ID: 23410
Summary: getpwent() can set errno to ENOENT which is not
documented
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nss
Assignee: unassigned at sourceware dot org
Reporter: l.bigonville at edpnet dot be
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Created attachment 11127
--> https://sourceware.org/bugzilla/attachment.cgi?id=11127&action=edit
Test case
Hi,
A recent discussion on the selinux mailing list showed that in some conditions
getpwent() can set errno to ENOENT.
But this is not documented anywhere.
The manpage for getpwent(3), shows the following possible errors:
EINTR A signal was caught; see signal(7).
EIO I/O error.
EMFILE The per-process limit on the number of open file descriptors has
been reached.
ENFILE The system-wide limit on the total number of open files has been
reached.
ENOMEM Insufficient memory to allocate passwd structure.
ERANGE Insufficient buffer space supplied.
I attached a simple test case I can reproduce this with (you need to have the
nss-systemd module loaded for the passwd database)
Apparently a similar bug report was opened in the past but was closed as
INVALID, see bug #1969
[0] https://marc.info/?l=selinux&m=153149269702678&w=2
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Fri, 13 Jul 2018 20:24:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22241
--- Comment #15 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Valery Timiriliyev from comment #13)
> [...]
> > Here is "<U0025><U0025>" which decodes to "%%" - double percent sign, I'm pretty sure this is a typo.
> Because that field is identical to that of ru_RU, I'll just copy it from
> there.
I saw several locales using "%%" and many more using exactly the same format
but with a single "%". I guess it is a typo copied several times.
I've already adjusted sah_RU to contain the same as ru_RU.
> > I think we need an entry in NEWS
> I have to provide it?
You or me or whoever. I've added this already in the attached patch.
> > I think that whole this section must be reworked.
> Yes, I need some time to sort this out.
>
> In Yakut alphabet only one letter placed in non-standard position: "Òº". In
> all other Cyrillic alphabet is usually comes after "Ð¥", but in our alphabet
> it's after "С" (because actually Һ is allophone of С in Yakut language). I
> think only that letter need to be included in LC_COLLATE, isn't it?
I've checked the Yakut alphabet in Wikipedia and I've added this change and
also some more:
* "Ҕ" after "Ӷ" and before "Д" (otherwise would be between "Ӻ" and "Ӷ"),
* "Дь" after "Ô‚" and before "Ò˜" (otherwise would be between "Дӹ" and "ДÒ"),
* "Ҥ" after "Ԋ" (otherwise would be between "Ԣ" and "Њ"),
* immediately followed by "ÐÑŒ" (which otherwise would be between "ÐÓ¹" and "ÐÒ")
and by "О",
* "Ó¨" is by default after "Ó¦" and before "Óª", I think it is fine and I leave it
unchanged,
* also "Ò®" is by default after "Ó®" and before "Ò°", also I think that no change
is needed.
I still can't understand what is the "<PCL>" symbol in your collating rules. If
you can't explain then I will remove it and use the symbols which I can
understand.
> (Things are getting too complicated for my level of English, sorry if you
> can't understand what I've written :)
I can't see any problem with your English but my English is also not perfect.
:-)
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Fri, 13 Jul 2018 21:08:00 -0000
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--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0a83bad2aae6807a108d5bb3eb3389060702265b
commit 0a83bad2aae6807a108d5bb3eb3389060702265b
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed Jul 11 23:25:15 2018 +0200
dsb_DE locale: Fix syntax error and add tests (bug 23208).
Fixed syntax error in the collation rules of Lower Sorbian language.
Collation test added in order to test the bugs like this early.
Reported-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
[BZ #23208]
* localedata/Makefile (test-input): Add dsb_DE.UTF-8.
(LOCALES): Likewise.
* localedata/dsb_DE.UTF-8.in: New file.
* localedata/locales/dsb_DE (LC_COLLATE): Fix syntax error.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++
localedata/Makefile | 2 +
.../{sv_SE.ISO-8859-1.in => dsb_DE.UTF-8.in} | 41 ++++++++++----------
localedata/locales/dsb_DE | 4 +-
4 files changed, 33 insertions(+), 22 deletions(-)
copy localedata/{sv_SE.ISO-8859-1.in => dsb_DE.UTF-8.in} (61%)
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>From glibc-bugs-return-42547-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jul 14 13:47:35 2018
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Subject: [Bug nptl/22563] __cancel_jmp_buf in __pthread_unwind_buf_t is incompatible with setjmp/longmp
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commit faaee1f07ed25b2779bfd935ffb29f431b80d6d3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Jul 14 05:59:29 2018 -0700
x86: Support shadow stack pointer in setjmp/longjmp
Save and restore shadow stack pointer in setjmp and longjmp to support
shadow stack in Intel CET. Use feature_1 in tcbhead_t to check if
shadow stack is enabled before saving and restoring shadow stack pointer.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* sysdeps/i386/__longjmp.S: Include <jmp_buf-ssp.h>.
(__longjmp): Restore shadow stack pointer if shadow stack is
enabled, SHADOW_STACK_POINTER_OFFSET is defined and __longjmp
isn't defined for __longjmp_cancel.
* sysdeps/i386/bsd-_setjmp.S: Include <jmp_buf-ssp.h>.
(_setjmp): Save shadow stack pointer if shadow stack is enabled
and SHADOW_STACK_POINTER_OFFSET is defined.
* sysdeps/i386/bsd-setjmp.S: Include <jmp_buf-ssp.h>.
(setjmp): Save shadow stack pointer if shadow stack is enabled
and SHADOW_STACK_POINTER_OFFSET is defined.
* sysdeps/i386/setjmp.S: Include <jmp_buf-ssp.h>.
(__sigsetjmp): Save shadow stack pointer if shadow stack is
enabled and SHADOW_STACK_POINTER_OFFSET is defined.
* sysdeps/unix/sysv/linux/i386/____longjmp_chk.S: Include
<jmp_buf-ssp.h>.
(____longjmp_chk): Restore shadow stack pointer if shadow stack
is enabled and SHADOW_STACK_POINTER_OFFSET is defined.
* sysdeps/unix/sysv/linux/x86/Makefile (gen-as-const-headers):
Remove jmp_buf-ssp.sym.
* sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S: Include
<jmp_buf-ssp.h>.
(____longjmp_chk): Restore shadow stack pointer if shadow stack
is enabled and SHADOW_STACK_POINTER_OFFSET is defined.
* sysdeps/x86/Makefile (gen-as-const-headers): Add
jmp_buf-ssp.sym.
* sysdeps/x86/jmp_buf-ssp.sym: New dummy file.
* sysdeps/x86_64/__longjmp.S: Include <jmp_buf-ssp.h>.
(__longjmp): Restore shadow stack pointer if shadow stack is
enabled, SHADOW_STACK_POINTER_OFFSET is defined and __longjmp
isn't defined for __longjmp_cancel.
* sysdeps/x86_64/setjmp.S: Include <jmp_buf-ssp.h>.
(__sigsetjmp): Save shadow stack pointer if shadow stack is
enabled and SHADOW_STACK_POINTER_OFFSET is defined.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ebff9c5cfae62e84dbd0456d564bd882818dc15f
commit ebff9c5cfae62e84dbd0456d564bd882818dc15f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Jul 14 05:53:05 2018 -0700
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
feature_1 has X86_FEATURE_1_IBT and X86_FEATURE_1_SHSTK bits for CET
run-time control.
CET_ENABLED, IBT_ENABLED and SHSTK_ENABLED are defined to 1 or 0 to
indicate that if CET, IBT and SHSTK are enabled.
<tls-setup.h> is added to set up thread-local data.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #22563]
* nptl/pthread_create.c: Include <tls-setup.h>.
(__pthread_create_2_1): Call tls_setup_tcbhead.
* sysdeps/generic/tls-setup.h: New file.
* sysdeps/x86/nptl/tls-setup.h: Likewise.
* sysdeps/i386/nptl/tcb-offsets.sym (FEATURE_1_OFFSET): New.
* sysdeps/x86_64/nptl/tcb-offsets.sym (FEATURE_1_OFFSET):
Likewise.
* sysdeps/i386/nptl/tls.h (tcbhead_t): Rename __glibc_reserved1
to feature_1.
* sysdeps/x86_64/nptl/tls.h (tcbhead_t): Likewise.
* sysdeps/x86/sysdep.h (X86_FEATURE_1_IBT): New.
(X86_FEATURE_1_SHSTK): Likewise.
(CET_ENABLED): Likewise.
(IBT_ENABLED): Likewise.
(SHSTK_ENABLED): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 56 +++++++++++++++++
nptl/pthread_create.c | 4 +
sysdeps/generic/tls-setup.h | 22 +++++++
sysdeps/i386/__longjmp.S | 73 ++++++++++++++++++++++
sysdeps/i386/bsd-_setjmp.S | 21 ++++++
sysdeps/i386/bsd-setjmp.S | 21 ++++++
sysdeps/i386/nptl/tcb-offsets.sym | 1 +
sysdeps/i386/nptl/tls.h | 5 +-
sysdeps/i386/setjmp.S | 21 ++++++
sysdeps/unix/sysv/linux/i386/____longjmp_chk.S | 37 +++++++++++
sysdeps/unix/sysv/linux/x86/Makefile | 1 -
sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S | 38 +++++++++++
sysdeps/x86/Makefile | 1 +
sysdeps/x86/jmp_buf-ssp.sym | 1 +
sysdeps/x86/nptl/tls-setup.h | 23 +++++++
sysdeps/x86/sysdep.h | 27 ++++++++
sysdeps/x86_64/__longjmp.S | 44 +++++++++++++
sysdeps/x86_64/nptl/tcb-offsets.sym | 1 +
sysdeps/x86_64/nptl/tls.h | 5 +-
sysdeps/x86_64/setjmp.S | 21 ++++++
20 files changed, 420 insertions(+), 3 deletions(-)
create mode 100644 sysdeps/generic/tls-setup.h
create mode 100644 sysdeps/x86/jmp_buf-ssp.sym
create mode 100644 sysdeps/x86/nptl/tls-setup.h
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>From glibc-bugs-return-42548-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jul 14 15:38:57 2018
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From: "nicolas.iooss_sourceware at m4x dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Sat, 14 Jul 2018 15:38:00 -0000
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Nicolas Iooss <nicolas.iooss_sourceware at m4x dot org> changed:
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----------------------------------------------------------------------------
CC| |nicolas.iooss_sourceware@m4
| |x.org
--- Comment #1 from Nicolas Iooss <nicolas.iooss_sourceware at m4x dot org> ---
Hi,
I have dug into systemd's code to understand where this ENOENT comes from. It
appears it is intentional: _nss_systemd_getpwent_r() sets errno to ENOENT if
there is no item to return
(https://github.com/systemd/systemd/blob/v239/src/nss-systemd/nss-systemd.c#L781):
if (!p) {
*errnop = ENOENT;
ret = NSS_STATUS_NOTFOUND;
goto finalize;
}
If returning with errno=ENOENT is acceptable, its semantic I agree its semantic
should appear in the manpage of getpwent(3). Otherwise, this should be reported
to systemd's developers.
Moreover "getent passwd" does not report any failure from getpwent (in
https://sourceware.org/git/?p=glibc.git;a=blob;f=nss/getent.c;hb=glibc-2.27#l583),
which makes this issue a little bit harder to debug than it should (it requires
a C program which checks errno after getting NULL from getpwent()). Would a
patch which displays the error from getpwent() in getent.c be accepted?
Thanks
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>From glibc-bugs-return-42549-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jul 14 16:32:43 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Sat, 14 Jul 2018 16:32:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
NSS_STATUS_NOTFOUND is not an error condition and the nss module must not
modify errno. Please report that to systemd.
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>From glibc-bugs-return-42550-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jul 15 02:29:35 2018
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From: "mishra.dhiraj95 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23362] memalign()
Date: Sun, 15 Jul 2018 02:29:00 -0000
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--- Comment #5 from Dhiraj <mishra.dhiraj95 at gmail dot com> ---
Hi Florian, any update on this, please let me know.
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>From glibc-bugs-return-42551-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jul 15 06:22:09 2018
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Subject: [Bug malloc/23362] memalign()
Date: Sun, 15 Jul 2018 06:22:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
It's a false positive from the checker.
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>From glibc-bugs-return-42552-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jul 15 08:40:48 2018
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From: "qboosh@pld-linux.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23414] New: tzset integer overlow with 32-bit time_t when using TZ without DST rules
Date: Sun, 15 Jul 2018 08:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23414
Bug ID: 23414
Summary: tzset integer overlow with 32-bit time_t when using TZ
without DST rules
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
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Assignee: unassigned at sourceware dot org
Reporter: qboosh@pld-linux.org
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Created attachment 11129
--> https://sourceware.org/bugzilla/attachment.cgi?id=11129&action=edit
Proof of concent fix for the bug.
Recently tzdata includes pre-1901 rules, which are fully stored in 64-bit part
of tz files, and the last one is stored under INT32_MIN transition in 32-bit
part.
tzset() code, when using with TZ without DST rules, (re)reads default tz file
(posixrules), applying offset change (as difference between TZ offset and tz
file offset) to all transitions, including the one having INT32_MIN value of
32-bit time_t.
If TZ is on the west of default tz, difference is negative and thus time_t
overflows, causes omitting of all transitions during time calculations.
Test case:
assume some system timezone, e.g. Europe/Warsaw. Then in the summer time:
TZ=GMT0BST date
should return BST time (and it happens on systems with 64-bit time_t), but on
systems with 32-bit time_t returns GMT time.
Problem doesn't occur in the opposite direction (system tz is Europe/London and
trying TZ=CET-1CEST) because difference is positive and there is no overflow.
I'm attaching proof-of-concent fix (probably not the final one).
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>From glibc-bugs-return-42553-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jul 15 10:01:44 2018
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From: "nicolas.iooss_sourceware at m4x dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Sun, 15 Jul 2018 10:01:00 -0000
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--- Comment #3 from Nicolas Iooss <nicolas.iooss_sourceware at m4x dot org> ---
Thanks for your feedback. I reported this issue to systemd:
https://github.com/systemd/systemd/issues/9585
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>From glibc-bugs-return-42554-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jul 15 12:53:11 2018
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Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Sun, 15 Jul 2018 12:53:00 -0000
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--- Comment #4 from Laurent Bigonville <bigon at bigon dot be> ---
Well reading:
https://www.gnu.org/software/libc/manual/html_node/NSS-Modules-Interface.html
Returning NSS_STATUS_NOTFOUND and setting errno to ENOENT seems valid for a NSS
module
OTOH, getpwent(3) setting ENOENT is NOT documented
So either the documentation needs to be fixed and/or clarified or getpwent()
should reset errno
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>From glibc-bugs-return-42555-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 16 02:56:50 2018
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From: "mh-sourceware at glandium dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/23416] New: Some allocation patterns lead to a runaway use of RSS
Date: Mon, 16 Jul 2018 02:56:00 -0000
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Bug ID: 23416
Summary: Some allocation patterns lead to a runaway use of RSS
Product: glibc
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This is the second time (previously: https://glandium.org/blog/?p=3698) that
glibc gets out of hand on memory usage, except this time my program was even
shot the OOM killer. It's apparently caused by the allocation patterns, with
small and increasingly large allocations being intertwined. Contrary to the
first time, this is now happening in a purely C process (no python involved),
and this time, I went ahead grabbing a full allocation trace using the stuff
described in
http://www.linuxplumbersconf.net/2016/ocw//system/presentations/3921/original/LPC%202016%20-%20linux%20and%20glibc_%20The%204.5TiB%20malloc%20API%20trace.pdf
. (Sadly two years later, this is still not in glibc master, and I had to find
the right 2-years-old branch).
The trace is 1.8G, and by the time I stopped the process, it had sucked 10GB
RSS, while the actual memory requested is clearly less than 1.5G. Running the
block_size_rss tool from https://pagure.io/glibc-malloc-trace-utils says 1.2G
is what the RSS should be. 10GB is clearly out of hand.
Compressed, the trace is much smaller (25M), but it's still too large for a
bugzilla attachment. It can be downloaded from
https://glandium.org/mtrace.out.21544.xz
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>From glibc-bugs-return-42556-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 16 10:06:02 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Mon, 16 Jul 2018 10:06:00 -0000
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is obsolete| |
--- Comment #16 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11130
--> https://sourceware.org/bugzilla/attachment.cgi?id=11130&action=edit
New locale: Yakut (Sakha) (version 4)
Hopefully this is the final version. Changes since the v3:
* Symbols like <YAK-GHE> converted to lowercase (<yak-ghe> and so on).
* "<PCL>" no longer used as this is probably outdated/old/unsupported etc.
* Missing symbols <d-soft-sign-digraph> and <n-soft-sign-digraph> added.
* Added a comment explaining how the Yakut alphabet looks + Wikipedia link.
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>From glibc-bugs-return-42557-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 16 14:43:06 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23416] Some allocation patterns lead to a runaway use of RSS
Date: Mon, 16 Jul 2018 14:43:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Mike Hommey from comment #0)
> This is the second time (previously: https://glandium.org/blog/?p=3698) that
> glibc gets out of hand on memory usage, except this time my program was even
> shot the OOM killer. It's apparently caused by the allocation patterns, with
> small and increasingly large allocations being intertwined. Contrary to the
> first time, this is now happening in a purely C process (no python
> involved), and this time, I went ahead grabbing a full allocation trace
> using the stuff described in
> http://www.linuxplumbersconf.net/2016/ocw//system/presentations/3921/
> original/LPC%202016%20-%20linux%20and%20glibc_%20The%204.
> 5TiB%20malloc%20API%20trace.pdf . (Sadly two years later, this is still not
> in glibc master, and I had to find the right 2-years-old branch).
>
> The trace is 1.8G, and by the time I stopped the process, it had sucked 10GB
> RSS, while the actual memory requested is clearly less than 1.5G. Running
> the block_size_rss tool from https://pagure.io/glibc-malloc-trace-utils says
> 1.2G is what the RSS should be. 10GB is clearly out of hand.
>
> Compressed, the trace is much smaller (25M), but it's still too large for a
> bugzilla attachment. It can be downloaded from
> https://glandium.org/mtrace.out.21544.xz
Thanks for the trace.
My apologies that the tracer is not yet integrated upstream. It's on our list
of things to do, since the tracer is very useful when looking at these kinds of
issues. More useful however would be a heap dumper to have a look at the state
of the heap, but that can be reconstructed from the full trace.
I have downloaded the full trace you provided, unpacked it and run it through
some of my comparison scripts (https://pagure.io/glibc-malloc-trace-utils).
There is a very large 1073741844 (1.07GiB) allocation at the 730th allocation,
this is only 1/10th the 10GB RSS you claim, so not a big measure, and it never
happens again. Only a one time allocation given the full set of data.
One problem I see:
00005428 free -------------- 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000
00005428 free -------------- 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000
00005428 free -------------- 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000
00005428 free -------------- 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000
00005428 free -------------- 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000
00005428 free -------------- 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000
If your application clearing a pointer before freeing it? And thus loosing the
memory? Just a quick grep and I see over 600,000 such records. We have not seen
any record errors where a free would fail to record the data it saw.
You have lots of free(NULL), is this normal?
At this point I would turn on all my instrumentation in the trace_run.c
simulator to do the following:
* Get a step-by-step tally of demand e.g. what the API requested.
* Get a step-by-step view of process RSS e.g. what the process was using.
If these two lines deviate then you have a problem in the allocator, otherwise
it's just increased RSS based on increased demand. Unfortunately this requires
my verbose trace patches for the simulator which I don't have readily around.
We do plan to come back to this infrastructure this year though, to start
looking at RSS issues. Keep in mind that our tcache work was performance
focused, and now we need to comeback and look at RSS.
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>From glibc-bugs-return-42558-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 16 15:44:28 2018
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Subject: [Bug malloc/23416] Some allocation patterns lead to a runaway use of RSS
Date: Mon, 16 Jul 2018 15:44:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Simulating your workload does not show 10GiB of RSS:
./scripts/trace_run ./out.wl
12,333,041,558,155 cycles
4,547,568,977 usec wall time
9,073,850,854 usec across 1 thread
2,559,840 Kb Max RSS (11,936 -> 2,571,776)
1,168,159 Kb Max Ideal RSS
sizeof ticks_t is 8
Avg malloc time: 371 in 10,205,872 calls
Avg calloc time: 747 in 977,810 calls
Avg realloc time: 4,604 in 1,398,387 calls
Avg free time: 223 in 16,333,401 calls
Total call time: 14,604,722,875 cycles
Looks like a Max RSS of 2.56GiB and an ideal RSS of 1.16GiB, so a 2x factor
increase in either fragmentation or mixed object lifetimes preventing freeing
top of heap.
I've never seen usage vary this much between a reported RSS usage and the
simulated RSS usage, particularly for a 1 thread trace.
Simulated using glibc 2.26. Perhaps 2.27 makes a difference, but I wouldn't
expect it.
Are you able to checkout origin/dj/malloc branch to get access to the simulator
in malloc/trace_run.c?
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Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Mon, 16 Jul 2018 16:25:00 -0000
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Laurent Bigonville from comment #4)
> Well reading:
>
> https://www.gnu.org/software/libc/manual/html_node/NSS-Modules-Interface.html
>
> Returning NSS_STATUS_NOTFOUND and setting errno to ENOENT seems valid for a
> NSS module
It's valid in the general sense, and the above documentation is a high-level
overview of the NSS interface. However, the above is not a specific discussion
of each interface being implemented. And the documentation calls that out:
~~~
These are proposed values. There can be other error codes and the described
error codes can have different meaning.
~~~
> OTOH, getpwent(3) setting ENOENT is NOT documented
Correct, because semantically it doesn't make sense. You either provide an
entry or if there are no more entries you return NULL.
The deeper question is: Is it valid for getpwent() to fail even if the
implementation of NSS service module fails?
I'd argue it doesn't make sense for the NSS service module to expose this error
because the caller can't recover from it except to abort.
> So either the documentation needs to be fixed and/or clarified or getpwent()
> should reset errno
Is the NSS_STATUS_NOTFOUND + ENOENT a *real* internal error condition for
systemd's NSS service module?
Is systemd trying to indicate that retrieving the next entry resulted in an
error that it could not recover from?
In the case of implementing getpwent it might be better for it to return NULL
and no error.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Mon, 16 Jul 2018 16:52:00 -0000
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--- Comment #17 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Rafal Luzynski from comment #16)
> Created attachment 11130 [details]
> New locale: Yakut (Sakha) (version 4)
>
> Hopefully this is the final version. Changes since the v3:
>
> * Symbols like <YAK-GHE> converted to lowercase (<yak-ghe> and so on).
> * "<PCL>" no longer used as this is probably outdated/old/unsupported etc.
> * Missing symbols <d-soft-sign-digraph> and <n-soft-sign-digraph> added.
> * Added a comment explaining how the Yakut alphabet looks + Wikipedia link.
Looks good.
It also compiles and installs without error.
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Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
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--- Comment #6 from Filipe Brandenburger <filbranden at gmail dot com> ---
Proposed patch to systemd here:
https://github.com/systemd/systemd/pull/9587/files
Your feedback would be welcome there, in particular there's a question of
whether to set *errnop = 0; explicitly or just leave it to whatever the caller
set it to... (Does that matter?)
Updating those docs would be appreciated, as they currently stand, it's unclear
whether (NSS_STATUS_NOTFOUND + ENOENT) is even valid at all and, if it is, in
which situations should it be used (over NSS_STATUS_NOTFOUND + 0 errno or
keeping errno untouched.)
Cheers,
Filipe
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Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Mon, 16 Jul 2018 17:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23410
--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Filipe Brandenburger from comment #6)
> Proposed patch to systemd here:
>
> https://github.com/systemd/systemd/pull/9587/files
>
> Your feedback would be welcome there, in particular there's a question of
> whether to set *errnop = 0; explicitly or just leave it to whatever the
> caller set it to... (Does that matter?)
It matters. Do not set it to zero. Please leave it if no real error is being
reported.
> Updating those docs would be appreciated, as they currently stand, it's
> unclear whether (NSS_STATUS_NOTFOUND + ENOENT) is even valid at all and, if
> it is, in which situations should it be used (over NSS_STATUS_NOTFOUND + 0
> errno or keeping errno untouched.)
Thanks, we will keep this under consideration when updating the manual.
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Mon, 16 Jul 2018 17:47:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://github.com/systemd/
| |systemd/issues/9585
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/23410] getpwent() can set errno to ENOENT which is not documented
Date: Mon, 16 Jul 2018 18:49:00 -0000
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--- Comment #8 from Andreas Schwab <schwab@linux-m68k.org> ---
No library function should ever set errno to zero.
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Subject: [Bug libc/21895] ppc64 setjmp/longjmp not fully interoperable with static dlopen
Date: Mon, 16 Jul 2018 19:11:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=52b2a80fae89d2a99ac3d1866a73c8bbf7b608ff
commit 52b2a80fae89d2a99ac3d1866a73c8bbf7b608ff
Author: Rogerio Alves <rcardoso@linux.vnet.ibm.com>
Date: Mon Jul 16 15:07:10 2018 -0300
powerpc64: Always restore TOC on longjmp [BZ #21895]
This patch changes longjmp to always restore the TOC pointer (r2 register)
to the caller frame on powerpc64 and powerpc64le. This is related to bug
21895 that reports a situation where you have a static longjmp to a
shared object file.
[BZ #21895]
* sysdeps/powerpc/powerpc64/__longjmp-common.S: Remove condition code
for
restoring r2 in longjmp.
* sysdeps/powerpc/powerpc64/Makefile: Added tst-setjmp-bug21895-static
to
test list.
Added rules to build test tst-setjmp-bug21895-static.
Added module setjmp-bug21895 and rules to build a shared object from
it.
* sysdeps/powerpc/powerpc64/setjmp-bug21895.c: New test file.
* sysdeps/powerpc/powerpc64/tst-setjmp-bug21895-static.c: New test
file.
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++
sysdeps/powerpc/powerpc64/Makefile | 12 ++++
sysdeps/powerpc/powerpc64/__longjmp-common.S | 5 +--
.../powerpc64/setjmp-bug21895.c} | 42 ++++++++++-----
.../powerpc64/tst-setjmp-bug21895-static.c} | 56 ++++++++++++--------
5 files changed, 88 insertions(+), 39 deletions(-)
copy sysdeps/{unix/sysv/linux/gentempfd.c =>
powerpc/powerpc64/setjmp-bug21895.c} (59%)
copy sysdeps/{unix/sysv/linux/mips/mips32/bug-getcontext-mips-gp.c =>
powerpc/powerpc64/tst-setjmp-bug21895-static.c} (51%)
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Subject: [Bug libc/21895] ppc64 setjmp/longjmp not fully interoperable with static dlopen
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |rcardoso at linux dot vnet.ibm.com
Target Milestone|--- |2.28
--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> ---
Fixed in glibc 2.28.
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Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
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Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 16 14:08:15 2018 -0700
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
Intel Control-flow Enforcement Technology (CET) instructions:
https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-en
forcement-technology-preview.pdf
includes Indirect Branch Tracking (IBT) and Shadow Stack (SHSTK).
GNU_PROPERTY_X86_FEATURE_1_IBT is added to GNU program property to
indicate that all executable sections are compatible with IBT when
ENDBR instruction starts each valid target where an indirect branch
instruction can land. Linker sets GNU_PROPERTY_X86_FEATURE_1_IBT on
output only if it is set on all relocatable inputs.
On an IBT capable processor, the following steps should be taken:
1. When loading an executable without an interpreter, enable IBT and
lock IBT if GNU_PROPERTY_X86_FEATURE_1_IBT is set on the executable.
2. When loading an executable with an interpreter, enable IBT if
GNU_PROPERTY_X86_FEATURE_1_IBT is set on the interpreter.
a. If GNU_PROPERTY_X86_FEATURE_1_IBT isn't set on the executable,
disable IBT.
b. Lock IBT.
3. If IBT is enabled, when loading a shared object without
GNU_PROPERTY_X86_FEATURE_1_IBT:
a. If legacy interwork is allowed, then mark all pages in executable
PT_LOAD segments in legacy code page bitmap. Failure of legacy code
page bitmap allocation causes an error.
b. If legacy interwork isn't allowed, it causes an error.
GNU_PROPERTY_X86_FEATURE_1_SHSTK is added to GNU program property to
indicate that all executable sections are compatible with SHSTK where
return address popped from shadow stack always matches return address
popped from normal stack. Linker sets GNU_PROPERTY_X86_FEATURE_1_SHSTK
on output only if it is set on all relocatable inputs.
On a SHSTK capable processor, the following steps should be taken:
1. When loading an executable without an interpreter, enable SHSTK if
GNU_PROPERTY_X86_FEATURE_1_SHSTK is set on the executable.
2. When loading an executable with an interpreter, enable SHSTK if
GNU_PROPERTY_X86_FEATURE_1_SHSTK is set on interpreter.
a. If GNU_PROPERTY_X86_FEATURE_1_SHSTK isn't set on the executable
or any shared objects loaded via the DT_NEEDED tag, disable SHSTK.
b. Otherwise lock SHSTK.
3. After SHSTK is enabled, it is an error to load a shared object
without GNU_PROPERTY_X86_FEATURE_1_SHSTK.
To enable CET support in glibc, --enable-cet is required to configure
glibc. When CET is enabled, both compiler and assembler must support
CET. Otherwise, it is a configure-time error.
To support CET run-time control,
1. _dl_x86_feature_1 is added to the writable ld.so namespace to indicate
if IBT or SHSTK are enabled at run-time. It should be initialized by
init_cpu_features.
2. For dynamic executables:
a. A l_cet field is added to struct link_map to indicate if IBT or
SHSTK is enabled in an ELF module. _dl_process_pt_note or
_rtld_process_pt_note is called to process PT_NOTE segment for
GNU program property and set l_cet.
b. _dl_open_check is added to check IBT and SHSTK compatibilty when
dlopening a shared object.
3. Replace i386 _dl_runtime_resolve and _dl_runtime_profile with
_dl_runtime_resolve_shstk and _dl_runtime_profile_shstk, respectively if
SHSTK is enabled.
CET run-time control can be changed via GLIBC_TUNABLES with
$ export GLIBC_TUNABLES=glibc.tune.x86_shstk=[permissive|on|off]
$ export GLIBC_TUNABLES=glibc.tune.x86_ibt=[permissive|on|off]
1. permissive: SHSTK is disabled when dlopening a legacy ELF module.
2. on: IBT or SHSTK are always enabled, regardless if there are IBT or
SHSTK bits in GNU program property.
3. off: IBT or SHSTK are always disabled, regardless if there are IBT or
SHSTK bits in GNU program property.
<cet.h> from CET-enabled GCC is automatically included by assembly codes
to add GNU_PROPERTY_X86_FEATURE_1_IBT and GNU_PROPERTY_X86_FEATURE_1_SHSTK
to GNU program property. _CET_ENDBR is added at the entrance of all
assembly functions whose address may be taken. _CET_NOTRACK is used to
insert NOTRACK prefix with indirect jump table to support IBT. It is
defined as notrack when _CET_NOTRACK is defined in <cet.h>.
[BZ #21598]
* configure.ac: Add --enable-cet.
* configure: Regenerated.
* elf/Makefille (all-built-dso): Add a comment.
* elf/dl-load.c (filebuf): Moved before "dynamic-link.h".
Include <dl-prop.h>.
(_dl_map_object_from_fd): Call _dl_process_pt_note on PT_NOTE
segment.
* elf/dl-open.c: Include <dl-prop.h>.
(dl_open_worker): Call _dl_open_check.
* elf/rtld.c: Include <dl-prop.h>.
(dl_main): Call _rtld_process_pt_note on PT_NOTE segment. Call
_rtld_main_check.
* sysdeps/generic/dl-prop.h: New file.
* sysdeps/i386/dl-cet.c: Likewise.
* sysdeps/unix/sysv/linux/x86/cpu-features.c: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet.h: Likewise.
* sysdeps/x86/cet-tunables.h: Likewise.
* sysdeps/x86/check-cet.awk: Likewise.
* sysdeps/x86/configure: Likewise.
* sysdeps/x86/configure.ac: Likewise.
* sysdeps/x86/dl-cet.c: Likewise.
* sysdeps/x86/dl-procruntime.c: Likewise.
* sysdeps/x86/dl-prop.h: Likewise.
* sysdeps/x86/libc-start.h: Likewise.
* sysdeps/x86/link_map.h: Likewise.
* sysdeps/i386/dl-trampoline.S (_dl_runtime_resolve): Add
_CET_ENDBR.
(_dl_runtime_profile): Likewise.
(_dl_runtime_resolve_shstk): New.
(_dl_runtime_profile_shstk): Likewise.
* sysdeps/linux/x86/Makefile (sysdep-dl-routines): Add dl-cet
if CET is enabled.
(CFLAGS-.o): Add -fcf-protection if CET is enabled.
(CFLAGS-.os): Likewise.
(CFLAGS-.op): Likewise.
(CFLAGS-.oS): Likewise.
(asm-CPPFLAGS): Add -fcf-protection -include cet.h if CET
is enabled.
(tests-special): Add $(objpfx)check-cet.out.
(cet-built-dso): New.
(+$(cet-built-dso:=.note)): Likewise.
(common-generated): Add $(cet-built-dso:$(common-objpfx)%=%.note).
($(objpfx)check-cet.out): New.
(generated): Add check-cet.out.
* sysdeps/x86/cpu-features.c: Include <dl-cet.h> and
<cet-tunables.h>.
(TUNABLE_CALLBACK (set_x86_ibt)): New prototype.
(TUNABLE_CALLBACK (set_x86_shstk)): Likewise.
(init_cpu_features): Call get_cet_status to check CET status
and update dl_x86_feature_1 with CET status. Call
TUNABLE_CALLBACK (set_x86_ibt) and TUNABLE_CALLBACK
(set_x86_shstk). Disable and lock CET in libc.a.
* sysdeps/x86/cpu-tunables.c: Include <cet-tunables.h>.
(TUNABLE_CALLBACK (set_x86_ibt)): New function.
(TUNABLE_CALLBACK (set_x86_shstk)): Likewise.
* sysdeps/x86/sysdep.h (_CET_NOTRACK): New.
(_CET_ENDBR): Define if not defined.
(ENTRY): Add _CET_ENDBR.
* sysdeps/x86/dl-tunables.list (glibc.tune): Add x86_ibt and
x86_shstk.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve): Add
_CET_ENDBR.
(_dl_runtime_profile): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 67 ++++++
configure | 11 +
configure.ac | 6 +
elf/Makefile | 2 +
elf/dl-load.c | 60 +++--
elf/dl-open.c | 3 +
elf/rtld.c | 9 +
sysdeps/generic/dl-prop.h | 54 +++++
sysdeps/i386/dl-cet.c | 67 ++++++
sysdeps/i386/dl-trampoline.S | 72 ++++++
sysdeps/unix/sysv/linux/x86/cpu-features.c | 38 +++
sysdeps/unix/sysv/linux/x86/dl-cet.h | 37 +++
sysdeps/x86/Makefile | 42 ++++
sysdeps/x86/cet-tunables.h | 29 +++
sysdeps/x86/check-cet.awk | 53 +++++
sysdeps/x86/configure | 69 ++++++
sysdeps/x86/configure.ac | 46 ++++
sysdeps/x86/cpu-features.c | 60 +++++
sysdeps/x86/cpu-tunables.c | 48 ++++
sysdeps/x86/dl-cet.c | 346 ++++++++++++++++++++++++++++
sysdeps/x86/dl-procruntime.c | 68 ++++++
sysdeps/x86/dl-prop.h | 153 ++++++++++++
sysdeps/x86/dl-tunables.list | 6 +
sysdeps/x86/libc-start.h | 25 ++
sysdeps/x86/link_map.h | 26 ++
sysdeps/x86/sysdep.h | 8 +
sysdeps/x86_64/dl-trampoline.h | 2 +
27 files changed, 1382 insertions(+), 25 deletions(-)
create mode 100644 sysdeps/generic/dl-prop.h
create mode 100644 sysdeps/i386/dl-cet.c
create mode 100644 sysdeps/unix/sysv/linux/x86/cpu-features.c
create mode 100644 sysdeps/unix/sysv/linux/x86/dl-cet.h
create mode 100644 sysdeps/x86/cet-tunables.h
create mode 100644 sysdeps/x86/check-cet.awk
create mode 100644 sysdeps/x86/configure
create mode 100644 sysdeps/x86/configure.ac
create mode 100644 sysdeps/x86/dl-cet.c
create mode 100644 sysdeps/x86/dl-procruntime.c
create mode 100644 sysdeps/x86/dl-prop.h
create mode 100644 sysdeps/x86/libc-start.h
create mode 100644 sysdeps/x86/link_map.h
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>From glibc-bugs-return-42568-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 17 00:25:11 2018
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From: "mh-sourceware at glandium dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23416] Some allocation patterns lead to a runaway use of RSS
Date: Tue, 17 Jul 2018 00:25:00 -0000
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--- Comment #3 from Mike Hommey <mh-sourceware at glandium dot org> ---
I got the trace with whatever glibc version the dj/malloc branch is based off,
and it did exhibit the runaway use of memory while getting the trace. It also
happens on 2.27 which is what I normally have on my system.
> There is a very large 1073741844 (1.07GiB) allocation at the 730th allocation,
> this is only 1/10th the 10GB RSS you claim, so not a big measure, and it never
> happens again. Only a one time allocation given the full set of data.
Yes, there is a ~1GB allocation at the beginning, that is mostly irrelevant. If
I configure things to avoid this allocation, the runaway use of memory still
happens. (plus, the allocated memory is actually never fully filled with this
workload, so it doesn't actually consume RSS)
> You have lots of free(NULL), is this normal?
Many things call free(ptr) without caring whether ptr is null or not. If I add
a breakpoint to free when $rdi is 0 and check the backtrace, I see it happening
in many places that are not directly my code, including qsort. I wouldn't worry
about that.
> Are you able to checkout origin/dj/malloc branch to get access to the
> simulator in malloc/trace_run.c?
I get a similar result to yours:
3,658,852,275,286 cycles
1,259,938,641 usec wall time
2,502,416,220 usec across 1 thread
2,559,672 Kb Max RSS (12,112 -> 2,571,784)
1,168,159 Kb Max Ideal RSS
sizeof ticks_t is 8
Avg malloc time: 584 in 10,205,872 calls
Avg calloc time: 1,168 in 977,810 calls
Avg realloc time: 21,037 in 1,398,387 calls
Avg free time: 285 in 16,333,401 calls
Total call time: 41,192,141,582 cycles
Am I right that this is using the system allocator? (it's also incredibly
slower than running the real workload)
An interesting thing, though, is that it seems to plateau at 2.5G for a long
time. It would be interesting to look at the real vs. ideal RSS graph.
This is consistently happening with the actual workload. Maybe you can try with
that and see for yourself?
Download this executable (and chmod +x it):
https://index.taskcluster.net/v1/task/github.glandium.git-cinnabar.helper.98119572ebc348624e1dda7b66212af58c502eac.linux.x86_64/artifacts/public/git-cinnabar-helper
Download the workload data: https://glandium.org/glibc23416.xz
Create an empty git repository, cd to it, then run xzcat <
/path/to/glibc23416.xz | /path/to/git-cinnabar-helper
You can reduce the size of the ~1G allocation by setting
GIT_CONFIG_PARAMETERS="'core.packedGitWindowSize=1m'" (where 1m means 1MB
instead of 1GB) in your environment.
If you don't want to run an executable downloaded from the internet, you can
build it by cloning https://github.com/glandium/git-cinnabar and running
`make`. A straight clone will get you the `release` branch, which shows the
runaway use of memory. The `master` branch has a workaround (normalized the
allocation sizes) so it won't happen there.
Note that if I run the above on a machine that has 2.24, it goes through and
ends with an RSS of 330MB!
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>From glibc-bugs-return-42569-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 17 00:29:17 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23416] Some allocation patterns lead to a runaway use of RSS
Date: Tue, 17 Jul 2018 00:29:00 -0000
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--- Comment #4 from Mike Hommey <mh-sourceware at glandium dot org> ---
Also, I just tested and the mentioned workload does reproduce for me when
running under the fedora workstation live cd from
https://download.fedoraproject.org/pub/fedora/linux/releases/28/Workstation/x86_64/iso/Fedora-Workstation-Live-x86_64-28-1.1.iso
(checked in case it only happened with the set of libraries that I have
installed)
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>From glibc-bugs-return-42570-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 17 07:20:45 2018
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From: "zlang at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] New: glibc cause GNU make can't deal with an old normal wildcard
Date: Tue, 17 Jul 2018 07:20:00 -0000
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Bug ID: 23420
Summary: glibc cause GNU make can't deal with an old normal
wildcard
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
Reporter: zlang at redhat dot com
Target Milestone: ---
xfstests suddently can't be installed by running make install on Fedora 28,
with make-4.2.1-6. It never happens before. And it's not a xfstests regression
issue. I reported to upstream GNU make too and they thought it's glibc problem.
More details please check:
https://marc.info/?l=fstests&m=153131978019489&w=2
https://marc.info/?l=fstests&m=153180707908075&w=2
The error output as below
# make
# make install
Building include
Building lib
Building ltp
Building src
Building log-writes
Building perf
Building aio-dio-regress
Building m4
Building common
Building tests
/usr/bin/gmake --no-print-directory Q=@ -C include install
gmake[1]: Nothing to be done for 'install'.
/usr/bin/gmake --no-print-directory Q=@ -C lib install
gmake[1]: Nothing to be done for 'install'.
/usr/bin/gmake --no-print-directory Q=@ -C ltp install
../install-sh -o root -g root -m 755 -d /var/lib/xfstests/ltp
/bin/sh ../libtool --quiet --mode=install ../install-sh -o root -g root -m 755
doio \
fsstress fsx growfiles iogen aio-stress /var/lib/xfstests/ltp
../install-sh -o root -g root -m 755 rwtest.sh /var/lib/xfstests/ltp
/usr/bin/gmake --no-print-directory Q=@ -C src install
Building log-writes
Building perf
Building aio-dio-regress
/usr/bin/gmake -C log-writes install
../../install-sh -o root -g root -m 755 -d /var/lib/xfstests/src/log-writes
../../install-sh -o root -g root -m 755 replay-log
/var/lib/xfstests/src/log-writes
/usr/bin/gmake -C perf install
../../install-sh -o root -g root -m 755 -d /var/lib/xfstests/src/perf
../../install-sh -o root -g root -m 755 ResultData.py fio-insert-and-compare.py
\
FioResultDecoder.py FioCompare.py generate-schema.py fio-results.sql \
/var/lib/xfstests/src/perf
/usr/bin/gmake -C aio-dio-regress install
../../install-sh -o root -g root -m 755 -d
/var/lib/xfstests/src/aio-dio-regress
../../install-sh -o root -g root -m 755 aio-dio-fcntl-race
aio-dio-subblock-eof-read \
aio-dio-append-write-read-race aio-dio-invalidate-readahead
aio-dio-hole-filling-race \
aio-free-ring-with-bogus-nr-pages aio-last-ref-held-by-io aio-dio-cycle-write \
aio-dio-extend-stat aio-io-setup-with-nonwritable-context-pointer \
aio-dio-invalidate-failure aiodio_sparse2 aiocp aio-dio-cow-race
aio-dio-eof-race \
/var/lib/xfstests/src/aio-dio-regress
../install-sh -o root -g root -m 755 -d /var/lib/xfstests/src
/bin/sh ../libtool --quiet --mode=install ../install-sh -o root -g root -m 755
\
dirstress fill fill2 getpagesize holes lstat64 nametest permname randholes
runas \
truncfile usemem mmapcat append_reader append_writer dirperf metaperf devzero
feature \
alloc fault fstest t_access_root godown resvtest writemod writev_on_pagefault \
makeextents itrash rename multi_open_unlink dmiperf unwritten_sync genhashnames
\
t_holes t_mmap_writev t_truncate_cmtime dirhash_collide t_rename_overwrite
holetest \
t_truncate_self t_mmap_dio af_unix t_mmap_stale_pmd t_mmap_cow_race
t_mmap_fallocate \
fsync-err t_mmap_write_ro t_ext4_dax_journal_corruption
t_ext4_dax_inline_corruption \
t_ofd_locks t_locks_execve xfsctl bstat t_mtab getdevicesize \
preallo_rw_pattern_reader preallo_rw_pattern_writer ftrunc trunc fs_perms testx
\
looptest locktest unwritten_mmap bulkstat_unlink_test
bulkstat_unlink_test_modified \
t_dir_offset t_futimens t_immutable stale_handle pwrite_mmap_blocked
t_dir_offset2 \
seek_sanity_test seek_copy_test t_readdir_1 t_readdir_2 fsync-tester nsexec
cloner \
renameat2 t_getcwd e4compact test-nextquota punch-alternating \
attr-list-by-handle-cursor-test listxattr dio-interleaved t_dir_type \
dio-invalidate-cache stat_test t_encrypted_d_revalidate attr_replace_test
swapon \
mkswap fiemap-tester t_stripealign open_by_handle dbtest fssum
\
/var/lib/xfstests/src
/bin/sh ../libtool --quiet --mode=install ../install-sh -o root -g root -m 755
\
dmerror fill2attr fill2fs fill2fs_check scaleread.sh \
/var/lib/xfstests/src
/bin/sh ../libtool --quiet --mode=install ../install-sh -o root -g root -m 644
\
dumpfile /var/lib/xfstests/src
/usr/bin/gmake --no-print-directory Q=@ -C m4 install
gmake[1]: Nothing to be done for 'install'.
/usr/bin/gmake --no-print-directory Q=@ -C common install
../install-sh -o root -g root -m 755 -d /var/lib/xfstests/common
../install-sh -o root -g root -m 644 * /var/lib/xfstests/common
/usr/bin/gmake --no-print-directory Q=@ -C tests install
/usr/bin/gmake --no-print-directory Q=@ -C /home/git/xfstests-dev/tests/
install
/usr/bin/gmake --no-print-directory Q=@ -C /home/git/xfstests-dev/tests/
install
/usr/bin/gmake --no-print-directory Q=@ -C /home/git/xfstests-dev/tests/
install
/usr/bin/gmake --no-print-directory Q=@ -C /home/git/xfstests-dev/tests/
install
/usr/bin/gmake --no-print-directory Q=@ -C /home/git/xfstests-dev/tests/
install
/usr/bin/gmake --no-print-directory Q=@ -C /home/git/xfstests-dev/tests/
install
......
......
(again and again and again ....)
......
......
Version-Release number of selected component (if applicable):
make-4.2.1-7.el8+7.x86_64
glibc-2.27-30.el8+7.x86_64
gcc-8.1.1-1.el8+7.x86_64
How reproducible:
100%
Steps to Reproduce:
1. git clone git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git, current HEAD
commit is 0804dc173618a1a1fa6d1b916b9b7dcfe72fe1f8.
2. install build dependences.
3. make
4. make install
Other reproducers please check:
https://marc.info/?l=fstests&m=153180707908075&w=2
Additional info:
Paul Smith <psmith@gnu.org> said:
If there's a change which introduces a problem with wildcard it is
more likely to be related to the GNU libc implementation of glob() or
fnmatch().
Compare with different make and glibc:
1) make-4.2.1-4 built by glibc-2.26 works fine with glibc-2.26-27
2) make-4.2.1-7 built by glibc-2.27 reproduce this bug with glibc-2.27-30.
3) make-4.2.1-4 built by glibc-2.26 reproduce this bug with glibc-2.27-30.
So glibc-2.26-27 works fine, but glibc-2.27-30 can reproduce this bug.
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Subject: [Bug localedata/23421] New: Strange collation rules for A and space with UTF-8 locale when other characters appended
Date: Tue, 17 Jul 2018 09:09:00 -0000
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Bug ID: 23421
Summary: Strange collation rules for A and space with UTF-8
locale when other characters appended
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: b.cama at kerlink dot fr
CC: libc-locales at sourceware dot org
Target Milestone: ---
Created attachment 11136
--> https://sourceware.org/bugzilla/attachment.cgi?id=11136&action=edit
A and space collation test case
Hi,
I stumbled against a strange string ordering bug, and managed to reduce it to
the attached test case. I *think* it comes from the locale data only, as I can
change the difference values slightly (but not the ordering) compared to an
older localedata, while still having the exact same behavior between 2.24 libc
and latest master (as of two days ago).
Here is the output with git master:
% ./testrun.sh ../collate_a_space
setlocale(LC_COLLATE,"C") = 361286057
strcoll("A", " ") = 33
strcoll("AB", " B") = 33
strcoll("B", " ") = 34
strcoll("BB", " B") = 34
setlocale(LC_COLLATE,"en_US.UTF-8") = 380448880
strcoll("A", " ") = 1
strcoll("AB", " B") = -13
strcoll("B", " ") = 1
strcoll("BB", " B") = 1
(the result is exactly the same when not using testrun.sh and only setting
LOCPATH)
And with my stock libc (2.24):
% ../collate_a_space
setlocale(LC_COLLATE,"C") = 1774630437
strcoll("A", " ") = 33
strcoll("AB", " B") = 33
strcoll("B", " ") = 34
strcoll("BB", " B") = 34
setlocale(LC_COLLATE,"en_US.UTF-8") = 1082470992
strcoll("A", " ") = 1
strcoll("AB", " B") = -1
strcoll("B", " ") = 1
strcoll("BB", " B") = 1
Note the second strcoll test, which gives an opposite result with an UTF-8
locale compared to raw C one. This only happen with letter “A†(or even “aâ€),
but no other one, hence the “B†test for comparison. And the ordering is
correct when comparing lone “A†(or any letter) and “ †(space), with nothing
appended.
Note that this is with 100% ASCII characters.
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Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
Date: Tue, 17 Jul 2018 09:23:00 -0000
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--- Comment #1 from Benjamin Cama <b.cama at kerlink dot fr> ---
Created attachment 11137
--> https://sourceware.org/bugzilla/attachment.cgi?id=11137&action=edit
Test case for collation between letter and space with later letter appended
OK, this is not actually about letter “A†only: I reproduce it with any
appended letter which is *after* the one we test against space; see attached
test case. The different ordering does not happen with a letter *prior* to it
appended (replace the “D†with “A†in my example).
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Subject: [Bug localedata/23422] New: oc_FR: More updates of locale data
Date: Tue, 17 Jul 2018 10:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23422
Bug ID: 23422
Summary: oc_FR: More updates of locale data
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
CC: libc-locales at sourceware dot org
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Created attachment 11138
--> https://sourceware.org/bugzilla/attachment.cgi?id=11138&action=edit
Updated oc_FR file
I have received this the other day. Source:
https://framagit.org/provaires/glibc/
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Subject: [Bug localedata/23422] oc_FR: More updates of locale data
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--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11139
--> https://sourceware.org/bugzilla/attachment.cgi?id=11139&action=edit
Diff between the original oc_FR and the attachment above
For the record, here is the original diff between the file oc_FR in the current
git master and the version received. This diff is already outdated because a
large part of it has been already attached to bug 23140 and partially we have
already agreed off-list to reject some of the changes.
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>From glibc-bugs-return-42575-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 17 10:35:40 2018
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Subject: [Bug localedata/23422] oc_FR: More updates of locale data
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----------------------------------------------------------------------------
Attachment #11139|0 |1
is obsolete| |
--- Comment #2 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11140
--> https://sourceware.org/bugzilla/attachment.cgi?id=11140&action=edit
Part of the patch which belongs to this bug report
Changes in this patch:
* We have agreed off-list to reject the changes where keeping “copy "fr_FR"â€
would be better: LC_MONETARY, LC_NUMERIC, LC_MEASUREMENT, LC_TELEPHONE.
* LC_IDENTIFICATION: keep all "category" entries in alphabetic order:
previously LC_NAME was omitted.
* New thing: LC_COLLATE uses “copy "iso14651_t1"â€. Indeed, the Occitan
alphabet is exactly the same as English and Latin and I guess this was the
reason why somebody has used “copy "en_DK"†here. However, I don't think that
"en_DK" should be used as a standard to copy from and also I think that "en_DK"
locale should be deprecated and removed in future. Therefore, it's better to
use "iso14651_t1" which is already a base for many (if not all) locales.
* Changes to LC_TIME section omitted here because they have already been posted
in bug 23140.
Otherwise I think that this patch should be squashed with the corresponding
patch in bug 23140 and committed together. Actually, sometimes it's hard to
distinguish which bug does a particular line belong to.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
Date: Tue, 17 Jul 2018 15:21:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |carlos at redhat dot com
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Benjamin Cama from comment #1)
> Created attachment 11137 [details]
> Test case for collation between letter and space with later letter appended
>
> OK, this is not actually about letter “A†only: I reproduce it with any
> appended letter which is *after* the one we test against space; see attached
> test case. The different ordering does not happen with a letter *prior* to
> it appended (replace the “D†with “A†in my example).
This is expected.
In en_US.UTF-8 the space (as are many special symbols) is ignored for
collation.
Therefore "A" < "B" < " B" < " B" < " B" etc.
Notes:
- On master for localedata/locales/iso14651_t1_common we have:
54827 order_start <SPECIAL>;forward;backward;forward;forward,position
55297 <U0020> IGNORE;IGNORE;IGNORE;<U0020> % SPACE
64325 order_start <LATIN>;forward;backward;forward;forward,position
64347 <U0041> <S0061>;<BASE>;<CAP>;<U0041> % LATIN CAPITAL LETTER A
- This follows the POSIX locale specification:
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html
"
~~~
The special keyword IGNORE as a weight shall indicate that when strings are
compared using the weights at the level where IGNORE is specified, the
collating element shall be ignored; that is, as if the string did not contain
the collating element. In regular expressions and pattern matching, all
characters that are subject to IGNORE in their primary weight form an
equivalence class.
~~~
- Sorting SPECIAL and LATIN have the same rules, and when you compare "A" to "
" it is ignored until the 4th weight where it's compared by Unicode code point,
and so results in "A" > " " (which is true.
- Sorting then "A" to " B" skips " " (because IGNORE) and compares "A" to "B"
which results in "A" < " B".
If you want full code point sorting you need to use C.UTF-8 which some
distributions provide, and which is still not available in upstream glibc
(though I'm working on it slowly).
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Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
Date: Tue, 17 Jul 2018 16:42:00 -0000
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--- Comment #3 from Benjamin Cama <b.cama at kerlink dot fr> ---
Thanks a lot for these explanations! I did not expect that.
My use case is just basic ASCII sorting of space separated values lines using
“sortâ€, which does not work with “default†locales and is quite a PITA. E.g
with my default UTF-8 locale (fr_FR.UTF-8):
% printf "a b\naa b\n" | sort
aa b
a b
% printf "a b\naa b\n" | LANG=C sort
a b
aa b
This is very weird.
Should I assume that “basic†sorting in Unix should always explicitly state to
use the C locale?
Thanks for your time.
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Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Benjamin Cama from comment #3)
> My use case is just basic ASCII sorting of space separated values lines
> using “sortâ€, which does not work with “default†locales and is quite a
> PITA. E.g with my default UTF-8 locale (fr_FR.UTF-8):
There is no such thing as "basic ASCII."
You have the C or POSIX locale.
You have a specific locale that you are using.
> % printf "a b\naa b\n" | sort
> aa b
> a b
This is correct.
> % printf "a b\naa b\n" | LANG=C sort
> a b
> aa b
>
> This is very weird.
Weird is relative ;-)
> Should I assume that “basic†sorting in Unix should always explicitly state
> to use the C locale?
Please don't call it "basic."
If you want sorting following the C/POSIX rules then use that locale.
If you want code-point sorting for UTF-8 use C.UTF-8 if your distribution
offers it.
We just fixed a related issue with ldconfig and sorting of *.conf:
~~~
commit 7d38eb38977980efe703eac93645b1af5a5f8a0c
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat Dec 16 12:25:41 2017 +0100
ldconfig: set LC_COLLATE to C [BZ #22505]
ldconfig supports `include' directives and use the glob function to
process them. The glob function sort entries according to the LC_COLLATE
category. When using a standard "include /etc/ld.so.conf.d/*.conf" entry
in /etc/ld.so.conf, the order therefore depends on the locale used to
run ldconfig. A few examples of locale specific order that might be
disturbing in that context compared to the C locale:
- The cs_CZ and sk_SK locales sort the digits after the letters.
- The et_EE locale sorts the 'z' between 's' and 't'.
This patch fixes that by setting LC_COLLATE to C in order to process
files in deterministic order, independently of the locale used to launch
ldconfig.
NOTE: This should NOT be backported to older release branches.
Changelog:
[BZ #22505]
* elf/ldconfig.c (main): Call setlocale to force LC_COLLATE to C.
~~~
Switching to the C/POSIX locale makes this deterministic.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] glibc cause GNU make can't deal with an old normal wildcard
Date: Tue, 17 Jul 2018 18:35:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I can't reproduce it with GNU Make 4.2.1 and master (ba2ea23), neither with
2.27 branch release (8623cfe). The only difference on the mentioned steps to
reproduce is I used a prefix path on configuration
(--prefix=/tmp/xfstests-dev/install).
We recently fixed some glob issues (BZ #1062, BZ #19971, BZ #866, BZ #1062, BZ
#22320, BZ #22332), which might be related and we also provide a compat symbol
with old semantic related to BZ #866. So I tried to remove the compat version
on master to check if it is something to glob implementation, but even forcing
GNU make to use the newer implementation I couldn't reproduce the issue.
I am not sure which commit id Fedora 28 has used on its deployment or any other
out of the, if any, it has used. However if you could which version Fedora 28
is using or if you could check if master branch does help you it would be
helpful.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] glibc cause GNU make can't deal with an old normal wildcard
Date: Tue, 17 Jul 2018 19:58:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
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| |/show_bug.cgi?id=1601681
Resolution|--- |INVALID
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #1)
> I can't reproduce it with GNU Make 4.2.1 and master (ba2ea23), neither with
> 2.27 branch release (8623cfe). The only difference on the mentioned steps to
> reproduce is I used a prefix path on configuration
> (--prefix=/tmp/xfstests-dev/install).
>
> We recently fixed some glob issues (BZ #1062, BZ #19971, BZ #866, BZ #1062,
> BZ #22320, BZ #22332), which might be related and we also provide a compat
> symbol with old semantic related to BZ #866. So I tried to remove the compat
> version on master to check if it is something to glob implementation, but
> even forcing GNU make to use the newer implementation I couldn't reproduce
> the issue.
>
> I am not sure which commit id Fedora 28 has used on its deployment or any
> other out of the, if any, it has used. However if you could which version
> Fedora 28 is using or if you could check if master branch does help you it
> would be helpful.
We sync from 2.27 here:
- Auto-sync with upstream branch release/2.27/master,
commit 56170e064e2b21ce204f0817733e92f1730541ea.
... with a few patches applied on top, but not much, since we've started to
backport and track release branches as actively as we can.
I haven't verified this issue yet either, but it seems oddly suspicious of an
interaction between the toolchain and make or some other component that is part
of the build.
So far nobody has actually debugged the root cause.
I'm marking this RESOLVED/INVALID for upstream glibc, given your quick testing.
Zorro, if you want to track this for Fedora 28, please open a Fedora bug
against glibc for the Fedora release you're having problems with.
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Subject: [Bug glob/23420] glibc cause GNU make can't deal with an old normal wildcard
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| |illa/show_bug.cgi?id=23393
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
This issue breaks makefiles which assume that the glob pattern [a-z]* does not
match the file name Makefile. See bug 23420.
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From: "arnd at arndb dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
Date: Tue, 17 Jul 2018 21:01:00 -0000
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Arnd Bergmann <arnd at arndb dot de> changed:
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----------------------------------------------------------------------------
CC| |arnd at arndb dot de
--- Comment #9 from Arnd Bergmann <arnd at arndb dot de> ---
I hope to soon eliminate the 'timeval' definition from the kernel header files
completely, because it conflicts with any libc-defined timeval structure that
uses 64-bit time_t. All uses of 'timeval' in other kernel headers will are
getting converted to some other structure like __kernel_old_timeval that
doesn't conflict. Unfortunately that won't help with glibc-2.28, but it can
clean this up for the next release if that requires new kernel headers for
64-bit time_t anyway.
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>From glibc-bugs-return-42587-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 17 22:01:50 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Tue, 17 Jul 2018 22:01:00 -0000
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--- Comment #43 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9145f0333d11683cb3d796246d1395c84b4a3516
commit 9145f0333d11683cb3d796246d1395c84b4a3516
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Jan 30 12:31:12 2018 +0100
os_RU: Add alternative month names (bug 23140).
[BZ #23140]
* localedata/locales/os_RU (mon): Rename to...
(alt_mon): This.
(mon): Import from CLDR (genitive case).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 6 +++---
localedata/locales/os_RU | 15 ++++++++++++++-
3 files changed, 24 insertions(+), 4 deletions(-)
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>From glibc-bugs-return-42588-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 18 03:34:59 2018
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From: "zlang at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] glibc cause GNU make can't deal with an old normal wildcard
Date: Wed, 18 Jul 2018 03:34:00 -0000
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--- Comment #3 from Zorro Lang <zlang at redhat dot com> ---
Thanks for you comfirming. But my colleague metioned that they've reported this
bug before:
https://sourceware.org/bugzilla/show_bug.cgi?id=23393
And the change looks like radical.
Before, we can do this:
# echo abcd > testfile
# echo ABCD >> testfile
# egrep [a-z] testfile
abcd
But now, it becomes this:
# echo abcd > testfile
# echo ABCD >> testfile
# egrep [a-z] testfile
abcd
ABCD
I'm afraid that it will break many customer's stripts and tools...
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>From glibc-bugs-return-42589-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 18 08:10:46 2018
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Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
Date: Wed, 18 Jul 2018 08:10:00 -0000
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Benjamin Cama <b.cama at kerlink dot fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|INVALID |---
--- Comment #5 from Benjamin Cama <b.cama at kerlink dot fr> ---
Thanks again for the clarification. I understand that this is a POSIX-defined
behavior, and I cannot do much about it. Thanks for the example describing a
situation where using the C locale is mandated.
I know I cannot convince anyone of changing POSIX, but one last *real* example
of “weird†sorting:
ENCR_DES DES_CBC
ENCR_DES_ECB DES_ECB
ENCR_DES_IV32 DES_IV32
ENCR_DES_IV64 DES_IV64
ENCR_IDEA IDEA_CBC
ENCR_NULL_AUTH_AES_GMAC NULL_AES_GMAC
ENCR_NULL NULL
The “usual†rule (as in “historically in Unix, which for a long time used the
C/POSIX locale everywhereâ€; I am speaking of 2000's kind of old, not the 80's,
but I am old enough to have lived the Unicode transition in Debian) of having
shorter strings sorted before longer ones does not stand (i.e. ENCR_NULL* looks
sorted the opposite way of ENCR_DES*). This is with tabs instead of spaces
(which have the same ordering rule, it seems), so it stands out more.
It is even stranger in this made up example:
% printf "A\tA\nAA\tA\nA\tD\n"|sort
A A
AA A
A D
I will from now on try not to forget setting the right collation rule before
expecting the C sorting behavior. I hope not to be bitten again.
Sorry for the noise and thanks again.
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>From glibc-bugs-return-42590-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 18 08:36:24 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
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Andreas Schwab <schwab@linux-m68k.org> changed:
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----------------------------------------------------------------------------
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--- Comment #6 from Andreas Schwab <schwab@linux-m68k.org> ---
Lexicographical sorting has been the default for a long time already. If you
want to sort a column then only sort _that_ column, not the whole line.
$ printf "A\tA\nAA\tA\nA\tD\n" | sort -k1,1
A A
A D
AA A
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>From glibc-bugs-return-42591-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 18 08:52:59 2018
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Subject: [Bug localedata/23421] Strange collation rules for A and space with UTF-8 locale when other characters appended
Date: Wed, 18 Jul 2018 08:52:00 -0000
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--- Comment #7 from Benjamin Cama <b.cama at kerlink dot fr> ---
> Lexicographical sorting has been the default for a long time already.
Well, this is not really about lexicographical ordering but rather the skipping
of spaces that looks strange.
> If you want to sort a column then only sort _that_ column, not the whole line.
>
> $ printf "A\tA\nAA\tA\nA\tD\n" | sort -k1,1
I knew the "-k 1" notation, but it “does not work†in my case, because it takes
into account the rest of the line; I did not know that you could specify an
ending like "-k 1,1", which works, thanks for the tip!
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>From glibc-bugs-return-42592-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 18 09:15:58 2018
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From: "egor at kobylkin dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Wed, 18 Jul 2018 09:15:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #8618|test_translit_pangramms.txt |translit-test-input.txt
filename| |
Attachment #8618|test file |test file for
description| |https://sourceware.org/glib
| |c/wiki/Locales#Testing_Loca
| |les
--- Comment #28 from Egor Kobylkin <egor at kobylkin dot com> ---
I have submitted the patch to libc-alpha and libc-locales
https://sourceware.org/ml/libc-alpha/2018-07/msg00503.html and was asked to
re-submit in August 2018 to be reviewed for 2.29 inclusion
https://sourceware.org/ml/libc-alpha/2018-07/msg00506.html
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>From glibc-bugs-return-42593-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 18 09:24:45 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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https://sourceware.org/bugzilla/show_bug.cgi?id=2872
--- Comment #29 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11144
--> https://sourceware.org/bugzilla/attachment.cgi?id=11144&action=edit
the patch adding translit_cyrillic and including it into locales
From this patch I have excluded locales that already mention cyrillic or
have a transliteration table for it:
az_AZ
iso14651_t1_common
ky_KG
mn_MN
sr_RS
tg_TJ
tk_TM
tt_RU
uk_UA
uz_UZ
uz_UZ@cyrillic
Their maintainers are requested to make an explicit decision on how and
whether at all to include this patch.
[BZ #2872]
* locales/translit_cyrillic: add Russian GOST 7.79-2000 transliteration
table from Cyrillic to Latin.
* locales/C: add include "translit_cyrillic";"" to LC_CTYPE translit
section.
* locales/aa_DJ: likewise
* locales/af_ZA: likewise
* locales/ak_GH: likewise
* locales/am_ET: likewise
* locales/ar_EG: likewise
* locales/be_BY: likewise
* locales/bem_ZM: likewise
* locales/ber_DZ: likewise
* locales/ber_MA: likewise
* locales/bg_BG: likewise
* locales/bi_VU: likewise
* locales/bn_BD: likewise
* locales/bo_CN: likewise
* locales/ca_ES: likewise
* locales/ce_RU: likewise
* locales/cs_CZ: likewise
* locales/cv_RU: likewise
* locales/cy_GB: likewise
* locales/da_DK: likewise
* locales/de_DE: likewise
* locales/dv_MV: likewise
* locales/dz_BT: likewise
* locales/el_GR: likewise
* locales/en_GB: likewise
* locales/en_NG: likewise
* locales/en_ZM: likewise
* locales/es_CU: likewise
* locales/es_ES: likewise
* locales/et_EE: likewise
* locales/fa_IR: likewise
* locales/ff_SN: likewise
* locales/fi_FI: likewise
* locales/fr_FR: likewise
* locales/ga_IE: likewise
* locales/gd_GB: likewise
* locales/gu_IN: likewise
* locales/gv_GB: likewise
* locales/he_IL: likewise
* locales/hi_IN: likewise
* locales/hif_FJ: likewise
* locales/hr_HR: likewise
* locales/ht_HT: likewise
* locales/hu_HU: likewise
* locales/hy_AM: likewise
* locales/id_ID: likewise
* locales/is_IS: likewise
* locales/it_IT: likewise
* locales/ja_JP: likewise
* locales/kk_KZ: likewise
* locales/km_KH: likewise
* locales/kn_IN: likewise
* locales/ko_KR: likewise
* locales/ks_IN: likewise
* locales/kw_GB: likewise
* locales/lb_LU: likewise
* locales/lg_UG: likewise
* locales/lij_IT: likewise
* locales/ln_CD: likewise
* locales/lo_LA: likewise
* locales/lt_LT: likewise
* locales/lv_LV: likewise
* locales/mg_MG: likewise
* locales/mhr_RU: likewise
* locales/mk_MK: likewise
* locales/ml_IN: likewise
* locales/ms_MY: likewise
* locales/mt_MT: likewise
* locales/nan_TW@latin: likewise
* locales/nb_NO: likewise
* locales/ne_NP: likewise
* locales/nhn_MX: likewise
* locales/niu_NU: likewise
* locales/niu_NZ: likewise
* locales/nl_NL: likewise
* locales/nr_ZA: likewise
* locales/oc_FR: likewise
* locales/om_KE: likewise
* locales/or_IN: likewise
* locales/os_RU: likewise
* locales/pa_IN: likewise
* locales/pa_PK: likewise
* locales/pl_PL: likewise
* locales/pt_PT: likewise
* locales/quz_PE: likewise
* locales/ro_RO: likewise
* locales/ru_RU: likewise
* locales/rw_RW: likewise
* locales/sa_IN: likewise
* locales/sd_IN: likewise
* locales/sd_IN@devanagari: likewise
* locales/sd_PK: likewise
* locales/se_NO: likewise
* locales/sgs_LT: likewise
* locales/si_LK: likewise
* locales/sk_SK: likewise
* locales/sl_SI: likewise
* locales/sm_WS: likewise
* locales/so_SO: likewise
* locales/sq_AL: likewise
* locales/ss_ZA: likewise
* locales/st_ZA: likewise
* locales/sv_SE: likewise
* locales/sw_KE: likewise
* locales/ta_IN: likewise
* locales/te_IN: likewise
* locales/th_TH: likewise
* locales/ti_ET: likewise
* locales/tn_ZA: likewise
* locales/to_TO: likewise
* locales/tpi_PG: likewise
* locales/tr_TR: likewise
* locales/ts_ZA: likewise
* locales/unm_US: likewise
* locales/ur_IN: likewise
* locales/ur_PK: likewise
* locales/ve_ZA: likewise
* locales/vi_VN: likewise
* locales/wa_BE: likewise
* locales/wo_SN: likewise
* locales/xh_ZA: likewise
* locales/yi_US: likewise
* locales/zh_CN: likewise
* locales/zu_ZA: likewise
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Wed, 18 Jul 2018 09:25:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
Target Milestone|--- |2.29
--- Comment #30 from Egor Kobylkin <egor at kobylkin dot com> ---
Setting the status to New again - there is now a patch to review.
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Wed, 18 Jul 2018 09:49:00 -0000
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--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 61c4aad70553200b3473d9e4e97c240b8ea6d336 (commit)
from be9ccd27c09ee76c5397125bfa0fefae318a2996 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=61c4aad70553200b3473d9e4e97c240b8ea6d336
commit 61c4aad70553200b3473d9e4e97c240b8ea6d336
Author: Valery Timiriliyev <timiriliyev@gmail.com>
Date: Fri Jul 6 14:46:13 2018 +0900
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
* localedata/Makefile (test-input): Add sah_RU.UTF-8.
(LOCALES): Likewise.
* localedata/SUPPORTED (sah_RU/UTF-8): New entry.
* localedata/locales/sah_RU: New file.
* localedata/sah_RU.UTF-8.in: New file.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 ++
NEWS | 4 +-
localedata/Makefile | 2 +
localedata/SUPPORTED | 1 +
localedata/locales/sah_RU | 290 ++++++++++++++++++++++++++++++++++++++++++++
localedata/sah_RU.UTF-8.in | 84 +++++++++++++
6 files changed, 388 insertions(+), 2 deletions(-)
create mode 100644 localedata/locales/sah_RU
create mode 100644 localedata/sah_RU.UTF-8.in
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Wed, 18 Jul 2018 09:57:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #19 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed by commit 61c4aad70553200b3473d9e4e97c240b8ea6d336. Thank you for your
contribution, Valery.
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Richard Jones <rjones at redhat dot com> changed:
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CC| |rjones at redhat dot com
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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CC| |maiku.fabian at gmail dot com
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #6)
> This issue breaks makefiles which assume that the glob pattern [a-z]* does
> not match the file name Makefile. See bug 23420.
Is the solution to rewrite using [:lower:]?
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Wed, 18 Jul 2018 13:20:00 -0000
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--- Comment #8 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Florian Weimer from comment #4)
> I still think that it's very hard to make the case that the fact that [0-9]
> matches ８ but not ９ is the right behavior.
Doesn’t your first comment show that 9 is included in the match?
expected: "0123456789"
actual: "0123456789²³¹¼ ... and lots of other stuff but 9 was there ...
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Wed, 18 Jul 2018 13:31:00 -0000
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--- Comment #9 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Mike FABIAN from comment #8)
> (In reply to Florian Weimer from comment #4)
> > I still think that it's very hard to make the case that the fact that [0-9]
> > matches ８ but not ９ is the right behavior.
>
> Doesn’t your first comment show that 9 is included in the match?
Florian is talking about having included FULLWIDTH DIGIT EIGHT but *not*
including FULLWIDTH DIGIT NINE, for en_US.UTF-8.
Why doesn't it include FULLWIDTH DIGIT NINE?
And the answer is because the regex says to stop at "9", and there are lots
more nine's after 9 that don't get included. To capture all the nine's you'd
have to stop at 10 (which doesn't exist) or the last known "9" (which is locale
dependent).
Therefore I think it's still the right behaviour.
We really should be using [:lower:].
> expected: "0123456789"
> actual: "0123456789²³¹¼ ... and lots of other stuff but 9 was there ...
Yes, that's fine, and that includes the 9, and so is OK.
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Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Wed, 18 Jul 2018 15:58:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|INVALID |---
Summary|glibc cause GNU make can't |Support conservative use of
|deal with an old normal |a-z or A-Z.
|wildcard |
--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Zorro Lang from comment #3)
> Thanks for you comfirming. But my colleague metioned that they've reported
> this bug before:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23393
>
> And the change looks like radical.
> Before, we can do this:
>
> # echo abcd > testfile
> # echo ABCD >> testfile
> # egrep [a-z] testfile
> abcd
>
> But now, it becomes this:
> # echo abcd > testfile
> # echo ABCD >> testfile
> # egrep [a-z] testfile
> abcd
> ABCD
>
> I'm afraid that it will break many customer's stripts and tools...
It appears you are asking for the following:
* Support using a-z and A-Z to mean [:lower:] and [:upper:]
* For all locales, even non-English ones.
This defeats the purpose of the regular expression statement, and is the reason
why [:lower:] and [:upper:] were specified.
We could make changes in the English-speaking locales perhaps, argued
rationally for conservatism, reverting some ISO 14651 changes, and causing a-z
and A-Z not to interleave, which would likely fix your use cases (until you had
files with more esoteric names).
Do we think that kind of conservative fix might work?
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Wed, 18 Jul 2018 16:04:00 -0000
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--- Comment #10 from Carlos O'Donell <carlos at redhat dot com> ---
My opinion is that this issue of matching [0-9] should be closed since it
matches 0-9 properly, but also matches other things. This may or may not be a
problem in the future, but it is unlike bug 23420 which can cause real issues
in a build system that uses characters in the ASCII range and gets odd sorting.
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Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #4)
> It appears you are asking for the following:
>
> * Support using a-z and A-Z to mean [:lower:] and [:upper:]
> * For all locales, even non-English ones.
>
> This defeats the purpose of the regular expression statement, and is the
> reason why [:lower:] and [:upper:] were specified.
>
> We could make changes in the English-speaking locales perhaps, argued
> rationally for conservatism, reverting some ISO 14651 changes, and causing
> a-z and A-Z not to interleave, which would likely fix your use cases (until
> you had files with more esoteric names).
>
> Do we think that kind of conservative fix might work?
I guess if we make this change it would be better if we uniformly deviate in
all languages from ISO 14651 to solve the issue. However, really this is a bug
in all the applications using '[a-z]' etc. because it will cause problems in
all sorts of locales that collate other characters in that range, but I
understand the problem.
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Subject: [Bug nptl/22563] __cancel_jmp_buf in __pthread_unwind_buf_t is incompatible with setjmp/longmp
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Wed, 18 Jul 2018 18:58:00 -0000
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Johannes Löthberg <johannes at kyriasis dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |johannes at kyriasis dot com
--- Comment #11 from Johannes Löthberg <johannes at kyriasis dot com> ---
In addition to the new behaviour being consistent with the Unicode collating
order, as it reasonably should, you should be able to set LC_COLLATE if you
want some other collation to be used.
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--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #5)
> (In reply to Carlos O'Donell from comment #4)
> > It appears you are asking for the following:
> >
> > * Support using a-z and A-Z to mean [:lower:] and [:upper:]
> > * For all locales, even non-English ones.
> >
> > This defeats the purpose of the regular expression statement, and is the
> > reason why [:lower:] and [:upper:] were specified.
> >
> > We could make changes in the English-speaking locales perhaps, argued
> > rationally for conservatism, reverting some ISO 14651 changes, and causing
> > a-z and A-Z not to interleave, which would likely fix your use cases (until
> > you had files with more esoteric names).
> >
> > Do we think that kind of conservative fix might work?
>
> I guess if we make this change it would be better if we uniformly deviate in
> all languages from ISO 14651 to solve the issue. However, really this is a
> bug in all the applications using '[a-z]' etc. because it will cause
> problems in all sorts of locales that collate other characters in that
> range, but I understand the problem.
... however in making this deviation, we take a step away from our stated goals
of harmonization with Unicode and CLDR data, and again add back subtle sorting
differences against other systems using Unicode collation or libICU.
My opinion is that the scripts in question should just get fixed, and that the
differences in collation among systems introduce subtle differences that are
more insidious than just the fixes we need for [a-z] and [A-Z].
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Subject: [Bug localedata/23422] oc_FR: More updates of locale data
Date: Wed, 18 Jul 2018 21:21:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df467d229ac53098d06ffd7b86322a1e22bf6013
commit df467d229ac53098d06ffd7b86322a1e22bf6013
Author: Quentin PAGÈS <provaires@quentino.fr>
Date: Sat May 19 17:59:08 2018 +0200
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Multiple updates for Occitan language including alternative month names,
update abday and abmon, fix typos in day, fix d_fmt, correct LC_NAME,
and use “copy "ca_ES"†as LC_COLLATE.
[BZ #23140]
* localedata/locales/oc_FR (mon): Rename to...
(alt_mon): This, then update October (typo fix).
(mon): New content (genitive case, month names preceded by
"de" or "d’").
[BZ #23422]
* localedata/locales/oc_FR (abday): Update all items.
(day): Update Wednesday and Saturday (typo fixes).
(abmon): Update all items, except May.
(d_fmt): Update "%d.%m.%Y" -> "%d/%m/%Y".
(LC_IDENTIFICATION): Bump the revision number and date.
Keep the "category" entries in alphabetic order.
(LC_ADDRESS): Remove no longer needed comment.
(LC_COLLATE): Use “copy "ca_ES"â€.
(LC_NAME): Set the correct values of "name_fmt", "name_mr", and
"name_mrs".
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 20 ++++++++++++++
NEWS | 2 +-
localedata/locales/oc_FR | 64 ++++++++++++++++++++++++++++-----------------
3 files changed, 61 insertions(+), 25 deletions(-)
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Wed, 18 Jul 2018 21:21:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df467d229ac53098d06ffd7b86322a1e22bf6013
commit df467d229ac53098d06ffd7b86322a1e22bf6013
Author: Quentin PAGÈS <provaires@quentino.fr>
Date: Sat May 19 17:59:08 2018 +0200
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Multiple updates for Occitan language including alternative month names,
update abday and abmon, fix typos in day, fix d_fmt, correct LC_NAME,
and use “copy "ca_ES"†as LC_COLLATE.
[BZ #23140]
* localedata/locales/oc_FR (mon): Rename to...
(alt_mon): This, then update October (typo fix).
(mon): New content (genitive case, month names preceded by
"de" or "d’").
[BZ #23422]
* localedata/locales/oc_FR (abday): Update all items.
(day): Update Wednesday and Saturday (typo fixes).
(abmon): Update all items, except May.
(d_fmt): Update "%d.%m.%Y" -> "%d/%m/%Y".
(LC_IDENTIFICATION): Bump the revision number and date.
Keep the "category" entries in alphabetic order.
(LC_ADDRESS): Remove no longer needed comment.
(LC_COLLATE): Use “copy "ca_ES"â€.
(LC_NAME): Set the correct values of "name_fmt", "name_mr", and
"name_mrs".
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 20 ++++++++++++++
NEWS | 2 +-
localedata/locales/oc_FR | 64 ++++++++++++++++++++++++++++-----------------
3 files changed, 61 insertions(+), 25 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Wed, 18 Jul 2018 21:27:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #45 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed all I was able to fix. Here is what remains not fixed:
* Finnish: I think it would be good but the existing workaround seems to be
sufficient for the actual native speakers.
* Slovak: I would like to consult the actual native community because their
rules of nominative/genitive cases seem to be different than in other
languages.
* Serbian: the same as in Slovak + I don't have a reliable list of translated
month names.
* Silesian: definitely needs an update but I don't have a reliable list of
month names.
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Subject: [Bug localedata/23422] oc_FR: More updates of locale data
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #4 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed by commit df467d229ac53098d06ffd7b86322a1e22bf6013.
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Wed, 18 Jul 2018 21:30:00 -0000
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
I find it very dubious that the current implementation of ranges is useful for
anything at all, exception implementation convenience (as it's what we have
today).
Two possible improvements come to my mind:
(a) If the both ranges are ASCII, match only ASCII characters.
(b) Ranges include all characters with the same primary collation weight as the
endpoints.
It's possible to implement both, with (a) superseding (b). I'm not sure if
today, range expressions can match collating elements consisting of multiple
characters, in which case the following variant might be less surprising:
(b') Ranges include all collating elements with the same primary weight as the
endpoints.
Both approaches are conforming to POSIX because ranges in other locales are
undefined anyway. As far as I can see, available user feedback suggests that
(a) is the expected behavior.
I think some tools actually implement (a) already because we went through this
fifteen years ago or something like that, but I can't find the historic
discussion.
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Subject: [Bug localedata/23140] More languages need two forms of month names
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--- Comment #46 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to keld@keldix.com from comment #40)
> Good. You are of cause rigth in saying that we do not have a way to
> capitalize such
> names. But then let us make a way to do it. My thoughts are to make some
> format specifier to change the first character til uppercase, both for
> month and day names, and their abbreviations. I don't have a specific
> proposal - but maybe a + somewhere could do it. What do you think?
This may be a good idea. Let's continue this discussion in bug 21370 which
I've created in order to handle this.
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Wed, 18 Jul 2018 23:03:00 -0000
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Rich Felker <bugdal at aerifal dot cx> changed:
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CC| |bugdal at aerifal dot cx
--- Comment #13 from Rich Felker <bugdal at aerifal dot cx> ---
I think bracket range expressions should just always be codepoint ranges. They
can't reliably be used for anything else (since the behavior isn't specified),
but anything else severely violates the principle of least surprise.
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>From glibc-bugs-return-42615-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 08:09:54 2018
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Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Thu, 19 Jul 2018 08:09:00 -0000
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>From glibc-bugs-return-42616-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 09:17:45 2018
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From: "vincent-srcware at vinc17 dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23432] New: missing thousands separator in printf output for leading zeros of integers
Date: Thu, 19 Jul 2018 09:17:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23432
Bug ID: 23432
Summary: missing thousands separator in printf output for
leading zeros of integers
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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When leading zeros are output by printf on an integer, thanks to the precision
field, the thousands' grouping characters in the part before the first non-zero
digit are missing.
Consider the following program:
#include <stdio.h>
#include <locale.h>
int main(int argc, char **argv)
{
setlocale (LC_ALL, "");
printf ("%'.17d\n", 123456789);
return 0;
}
With LC_ALL=en_US.utf8 I get
000000123,456,789
instead of
000,000,123,456,789
POSIX http://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html
says:
An optional precision that gives the minimum number of digits to appear for
the d, i, o, u, x, and X conversion specifiers[...]
and
(The <apostrophe>.) The integer portion of the result of a decimal conversion
( %i, %d, %u, %f, %F, %g, or %G ) shall be formatted with thousands' grouping
characters. [...]
It does not mention any special treatment of the leading zeros compared to the
other digits. And even though for readability, the thousands' grouping
character is useless before the first non-zero digit, I assume that it may be
important for alignment with other numbers and in other cases, such as
implementing multiple precision in radix 1000^n (say, each radix 1000^3 digit
is output with "%'.9d"). Thus I don't think there is a defect in POSIX and the
real intent is to output these thousands' grouping characters.
Note: When using 0 padding, e.g. "%017d", I assume that the current behavior is
correct, because this is just padding, not additional digits.
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From: "vincent-srcware at vinc17 dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug manual/23433] New: Clarify the use of the apostrophe flag (thousands' grouping) of formatted output functions
Date: Thu, 19 Jul 2018 09:35:00 -0000
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Bug ID: 23433
Summary: Clarify the use of the apostrophe flag (thousands'
grouping) of formatted output functions
Product: glibc
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Section 12.12.4 "Integer Conversions" in the glibc manual:
‘'’
Separate the digits into groups as specified by the locale specified for
the LC_NUMERIC category; see General Numeric. This flag is a GNU extension.
And this is similar in Section 12.12.5 "Floating-Point Conversions".
But for some conversion specifiers, this is actually specified by POSIX:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html
thus is not just a GNU extension.
Moreover, the manual should say for which conversion specifiers (the same as
POSIX?) this flag is valid. A test shows that it is not valid for %x:
tst.c: In function ‘main’:
tst.c:7:14: warning: ''' flag used with ‘%x’ gnu_printf format [-Wformat=]
printf ("%'x\n", 123456789);
^
even though...
$ LC_ALL=en_US.utf8 ./tst
7,5bc,d15
(but I don't think that this makes sense to group hex digits by 3, and I
suspect that this is just the result of undefined behavior).
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Thu, 19 Jul 2018 10:35:00 -0000
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--- Comment #14 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Rich Felker from comment #13)
> I think bracket range expressions should just always be codepoint ranges.
> They can't reliably be used for anything else (since the behavior isn't
> specified), but anything else severely violates the principle of least
> surprise.
Codepoint-based ranges would address my concerns.
I was just trying to come up with something that would open a backdoor to get
access to collation-order-based ranges in case they are needed (because some
people seem to like them). But I can't see a useful application for them,
either.
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>From glibc-bugs-return-42619-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 10:36:22 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Thu, 19 Jul 2018 10:36:00 -0000
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Rich Felker proposed to use codepoint order only for ranges:
https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c13
I think this would be a workable solution. It is POSIX-compliant.
(And this bug is really the same as bug 23393.)
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>From glibc-bugs-return-42620-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 12:50:30 2018
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Thu, 19 Jul 2018 12:50:00 -0000
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--- Comment #15 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #14)
> (In reply to Rich Felker from comment #13)
> > I think bracket range expressions should just always be codepoint ranges.
> > They can't reliably be used for anything else (since the behavior isn't
> > specified), but anything else severely violates the principle of least
> > surprise.
>
> Codepoint-based ranges would address my concerns.
>
> I was just trying to come up with something that would open a backdoor to
> get access to collation-order-based ranges in case they are needed (because
> some people seem to like them). But I can't see a useful application for
> them, either.
Any generic changes, particularly to use codepoing-based ranges will break
existing sortings in many other languages, including en_US.UTF-8. The existing
iso_14651_common has ~300+ symbols in the range and this proposal would exclude
it down to 26.
For example we have supported ñ in Spanish (second most native speakers on the
planet after Chinese) within [a-z], and removing that could possibly break a
huge number of regexp's used by Spanish developers with file names that contain
ñ.
The key issue at hand here is the cognitive dissonance with what [a-z] means
and that it includes uppercase characters. Basically we've allowed [a-z] to
mean the equivalent of ':lower:' and [A-Z] to mean the equivalent of ':upper:'.
Anecdotally the cat is out of the bag in my opinion, this change was already
made to locales in the glibc 2.12 (RHEL 6 era), and today we have Arabic,
Czech, Estonian, Croatian, Sorbian, Icelandic, Khmer, Lao, Lithuanian, Latvian,
Odia (India), Polish, Slovenian, Thai, and Turkish, all with the mixed-case
aA-zZ collation.
Note that Japanese and Korean explicitly sort the lower and upper case ascii
ranges without interleaving and so is excluded from this issue.
With the ISO 14651 update (derived from Unicode 9.0) we have this issue for all
languages that use ISO 14651 as the basis for their collation, and this
includes en_US.
My opinion is that if we really want to make a change to preserve backwards
compatibility it should be in regex and it should be to treat a-z explicitly as
:lower: and A-z explicitly as :upper: and in the case of the existing 15
locales, they will have to adjust all of their regexp's to match
upper/lower-case expectations. The nominal notion of case is a far more
compelling argument than code-points, or equivalence classes.
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |zlang at redhat dot com
--- Comment #16 from Carlos O'Donell <carlos at redhat dot com> ---
*** Bug 23420 has been marked as a duplicate of this bug. ***
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Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Thu, 19 Jul 2018 12:52:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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Status|REOPENED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #7)
> Rich Felker proposed to use codepoint order only for ranges:
>
> https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c13
>
> I think this would be a workable solution. It is POSIX-compliant.
>
> (And this bug is really the same as bug 23393.)
Moving to 23393, closing this as duplicate.
*** This bug has been marked as a duplicate of bug 23393 ***
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[0-9] matches ¼ ١ ２ 〣 and |Handle [a-z] and [A-Z] in
|others, but not ï¼™ (and |consistent portable fashion
|other nines) |regardless of locale.
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Subject: =?UTF-8?B?W0J1ZyByZWdleC8yMzM5M10gWzAtOV0gbWF0Y2hlcyDCvCDZoSDvvJIg44Cj?= =?UTF-8?B?IGFuZCBvdGhlcnMsIGJ1dCBub3Qg77yZIChhbmQgb3RoZXIgbmluZXMp?Date: Thu, 19 Jul 2018 12:53:00 -0000
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See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1601681
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #17 from Carlos O'Donell <carlos at redhat dot com> ---
Proposal (c)
- Handle the range a-z as an alias for :lower:.
- Handle the range A-Z as an alias for :upper:.
- Handle the range 0-9 as an alias for :digit:.
This would bring compatibility for regex's and still allow all other languages
to include lowe-case alphabetic symbols like ñ in Spanish without breaking
Spanish developer scripts that depend on that.
We would be breaking scripts for the 15 locales that have mixed aA-zZ collation
if they expect a-z to include A-Y, but the potential for breakage in all the
other languages is worse.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #18 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #17)
> Proposal (c)
> - Handle the range a-z as an alias for :lower:.
> - Handle the range A-Z as an alias for :upper:.
> - Handle the range 0-9 as an alias for :digit:.
>
> This would bring compatibility for regex's and still allow all other
> languages to include lowe-case alphabetic symbols like ñ in Spanish without
> breaking Spanish developer scripts that depend on that.
>
> We would be breaking scripts for the 15 locales that have mixed aA-zZ
> collation if they expect a-z to include A-Y, but the potential for breakage
> in all the other languages is worse.
>From an implementation perspective I believe we can add this in whenever we
call __collseq_table_lookup in regcomp.c, regexec.c, and fnmatch_loop.c, we
need to do the substitution if we are looking for one of the above ranges and
use a fixed range.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 19 Jul 2018 13:23:00 -0000
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--- Comment #19 from Andreas Schwab <schwab@linux-m68k.org> ---
What about ranges like [0-9a-f]?
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #20 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #15)
> (In reply to Florian Weimer from comment #14)
> > (In reply to Rich Felker from comment #13)
> > > I think bracket range expressions should just always be codepoint ranges.
> > > They can't reliably be used for anything else (since the behavior isn't
> > > specified), but anything else severely violates the principle of least
> > > surprise.
> >
> > Codepoint-based ranges would address my concerns.
> >
> > I was just trying to come up with something that would open a backdoor to
> > get access to collation-order-based ranges in case they are needed (because
> > some people seem to like them). But I can't see a useful application for
> > them, either.
>
> Any generic changes, particularly to use codepoing-based ranges will break
> existing sortings in many other languages, including en_US.UTF-8. The
> existing iso_14651_common has ~300+ symbols in the range and this proposal
> would exclude it down to 26.
The point Rich and I are making is that there is no requirement in POSIX to
have ranges following collation sorting. Our current implementations do this,
but it's not required by POSIX. We can change the code (and not the data).
> With the ISO 14651 update (derived from Unicode 9.0) we have this issue for
> all languages that use ISO 14651 as the basis for their collation, and this
> includes en_US.
We aren't proposing changes to the collation rules.
> My opinion is that if we really want to make a change to preserve backwards
> compatibility it should be in regex and it should be to treat a-z explicitly
> as :lower: and A-z explicitly as :upper: and in the case of the existing 15
> locales, they will have to adjust all of their regexp's to match
> upper/lower-case expectations. The nominal notion of case is a far more
> compelling argument than code-points, or equivalence classes.
This still fixes only a subset of the problematic cases. For example, using
[0-7] for an octal digit or [0-9a-f] for a lower-case hexadecimal digit would
still not work, and [a-zA-Z/.] would not match base64 digits only, either.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #21 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #19)
> What about ranges like [0-9a-f]?
I would ignore it. Since aAbBcCdDeEf are all valid for parsing hex, unless you
are specifically excluding uppercase. It gets much more complicated to process
this if you have to convert a canonical form of [0-9a-f] into :xdigits:.
Today I think actually the simplest thing to do for 2.28 is this:
- Deinterlace the ISO 14651 data e.g. aAbBcCdDeEfF...zZ => abcd..zA..Z, using
the islower / isupper data.
This will restore the original ordering, keep the new characters, deviate
slightly from ISO 14651, and allow us time to consider our options.
Thoughts?
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 19 Jul 2018 13:59:00 -0000
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--- Comment #22 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #20)
> The point Rich and I are making is that there is no requirement in POSIX to
> have ranges following collation sorting. Our current implementations do
> this, but it's not required by POSIX. We can change the code (and not the
> data).
This is not my interpretation.
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html
~~~
7. In the POSIX locale, a range expression represents the set of collating
elements that fall between two elements in the collation sequence, inclusive.
~~~
We would not meet that rule if we used code points?
> > With the ISO 14651 update (derived from Unicode 9.0) we have this issue for
> > all languages that use ISO 14651 as the basis for their collation, and this
> > includes en_US.
>
> We aren't proposing changes to the collation rules.
For 2.28 I'm going to propose we de-interlace a-zA-z to solve the issues we
have seen so far since we're not ready to make a decision.
This is no worse than what we had before and users that already fixed scripts
to portable use :upper: :lower: still work too.
The 15 locales that use interleaved aA-zZ will remain as-is and need not
change.
> > My opinion is that if we really want to make a change to preserve backwards
> > compatibility it should be in regex and it should be to treat a-z explicitly
> > as :lower: and A-z explicitly as :upper: and in the case of the existing 15
> > locales, they will have to adjust all of their regexp's to match
> > upper/lower-case expectations. The nominal notion of case is a far more
> > compelling argument than code-points, or equivalence classes.
>
> This still fixes only a subset of the problematic cases. For example, using
> [0-7] for an octal digit or [0-9a-f] for a lower-case hexadecimal digit
> would still not work, and [a-zA-Z/.] would not match base64 digits only,
> either.
These are based on an erroneous understanding of POSIX regular expressions.
Either way for 2.28 I'm suggesting we revert the lower/upper interleaving in
localedata/locales/iso14651_t1_common for now.
Thoughts?
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 19 Jul 2018 14:02:00 -0000
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--- Comment #23 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #22)
> (In reply to Florian Weimer from comment #20)
> > The point Rich and I are making is that there is no requirement in POSIX to
> > have ranges following collation sorting. Our current implementations do
> > this, but it's not required by POSIX. We can change the code (and not the
> > data).
>
> This is not my interpretation.
>
> http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html
>
> ~~~
> 7. In the POSIX locale, a range expression represents the set of collating
> elements that fall between two elements in the collation sequence, inclusive.
> ~~~
>
> We would not meet that rule if we used code points?
Sorry, meant to quote the line under that one:
~~~
7. In the POSIX locale, a range expression represents the set of collating
elements that fall between two elements in the collation sequence, inclusive.
In other locales, a range expression has unspecified behavior: strictly
conforming applications shall not rely on whether the range expression is
valid, or on the set of collating elements matched
~~~
You argue that the "unspecified behaviour" (not undefined), would be changed?
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 19 Jul 2018 14:06:00 -0000
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--- Comment #24 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #22)
> (In reply to Florian Weimer from comment #20)
> > The point Rich and I are making is that there is no requirement in POSIX to
> > have ranges following collation sorting. Our current implementations do
> > this, but it's not required by POSIX. We can change the code (and not the
> > data).
>
> This is not my interpretation.
>
> http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html
>
> ~~~
> 7. In the POSIX locale, a range expression represents the set of collating
> elements that fall between two elements in the collation sequence, inclusive.
> ~~~
>
> We would not meet that rule if we used code points?
For ASCII-based implementations, the order is the same. From “LC_COLLATE
Category in the POSIX Localeâ€:
# This is the minimum input for the POSIX locale definition for the
# LC_COLLATE category. Characters in this list are in the same order
# as in the ASCII codeset.
And a cursory glance at the definition suggests that the comment is accurate.
> You argue that the "unspecified behaviour" (not undefined), would be changed?
Yes, or not be changed, for the en_US locale and many common range expressions.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #25 from Rich Felker <bugdal at aerifal dot cx> ---
Regarding Carlos' proposal in comment 17, it's not clear to me that users want
ñ to be matched by [a-z] in en locales or similar, even though letters not used
in English are in class [:lower:]. I'm unsure whether they are included in
[a-z] now; it probably depends on LC_COLLATE, which many users explicitly set
to C. Changing things so that even with LC_COLLATE=C, you get additional
characters in [a-z] due to LC_CTYPE, seems undesirable, and like it would
prompt users to set LC_CTYPE=C, breaking all Unicode support.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #26 from Florian Weimer <fweimer at redhat dot com> ---
I finally found a summary of the old discussion, regarding the Rational Range
Interpretation:
https://www.gnu.org/software/gawk/manual/html_node/Ranges-and-Locales.html
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |carlos at redhat dot com
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #27 from Carlos O'Donell <carlos at redhat dot com> ---
I have patches to fix this along with one new test case and some test case
readjustments.
I also have an implementation of [a-z][A-Z] and [0-9] in glibc, and I'll post
that patch once 2.29 opens and we can discuss.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Thu, 19 Jul 2018 17:42:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23420
--- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Carlos O'Donell from comment #8)
> (In reply to Florian Weimer from comment #7)
> > Rich Felker proposed to use codepoint order only for ranges:
> >
> > https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c13
> >
> > I think this would be a workable solution. It is POSIX-compliant.
> >
> > (And this bug is really the same as bug 23393.)
>
> Moving to 23393, closing this as duplicate.
>
> *** This bug has been marked as a duplicate of bug 23393 ***
Just to certify to actually trigger the issue described on xfstests-dev install
one need to set a specific system locale, right? I am trying to understand why
I could reproduce it on my environment.
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>From glibc-bugs-return-42638-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 18:18:36 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Thu, 19 Jul 2018 18:18:00 -0000
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--- Comment #10 from Carlos O'Donell <carlos at redhat dot com> ---
On 07/19/2018 01:42 PM, adhemerval.zanella at linaro dot org wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23420
>
> --- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
> (In reply to Carlos O'Donell from comment #8)
>> (In reply to Florian Weimer from comment #7)
>>> Rich Felker proposed to use codepoint order only for ranges:
>>>
>>> https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c13
>>>
>>> I think this would be a workable solution. It is POSIX-compliant.
>>>
>>> (And this bug is really the same as bug 23393.)
>>
>> Moving to 23393, closing this as duplicate.
>>
>> *** This bug has been marked as a duplicate of bug 23393 ***
>
> Just to certify to actually trigger the issue described on xfstests-dev install
> one need to set a specific system locale, right? I am trying to understand why
> I could reproduce it on my environment.
Any locale but C/POSIX.
Any locale which uses iso14651_t1_common went from [a-z] == a-z, to [a-z] ==
aA-zZ.
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>From glibc-bugs-return-42639-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 18:33:04 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
Date: Thu, 19 Jul 2018 18:33:00 -0000
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--- Comment #11 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Carlos O'Donell from comment #10)
> On 07/19/2018 01:42 PM, adhemerval.zanella at linaro dot org wrote:
> > https://sourceware.org/bugzilla/show_bug.cgi?id=23420
> >
> > --- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
> > (In reply to Carlos O'Donell from comment #8)
> >> (In reply to Florian Weimer from comment #7)
> >>> Rich Felker proposed to use codepoint order only for ranges:
> >>>
> >>> https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c13
> >>>
> >>> I think this would be a workable solution. It is POSIX-compliant.
> >>>
> >>> (And this bug is really the same as bug 23393.)
> >>
> >> Moving to 23393, closing this as duplicate.
> >>
> >> *** This bug has been marked as a duplicate of bug 23393 ***
> >
> > Just to certify to actually trigger the issue described on xfstests-dev install
> > one need to set a specific system locale, right? I am trying to understand why
> > I could reproduce it on my environment.
>
> Any locale but C/POSIX.
>
> Any locale which uses iso14651_t1_common went from [a-z] == a-z, to [a-z] ==
> aA-zZ.
Right, I tested with LANG=en_US.UTF-8 and LANGUAGE=en_US but couldn't reproduce
it.
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>From glibc-bugs-return-42640-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 19:01:38 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 19 Jul 2018 19:01:00 -0000
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--- Comment #28 from Carlos O'Donell <carlos at redhat dot com> ---
Created attachment 11145
--> https://sourceware.org/bugzilla/attachment.cgi?id=11145&action=edit
reorder.c
The following program takes as input the LATIN script range and reorder it
based on rules that allow [a-z] and [A-Z] to work as expected.
glibc implements ISO POSIX-2:1993 requirements and so uses collation element
order (CEO) as the basis for range expressions. Therefore we can re-arrange the
range elements while still keeping the ISO 14651 sorting.
This means we can meet the range requirements we want and the sorting we want.
I don't see any downside to this. Further we can create 3 distinct ranges in
iso14651_t1_common wihtout breaking collation and those ranges would only
contain a-z, A-Z, and 0-9 and implement what Florian and Rich are suggesting
for all locales that use iso14651_t1_common collation.
The 15 locales that don't use iso14651_t1_common will not be changed since
that's the most conservative solution.
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>From glibc-bugs-return-42641-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 19:30:55 2018
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Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #11)
> Right, I tested with LANG=en_US.UTF-8 and LANGUAGE=en_US but couldn't
> reproduce it.
Did you test with glibc from the master branch? We backported the collation
data update into Fedora's glibc 2.27, but it's not in upstream glibc 2.27.
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>From glibc-bugs-return-42642-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 19:45:42 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 19 Jul 2018 19:45:00 -0000
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--- Comment #29 from Carlos O'Donell <carlos at redhat dot com> ---
Posted solution for 2.28:
https://www.sourceware.org/ml/libc-alpha/2018-07/msg00620.html
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug glob/23420] Support conservative use of a-z or A-Z.
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--- Comment #13 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #12)
> (In reply to Adhemerval Zanella from comment #11)
>
> > Right, I tested with LANG=en_US.UTF-8 and LANGUAGE=en_US but couldn't
> > reproduce it.
>
> Did you test with glibc from the master branch? We backported the collation
> data update into Fedora's glibc 2.27, but it's not in upstream glibc 2.27.
I tested with master with my system make (executed through testrun.sh). I am
not sure if using DESTDIR along with install rule is tampering with testing.
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>From glibc-bugs-return-42644-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 21:50:13 2018
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Subject: [Bug libc/23404] [mips] sys/ioctl.h must be included before sys/socket.h
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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CC| |jsm28 at gcc dot gnu.org
Assignee|jsm28 at gcc dot gnu.org |unassigned at gcc dot gnu.org
Severity|critical |normal
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>From glibc-bugs-return-42645-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 21:58:09 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug time/23414] tzset integer overlow with 32-bit time_t when using TZ without DST rules
Date: Thu, 19 Jul 2018 21:58:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
This sounds like a duplicate of bug 19738 (fixed for 2.28 but Florian's patch
https://sourceware.org/ml/libc-alpha/2018-05/msg00659.html adding a test needs
review). Please reopen and provide a full self-contained testcase if you think
Florian's commit to use 64-bit times internally here has not fixed this for
2.28, and otherwise helping review Florian's test submission would be good.
*** This bug has been marked as a duplicate of bug 19738 ***
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Subject: [Bug time/19738] __tzfile_default 32-bit time_t overflow
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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CC| |qboosh@pld-linux.org
--- Comment #20 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
*** Bug 23414 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-42647-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 19 22:25:17 2018
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Subject: [Bug stdio/23432] missing thousands separator in printf output for leading zeros of integers
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>From glibc-bugs-return-42648-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 20 10:24:58 2018
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 786658a08829e8a303d846406812f9245846e99c
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jul 20 11:58:51 2018 +0200
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
This bug is very similar to bug 23036: The existing code assumed that
the length count included the length byte itself.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
posix/regcomp.c | 16 ++++------------
2 files changed, 10 insertions(+), 12 deletions(-)
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Subject: [Bug regex/23036] regex equivalence class regression
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commit 786658a08829e8a303d846406812f9245846e99c
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jul 20 11:58:51 2018 +0200
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
This bug is very similar to bug 23036: The existing code assumed that
the length count included the length byte itself.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
posix/regcomp.c | 16 ++++------------
2 files changed, 10 insertions(+), 12 deletions(-)
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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Target Milestone|--- |2.28
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.28.
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>From glibc-bugs-return-42653-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 20 21:06:49 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23437] New: In tr_TR has equivalence class problems.
Date: Fri, 20 Jul 2018 21:06:00 -0000
X-Bugzilla-Reason: CC
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https://sourceware.org/bugzilla/show_bug.cgi?id=23437
Bug ID: 23437
Summary: In tr_TR has equivalence class problems.
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
In tr_TR we have custom collation rules but they change the primary weight and
move several symbols out of the equivalence classes that allow them to match
together with [=i=] or [=o=].
<U0049> <i-dotless>;<BASE>;<CAP>;IGNORE % I
<U00F6> <o-diaresis>;<BASE>;<MIN>;IGNORE % ö
<U00D6> <o-diaresis>;<BASE>;<CAP>;IGNORE % Ö
<U015F> <s-cedilla>;<BASE>;<MIN>;IGNORE % ÅŸ
<U015E> <s-cedilla>;<BASE>;<CAP>;IGNORE % Åž
<U00FC> <u-diaresis>;<BASE>;<MIN>;IGNORE % ü
<U00DC> <u-diaresis>;<BASE>;<CAP>;IGNORE % Ü
Are all in the wrong equivalence class.
I'm not sure how to fix this easily.
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>From glibc-bugs-return-42654-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jul 21 13:34:45 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/14092] Support C11 threads
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https://sourceware.org/bugzilla/show_bug.cgi?id=14092
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/c11-threads has been created
at 06a612274bc4eaa1acaf0b9c8c895587908a576e (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06a612274bc4eaa1acaf0b9c8c895587908a576e
commit 06a612274bc4eaa1acaf0b9c8c895587908a576e
Author: Rical Jasan <rj@2c3t.io>
Date: Tue Dec 6 20:47:02 2016 -0200
Add manual documentation for threads.h
This patch updates the manual and adds a new chapter to the manual,
explaining types macros, constants and functions defined by ISO C11
threads.h standard.
[BZ# 14092]
* manual/debug.texi: Update adjacent chapter name.
* manual/probes.texi: Likewise.
* manual/threads.texi (ISO C Threads): New section.
(POSIX Threads): Convert to a section.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc5e47a755eeb7330894286ef15ead296be4e5f8
commit dc5e47a755eeb7330894286ef15ead296be4e5f8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 5 18:32:11 2016 -0200
nptl: Add test cases for ISO C11 threads
This patch adds to testsuite new test cases to test all new introduced
C11 threads functions, types and macros are tested.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Juan Manuel Torres Palma <jmtorrespalma@gmail.com>
[BZ #14092]
* nptl/Makefile (tests): Add new test files.
* nptl/tst-call-once.c : New file. Tests C11 functions and types.
* nptl/tst-cnd-basic.c: Likewise.
* nptl/tst-cnd-broadcast.c: Likewise.
* nptl/tst-cnd-timedwait.c: Likewise.
* nptl/tst-mtx-basic.c: Likewise.
* nptl/tst-mtx-recursive.c: Likewise.
* nptl/tst-mtx-timedlock.c: Likewise.
* nptl/tst-mtx-trylock.c: Likewise.
* nptl/tst-thrd-basic.c: Likewise.
* nptl/tst-thrd-detach.c: Likewise.
* nptl/tst-thrd-sleep.c: Likewise.
* nptl/tst-tss-basic.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cb68b8f38000ac1ed3b2292f68e590d779208bdd
commit cb68b8f38000ac1ed3b2292f68e590d779208bdd
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 11:02:16 2017 -0300
nptl: Add abilist symbols for C11 threads
This patch adds the required abilist symbols for C11 thread support.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(thrd_current, thrd_equal, thrd_sleep, thrd_yield): Add C11 thread
symbols.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist [[GLIBC_2.28]
(call_once, cnd_broadcast, cnd_destroy, cnd_init, cnd_signal,
cnd_timedwait, cnd_wait, mtx_destroy, mtx_init, mtx_lock,
mtx_timedlock, mtx_trylock, mtx_unlokc, thrd_create, thrd_detach,
thrd_exit, thrd_join, tss_create, tss_delete, tss_get, tss_set):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise.
ikewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist:
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=212c8dc9a1fcb0d2b72bedb474fd99bd7152aac0
commit 212c8dc9a1fcb0d2b72bedb474fd99bd7152aac0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 11:00:05 2017 -0300
nptl: Add C11 threads tss_* functions
This patch adds the tss_* definitions from C11 threads (ISO/IEC 9899:2011),
more specifically tss_create, tss_delete, tss_get, tss_set, and required
types.
Mostly of the definitions are composed based on POSIX conterparts,
including
tss_t (pthread_key_t).
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (thread_local): New macro.
(TSS_DTOR_ITERATIONS): Likewise.
(tss_t): New type.
(tss_dtor_t): Likewise.
(tss_create): New function.
(tss_get): Likewise.
(tss_set): Likewise.
(tss_delete): Likewise.
* nptl/Makefile (libpthread-routines): Add tss_create, tss_delete,
tss_get, and tss_set objects.
* nptl/Versions (libpthread) [GLIBC_2.28]: Likewise.
* nptl/tss_create.c: New file.
* nptl/tss_delete.c: Likewise.
* nptl/tss_get.c: Likewise.
* nptl/tss_set.c: Likewise.
* sysdeps/nptl/threads.h (thread_local): New define.
(TSS_DTOR_ITERATIONS): Likewise.
(tss_t): New typedef.
(tss_dtor_t): Likewise.
(tss_create): New prototype.
(tss_get): Likewise.
(tss_set): Likewise.
(tss_delete): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6388e5d9432fd5acc30c1dfa8a681fc655e4f49e
commit 6388e5d9432fd5acc30c1dfa8a681fc655e4f49e
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:55:10 2017 -0300
nptl: Add C11 threads cnd_* functions
This patch adds the cnd_* definitions from C11 threads (ISO/IEC 9899:2011),
more specifically cnd_broadcast, cnd_destroy, cnd_init, cnd_signal,
cnd_timedwait, cnd_wait, and required types.
Mostly of the definitions are composed based on POSIX conterparts, and
cnd_t is also based on internal pthreads fields, but with distinct internal
layout to avoid possible issues with code interchange (such as trying to
pass
POSIX structure on C11 functions and to avoid inclusion of pthread.h). The
idea is to make it possible to share POSIX internal implementation for
mostly
of the code making adjust where only required.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (cnd_t): New type.
(cnd_init): New function.
(cnd_signal): Likewise.
(cnd_broadcast): Likewise.
(cnd_wait): Likewise.
(cnd_timedwait): Likewise.
(cnd_destroy): Likewise.
* nptl/Makefile (libpthread-routines): Add cnd_broadcast,
cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and cnd_wait
object.
* nptl/Versions (libpthread) [GLIBC_2.28]: Likewise.
* nptl/cnd_broadcast.c: New file.
* nptl/cnd_destroy.c: Likewise.
* nptl/cnd_init.c: Likewise.
* nptl/cnd_signal.c: Likewise.
* nptl/cnd_timedwait.c: Likewise.
* nptl/cnd_wait.c: Likewise.
* sysdeps/nptl/threads.h (cnd_t): New type.
(cnd_init): New prototype.
(cnd_signa): Likewise.
(cnd_broadcast): Likewise.
(cnd_wait): Likewise.
(cnd_timedwait): Likewise.
(cnd_destroy): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b06bbd114f668dee17875ab00b2640f38b1d90b4
commit b06bbd114f668dee17875ab00b2640f38b1d90b4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:49:51 2017 -0300
nptl: Add C11 threads call_once functions
This patch adds the call_* definitions from C11 threads (ISO/IEC
9899:2011),
more specifically call_once and required types.
Mostly of the definitions are composed based on POSIX conterparts,including
once_flag (pthread_once_t). The idea is to make possible to share POSIX
internal implementations for mostly of the code (and making adjustment only
when required).
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (ONCE_FLAG_INIT): New macro.
(once_flag): New type.
(call_once): New function.
* nptl/Makefile (libpthread-routines): Add call_once object.
* nptl/Versions (libphread) [GLIBC_2.28]: Add call_once symbol.
* nptl/call_once.c: New file.
* sysdeps/nptl/threads.h (ONCE_FLAG_INIT): New define.
(once_flag): New type.
(call_once): New prototype.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38e61d9925c39783429b344ca0970e2ef46d7a1b
commit 38e61d9925c39783429b344ca0970e2ef46d7a1b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:45:04 2017 -0300
nptl: Add C11 threads mtx_* functions
This patch adds the mtx_* definitions from C11 threads (ISO/IEC 9899:2011),
more specifically mtx_init, mtx_destroy, mtx_lock, mtx_timedlock,
mtx_trylock,
mtx_unlock, and required types.
Mostly of the definitions are composed based on POSIX conterparts, and
mtx_t
is also based on internal pthread fields, but with a distinct internal
layout
to avoid possible issues with code interchange (such as trying to pass
POSIX
structure on C11 functions and to avoid inclusion of pthread.h). The idea
is to make possible to share POSIX internal implementations for mostly of
the code (and making adjustment only when required).
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (mtx_plain): New constant.
(mtx_recursive): Likewise.
(mtx_timed): Likewise.
(mtx_t): New type.
(mtx_init): New function.
(mtx_lock): Likewise.
(mtx_timedlock): Likewise.
(mtx_trylock): Likewise.
(mtx_unlock): Likewise.
(mtx_destroy): Likewise.
* nptl/Makefile (libpthread-routines): Add mtx_destroy, mtx_init,
mtx_lock, mtx_timedlock, mtx_trylock, and mtx_unlock object.
* nptl/Versions (libpthread) [GLIBC_2.28]): Add mtx_init, mtx_lock,
mtx_timedlock, mtx_trylock, mtx_unlock, and mtx_destroy.
* nptl/mtx_destroy.c: New file.
* nptl/mtx_init.c: Likewise.
* nptl/mtx_lock.c: Likewise.
* nptl/mtx_timedlock.c: Likewise.
* nptl/mtx_trylock.c: Likewise.
* nptl/mtx_unlock.c: Likewise.
* sysdeps/nptl/threads.h (mtx_plain): New enumeration.
(mtx_recursive): Likewise.
(mtx_timed): Likewise.
(mtx_t): New type.
(mtx_init): New prototype.
(mtx_lock): Likewise.
(mtx_timedlock): Likewise.
(mtx_trylock): Likewise.
(mtx_unlock): Likewise.
(mtx_destroy): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66b6a7d00fb6bac32991b8331f867784c4e3f4a6
commit 66b6a7d00fb6bac32991b8331f867784c4e3f4a6
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:29:29 2017 -0300
nptl: Add C11 threads thrd_* functions
This patch adds the thrd_* definitions from C11 threads (ISO/IEC
9899:2011),
more specifically thrd_create, thrd_curent, rhd_detach, thrd_equal,
thrd_exit, thrd_join, thrd_sleep, thrd_yield, and required types.
Mostly of the definitions are composed based on POSIX conterparts, such as
thrd_t (using pthread_t). For thrd_* function internally direct
POSIX pthread call are used with the exceptions:
1. thrd_start uses pthread_create internal implementation, but changes
how to actually calls the start routine. This is due the difference
in signature between POSIX and C11, where former return a 'void *'
and latter 'int'.
To avoid calling convention issues due 'void *' to int cast, routines
from C11 threads are started slight different than default pthread
one.
Explicit cast to expected return are used internally on pthread_create
and the result is stored back to void also with an explicit cast.
2. thrd_sleep uses nanosleep internal direct syscall to avoid clobbering
errno and to handle expected standard return codes. It is a
cancellation entrypoint to be consistent with both thrd_join and
cnd_{timed}wait.
3. thrd_yield also uses internal direct syscall to avoid errno
clobbering.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
tile{pro,gx}-linux-gnu, and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/Makefile (conformtest-headers-ISO11): Add threads.h.
(linknamespace-libs-ISO11): Add libpthread.a.
* conform/data/threads.h-data: New file: add C11 thrd_* types and
functions.
* include/stdc-predef.h (__STDC_NO_THREADS__): Remove definition.
* nptl/Makefile (headers): Add threads.h.
(libpthread-routines): Add new C11 thread thrd_create, thrd_current,
thrd_detach, thrd_equal, thrd_exit, thrd_join, thrd_sleep, and
thrd_yield.
* nptl/Versions (libpthread) [GLIBC_2.28]): Add new C11 thread
thrd_create, thrd_current, thrd_detach, thrd_equal, thrd_exit,
thrd_join, thrd_sleep, and thrd_yield symbols.
* nptl/descr.h (struct pthread): Add c11 field.
* nptl/pthreadP.h (ATTR_C11_THREAD): New define.
* nptl/pthread_create.c (START_THREAD_DEFN): Call C11 thread start
routine with expected function prototype.
(__pthread_create_2_1): Add C11 threads check based on attribute
value.
* sysdeps/unix/sysdep.h (INTERNAL_SYSCALL_CANCEL): New macro.
* nptl/thrd_create.c: New file.
* nptl/thrd_current.c: Likewise.
* nptl/thrd_detach.c: Likewise.
* nptl/thrd_equal.c: Likewise.
* nptl/thrd_exit.c: Likewise.
* nptl/thrd_join.c: Likewise.
* nptl/thrd_priv.h: Likewise.
* nptl/thrd_sleep.c: Likewise.
* nptl/thrd_yield.c: Likewise.
* include/threads.h: Likewise.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Mon, 23 Jul 2018 08:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23393
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also|https://bugzilla.redhat.com |https://bugzilla.redhat.com
|/show_bug.cgi?id=1601681 |/show_bug.cgi?id=1607286
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>From glibc-bugs-return-42656-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 23 22:25:17 2018
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From: "slyfox at inbox dot ru" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23441] New: sh (SuperH) generates TEXTRELs for PIE binaries due to PIC-incompatible assembly code.
Date: Mon, 23 Jul 2018 22:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23441
Bug ID: 23441
Summary: sh (SuperH) generates TEXTRELs for PIE binaries due to
PIC-incompatible assembly code.
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: slyfox at inbox dot ru
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Minimal reproducer:
$ echo 'int main(){}' | sh4-unknown-linux-gnu-gcc-8.1.0 -fPIE -pie -x c - -o
a.out -ggdb3 -Wl,-z,text
/usr/libexec/gcc/sh4-unknown-linux-gnu/ld: read-only segment has dynamic
relocations.
collect2: error: ld returned 1 exit status
Analysis:
$ echo 'int main(){}' | sh4-unknown-linux-gnu-gcc-8.1.0 -fPIE -pie -x c -
-o a.out -ggdb3
$ objdump -d -R a.out | fgrep -C30 R_SH_
000003f8 <_start>:
3f8: 00 ee mov #0,r14
3fa: f6 65 mov.l @r15+,r5
3fc: f3 66 mov r15,r6
3fe: 46 2f mov.l r4,@-r15
400: 06 d0 mov.l 41c <_start+0x24>,r0 ! 5cc <__libc_csu_fini>
402: 06 2f mov.l r0,@-r15
404: 03 d4 mov.l 414 <_start+0x1c>,r4 ! 54c <main>
406: 04 d7 mov.l 418 <_start+0x20>,r7 ! 564 <__libc_csu_init>
408: 05 d1 mov.l 420 <_start+0x28>,r1 ! 0
40a: 0b 41 jsr @r1
40c: 09 00 nop
40e: 05 d1 mov.l 424 <_start+0x2c>,r1 ! 0
410: 0b 41 jsr @r1
412: 09 00 nop
414: 4c 05 mov.b @(r0,r4),r5
414: R_SH_RELATIVE *ABS*+0x54c
416: 00 00 .word 0x0000
418: 64 05 mov.b r6,@(r0,r5)
418: R_SH_RELATIVE *ABS*+0x564
41a: 00 00 .word 0x0000
41c: cc 05 mov.b @(r0,r12),r5
41c: R_SH_RELATIVE *ABS*+0x5cc
...
420: R_SH_DIR32 __libc_start_main@GLIBC_2.2
424: R_SH_DIR32 abort@GLIBC_2.2
Note: _start symbol refers to abort, __libc_start_main via dynamic relocation
right in .text section:
https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/sh/start.S;h=f52077abca02fd624b22d8477b1a4406d7094a1d;hb=HEAD#l91
Ideally it ought to go through GOT+PLT mechanism (if possible) and not store
absolute address in the .text section.
Thanks!
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>From glibc-bugs-return-42657-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 24 05:03:35 2018
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Subject: [Bug build/23442] New: New warning with GCC 8
Date: Tue, 24 Jul 2018 05:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23442
Bug ID: 23442
Summary: New warning with GCC 8
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: mliska at suse dot cz
CC: carlos at redhat dot com
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I see new warning being seen:
[ 129s] gcc fnmatch.c -c -std=gnu11 -fgnu89-inline -D_FORTIFY_SOURCE=2 -O2
-U_FORTIFY_SOURCE -Wall -Werror -Wundef -Wwrite-strings
-fasynchronous-unwind-tables -fmerge-all-constants -fmessage-length=0
-frounding-math -fstack-clash-protection -fstack-protector-strong
-funwind-tables -g -grecord-gcc-switches -Wstrict-prototypes
-Wold-style-definition -ftls-model=initial-exec -I../include
-I/home/abuild/rpmbuild/BUILD/glibc-2.27/cc-base/posix
-I/home/abuild/rpmbuild/BUILD/glibc-2.27/cc-base
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl
-I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux
-I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64
-I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -D_LIBC_REENTRANT -include
/home/abuild/rpmbuild/BUILD/glibc-2.27/cc-base/libc-modules.h
-DMODULE_NAME=libc -include ../include/libc-symbols.h -DPIC
-DTOP_NAMESPACE=glibc -o
/home/abuild/rpmbuild/BUILD/glibc-2.27/cc-base/posix/fnmatch.o -MD -MP -MF
/home/abuild/rpmbuild/BUILD/glibc-2.27/cc-base/posix/fnmatch.o.dt -MT
/home/abuild/rpmbuild/BUILD/glibc-2.27/cc-base/posix/fnmatch.o
[ 129s] In file included from fnmatch.c:243:
[ 129s] fnmatch_loop.c: In function 'internal_fnwmatch':
[ 129s] ../locale/weightwc.h:103:28: error: array subscript 1 is outside array
bounds of 'wint_t[1]' {aka 'unsigned int[1]'} [-Werror=array-bounds]
[ 129s] if (cp[nhere - 1] > usrc[nhere -1])
[ 129s] ~~~~^~~~~~~~~~
It's seen on GCC trunk since r262893.
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>From glibc-bugs-return-42658-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 24 09:09:19 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23446] New: vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s and %m$d" to a same parameter.
Date: Tue, 24 Jul 2018 09:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23446
Bug ID: 23446
Summary: vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s
and %m$d" to a same parameter.
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: minhray3153 at 163 dot com
Target Milestone: ---
In this foo.c, num is a 64 bits number, and it's also a writable address. When
I use "%1$n%1$d", it causes a Segmentation fault.
#include<stdio.h>
#include<stdint.h>
#include<stdlib.h>
int main()
{
int64_t num;
num = 0x7fffffffe480;
printf("%1$n%1$d",num);
return 0;
}
I compile foo.c on ubuntu 18.04 LTS（gcc foo.c -o foo, enable NX, PIE and FULL
RELRO）. Gdb information is as follows:
[----------------------------------registers-----------------------------------]
RAX: 0xffffe480
RBX: 0x7fffffffd840 --> 0xffffe480
RCX: 0x0
RDX: 0x17
RSI: 0x20 (' ')
RDI: 0x7ffff7a58bc0 (<printf_positional+3696>: mov rsi,QWORD PTR
[r14+0x38])
RBP: 0x7fffffffdda0 --> 0x7fffffffe350 --> 0x7fffffffe450 --> 0x400560
(<__libc_csu_init>: push r15)
RSP: 0x7fffffffd840 --> 0xffffe480
RIP: 0x7ffff7a59bc6 (<printf_positional+7798>: mov DWORD PTR [rax],r15d)
R8 : 0x0
R9 : 0x6e ('n')
R10: 0x6e ('n')
R11: 0x0
R12: 0x0
R13: 0x7ffff7dd2620 --> 0xfbad2084
R14: 0x7fffffffd970 --> 0xffffffff
R15: 0x0
EFLAGS: 0x10246 (carry PARITY adjust ZERO sign trap INTERRUPT direction
overflow)
[-------------------------------------code-------------------------------------]
0x7ffff7a59bb8 <printf_positional+7784>:
jmp 0x7ffff7a59099 <printf_positional+4937>
0x7ffff7a59bbd <printf_positional+7789>: test r8d,r8d
0x7ffff7a59bc0 <printf_positional+7792>:
jne 0x7ffff7a59f49 <printf_positional+8697>
=> 0x7ffff7a59bc6 <printf_positional+7798>: mov DWORD PTR [rax],r15d
0x7ffff7a59bc9 <printf_positional+7801>:
jmp 0x7ffff7a583d2 <printf_positional+1666>
0x7ffff7a59bce <printf_positional+7806>:
mov DWORD PTR [rbp-0x4e0],r11d
0x7ffff7a59bd5 <printf_positional+7813>:
mov QWORD PTR [rbp-0x4d0],rcx
0x7ffff7a59bdc <printf_positional+7820>: mov esi,0x2b
[------------------------------------stack-------------------------------------]
0000| 0x7fffffffd840 --> 0xffffe480
0008| 0x7fffffffd848 --> 0x4005ec --> 0x3b031b0100000000
0016| 0x7fffffffd850 --> 0xffffffff
0024| 0x7fffffffd858 --> 0x7fffffffdda0 --> 0x7fffffffe350 --> 0x7fffffffe450
--> 0x400560 (<__libc_csu_init>: push r15)
0032| 0x7fffffffd860 --> 0xe
0040| 0x7fffffffd868 --> 0x7ffff7a57e29 (<printf_positional+217>: mov
r15,QWORD PTR [r14+0x20])
0048| 0x7fffffffd870 --> 0x7fffffffd95c --> 0xffffd97000000000
0056| 0x7fffffffd878 --> 0x7fffffffd940 --> 0x1bfb10
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
Otherwise, "%1$s%1$d" can also cause a Segmentation fault.
I think problem is the type promotion, vfprintf confirm every parameter's type
firstly, so when to handle %1$n, the parameter is considered as a integer
because of the %1$d. Based on this, "%1$s%1$lld" is perfectly right, and
"%1$d%1$n" is also right.
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>From glibc-bugs-return-42659-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 24 12:37:40 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23446] vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s and %m$d" to a same parameter.
Date: Tue, 24 Jul 2018 12:37:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Arguments must match the expected type. %n expects a pointer.
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>From glibc-bugs-return-42660-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 24 13:06:08 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23446] vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s and %m$d" to a same parameter.
Date: Tue, 24 Jul 2018 13:06:00 -0000
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--- Comment #2 from Ming Yuan <minhray3153 at 163 dot com> ---
n this foo.c, num is a 64 bits number, and it's also a writable address. When I
use "%1$n%1$d", it causes a Segmentation fault.
#include<stdio.h>
#include<stdint.h>
#include<stdlib.h>
int main()
{
int64_t num;
num = 0x7fffffffe480;
printf("%1$n%1$d",num);
return 0;
}
I compile foo.c on ubuntu 18.04 LTS（gcc foo.c -o foo, enable NX, PIE and FULL
RELRO）. Gdb information is as follows:
[----------------------------------registers-----------------------------------]
RAX: 0xffffe480
RBX: 0x7fffffffd840 --> 0xffffe480
RCX: 0x0
RDX: 0x17
RSI: 0x20 (' ')
RDI: 0x7ffff7a58bc0 (<printf_positional+3696>: mov rsi,QWORD PTR
[r14+0x38])
RBP: 0x7fffffffdda0 --> 0x7fffffffe350 --> 0x7fffffffe450 --> 0x400560
(<__libc_csu_init>: push r15)
RSP: 0x7fffffffd840 --> 0xffffe480
RIP: 0x7ffff7a59bc6 (<printf_positional+7798>: mov DWORD PTR [rax],r15d)
R8 : 0x0
R9 : 0x6e ('n')
R10: 0x6e ('n')
R11: 0x0
R12: 0x0
R13: 0x7ffff7dd2620 --> 0xfbad2084
R14: 0x7fffffffd970 --> 0xffffffff
R15: 0x0
EFLAGS: 0x10246 (carry PARITY adjust ZERO sign trap INTERRUPT direction
overflow)
[-------------------------------------code-------------------------------------]
0x7ffff7a59bb8 <printf_positional+7784>:
jmp 0x7ffff7a59099 <printf_positional+4937>
0x7ffff7a59bbd <printf_positional+7789>: test r8d,r8d
0x7ffff7a59bc0 <printf_positional+7792>:
jne 0x7ffff7a59f49 <printf_positional+8697>
=> 0x7ffff7a59bc6 <printf_positional+7798>: mov DWORD PTR [rax],r15d
0x7ffff7a59bc9 <printf_positional+7801>:
jmp 0x7ffff7a583d2 <printf_positional+1666>
0x7ffff7a59bce <printf_positional+7806>:
mov DWORD PTR [rbp-0x4e0],r11d
0x7ffff7a59bd5 <printf_positional+7813>:
mov QWORD PTR [rbp-0x4d0],rcx
0x7ffff7a59bdc <printf_positional+7820>: mov esi,0x2b
[------------------------------------stack-------------------------------------]
0000| 0x7fffffffd840 --> 0xffffe480
0008| 0x7fffffffd848 --> 0x4005ec --> 0x3b031b0100000000
0016| 0x7fffffffd850 --> 0xffffffff
0024| 0x7fffffffd858 --> 0x7fffffffdda0 --> 0x7fffffffe350 --> 0x7fffffffe450
--> 0x400560 (<__libc_csu_init>: push r15)
0032| 0x7fffffffd860 --> 0xe
0040| 0x7fffffffd868 --> 0x7ffff7a57e29 (<printf_positional+217>: mov
r15,QWORD PTR [r14+0x20])
0048| 0x7fffffffd870 --> 0x7fffffffd95c --> 0xffffd97000000000
0056| 0x7fffffffd878 --> 0x7fffffffd940 --> 0x1bfb10
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
Otherwise, "%1$s%1$d" can also cause a Segmentation fault.
I think problem is the type promotion, vfprintf confirm every parameter's type
firstly, so when to handle %1$n, the parameter is considered as a integer
because of the %1$d. Based on this, "%1$s%1$lld" is perfectly right, and
"%1$d%1$n" is also right.(In reply to Andreas Schwab from comment #1)
> Arguments must match the expected type. %n expects a pointer.
But num is a pointer. If I use printf("%1$n",num), it's working fine.
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Subject: [Bug stdio/23446] vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s and %m$d" to a same parameter.
Date: Tue, 24 Jul 2018 13:09:00 -0000
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--- Comment #3 from Ming Yuan <minhray3153 at 163 dot com> ---
(In reply to Andreas Schwab from comment #1)
> Arguments must match the expected type. %n expects a pointer.
But in my code, num is a pointer. If I use printf("%1$n",num), it's working
fine.
#include<stdio.h>
#include<stdint.h>
#include<stdlib.h>
int main()
{
int64_t num;
num = 0x7fffffffe480;
printf("%1$n%1$d",num);
return 0;
}
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Subject: [Bug stdio/23446] vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s and %m$d" to a same parameter.
Date: Tue, 24 Jul 2018 13:27:00 -0000
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--- Comment #4 from Ming Yuan <minhray3153 at 163 dot com> ---
(In reply to Andreas Schwab from comment #1)
> Arguments must match the expected type. %n expects a pointer.
Or I can use the poc:
int main(){
int n = 0;
printf("%1$n%1$d\n", &n);
}
n is a pointer, but it also causes a crash.
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Subject: [Bug stdio/23446] vfprintf() segfault with fmt "%m$n and %m$d" or "%m$s and %m$d" to a same parameter.
Date: Tue, 24 Jul 2018 13:34:00 -0000
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Try -Wall.
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/23447] New: echo w | grep '[a-z] not working in swedish locale
Date: Tue, 24 Jul 2018 13:44:00 -0000
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Bug ID: 23447
Summary: echo w | grep '[a-z] not working in swedish locale
Product: glibc
Version: 2.27
Status: UNCONFIRMED
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Priority: P2
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~/Git/glibc/build:1620> cat /etc/fedora-release
Fedora release 28 (Twenty Eight)
~/Git/glibc/build:1621> rpm -q glibc
glibc-2.27-19.fc28.x86_64
~/Git/glibc/build:1622> echo w | grep '[a-z]'
~/Git/glibc/build:1623> git status
HEAD frånkopplad vid glibc-2.27
Ändringar att checka in:
(använd "git reset HEAD <fil>..." för att ta bort från kö)
ändrad: ../localedata/locales/sv_SE
Ospårade filer:
(använd "git add <fil>..." för att ta med i det som skall checkas in)
./
../config.log
~/Git/glibc/build:1624> echo w | LD_LIBRARY_PATH=~/Git/glibc/build/ grep
'[a-z]'
w
~/Git/glibc/build:1625>
The update of sv_SE was made with the following command:
git checkout cae87e64dca14f50da7bbd99085c7f5e413ad0f8 localedata/locales/sv_SE
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Subject: [Bug libc/23448] New: Out of bounds access in IBM-1390 converter
Date: Tue, 24 Jul 2018 14:42:00 -0000
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Bug ID: 23448
Summary: Out of bounds access in IBM-1390 converter
Product: glibc
Version: 2.26
Status: NEW
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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This was revealed by gcc 9:
In file included from ibm1390.c:35:
../iconv/skeleton.c: In function ‘gconv’:
ibm1364.c:263:11: error: array subscript 1 is outside array bounds of ‘unsigned
char[4]’ [-Werror=array-bounds]
uint32_t ch_next = get32 (inptr + 4); \
^~~~~~~
ibm1364.c:321:5: note: in expansion of macro ‘SUB_COMBINED_UCS_TO_IBM13XX’
SUB_COMBINED_UCS_TO_IBM13XX; \
^~~~~~~~~~~~~~~~~~~~~~~~~~~
../iconv/loop.c:446:7: note: in expansion of macro ‘BODY’
BODY
^~~~
This is due to a missing MAX_NEEDED_INPUT definition for the TO_LOOP.
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Subject: [Bug libc/23448] Out of bounds access in IBM-1390 converter
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=21526a507df8f1b2e37492193a754534d8938c0b
commit 21526a507df8f1b2e37492193a754534d8938c0b
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Jul 24 14:08:34 2018 +0200
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
The IBM-1390 converter can consume/produce two UCS4 characters in each
loop.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
iconvdata/ibm1364.c | 2 ++
2 files changed, 8 insertions(+), 0 deletions(-)
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Subject: [Bug libc/23448] Out of bounds access in IBM-1390 converter
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.28.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug manual/23449] WCOREDUMP can be set without a coredump
Date: Tue, 24 Jul 2018 15:09:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1607938
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug manual/23449] New: WCOREDUMP can be set without a coredump
Date: Tue, 24 Jul 2018 15:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23449
Bug ID: 23449
Summary: WCOREDUMP can be set without a coredump
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P3
Component: manual
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: mtk.manpages at gmail dot com
Target Milestone: ---
Flags: security-
The manual currently says this:
-- Macro: int WCOREDUMP (int STATUS)
Preliminary: | MT-Safe | AS-Safe | AC-Safe | *Note POSIX Safety
Concepts::.
This macro returns a nonzero value if the child process terminated
and produced a core dump.
This should be clarified that a coredump may have been produced, but not in a
way visible to the calling process/current user.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/14092] Support C11 threads
Date: Tue, 24 Jul 2018 17:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=14092
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/c11-threads has been created
at 9d0a979e5ddcec8ede63b04364e4f5d442d04e14 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9d0a979e5ddcec8ede63b04364e4f5d442d04e14
commit 9d0a979e5ddcec8ede63b04364e4f5d442d04e14
Author: Rical Jasan <rj@2c3t.io>
Date: Tue Dec 6 20:47:02 2016 -0200
Add manual documentation for threads.h
This patch updates the manual and adds a new chapter to the manual,
explaining types macros, constants and functions defined by ISO C11
threads.h standard.
[BZ# 14092]
* manual/debug.texi: Update adjacent chapter name.
* manual/probes.texi: Likewise.
* manual/threads.texi (ISO C Threads): New section.
(POSIX Threads): Convert to a section.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0a07288b13c89dbbb1cac964891f5905a0919434
commit 0a07288b13c89dbbb1cac964891f5905a0919434
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 5 18:32:11 2016 -0200
nptl: Add test cases for ISO C11 threads
This patch adds to testsuite new test cases to test all new introduced
C11 threads functions, types and macros are tested.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Juan Manuel Torres Palma <jmtorrespalma@gmail.com>
[BZ #14092]
* nptl/Makefile (tests): Add new test files.
* nptl/tst-call-once.c : New file. Tests C11 functions and types.
* nptl/tst-cnd-basic.c: Likewise.
* nptl/tst-cnd-broadcast.c: Likewise.
* nptl/tst-cnd-timedwait.c: Likewise.
* nptl/tst-mtx-basic.c: Likewise.
* nptl/tst-mtx-recursive.c: Likewise.
* nptl/tst-mtx-timedlock.c: Likewise.
* nptl/tst-mtx-trylock.c: Likewise.
* nptl/tst-thrd-basic.c: Likewise.
* nptl/tst-thrd-detach.c: Likewise.
* nptl/tst-thrd-sleep.c: Likewise.
* nptl/tst-tss-basic.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6dd669bed2ebdd0303e880214f3907477fc72d1
commit c6dd669bed2ebdd0303e880214f3907477fc72d1
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 11:02:16 2017 -0300
nptl: Add abilist symbols for C11 threads
This patch adds the required abilist symbols for C11 thread support.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28]
(thrd_current, thrd_equal, thrd_sleep, thrd_yield): Add C11 thread
symbols.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist [[GLIBC_2.28]
(call_once, cnd_broadcast, cnd_destroy, cnd_init, cnd_signal,
cnd_timedwait, cnd_wait, mtx_destroy, mtx_init, mtx_lock,
mtx_timedlock, mtx_trylock, mtx_unlokc, thrd_create, thrd_detach,
thrd_exit, thrd_join, tss_create, tss_delete, tss_get, tss_set):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise.
ikewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist:
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78d401327f3bcbb06f5d6b388a967cae2ab42b43
commit 78d401327f3bcbb06f5d6b388a967cae2ab42b43
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 11:00:05 2017 -0300
nptl: Add C11 threads tss_* functions
This patch adds the tss_* definitions from C11 threads (ISO/IEC 9899:2011),
more specifically tss_create, tss_delete, tss_get, tss_set, and required
types.
Mostly of the definitions are composed based on POSIX conterparts,
including
tss_t (pthread_key_t).
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (thread_local): New macro.
(TSS_DTOR_ITERATIONS): Likewise.
(tss_t): New type.
(tss_dtor_t): Likewise.
(tss_create): New function.
(tss_get): Likewise.
(tss_set): Likewise.
(tss_delete): Likewise.
* nptl/Makefile (libpthread-routines): Add tss_create, tss_delete,
tss_get, and tss_set objects.
* nptl/Versions (libpthread) [GLIBC_2.28]: Likewise.
* nptl/tss_create.c: New file.
* nptl/tss_delete.c: Likewise.
* nptl/tss_get.c: Likewise.
* nptl/tss_set.c: Likewise.
* sysdeps/nptl/threads.h (thread_local): New define.
(TSS_DTOR_ITERATIONS): Likewise.
(tss_t): New typedef.
(tss_dtor_t): Likewise.
(tss_create): New prototype.
(tss_get): Likewise.
(tss_set): Likewise.
(tss_delete): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=918311a3a3c7679f40e2e95fcaa120f8c74ef479
commit 918311a3a3c7679f40e2e95fcaa120f8c74ef479
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:55:10 2017 -0300
nptl: Add C11 threads cnd_* functions
This patch adds the cnd_* definitions from C11 threads (ISO/IEC 9899:2011),
more specifically cnd_broadcast, cnd_destroy, cnd_init, cnd_signal,
cnd_timedwait, cnd_wait, and required types.
Mostly of the definitions are composed based on POSIX conterparts, and
cnd_t is also based on internal pthreads fields, but with distinct internal
layout to avoid possible issues with code interchange (such as trying to
pass
POSIX structure on C11 functions and to avoid inclusion of pthread.h). The
idea is to make it possible to share POSIX internal implementation for
mostly
of the code making adjust where only required.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (cnd_t): New type.
(cnd_init): New function.
(cnd_signal): Likewise.
(cnd_broadcast): Likewise.
(cnd_wait): Likewise.
(cnd_timedwait): Likewise.
(cnd_destroy): Likewise.
* nptl/Makefile (libpthread-routines): Add cnd_broadcast,
cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and cnd_wait
object.
* nptl/Versions (libpthread) [GLIBC_2.28]: Likewise.
* nptl/cnd_broadcast.c: New file.
* nptl/cnd_destroy.c: Likewise.
* nptl/cnd_init.c: Likewise.
* nptl/cnd_signal.c: Likewise.
* nptl/cnd_timedwait.c: Likewise.
* nptl/cnd_wait.c: Likewise.
* sysdeps/nptl/threads.h (cnd_t): New type.
(cnd_init): New prototype.
(cnd_signa): Likewise.
(cnd_broadcast): Likewise.
(cnd_wait): Likewise.
(cnd_timedwait): Likewise.
(cnd_destroy): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3c20a679b6e31af07542e56a446e2433fba53a7e
commit 3c20a679b6e31af07542e56a446e2433fba53a7e
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:49:51 2017 -0300
nptl: Add C11 threads call_once functions
This patch adds the call_* definitions from C11 threads (ISO/IEC
9899:2011),
more specifically call_once and required types.
Mostly of the definitions are composed based on POSIX conterparts,including
once_flag (pthread_once_t). The idea is to make possible to share POSIX
internal implementations for mostly of the code (and making adjustment only
when required).
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (ONCE_FLAG_INIT): New macro.
(once_flag): New type.
(call_once): New function.
* nptl/Makefile (libpthread-routines): Add call_once object.
* nptl/Versions (libphread) [GLIBC_2.28]: Add call_once symbol.
* nptl/call_once.c: New file.
* sysdeps/nptl/threads.h (ONCE_FLAG_INIT): New define.
(once_flag): New type.
(call_once): New prototype.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=18d59c1b36e97d438ed964eb483c119517c18fee
commit 18d59c1b36e97d438ed964eb483c119517c18fee
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:45:04 2017 -0300
nptl: Add C11 threads mtx_* functions
This patch adds the mtx_* definitions from C11 threads (ISO/IEC 9899:2011),
more specifically mtx_init, mtx_destroy, mtx_lock, mtx_timedlock,
mtx_trylock,
mtx_unlock, and required types.
Mostly of the definitions are composed based on POSIX conterparts, and
mtx_t
is also based on internal pthread fields, but with a distinct internal
layout
to avoid possible issues with code interchange (such as trying to pass
POSIX
structure on C11 functions and to avoid inclusion of pthread.h). The idea
is to make possible to share POSIX internal implementations for mostly of
the code (and making adjustment only when required).
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/data/threads.h-data (mtx_plain): New constant.
(mtx_recursive): Likewise.
(mtx_timed): Likewise.
(mtx_t): New type.
(mtx_init): New function.
(mtx_lock): Likewise.
(mtx_timedlock): Likewise.
(mtx_trylock): Likewise.
(mtx_unlock): Likewise.
(mtx_destroy): Likewise.
* nptl/Makefile (libpthread-routines): Add mtx_destroy, mtx_init,
mtx_lock, mtx_timedlock, mtx_trylock, and mtx_unlock object.
* nptl/Versions (libpthread) [GLIBC_2.28]): Add mtx_init, mtx_lock,
mtx_timedlock, mtx_trylock, mtx_unlock, and mtx_destroy.
* nptl/mtx_destroy.c: New file.
* nptl/mtx_init.c: Likewise.
* nptl/mtx_lock.c: Likewise.
* nptl/mtx_timedlock.c: Likewise.
* nptl/mtx_trylock.c: Likewise.
* nptl/mtx_unlock.c: Likewise.
* sysdeps/nptl/threads.h (mtx_plain): New enumeration.
(mtx_recursive): Likewise.
(mtx_timed): Likewise.
(mtx_t): New type.
(mtx_init): New prototype.
(mtx_lock): Likewise.
(mtx_timedlock): Likewise.
(mtx_trylock): Likewise.
(mtx_unlock): Likewise.
(mtx_destroy): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce7528f637f7b9cddb3c22081d7e09b2a26c89bf
commit ce7528f637f7b9cddb3c22081d7e09b2a26c89bf
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jun 27 10:29:29 2017 -0300
nptl: Add C11 threads thrd_* functions
This patch adds the thrd_* definitions from C11 threads (ISO/IEC
9899:2011),
more specifically thrd_create, thrd_curent, rhd_detach, thrd_equal,
thrd_exit, thrd_join, thrd_sleep, thrd_yield, and required types.
Mostly of the definitions are composed based on POSIX conterparts, such as
thrd_t (using pthread_t). For thrd_* function internally direct
POSIX pthread call are used with the exceptions:
1. thrd_start uses pthread_create internal implementation, but changes
how to actually calls the start routine. This is due the difference
in signature between POSIX and C11, where former return a 'void *'
and latter 'int'.
To avoid calling convention issues due 'void *' to int cast, routines
from C11 threads are started slight different than default pthread
one.
Explicit cast to expected return are used internally on pthread_create
and the result is stored back to void also with an explicit cast.
2. thrd_sleep uses nanosleep internal direct syscall to avoid clobbering
errno and to handle expected standard return codes. It is a
cancellation entrypoint to be consistent with both thrd_join and
cnd_{timed}wait.
3. thrd_yield also uses internal direct syscall to avoid errno
clobbering.
Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu,
arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu,
powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu,
and x86_64-linux-gnu).
Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu,
i686-linux-gnu,
arm-linux-gnueabhf, and powerpc64le-linux-gnu.
[BZ #14092]
* conform/Makefile (conformtest-headers-ISO11): Add threads.h.
(linknamespace-libs-ISO11): Add libpthread.a.
* conform/data/threads.h-data: New file: add C11 thrd_* types and
functions.
* include/stdc-predef.h (__STDC_NO_THREADS__): Remove definition.
* nptl/Makefile (headers): Add threads.h.
(libpthread-routines): Add new C11 thread thrd_create, thrd_current,
thrd_detach, thrd_equal, thrd_exit, thrd_join, thrd_sleep, and
thrd_yield.
* nptl/Versions (libpthread) [GLIBC_2.28]): Add new C11 thread
thrd_create, thrd_current, thrd_detach, thrd_equal, thrd_exit,
thrd_join, thrd_sleep, and thrd_yield symbols.
* nptl/descr.h (struct pthread): Add c11 field.
* nptl/pthreadP.h (ATTR_C11_THREAD): New define.
* nptl/pthread_create.c (START_THREAD_DEFN): Call C11 thread start
routine with expected function prototype.
(__pthread_create_2_1): Add C11 threads check based on attribute
value.
* sysdeps/unix/sysdep.h (INTERNAL_SYSCALL_CANCEL): New macro.
* nptl/thrd_create.c: New file.
* nptl/thrd_current.c: Likewise.
* nptl/thrd_detach.c: Likewise.
* nptl/thrd_equal.c: Likewise.
* nptl/thrd_exit.c: Likewise.
* nptl/thrd_join.c: Likewise.
* nptl/thrd_priv.h: Likewise.
* nptl/thrd_sleep.c: Likewise.
* nptl/thrd_yield.c: Likewise.
* include/threads.h: Likewise.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/14092] Support C11 threads
Date: Tue, 24 Jul 2018 19:03:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.28
--- Comment #10 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Implemented upstream by:
9d0a979 Add manual documentation for threads.h
0a07288 nptl: Add test cases for ISO C11 threads
c6dd669 nptl: Add abilist symbols for C11 threads
78d4013 nptl: Add C11 threads tss_* functions
918311a nptl: Add C11 threads cnd_* functions
3c20a67 nptl: Add C11 threads call_once functions
18d59c1 nptl: Add C11 threads mtx_* functions
ce7528f nptl: Add C11 threads thrd_* functions
It will be included in 2.28.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23447] echo w | grep '[a-z] not working in swedish locale
Date: Tue, 24 Jul 2018 19:27:00 -0000
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----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-07-24
CC| |carlos at redhat dot com
Ever confirmed|0 |1
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Jakob sellgren from comment #0)
> ~/Git/glibc/build:1624> echo w | LD_LIBRARY_PATH=~/Git/glibc/build/ grep
> '[a-z]'
You cannot test like this. This uses the new library with the old locale data.
When the locale data format changes this will fall back to C/POSIX for locales.
You need to recompile the locale in question and then use the appropriate
LOCPATH and LC_ALL settings to use the new locale.
For details please see:
https://sourceware.org/glibc/wiki/Locales#Testing_Locales
Could you please retest?
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To: glibc-bugs@sourceware.org
Subject: [Bug manual/23449] WCOREDUMP can be set without a coredump
Date: Tue, 24 Jul 2018 19:40:00 -0000
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----------------------------------------------------------------------------
CC| |eblake at redhat dot com
--- Comment #1 from Eric Blake <eblake at redhat dot com> ---
It's more than whether the calling process can observe the core (such as when
the kernel is directed to create dumps in a directory inaccessible to the
caller, or even pass the dump to a pipeline). In fact, the wording should
mention that this condition is set even if a core dump was not produced at all
(such as setrlimit() setting RLIMIT_CORE to 0, or the current working directory
being read-only when the kernel is configured to dump in-directory, or ...).
Thus, this condition merely reports if a core dump WOULD be generated, prior to
whether other environmental considerations actually resulted in the generation
of the dump.
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Subject: [Bug stdio/23432] missing thousands separator in printf output for leading zeros of integers
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From: "eblake at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Tue, 24 Jul 2018 20:01:00 -0000
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--- Comment #30 from Eric Blake <eblake at redhat dot com> ---
(In reply to Florian Weimer from comment #12)
> I find it very dubious that the current implementation of ranges is useful
> for anything at all, exception implementation convenience (as it's what we
> have today).
>
> Two possible improvements come to my mind:
>
> (a) If the both ranges are ASCII, match only ASCII characters.
>
> (b) Ranges include all characters with the same primary collation weight as
> the endpoints.
>
> It's possible to implement both, with (a) superseding (b). I'm not sure if
> today, range expressions can match collating elements consisting of multiple
> characters, in which case the following variant might be less surprising:
>
> (b') Ranges include all collating elements with the same primary weight as
> the endpoints.
>
> Both approaches are conforming to POSIX because ranges in other locales are
> undefined anyway. As far as I can see, available user feedback suggests
> that (a) is the expected behavior.
Well, close to (a), at any rate. You're looking for Rational Range
Interpretation, which has been picked up by several GNU tools already (awk,
coreutils, sed, bash, ...)
>
> I think some tools actually implement (a) already because we went through
> this fifteen years ago or something like that, but I can't find the historic
> discussion.
GNU awk has a whole section on this:
https://www.gnu.org/software/gawk/manual/html_node/Ranges-and-Locales.html
http://austingroupbugs.net/view.php?id=1078 and nearby discussion on the Austin
Group list may also be relevant to the discussion (namely, that if [[:digit:]]
corresponds to the locale and ctype definition of isdigit(), it MUST be exactly
10 characters in ALL locales, and not add any non-ASCII-but-Unicode-digits,
because doing that violates the principle of least surprise.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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--- Comment #31 from Eric Blake <eblake at redhat dot com> ---
(In reply to Florian Weimer from comment #14)
> (In reply to Rich Felker from comment #13)
> > I think bracket range expressions should just always be codepoint ranges.
> > They can't reliably be used for anything else (since the behavior isn't
> > specified), but anything else severely violates the principle of least
> > surprise.
>
> Codepoint-based ranges would address my concerns.
>
> I was just trying to come up with something that would open a backdoor to
> get access to collation-order-based ranges in case they are needed (because
> some people seem to like them). But I can't see a useful application for
> them, either.
If you NEED collation-order-based range, we could spell it [[.0.]-[.9.]] (that
is, the range between the two collating sequences.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Tue, 24 Jul 2018 20:07:00 -0000
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--- Comment #32 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Eric Blake from comment #30)
> (In reply to Florian Weimer from comment #12)
> > I find it very dubious that the current implementation of ranges is useful
> > for anything at all, exception implementation convenience (as it's what we
> > have today).
> >
> > Two possible improvements come to my mind:
> >
> > (a) If the both ranges are ASCII, match only ASCII characters.
> >
> > (b) Ranges include all characters with the same primary collation weight as
> > the endpoints.
> >
> > It's possible to implement both, with (a) superseding (b). I'm not sure if
> > today, range expressions can match collating elements consisting of multiple
> > characters, in which case the following variant might be less surprising:
> >
> > (b') Ranges include all collating elements with the same primary weight as
> > the endpoints.
> >
> > Both approaches are conforming to POSIX because ranges in other locales are
> > undefined anyway. As far as I can see, available user feedback suggests
> > that (a) is the expected behavior.
>
> Well, close to (a), at any rate. You're looking for Rational Range
> Interpretation, which has been picked up by several GNU tools already (awk,
> coreutils, sed, bash, ...)
Yes, I finally found the old discussion, see comment 26. 8-)
Do you know why bash doesn't default to it, and you have to enable it using
“shopt -s globasciiranges�
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From: "kaleem.beg at ge dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23450] New: Unable to fetch from release/2.26/master
Date: Tue, 24 Jul 2018 20:09:00 -0000
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Bug ID: 23450
Summary: Unable to fetch from release/2.26/master
Product: glibc
Version: 2.26
Status: UNCONFIRMED
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Reporter: kaleem.beg at ge dot com
CC: carlos at redhat dot com
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Hi, I am trying to build the rocko version of poky, which pulls
release/2.26/master from
https://sourceware.org/git/?p=glibc.git;a=commit;h=d300041c533a3d837c9f37a099bcc95466860e98
but I get a fetch error as if the source code is not available. I tried other
commits from 2.26 but they didn't work either.
However I am able to fetch from the 2.25 release/2.25/master
commit#:
db0242e3023436757bbc7c488a779e6e3343db04
Why I am not able to fetch the 2.26 version?
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Tue, 24 Jul 2018 20:20:00 -0000
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--- Comment #33 from Eric Blake <eblake at redhat dot com> ---
(In reply to Florian Weimer from comment #32)
> > Well, close to (a), at any rate. You're looking for Rational Range
> > Interpretation, which has been picked up by several GNU tools already (awk,
> > coreutils, sed, bash, ...)
>
> Yes, I finally found the old discussion, see comment 26. 8-)
>
> Do you know why bash doesn't default to it, and you have to enable it using
> “shopt -s globasciiranges�
I'm guessing Chet was worried about potential backwards-compatibility issues,
so he made an option rather than switching the default right away. I'm also
wondering whether distros should pre-enable that shopt as part of their tweaks
to the defaults used by their flavor of bash (along with any other defaults
they tweak), if it would help matters.
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |WORKSFORME
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to kaleem.beg from comment #0)
> Hi, I am trying to build the rocko version of poky, which pulls
> release/2.26/master from
> https://sourceware.org/git/?p=glibc.git;a=commit;
> h=d300041c533a3d837c9f37a099bcc95466860e98
>
> but I get a fetch error as if the source code is not available. I tried
> other commits from 2.26 but they didn't work either.
>
> However I am able to fetch from the 2.25 release/2.25/master
>
> commit#:
> db0242e3023436757bbc7c488a779e6e3343db04
>
> Why I am not able to fetch the 2.26 version?
No idea. Works for me. Keep in mind that anonymous checkouts are rate limited
to prevent resources issues with the git server.
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Subject: [Bug locale/23447] echo w | grep '[a-z] not working in swedish locale
Date: Wed, 25 Jul 2018 04:29:00 -0000
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--- Comment #2 from Jakob sellgren <jakob_sellgren at yahoo dot se> ---
$> LOCALE=sv_SE
$> export LOCPATH=$HOME/tmp/locale-test
$> mkdir -p $LOCPATH
$> I18NPATH=~/git_projects/glibc/localedata/ localedef -f UTF-8 -i $LOCALE
$LOCPATH/$LOCALE.UTF-8
$> ls -l ~/tmp/locale-test/
totalt 4
drwxrwxr-x 3 jakob jakob 4096 25 jul 05.59 sv_SE.UTF-8/
$> echo w | grep '[a-z]'
w
$> unset LOCPATH
$> echo w | grep '[a-z]'
So it works with LOCPATH set, but not unset (I haven't studied the locale that
much to see what is wrong here).
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
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Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
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David Faure <faure at kde dot org> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from David Faure <faure at kde dot org> ---
Bug originally found in glibc 2.22, still present in 2.26.
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David Faure <faure at kde dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|check_pf caches "ipv6 seen, |getaddrinfo: check_pf
|ipv4 not seen" and any DNS |caches "ipv6 seen, ipv4 not
|lookup fails until |seen" and any DNS lookup
|restarting the process |fails until restarting the
|(race condition) |process
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>From glibc-bugs-return-42685-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 25 08:51:03 2018
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c79cec8cd2a6996a73aa83d79b360ffd4bebde6
commit 9c79cec8cd2a6996a73aa83d79b360ffd4bebde6
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Jul 24 18:02:28 2018 +0200
Fix out of bounds access in findidxwc (bug 23442)
If usrc is a prefix of cp but one character shorter an out of bounds
access to usrc was done.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
locale/weightwc.h | 6 +++---
2 files changed, 9 insertions(+), 3 deletions(-)
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Version|2.27 |2.26
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.28.
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>From glibc-bugs-return-42687-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 25 12:13:25 2018
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
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--- Comment #2 from kaleem.beg at ge dot com ---
Hi Carlos, are you building for yocto rocko?
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>From glibc-bugs-return-42688-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 25 13:41:07 2018
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to kaleem.beg from comment #2)
> Hi Carlos, are you building for yocto rocko?
No, I'm just checking out the tree directly from the git server to prove it
works. If your yocto build fails you'll need to figure out why. I'm just
showing that there is nothing wrong with the git server or the branch.
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Subject: [Bug locale/23447] echo w | grep '[a-z] not working in swedish locale
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Jakob sellgren from comment #2)
> $> LOCALE=sv_SE
> $> export LOCPATH=$HOME/tmp/locale-test
> $> mkdir -p $LOCPATH
> $> I18NPATH=~/git_projects/glibc/localedata/ localedef -f UTF-8 -i $LOCALE
> $LOCPATH/$LOCALE.UTF-8
> $> ls -l ~/tmp/locale-test/
> totalt 4
> drwxrwxr-x 3 jakob jakob 4096 25 jul 05.59 sv_SE.UTF-8/
> $> echo w | grep '[a-z]'
> w
> $> unset LOCPATH
> $> echo w | grep '[a-z]'
>
> So it works with LOCPATH set, but not unset (I haven't studied the locale
> that much to see what is wrong here).
Perfect, that is working as intended then, you must set LOCPATH and you must
use the new locale that comes with the library. You cannot upgrade the library
and use old binary locales, all of the old binary locales need to be recompiled
to match the new library.
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
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kaleem.beg at ge dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|WORKSFORME |---
--- Comment #4 from kaleem.beg at ge dot com ---
Hi Carlos, It seems to happen between these two commits, not sure why. Do you
know what might have changed between the two?
glibc 2.26, Aug 9 2017, 82efa1ffd43bed1494d20a4b86f6b15ac6bb5545 WORKS
glibc 2.26, Aug 10 2017, 302434688d925134065498b4a5574f6ee6bfb9fd DOES NOT WORK
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Subject: [Bug libc/23452] New: Add __get_cpu_kind/__get_cpuid_registers/__get_arch_feature
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Bug ID: 23452
Summary: Add
__get_cpu_kind/__get_cpuid_registers/__get_arch_featur
e
Product: glibc
Version: 2.29
Status: NEW
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CC: drepper.fsp at gmail dot com
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Target: i386,x86-64
It is quite tedious to properly get the CPU features at run-time. Glibc
does have such info. But __get_cpu_features is exported only as the part
of the glibc internal interface. One problem is the current interface
struct cpu_features
{
enum cpu_features_kind
{
arch_kind_unknown = 0,
arch_kind_intel,
arch_kind_amd,
arch_kind_other
} kind;
int max_cpuid;
struct cpuid_registers
{
unsigned int eax;
unsigned int ebx;
unsigned int ecx;
unsigned int edx;
} cpuid[COMMON_CPUID_INDEX_MAX];
unsigned int family;
unsigned int model;
/* The state size for XSAVEC or XSAVE. The type must be unsigned long
int so that we use
sub xsave_state_size_offset(%rip) %RSP_LP
in _dl_runtime_resolve. */
unsigned long int xsave_state_size;
/* The full state size for XSAVE when XSAVEC is disabled by
GLIBC_TUNABLES=glibc.tune.hwcaps=-XSAVEC_Usable
*/
unsigned int xsave_state_full_size;
unsigned int feature[FEATURE_INDEX_MAX];
/* Data cache size for use in memory and string routines, typically
L1 size. */
unsigned long int data_cache_size;
/* Shared cache size for use in memory and string routines, typically
L2 or L3 size. */
unsigned long int shared_cache_size;
/* Threshold to use non temporal store. */
unsigned long int non_temporal_threshold;
};
/* Used from outside of glibc to get access to the CPU features
structure. */
extern const struct cpu_features *__get_cpu_features (void)
__attribute__ ((const));
makes it harder to extend struct cpu_feature and maintain binary compatibilty
at the same time.
I am proposing a new interface with
Add
enum cpu_features_kind
{
arch_kind_unknown = 0,
arch_kind_intel,
arch_kind_amd,
arch_kind_other
};
struct cpuid_registers
{
unsigned int eax;
unsigned int ebx;
unsigned int ecx;
unsigned int edx;
};
extern enum cpu_features_kind __get_cpu_kind (void)
__attribute__ ((const));
extern const struct cpuid_registers *__get_cpuid_registers
(unsigned int) __attribute__ ((const));
extern unsigned int __get_arch_feature (unsigned int)
__attribute__ ((const));
/* HAS_* evaluates to true if we may use the feature at runtime. */
# define HAS_CPU_FEATURE(name) \
((__get_cpuid_registers (index_cpu_##name)->reg_##name \
& (bit_cpu_##name)) != 0)
# define HAS_ARCH_FEATURE(name) \
((__get_arch_feature (index_arch_##name) & (bit_arch_##name)) != 0)
One can do
#include <cpu-features.h>
...
if (HAS_CPU_FEATURE (SSE2))
printf (" SSE2\n");
if (HAS_CPU_FEATURE (AVX))
printf (" AVX\n");
if (HAS_CPU_FEATURE (AVX2))
printf (" AVX2\n");
if (HAS_CPU_FEATURE (FMA))
printf (" FMA\n");
if (HAS_CPU_FEATURE (AVX512F))
printf (" AVX512F\n");
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>From glibc-bugs-return-42692-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 25 21:32:32 2018
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Wed, 25 Jul 2018 21:32:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7cd7d36f1feb3ccacf476e909b115b45cdd46e77
commit 7cd7d36f1feb3ccacf476e909b115b45cdd46e77
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Jul 25 17:00:45 2018 -0400
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
In commit 9479b6d5e08eacce06c6ab60abc9b2f4eb8b71e4 we updated all of
the collation data to harmonize with the new version of ISO 14651
which is derived from Unicode 9.0.0. This collation update brought
with it some changes to locales which were not desirable by some
users, in particular it altered the meaning of the
locale-dependent-range regular expression, namely [a-z] and [A-Z], and
for en_US it caused uppercase letters to be matched by [a-z] for the
first time. The matching of uppercase letters by [a-z] is something
which is already known to users of other locales which have this
property, but this change could cause significant problems to en_US
and other similar locales that had never had this change before.
Whether this behaviour is desirable or not is contentious and GNU Awk
has this to say on the topic:
https://www.gnu.org/software/gawk/manual/html_node/Ranges-and-Locales.html
While the POSIX standard also has this further to say: "RE Bracket
Expression":
http://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap09.html
"The current standard leaves unspecified the behavior of a range
expression outside the POSIX locale. ... As noted above, efforts were
made to resolve the differences, but no solution has been found that
would be specific enough to allow for portable software while not
invalidating existing implementations."
In glibc we implement the requirement of ISO POSIX-2:1993 and use
collation element order (CEO) to construct the range expression, the
API internally is __collseq_table_lookup(). The fact that we use CEO
and also have 4-level weights on each collation rule means that we can
in practice reorder the collation rules in iso14651_t1_common (the new
data) to provide consistent range expression resolution *and* the
weights should maintain the expected total order. Therefore this
patch does three things:
* Reorder the collation rules for the LATIN script in
iso14651_t1_common to deinterlace uppercase and lowercase letters in
the collation element orders.
* Adds new test data en_US.UTF-8.in for sort-test.sh which exercises
strcoll* and strxfrm* and ensures the ISO 14651 collation remains.
* Add back tests to tst-fnmatch.input and tst-regexloc.c which
exercise that [a-z] does not match A or Z.
The reordering of the ISO 14651 data is done in an entirely mechanical
fashion using the following program attached to the bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c28
It is up for discussion if the iso14651_t1_common data should be
refined further to have 3 very tight collation element ranges that
include only a-z, A-Z, and 0-9, which would implement the solution
sought after in:
https://sourceware.org/bugzilla/show_bug.cgi?id=23393#c12
and implemented here:
https://www.sourceware.org/ml/libc-alpha/2018-07/msg00854.html
No regressions on x86_64.
Verified that removal of the iso14651_t1_common change causes tst-fnmatch
to regress with:
422: fnmatch ("[a-z]", "A", 0) = 0 (FAIL, expected FNM_NOMATCH) ***
...
425: fnmatch ("[A-Z]", "z", 0) = 0 (FAIL, expected FNM_NOMATCH) ***
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +
localedata/Makefile | 1 +
localedata/locales/iso14651_t1_common | 1928 ++++++++++++++++----------------
posix/tst-fnmatch.input | 125 ++-
posix/tst-regexloc.c | 8 +-
5 files changed, 1065 insertions(+), 1008 deletions(-)
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>From glibc-bugs-return-42693-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Jul 25 21:49:52 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Wed, 25 Jul 2018 21:49:00 -0000
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Define "DOES NOT WORK".
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 26 Jul 2018 01:21:00 -0000
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--- Comment #35 from Carlos O'Donell <carlos at redhat dot com> ---
As a temprary measure I have committed the deinterleaving of upper and lower
cases in iso14651_t1_common for glibc 2.28 to fix the surprises caused to
en_US.UTF-8 users who do not want to have [a-z] match A-Y.
This fixes the regression for 2.28, but doesn't fix this issue.
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Thu, 26 Jul 2018 02:33:00 -0000
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--- Comment #36 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=49dddc3e99a69ecaa022ce703566b9abea2834c5
commit 49dddc3e99a69ecaa022ce703566b9abea2834c5
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Jul 25 21:58:10 2018 -0400
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Commit 7cd7d36f1feb3ccacf476e909b115b45cdd46e77 failed to include
the new testing file en_US.UTF-8.in.
-----------------------------------------------------------------------
Summary of changes:
localedata/en_US.UTF-8.in | 2159 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 2159 insertions(+), 0 deletions(-)
create mode 100644 localedata/en_US.UTF-8.in
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>From glibc-bugs-return-42696-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 26 03:34:26 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Thu, 26 Jul 2018 03:34:00 -0000
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--- Comment #6 from kaleem.beg at ge dot com ---
I am building rocko version of yocto. When I point to the the following commit,
the git fetch operation fails, that is what I meant by "DOES NOT WORK"
glibc 2.26, Aug 10 2017, 302434688d925134065498b4a5574f6ee6bfb9fd
Thanks
Kaleem
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to kaleem.beg from comment #6)
> I am building rocko version of yocto. When I point to the the following
> commit, the git fetch operation fails, that is what I meant by "DOES NOT
> WORK"
>
> glibc 2.26, Aug 10 2017, 302434688d925134065498b4a5574f6ee6bfb9fd
How does it fail? What errors does git give? Exactly which command did you run?
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
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--- Comment #8 from kaleem.beg at ge dot com ---
Hi Carlos, this is the error I am getting for commit
db0242e3023436757bbc7c488a779e6e3343db04:
ERROR: glibc-initial-2.26-r0 do_fetch: Fetcher failure: Fetch command export
PSEUDO_DISABLED=1; export
DBUS_SESSION_BUS_ADDRESS="unix:abstract=/tmp/dbus-zz75Bh5S3p"; export
SSH_AUTH_SOCK="/run/user/1000/keyring/ssh"; export
no_proxy="localhost,127.0.0.1,.ge.com"; export
https_proxy="http://PITC.proxy.corporate.ge.com:80"; export
http_proxy="http://PITC.proxy.corporate.ge.com:80"; export
PATH="/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux.gcc-cross-initial-aarch64:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/sysroots-uninative/x86_64-linux/usr/bin:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/scripts:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot/usr/bin/crossscripts:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot-native/usr/sbin:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot-native/usr/bin:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot-native/sbin:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/work/aarch64-poky-linux/glibc-initial/2.26-r0/recipe-sysroot-native/bin:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/bitbake/bin:/home/mca/Desktop/projects/FM_2018.2/BSP/poky/build/tmp/hosttools";
export HOME="/home/mca"; LANG=C git -c core.fsyncobjectfiles=0 fetch -f --prune
--progress git://sourceware.org/git/glibc.git refs/*:refs/* failed with exit
code 128, output:
From https://sourceware.org/git/glibc
x [deleted] (none) -> azanella/c11-threads
x [deleted] (none) -> azanella/glob-fixes
x [deleted] (none) -> azanella/master-not-cancel
x [deleted] (none) -> fw/extend_alloca
x [deleted] (none) -> fw/syscall-list
x [deleted] (none) -> hjl/benchtests/master
x [deleted] (none) -> hjl/cet/pr21598
x [deleted] (none) -> hjl/cet/property
x [deleted] (none) -> hjl/cet/setjmp
x [deleted] (none) -> hjl/cpuid/2.21
x [deleted] (none) -> hjl/cpuid/2.22
x [deleted] (none) -> hjl/cpuid/master
x [deleted] (none) -> hjl/pie/static
x [deleted] (none) -> hjl/pr12189
x [deleted] (none) -> hjl/pr18645
x [deleted] (none) -> hjl/pr18858/master
x [deleted] (none) -> hjl/pr19776/master
x [deleted] (none) -> hjl/pr20139/master
x [deleted] (none) -> hjl/pr20314
x [deleted] (none) -> hjl/pr21265/xsavec
x [deleted] (none) -> hjl/pr21609/master
x [deleted] (none) -> hjl/tunables/master
x [deleted] (none) -> local_glibc-2.25
x [deleted] (none) -> origin/ibm/2.8/master
x [deleted] (none) -> origin/release/2.25/master
x [deleted] (none) -> zack/build-many-improvements
x [deleted] (none) -> zack/dont-install-libio-h
x [deleted] (none) -> zack/jda-hppa-patch
error: Unable to get pack index
https://sourceware.org/git/glibc.git/objects/pack/pack-efa1f26f4d23ce481142ea6e40f725253e650b54.idx
error: Unable to find 66f277a3a40f369ca8e583d410f5f7771da5aa61 under
https://sourceware.org/git/glibc.git
Cannot obtain needed object 66f277a3a40f369ca8e583d410f5f7771da5aa61
error: fetch failed.
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Thu, 26 Jul 2018 12:59:00 -0000
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--- Comment #9 from Andreas Schwab <schwab@linux-m68k.org> ---
Make sure your proxy doesn't block the URL.
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Thu, 26 Jul 2018 13:16:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #10 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to kaleem.beg from comment #8)
> Hi Carlos, this is the error I am getting for commit
> db0242e3023436757bbc7c488a779e6e3343db04:
You are doing much more than that.
You have a bare repository and you are syncing it with upstream.
> LANG=C git -c core.fsyncobjectfiles=0 fetch -f --prune
> --progress git://sourceware.org/git/glibc.git refs/*:refs/*
This works just fine for me from a --bare cloned repo.
Perhaps the bare repository you are starting out with is somehow broken?
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Thu, 26 Jul 2018 13:32:00 -0000
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--- Comment #11 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to kaleem.beg from comment #8)
> Hi Carlos, this is the error I am getting for commit
> db0242e3023436757bbc7c488a779e6e3343db04:
> [...]
> LANG=C git -c core.fsyncobjectfiles=0 fetch -f --prune
> --progress git://sourceware.org/git/glibc.git refs/*:refs/* failed with exit
> code 128, output:
> From https://sourceware.org/git/glibc
> [...]
> error: Unable to get pack index
> https://sourceware.org/git/glibc.git/objects/pack/pack-
> efa1f26f4d23ce481142ea6e40f725253e650b54.idx
> error: Unable to find 66f277a3a40f369ca8e583d410f5f7771da5aa61 under
> https://sourceware.org/git/glibc.git
> Cannot obtain needed object 66f277a3a40f369ca8e583d410f5f7771da5aa61
> error: fetch failed.
Note the contradiction in the cited output: the first command uses git://
protocol while the error comes from https:// protocol.
This looks like a local misconfiguration on your side.
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>From glibc-bugs-return-42702-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 26 13:49:32 2018
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From: "kaleem.beg at ge dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Thu, 26 Jul 2018 13:49:00 -0000
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--- Comment #12 from kaleem.beg at ge dot com ---
If it was an issue with local config, then how come this commit works just fine
for release 2.26. That is confusing.
1c9a5c270d8b66f30dcfaf1cb2d6cf39d3e18369
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>From glibc-bugs-return-42703-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 26 15:22:14 2018
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Subject: [Bug build/23450] Unable to fetch from release/2.26/master
Date: Thu, 26 Jul 2018 15:22:00 -0000
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--- Comment #13 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Thu, 26 Jul 2018, ldv at sourceware dot org wrote:
> Note the contradiction in the cited output: the first command uses git://
> protocol while the error comes from https:// protocol.
> This looks like a local misconfiguration on your side.
Indeed. glibc does not support https:// URLs for accessing git objects
(only for repository browsing). git access must be through git://, or ssh
with write access. Any attempt to use https:// to access the repository
is user error as we don't document it at
<https://sourceware.org/glibc/wiki/GlibcGit>.
It's possible that at some point in the past someone did some setup on
some sourceware repositories to make objects available to be served by the
web server (the *dumb* http transport). If so, it's never been documented
as supported for glibc and I'm pretty sure the smart http transport has
never been set up for git hosting on sourceware. So use git://
exclusively instead and don't attempt to use http for git access given
it's not documented.
Anyway, the https:// URL in your error message does exist (dumb http,
again), so clearly you have a problem with your local proxy and should
check out on an unfiltered connection with no proxy instead (but use
git:// exclusively to avoid any issues with dumb http transport). It is
to be expected that different commits are located in different packfiles,
and so if you have a broken proxy that prevents proper access to some
packfiles but not others, it may affect access to some commits but not
others.
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>From glibc-bugs-return-42704-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Jul 26 16:36:18 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23456] New: Wrong index_cpu_LZCNT
Date: Thu, 26 Jul 2018 16:36:00 -0000
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Bug ID: 23456
Summary: Wrong index_cpu_LZCNT
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: i386,x86-64
cpu-features.h has
#define bit_cpu_LZCNT (1 << 5)
# define index_cpu_LZCNT COMMON_CPUID_INDEX_1
# define reg_LZCNT ecx
But the LZCNT feature bit is in COMMON_CPUID_INDEX_80000001:
Initial EAX Value: 80000001H
ECX Extended Processor Signature and Feature Bits.
Reserved
Bit 00: LAHF/SAHF available in 64-bit mode
Bits 04-01: Reserved
Bit 05: LZCNT available
Bits 07-06: Reserved
Bit 08: PREFETCHW
Bits 31-09: Reserved
index_cpu_LZCNT should be COMMON_CPUID_INDEX_80000001.
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Subject: [Bug build/23458] New: tests-static := ignores static tests added by Makefiles under sysdeps
Date: Thu, 26 Jul 2018 17:24:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23458
Bug ID: 23458
Summary: tests-static := ignores static tests added by
Makefiles under sysdeps
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: carlos at redhat dot com
Target Milestone: ---
There are
elf/Makefile:tests-static := $(tests-static-normal) $(tests-static-internal)
malloc/Makefile:tests-static := \
misc/Makefile:tests-static := tst-empty
They may ignore static tests added by Makefiles under sysdeps:
sysdeps/powerpc/Makefile:tests-static += tst-tlsifunc-static
sysdeps/powerpc/Makefile:tests-static += test-get_hwcap-static
sysdeps/powerpc/powerpc64/Makefile:tests-static += tst-setjmp-bug21895-static
sysdeps/x86/Makefile:tests-static += tst-get-cpu-features-static
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Subject: [Bug build/23458] tests := ignores static tests added by Makefiles under sysdeps
Date: Thu, 26 Jul 2018 17:34:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|tests-static := ignores |tests := ignores static
|static tests added by |tests added by Makefiles
|Makefiles under sysdeps |under sysdeps
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It is "tests :=" which causes the problem:
assert/Makefile:tests := test-assert test-assert-perr tst-assert-c++
tst-assert-g++
conform/Makefile:conformtest-header-list-tests := $(addprefix $(objpfx),\
conform/Makefile:conformtest-header-tests := $(addprefix
$(objpfx),$(conformtest-header-base))
conform/Makefile:linknamespace-symlists-tests := $(addprefix $(objpfx),\
conform/Makefile:linknamespace-symlist-stdlibs-tests := \
conform/Makefile:linknamespace-header-tests := $(addprefix $(objpfx),\
crypt/Makefile:tests := cert md5c-test sha256c-test sha512c-test badsalttest
elf/Makefile:tests := tst-tls9 tst-leaks1 \
grp/Makefile:tests := testgrp tst-putgrent
inet/Makefile:tests := htontest test_ifindex tst-ntoa tst-ether_aton
tst-network \
login/Makefile:tests := tst-utmp tst-utmpx tst-grantpt tst-ptsname tst-getlogin
malloc/Makefile:tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack
\
misc/Makefile:tests := tst-dirname tst-tsearch tst-fdset tst-efgcvt tst-mntent
tst-hsearch \
pwd/Makefile:tests := tst-getpw tst-putpwent
rt/Makefile:tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2
\
socket/Makefile:tests := tst-accept4
stdio-common/Makefile:tests := tstscanf test_rdwr test-popen tstgetln
test-fseek \
sunrpc/Makefile:xtests := tst-getmyaddr
sunrpc/Makefile:rpcgen-tests := $(objpfx)bug20790.out
sysdeps/arm/nptl/Makefile:tests := $(filter-out tst-cleanupx4,$(tests))
sysdeps/mach/hurd/Makefile:link-libc-static-tests := -Wl,--start-group \
wcsmbs/Makefile:strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr
wcscpy wcsnlen \
wcsmbs/Makefile:tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc
tst-mbrtowc \
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Subject: [Bug libc/23459] New: COMMON_CPUID_INDEX_80000001 isn't populated for Intel processors
Date: Thu, 26 Jul 2018 17:41:00 -0000
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Bug ID: 23459
Summary: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: libc
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Target: i386,x86-64
COMMON_CPUID_INDEX_80000001 is supported by Intel CPUs. But it isn't
populated for Intel processors.
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Subject: [Bug libc/23456] Wrong index_cpu_LZCNT
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=65d87ade1ee6f3ac099105e3511bd09bdc24cf3f
commit 65d87ade1ee6f3ac099105e3511bd09bdc24cf3f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Jul 26 11:10:08 2018 -0700
x86: Correct index_cpu_LZCNT [BZ # 23456]
cpu-features.h has
#define bit_cpu_LZCNT (1 << 5)
#define index_cpu_LZCNT COMMON_CPUID_INDEX_1
#define reg_LZCNT
But the LZCNT feature bit is in COMMON_CPUID_INDEX_80000001:
Initial EAX Value: 80000001H
ECX Extended Processor Signature and Feature Bits:
Bit 05: LZCNT available
index_cpu_LZCNT should be COMMON_CPUID_INDEX_80000001, not
COMMON_CPUID_INDEX_1. The VMX feature bit is in COMMON_CPUID_INDEX_1:
Initial EAX Value: 01H
Feature Information Returned in the ECX Register:
5 VMX
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ # 23456]
* sysdeps/x86/cpu-features.h (index_cpu_LZCNT): Set to
COMMON_CPUID_INDEX_80000001.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/x86/cpu-features.h | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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Subject: [Bug libc/23456] Wrong index_cpu_LZCNT
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Version|2.29 |2.28
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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Subject: [Bug localedata/23437] Equivalence class problems in several locales.
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|In tr_TR has equivalence |Equivalence class problems
|class problems. |in several locales.
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
az_AZ has the same issue.
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Subject: [Bug localedata/23437] Equivalence class problems in several locales.
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
crh_UA, and ku_TR also have the same problem.
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Subject: [Bug libc/23459] COMMON_CPUID_INDEX_80000001 isn't populated for Intel processors
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Version|2.29 |2.28
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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>From glibc-bugs-return-42713-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 14:55:43 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23461] New: Add __tsc_to_ns and __ns_to_tsc
Date: Fri, 27 Jul 2018 14:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23461
Bug ID: 23461
Summary: Add __tsc_to_ns and __ns_to_tsc
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: i386,x86-64
On Intel processors with CPUID 15H
Time Stamp Counter and Core Crystal Clock Information Leaf
NOTES:
If EBX[31:0] is 0, the TSC and â€core crystal clock†ratio is not enumerated.
EBX[31:0]/EAX[31:0] indicates the ratio of the TSC frequency and the core
crystal clock fre-
quency.
If ECX is 0, the core crystal clock frequency is not enumerated.
“TSC frequency†= “core crystal clock frequency†* EBX/EAX.
The core crystal clock may differ from the reference clock, bus clock, or core
clock frequencies.
EAX Bits 31-00: An unsigned integer which is the denominator of the TSC/â€core
crystal clock†ratio.
EBX Bits 31-00: An unsigned integer which is the numerator of the TSC/â€core
crystal clock†ratio.
ECX Bits 31-00: An unsigned integer which is the nominal frequency of the core
crystal clock in Hz.
EDX Bits 31-00: Reserved = 0.
For Intel processors in which the nominal core crystal clock frequency is
enumerated in CPUID.15H.ECX and the
core crystal clock ratio is encoded in CPUID.15H (see Table 3-8 “Information
Returned by CPUID Instructionâ€), the
nominal TSC frequency can be determined by using the following equation:
Nominal TSC frequency = ( CPUID.15H.ECX[31:0] * CPUID.15H.EBX[31:0] ) ÷
CPUID.15H.EAX[31:0]
For Intel processors in which CPUID.15H.EBX[31:0] ÷ CPUID.0x15.EAX[31:0] is
enumerated but CPUID.15H.ECX
is not enumerated, Table 18-75 can be used to look up the nominal core crystal
clock frequency.
Nominal Core Crystal Clock Frequency
Processor Families/Processor Number Series 1 Nominal Core Crystal Clock
Frequency
Intel® Xeon® Processor Scalable Family with CPUID signature 06_55H. 25 MHz
6th and 7th generation Intel® CoreTM processors and Intel® Xeon® W Processor
Family. 24 MHz
Next Generation Intel® AtomTM processors based on Goldmont Microarchitecture
with
CPUID signature 06_5CH (does not include Intel Xeon processors). 19.2 MHz
Wit these info, we can implement
extern unsigned long long __tsc_to_ns (unsigned long long);
extern unsigned long long __ns_to_tsc (unsigned long long);
to convert between TSCs and nanoseconds.
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>From glibc-bugs-return-42714-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:35:47 2018
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Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Does this belong in glibc? We don't have any Intel TSC support yet, and our
internal use of rdtsc *is* incorrect.
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Subject: [Bug build/23450] Provide Git repositories over HTTPS
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Status|RESOLVED |UNCONFIRMED
CC| |fweimer at redhat dot com
Resolution|WORKSFORME |---
Summary|Unable to fetch from |Provide Git repositories
|release/2.26/master |over HTTPS
Flags| |security+
--- Comment #14 from Florian Weimer <fweimer at redhat dot com> ---
We really should support HTTPS. git:// can be intercepted easily, and you
could get malicious code on untrusted networks. It's not an issue for
developers who clone over SSH, but not everyone does that.
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>From glibc-bugs-return-42716-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:40:35 2018
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Subject: [Bug libc/23448] Out of bounds access in IBM-1390 converter
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I don't think this has any security impact in practice.
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>From glibc-bugs-return-42717-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:42:32 2018
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>From glibc-bugs-return-42721-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:48:01 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/23352] __malloc_check_init still defined in public header malloc.h.
Date: Fri, 27 Jul 2018 15:48:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Yes, it should be removed.
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>From glibc-bugs-return-42722-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:50:43 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
Date: Fri, 27 Jul 2018 15:50:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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Last reconfirmed| |2018-07-27
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Hao Lee from comment #8)
> (In reply to Florian Weimer from comment #7)
> > (In reply to Hao Lee from comment #6)
> > > (In reply to Andreas Schwab from comment #3)
> > > > There is no builtin support for that in nscd. How are they connected
> > > > together?
> > >
> > > Sorry. I haven't dug deep into the details of this architecture, but using
> > > NSCD as the cache of NSLCD is a common case.
> >
> > I think Andreas wants to know how you make nscd to connect to nslcd. I
> > expect that you have configured the nss_ldapd module in /etc/nssswitch.conf.
> > Is that right?
>
> Right. /etc/nsswitch.conf has been configured to use ldap:
>
> hosts: ldap files dns myhostname
Where did you get this nss_ldap module?
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>From glibc-bugs-return-42723-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:52:57 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23187] DSO with many Phdr[]s causes stack overflow in dl-load.c / open_verify and _dl_map_object_from_fd
Date: Fri, 27 Jul 2018 15:52:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Program binaries are trusted, so this is no security bug.
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>From glibc-bugs-return-42724-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 15:54:57 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
Date: Fri, 27 Jul 2018 15:54:00 -0000
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> Does this belong in glibc? We don't have any Intel TSC support yet, and our
> internal use of rdtsc *is* incorrect.
I am not sure where they belong. But glibc has the infrastructure to
collect CPUID info. Adding CPUID 15H is quite simple:
https://github.com/hjl-tools/glibc/tree/hjl/cpu-features/master
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>From glibc-bugs-return-42725-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 16:19:28 2018
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Subject: [Bug dynamic-link/23187] DSO with many Phdr[]s causes stack overflow in dl-load.c / open_verify and _dl_map_object_from_fd
Date: Fri, 27 Jul 2018 16:19:00 -0000
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--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Running 'ldd foo.so' is something that one could reasonably expect to work
during forensic analysis of unknown/adversarial 'foo.so'.
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>From glibc-bugs-return-42726-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 16:23:14 2018
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Subject: [Bug dynamic-link/23187] DSO with many Phdr[]s causes stack overflow in dl-load.c / open_verify and _dl_map_object_from_fd
Date: Fri, 27 Jul 2018 16:23:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Paul Pluzhnikov from comment #2)
> Running 'ldd foo.so' is something that one could reasonably expect to work
> during forensic analysis of unknown/adversarial 'foo.so'.
No, we explicitly say that ldd is for trusted binaries only.
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>From glibc-bugs-return-42727-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 16:37:53 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug admin/23450] Provide Git repositories over HTTPS
Date: Fri, 27 Jul 2018 16:37:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Component|build |admin
--- Comment #15 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Meaningful support for git over HTTPS means supporting the smart http protocol
(see man git-http-backend), not just the dumb one, and is a matter for
overseers, which doesn't seem to have an account on this Bugzilla, so you'll
need to raise it with the list directly.
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>From glibc-bugs-return-42728-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 17:42:42 2018
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Subject: [Bug dynamic-link/23187] DSO with many Phdr[]s causes stack overflow in dl-load.c / open_verify and _dl_map_object_from_fd
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #3)
> (In reply to Paul Pluzhnikov from comment #2)
> > Running 'ldd foo.so' is something that one could reasonably expect to work
> > during forensic analysis of unknown/adversarial 'foo.so'.
>
> No, we explicitly say that ldd is for trusted binaries only.
Agreed.
I started hacking on: https://pagure.io/eu-ldd/, to provide an elfutils version
of ldd which does everything glibc does but safely. I haven't gotten very far
thought, just mostly parsing and looking for dependency loops in bigger
programs.
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>From glibc-bugs-return-42729-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Jul 27 18:46:24 2018
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Subject: [Bug dynamic-link/23462] New: Static binary with dynamic string tokens crashes.
Date: Fri, 27 Jul 2018 18:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23462
Bug ID: 23462
Summary: Static binary with dynamic string tokens crashes.
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
A static binary crashes when started with dynamic string tokens in
LD_LIBRARY_PATH.
For example:
LD_LIBRARY_PATH=/foo/'$LIB' ./elf/ldconfig
Segmentation fault (core dumped)
The problem is here:
elf/dl-load.c (_dl_init_paths):
751 #ifdef SHARED
752 /* This points to the map of the main object. */
753 l = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
754 if (l != NULL)
We only load l within #ifdef SHARED, but later on we use it unconditionally in
the following call chain fillin_rpath -> expand_dynamic_string_token ->
DL_DST_REQUIRED.
Previously we had:
# define DL_DST_REQ_STATIC(l) \
if ((l) == NULL) \
{ \
const char *origin = _dl_get_origin (); \
dst_len = (origin && origin != (char *) -1 ? strlen (origin) : 0); \
} \
else
#endif
Which guarded against this case, but after:
commit d1d5471579eb0426671bf94f2d71e61dfb204c30
Author: Maciej W. Rozycki <macro@codesourcery.com>
Date: Sat Jun 22 00:39:42 2013 +0100
Remove dead DL_DST_REQ_STATIC code.
We removed it.
Maciej's work was specifically designed to make static/dynamic cases have
parity here, and so it just looks like an oversight that we don't
unconditionally set the link map.
The solution is to always set the link map l, and remove the 'if ((l) == NULL)'
because we are never NULL.
Interestingly coverity scan detected a logical problem here because it said if
l is ever NULL then we'll crash, and it was right.
I have a patch for this and it passes the above test. I'll submit it shortly.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
Date: Fri, 27 Jul 2018 18:47:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to H.J. Lu from comment #2)
> (In reply to Florian Weimer from comment #1)
> > Does this belong in glibc? We don't have any Intel TSC support yet, and our
> > internal use of rdtsc *is* incorrect.
>
> I am not sure where they belong. But glibc has the infrastructure to
> collect CPUID info. Adding CPUID 15H is quite simple:
>
> https://github.com/hjl-tools/glibc/tree/hjl/cpu-features/master
We have sys/platform/* headers which would let you expose special functions
like this to user programs. We have one for ppc.h right now only.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
Date: Fri, 27 Jul 2018 18:49:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to H.J. Lu from comment #2)
> > (In reply to Florian Weimer from comment #1)
> > > Does this belong in glibc? We don't have any Intel TSC support yet, and our
> > > internal use of rdtsc *is* incorrect.
> >
> > I am not sure where they belong. But glibc has the infrastructure to
> > collect CPUID info. Adding CPUID 15H is quite simple:
> >
> > https://github.com/hjl-tools/glibc/tree/hjl/cpu-features/master
>
> We have sys/platform/* headers which would let you expose special functions
> like this to user programs. We have one for ppc.h right now only.
https://sourceware.org/glibc/wiki/PlatformHeaders
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
Date: Fri, 27 Jul 2018 18:54:00 -0000
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--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Carlos O'Donell from comment #4)
> (In reply to Carlos O'Donell from comment #3)
> > (In reply to H.J. Lu from comment #2)
> > > (In reply to Florian Weimer from comment #1)
> > > > Does this belong in glibc? We don't have any Intel TSC support yet, and our
> > > > internal use of rdtsc *is* incorrect.
> > >
> > > I am not sure where they belong. But glibc has the infrastructure to
> > > collect CPUID info. Adding CPUID 15H is quite simple:
> > >
> > > https://github.com/hjl-tools/glibc/tree/hjl/cpu-features/master
> >
> > We have sys/platform/* headers which would let you expose special functions
> > like this to user programs. We have one for ppc.h right now only.
>
> https://sourceware.org/glibc/wiki/PlatformHeaders
Looks promising. I'd like to export more CPUID related functions
from glibc. They will be real functions, not inline functions with
asm statements.
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Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
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--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to H.J. Lu from comment #5)
> Looks promising. I'd like to export more CPUID related functions
> from glibc. They will be real functions, not inline functions with
> asm statements.
See:
https://github.com/hjl-tools/glibc/tree/hjl/platform/master
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23461] Add __tsc_to_ns and __ns_to_tsc
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to H.J. Lu from comment #6)
> (In reply to H.J. Lu from comment #5)
> > Looks promising. I'd like to export more CPUID related functions
> > from glibc. They will be real functions, not inline functions with
> > asm statements.
>
> See:
>
> https://github.com/hjl-tools/glibc/tree/hjl/platform/master
I'm not opposed to it, but we'll have to talk about this on libc-alpha to get
more consensus about adding a bunch of functions which need backwards
compatibility forever. If the platform header only contains macros and simpler
things, then it's easy to change the implementation without any negative
consequences.
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>From glibc-bugs-return-42735-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Jul 28 17:38:08 2018
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From: "Laurent.Lyaudet at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23076] Iconv translitterate with profile
Date: Sat, 28 Jul 2018 17:38:00 -0000
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--- Comment #13 from Laurent Lyaudet <Laurent.Lyaudet at gmail dot com> ---
Hello,
I tried to use charmap as you suggested but I did not succeed.
I also finished my library transliteration_profile_iconv.
It is available here :
https://github.com/LLyaudet/transliteration_profile_iconv.
It solves the problem of tight coupling with locales.
Can you help me for the benchmark and/or give me feedback on my library?
I tried to benchmark my library against glibc iconv to see how much slower my
library was, compared to glibc.
Here is what I tried :
I edited a locale definition file fr_FR@test in this directory (the Makefile
puts it in the correct directory on Debian).
I edited a charmap definition file ISO-8859-1-test in this directory (the
Makefile puts it in the correct directory on Debian).
The makefile then edits the file /etc/locale.gen and executes locale-gen.
Everything so far goes well.
But iconv_open() below fails because there is no gconv module for
ISO-8859-1-test.
If I rename ISO-8859-1-test everywhere with ISO-8859-1 which I don't recommend
(make copies of the correct files for ISO-8859-1) iconv_open() works but
iconv() does not transliterate as specified by the fr_FR@test file.
(You can check that the setlocale is correct since it returns "fr_FR@test".
Euro symbol is transliterated to EUR instead of the currency symbol...
What I could test with PHP is not working with C.)
I tried also adding the locale in /usr/share/i18n/SUPPORTED,
then running locale-gen and iconvconfig.
But it didn't generate a new gconv module for ISO-8859-1-test.
So far I don't know if it's possible to generate a new gconv module for a new
charmap without compiling glibc.
I didn't found any command to do so.
Thanks, best regards,
Laurent Lyaudet
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>From glibc-bugs-return-42736-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Jul 29 07:36:59 2018
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |ASSIGNED
CC| |fweimer at redhat dot com
Assignee|unassigned at sourceware dot org |dj at redhat dot com
--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
The Ruby allocator calls posix_memalign (16384, 16344) extensively, so we need
to fix this.
One way to fix this would be to attribute the alignment gap to the allocation
and not return it to the allocator for independent reuse. This way, a freed
aligned block will have a sufficiently large size that can be split again for
the next aligned allocation.
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Subject: [Bug malloc/14581] memalign allocations are often not reused after free
Date: Sun, 29 Jul 2018 07:39:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=843478
Summary|glibc leaks memory and do |memalign allocations are
|not reuse after free |often not reused after free
|(leading to unlimited RSS |
|growth) |
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Subject: [Bug libc/23456] Wrong index_cpu_LZCNT
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit c9570bd2f54abb68e4e3c767aca3a54e05d2c7f6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23459]
* sysdeps/x86/cpu-features.c (get_extended_indices): New
function.
(init_cpu_features): Call get_extended_indices for both Intel
and AMD CPUs.
* sysdeps/x86/cpu-features.h (COMMON_CPUID_INDEX_80000001):
Remove "for AMD" comment.
(cherry picked from commit be525a69a6630abc83144c0a96474f2e26da7443)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86e0996b1a02b3b46185f5fd28b78f0223956008
commit 86e0996b1a02b3b46185f5fd28b78f0223956008
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Correct index_cpu_LZCNT [BZ #23456]
cpu-features.h has
#define bit_cpu_LZCNT (1 << 5)
#define index_cpu_LZCNT COMMON_CPUID_INDEX_1
#define reg_LZCNT
But the LZCNT feature bit is in COMMON_CPUID_INDEX_80000001:
Initial EAX Value: 80000001H
ECX Extended Processor Signature and Feature Bits:
Bit 05: LZCNT available
index_cpu_LZCNT should be COMMON_CPUID_INDEX_80000001, not
COMMON_CPUID_INDEX_1. The VMX feature bit is in COMMON_CPUID_INDEX_1:
Initial EAX Value: 01H
Feature Information Returned in the ECX Register:
5 VMX
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23456]
* sysdeps/x86/cpu-features.h (index_cpu_LZCNT): Set to
COMMON_CPUID_INDEX_80000001.
(cherry picked from commit 65d87ade1ee6f3ac099105e3511bd09bdc24cf3f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 16 ++++++++++++++++
NEWS | 2 ++
sysdeps/x86/cpu-features.c | 27 ++++++++++++++++++---------
sysdeps/x86/cpu-features.h | 4 ++--
4 files changed, 38 insertions(+), 11 deletions(-)
--
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Subject: [Bug libc/23459] COMMON_CPUID_INDEX_80000001 isn't populated for Intel processors
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commit 2dab17550dd464bcf531088efa81a9d595167f2a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23459]
* sysdeps/x86/cpu-features.c (get_extended_indices): New
function.
(init_cpu_features): Call get_extended_indices for both Intel
and AMD CPUs.
* sysdeps/x86/cpu-features.h (COMMON_CPUID_INDEX_80000001):
Remove "for AMD" comment.
(cherry picked from commit be525a69a6630abc83144c0a96474f2e26da7443)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a452341529ef0a952b576e20d3c7e3c48dcb8427
commit a452341529ef0a952b576e20d3c7e3c48dcb8427
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Correct index_cpu_LZCNT [BZ #23456]
cpu-features.h has
#define bit_cpu_LZCNT (1 << 5)
#define index_cpu_LZCNT COMMON_CPUID_INDEX_1
#define reg_LZCNT
But the LZCNT feature bit is in COMMON_CPUID_INDEX_80000001:
Initial EAX Value: 80000001H
ECX Extended Processor Signature and Feature Bits:
Bit 05: LZCNT available
index_cpu_LZCNT should be COMMON_CPUID_INDEX_80000001, not
COMMON_CPUID_INDEX_1. The VMX feature bit is in COMMON_CPUID_INDEX_1:
Initial EAX Value: 01H
Feature Information Returned in the ECX Register:
5 VMX
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23456]
* sysdeps/x86/cpu-features.h (index_cpu_LZCNT): Set to
COMMON_CPUID_INDEX_80000001.
(cherry picked from commit 65d87ade1ee6f3ac099105e3511bd09bdc24cf3f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 16 ++++++++++++++++
NEWS | 2 ++
sysdeps/x86/cpu-features.c | 27 ++++++++++++++++++---------
sysdeps/x86/cpu-features.h | 4 ++--
4 files changed, 38 insertions(+), 11 deletions(-)
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Subject: [Bug libc/23459] COMMON_CPUID_INDEX_80000001 isn't populated for Intel processors
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit c9570bd2f54abb68e4e3c767aca3a54e05d2c7f6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23459]
* sysdeps/x86/cpu-features.c (get_extended_indices): New
function.
(init_cpu_features): Call get_extended_indices for both Intel
and AMD CPUs.
* sysdeps/x86/cpu-features.h (COMMON_CPUID_INDEX_80000001):
Remove "for AMD" comment.
(cherry picked from commit be525a69a6630abc83144c0a96474f2e26da7443)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86e0996b1a02b3b46185f5fd28b78f0223956008
commit 86e0996b1a02b3b46185f5fd28b78f0223956008
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Correct index_cpu_LZCNT [BZ #23456]
cpu-features.h has
#define bit_cpu_LZCNT (1 << 5)
#define index_cpu_LZCNT COMMON_CPUID_INDEX_1
#define reg_LZCNT
But the LZCNT feature bit is in COMMON_CPUID_INDEX_80000001:
Initial EAX Value: 80000001H
ECX Extended Processor Signature and Feature Bits:
Bit 05: LZCNT available
index_cpu_LZCNT should be COMMON_CPUID_INDEX_80000001, not
COMMON_CPUID_INDEX_1. The VMX feature bit is in COMMON_CPUID_INDEX_1:
Initial EAX Value: 01H
Feature Information Returned in the ECX Register:
5 VMX
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23456]
* sysdeps/x86/cpu-features.h (index_cpu_LZCNT): Set to
COMMON_CPUID_INDEX_80000001.
(cherry picked from commit 65d87ade1ee6f3ac099105e3511bd09bdc24cf3f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 16 ++++++++++++++++
NEWS | 2 ++
sysdeps/x86/cpu-features.c | 27 ++++++++++++++++++---------
sysdeps/x86/cpu-features.h | 4 ++--
4 files changed, 38 insertions(+), 11 deletions(-)
--
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Subject: [Bug libc/23456] Wrong index_cpu_LZCNT
Date: Sun, 29 Jul 2018 13:55:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.27/master has been updated
via 2dab17550dd464bcf531088efa81a9d595167f2a (commit)
via a452341529ef0a952b576e20d3c7e3c48dcb8427 (commit)
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Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2dab17550dd464bcf531088efa81a9d595167f2a
commit 2dab17550dd464bcf531088efa81a9d595167f2a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23459]
* sysdeps/x86/cpu-features.c (get_extended_indices): New
function.
(init_cpu_features): Call get_extended_indices for both Intel
and AMD CPUs.
* sysdeps/x86/cpu-features.h (COMMON_CPUID_INDEX_80000001):
Remove "for AMD" comment.
(cherry picked from commit be525a69a6630abc83144c0a96474f2e26da7443)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a452341529ef0a952b576e20d3c7e3c48dcb8427
commit a452341529ef0a952b576e20d3c7e3c48dcb8427
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 29 06:08:59 2018 -0700
x86: Correct index_cpu_LZCNT [BZ #23456]
cpu-features.h has
#define bit_cpu_LZCNT (1 << 5)
#define index_cpu_LZCNT COMMON_CPUID_INDEX_1
#define reg_LZCNT
But the LZCNT feature bit is in COMMON_CPUID_INDEX_80000001:
Initial EAX Value: 80000001H
ECX Extended Processor Signature and Feature Bits:
Bit 05: LZCNT available
index_cpu_LZCNT should be COMMON_CPUID_INDEX_80000001, not
COMMON_CPUID_INDEX_1. The VMX feature bit is in COMMON_CPUID_INDEX_1:
Initial EAX Value: 01H
Feature Information Returned in the ECX Register:
5 VMX
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23456]
* sysdeps/x86/cpu-features.h (index_cpu_LZCNT): Set to
COMMON_CPUID_INDEX_80000001.
(cherry picked from commit 65d87ade1ee6f3ac099105e3511bd09bdc24cf3f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 16 ++++++++++++++++
NEWS | 2 ++
sysdeps/x86/cpu-features.c | 27 ++++++++++++++++++---------
sysdeps/x86/cpu-features.h | 4 ++--
4 files changed, 38 insertions(+), 11 deletions(-)
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Subject: [Bug libc/23459] COMMON_CPUID_INDEX_80000001 isn't populated for Intel processors
Date: Sun, 29 Jul 2018 13:56:00 -0000
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--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
Also fixed on 2.26 and 2.27 branches.
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Subject: [Bug libc/23456] Wrong index_cpu_LZCNT
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--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
Also fixed on 2.26 and 2.27 branches.
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/14581] memalign allocations are often not reused after free
Date: Sun, 29 Jul 2018 16:59:00 -0000
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--- Comment #12 from Rich Felker <bugdal at aerifal dot cx> ---
Since last looking at this issue, I've been thinking about allocator designs to
avoid fragmentation, and Florian's latest idea in comment 11 matches my current
view on what's likely to be best. However it does seem to waste up to half of
the memory consumed (i.e. up to 100% overhead) for the duration that it's
allocated. This is probably the right tradeoff still when the alternative is
permanent-ish fragmentation for the process lifetime, but maybe there are ways
to make it better/less-costly.
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Subject: [Bug malloc/14581] memalign allocations are often not reused after free
Date: Mon, 30 Jul 2018 10:41:00 -0000
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--- Comment #13 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Rich Felker from comment #12)
> Since last looking at this issue, I've been thinking about allocator designs
> to avoid fragmentation, and Florian's latest idea in comment 11 matches my
> current view on what's likely to be best. However it does seem to waste up
> to half of the memory consumed (i.e. up to 100% overhead) for the duration
> that it's allocated.
Right. I thought it would be possible to avoid this, but it doesn't look like
it is.
> This is probably the right tradeoff still when the
> alternative is permanent-ish fragmentation for the process lifetime, but
> maybe there are ways to make it better/less-costly.
Other approaches would be to search for a smaller, sufficiently aligned
allocation. This might not be so bad with the current glibc allocator and its
unsorted bins.
Or we could use a separate allocator for aligned allocations which has separate
freelists for different alignments, and sorts the freelist bins by size and
alignment. However, this will prevent us from reusing memory which has been
used for aligned allocations for unaligned ones.
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Subject: [Bug malloc/14581] memalign allocations are often not reused after free
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #14 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #13)
> > This is probably the right tradeoff still when the
> > alternative is permanent-ish fragmentation for the process lifetime, but
> > maybe there are ways to make it better/less-costly.
>
> Other approaches would be to search for a smaller, sufficiently aligned
> allocation. This might not be so bad with the current glibc allocator and
> its unsorted bins.
We should test this approach, but I suspect keeping the pre-gap, allocation,
and post-gap together in some way will yield the best fragmentation reducing
results. This is just a hunch though, we should continue to use the trace,
simulation, and other tools we have to derive a data-driven approach to making
changes in malloc. Then we should validate the changes to show the model we
have is predicting real behaviour in the applications e.g. re-run fluentd +
ruby with the changes and see if we managed to make an RSS difference (if
fluentd suffers from this problem, we don't know).
> Or we could use a separate allocator for aligned allocations which has
> separate freelists for different alignments, and sorts the freelist bins by
> size and alignment. However, this will prevent us from reusing memory which
> has been used for aligned allocations for unaligned ones.
This is definitely outside of the box thinking, and takes us down a path of
heaps which have specific properties. I was thinking about this the other day,
but need to re-review the literature on this topic.
I think the best approach in terms of value for the design is going to be
grouping together the aligned allocation.
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23467] New: x86/CET: A property note parser bug
Date: Mon, 30 Jul 2018 18:02:00 -0000
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Bug ID: 23467
Summary: x86/CET: A property note parser bug
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: i386,x86-64
There is a real bug in the note parser. It doesn't check each item. This
test should fail on CET SDV since IBT is on and endbr64 is missing
in foo. But it passed:
[hjl@gnu-cet-1 bad-property-1]$ cat y.S
#include <cet.h>
.text
.globl main
.type main, @function
main:
.cfi_startproc
endbr64
subq $8, %rsp
.cfi_def_cfa_offset 16
movq $foo, %rdi
call *%rdi
xorl %eax, %eax
addq $8, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_endproc
.size main, .-main
.p2align 4,,15
.type foo, @function
foo:
.cfi_startproc
ret
.cfi_endproc
.size foo, .-foo
#if __SIZEOF_PTRDIFF_T__ == 8
# define ALIGN 3
#elif __SIZEOF_PTRDIFF_T__ == 4
# define ALIGN 2
#endif
.section ".note.gnu.property", "a"
.p2align ALIGN
.long 1f - 0f /* name length */
.long 5f - 2f /* data length */
.long 5 /* note type */
0: .asciz "GNU" /* vendor name */
1:
.p2align ALIGN
2:
.long 1 /* pr_type. */
.long 4f - 3f /* pr_datasz. */
3:
.long 0x800
.long 0x800
4:
.p2align ALIGN
5:
.section .note.GNU-stack,"",@progbits
[hjl@gnu-cet-1 bad-property-1]$ make y
gcc -fcf-protection -c -o y.o y.S
gcc -fcf-protection -g -o y y.o
[hjl@gnu-cet-1 build-x86_64-linux]$
../../glibc-cet-O3/build-x86_64-linux/elf/ld.so --library-path .
~/bugs/libc/bad-property-1/y
[hjl@gnu-cet-1 build-x86_64-linux]$
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Subject: [Bug dynamic-link/23467] x86/CET: A property note parser bug
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----------------------------------------------------------------------------
Target Milestone|--- |2.28
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Subject: [Bug build/23458] tst-get-cpu-features-static isn't added to tests
Date: Mon, 30 Jul 2018 18:58:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |i386,x86-64
Summary|tests := ignores static |tst-get-cpu-features-static
|tests added by Makefiles |isn't added to tests
|under sysdeps |
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>From glibc-bugs-return-42750-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 30 23:13:04 2018
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Subject: [Bug build/23458] tst-get-cpu-features-static isn't added to tests
Date: Mon, 30 Jul 2018 23:13:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via c92a00d865638cebcfd13cfe0c3e811f565fe43b (commit)
from af86087f02a5522d8801a11d8381e04f95e33162 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c92a00d865638cebcfd13cfe0c3e811f565fe43b
commit c92a00d865638cebcfd13cfe0c3e811f565fe43b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 30 16:11:05 2018 -0700
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
All tests should be added to $(tests).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23458]
* sysdeps/x86/Makefile (tests): Add tst-get-cpu-features-static.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/x86/Makefile | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
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>From glibc-bugs-return-42751-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Jul 30 23:16:06 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23468] New: bits/stdio.h conversion errors when compiling with -Werror=conversion
Date: Mon, 30 Jul 2018 23:16:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23468
Bug ID: 23468
Summary: bits/stdio.h conversion errors when compiling with
-Werror=conversion
Product: glibc
Version: 2.23
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: ablakeman at gmail dot com
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Hello,
I'm sorry if this is the wrong place to report this potential issue, but it
seems the most relevant. I've searched quite a bit but haven't found this
issue referenced anywhere. I apologize if it has been reported elsewhere and I
just haven't found it.
When compiling something with -Werror=conversion an error is produced from
bits/stdio.h:
/usr/include/bits/stdio.h: In function 'int fputc_unlocked(int, FILE*)':
/usr/include/bits/stdio.h:90:10: error: conversion to 'char' from 'int' may
alter its value [-Werror=conversion]
return _IO_putc_unlocked (__c, __stream);
^~~~~~~~~~~~~~~~~
While this impacts the glibc2.23 that my distribution is using, a similar
issues appears to still be present the current glibc master branch:
$ git rev-parse HEAD
af86087f02a5522d8801a11d8381e04f95e33162
$ grep -A3 'fputc_unlocked ' ./libio/bits/stdio.h
fputc_unlocked (int __c, FILE *__stream)
{
return __putc_unlocked_body (__c, __stream);
}
$ grep -R '__putc_unlocked_body ' * | grep define
libio/libio.h:#define _IO_putc_unlocked(_ch, _fp) __putc_unlocked_body (_ch,
_fp)
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Subject: [Bug dynamic-link/23467] x86/CET: A property note parser bug
Date: Mon, 30 Jul 2018 23:20:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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from c92a00d865638cebcfd13cfe0c3e811f565fe43b (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=98864ed0e055583707e37cdb7d41a9cdeac4473b
commit 98864ed0e055583707e37cdb7d41a9cdeac4473b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 30 16:14:46 2018 -0700
x86/CET: Fix property note parser [BZ #23467]
GNU_PROPERTY_X86_FEATURE_1_AND may not be the first property item. We
need to check each property item until we reach the end of the property
or find GNU_PROPERTY_X86_FEATURE_1_AND.
This patch adds 2 tests. The first test checks if IBT is enabled and
the second test reads the output from the first test to check if IBT
is is enabled. The second second test fails if IBT isn't enabled
properly.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23467]
* sysdeps/unix/sysv/linux/x86/Makefile (tests): Add
tst-cet-property-1 and tst-cet-property-2 if CET is enabled.
(CFLAGS-tst-cet-property-1.o): New.
(ASFLAGS-tst-cet-property-dep-2.o): Likewise.
($(objpfx)tst-cet-property-2): Likewise.
($(objpfx)tst-cet-property-2.out): Likewise.
* sysdeps/unix/sysv/linux/x86/tst-cet-property-1.c: New file.
* sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c: Likewise.
* sysdeps/unix/sysv/linux/x86/tst-cet-property-dep-2.S: Likewise.
* sysdeps/x86/dl-prop.h (_dl_process_cet_property_note): Parse
each property item until GNU_PROPERTY_X86_FEATURE_1_AND is found.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 +++++
sysdeps/unix/sysv/linux/x86/Makefile | 15 +++++
sysdeps/unix/sysv/linux/x86/tst-cet-property-1.c | 44 ++++++++++++++
sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c | 63 ++++++++++++++++++++
.../unix/sysv/linux/x86/tst-cet-property-dep-2.S | 63 ++++++++++++++++++++
sysdeps/x86/dl-prop.h | 29 ++++++---
6 files changed, 220 insertions(+), 9 deletions(-)
create mode 100644 sysdeps/unix/sysv/linux/x86/tst-cet-property-1.c
create mode 100644 sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c
create mode 100644 sysdeps/unix/sysv/linux/x86/tst-cet-property-dep-2.S
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23458] tst-get-cpu-features-static isn't added to tests
Date: Mon, 30 Jul 2018 23:24:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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Subject: [Bug dynamic-link/23467] x86/CET: A property note parser bug
Date: Mon, 30 Jul 2018 23:24:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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>From glibc-bugs-return-42755-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Jul 31 00:52:56 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23468] bits/stdio.h conversion errors when compiling with -Werror=conversion
Date: Tue, 31 Jul 2018 00:52:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-07-31
CC| |carlos at redhat dot com
Ever confirmed|0 |1
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Thanks for the bug report.
Generally most users report bugs to their distribution.
Have a read through this:
https://sourceware.org/glibc/wiki/FilingBugs
However, you identified that you think the but is still present in upstream
master, so we should look at this issue.
As noted in the wiki page under "What to put in a new report" please provide
the version of gcc, and glibc are you using.
For example with gcc 7, and glibc 2.26, I don't see any issues with the
following:
cat >> swbz23468.c <<EOF
#include <stdio.h>
int
main (void)
{
fputc_unlocked ('a', stdout);
return 0;
}
EOF
gcc -O2 -Wall -Werror=conversion -pedantic -o test test.c
A quick double check to make sure we're using the inlined version under
optimization:
objdump -ldr test | less
0000000000400450 <main>:
main():
400450: 48 8b 3d d1 0b 20 00 mov 0x200bd1(%rip),%rdi #
601028 <stdout@@GLIBC_2.2.5>
400457: 48 8b 47 28 mov 0x28(%rdi),%rax
40045b: 48 3b 47 30 cmp 0x30(%rdi),%rax
40045f: 73 0e jae 40046f <main+0x1f>
400461: 48 8d 50 01 lea 0x1(%rax),%rdx
400465: 48 89 57 28 mov %rdx,0x28(%rdi)
400469: c6 00 61 movb $0x61,(%rax)
40046c: 31 c0 xor %eax,%eax
40046e: c3 retq
40046f: 48 83 ec 08 sub $0x8,%rsp
400473: be 61 00 00 00 mov $0x61,%esi
400478: e8 c3 ff ff ff callq 400440 <__overflow@plt>
40047d: 31 c0 xor %eax,%eax
40047f: 5a pop %rdx
400480: c3 retq
400481: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
400488: 00 00 00
40048b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
Which is the inlined fputc_unlocked calling _IO_putc_unlocked from libio.h
(which calls __overflow if it needs to).
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23468] bits/stdio.h conversion errors when compiling with -Werror=conversion
Date: Tue, 31 Jul 2018 02:31:00 -0000
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--- Comment #2 from ablakeman at gmail dot com ---
I'm sorry for not including all of the required information, and for coming
here instead of my distribution, but I thank you for your response and looking
into this. If you add -Wsystem-headers to your test, you may see the issue:
$ cat >> swbz23468.c <<EOF
> #include <stdio.h>
> int
> main (void)
> {
> fputc_unlocked ('a', stdout);
> return 0;
> }
> EOF
$ gcc -O2 -Wall -Werror=conversion -pedantic -o test test.c
$ gcc -O2 -Wsystem-headers -Wall -Werror=conversion -pedantic -o test test.c
In file included from /usr/include/stdio.h:933:0,
from test.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio.h: In function ‘fputc_unlocked’:
/usr/include/x86_64-linux-gnu/bits/stdio.h:90:10: error: conversion to ‘char’
from ‘int’ may alter its value [-Werror=conversion]
return _IO_putc_unlocked (__c, __stream);
^
I tried this with gcc 5.4.0\glibc2.23 as well as gcc 7.3.0\glibc2.27
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23468] bits/stdio.h conversion errors when compiling with -Werror=conversion
Date: Tue, 31 Jul 2018 04:45:00 -0000
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--- Comment #3 from ablakeman at gmail dot com ---
By the way, I'm not sure if it's the appropriate fix but with gcc7.3\glibc2.27,
modifying /usr/include/libio.h as follows gets rid of the warnings:
--- libio.h.orig 2018-07-30 21:42:49.974165776 -0700
+++ libio.h 2018-07-30 21:43:04.966464672 -0700
@@ -411,7 +411,7 @@
#define _IO_putc_unlocked(_ch, _fp) \
(_IO_BE ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end, 0) \
? __overflow (_fp, (unsigned char) (_ch)) \
- : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))
+ : (unsigned char) (*(_fp)->_IO_write_ptr++ = (char)(_ch)))
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define _IO_getwc_unlocked(_fp) \
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Subject: [Bug stdio/23468] bits/stdio.h conversion errors when compiling with -Werror=conversion
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--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Generically, we need to be very careful about adding casts to macros in
system headers, because replacing an implicit conversion by a cast can
sometimes lose diagnostics for a bad argument type.
In this case, in current sources, __putc_unlocked_body in
bits/types/struct_FILE.h seems to be used only by inline functions in
bits/stdio.h, not expanded directly in a macro valid for use in user code,
so if there are warnings compiling those inline functions with
-Wsystem-headers then changing the macro to avoid those warnings does not
involve any risk of losing desired warnings for macro uses in user code.
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Subject: [Bug stdio/23468] bits/stdio.h conversion errors when compiling with -Werror=conversion
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----------------------------------------------------------------------------
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Subject: [Bug stdio/23468] bits/stdio.h conversion errors when compiling with -Werror=conversion
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to joseph@codesourcery.com from comment #4)
> Generically, we need to be very careful about adding casts to macros in
> system headers, because replacing an implicit conversion by a cast can
> sometimes lose diagnostics for a bad argument type.
>
> In this case, in current sources, __putc_unlocked_body in
> bits/types/struct_FILE.h seems to be used only by inline functions in
> bits/stdio.h, not expanded directly in a macro valid for use in user code,
> so if there are warnings compiling those inline functions with
> -Wsystem-headers then changing the macro to avoid those warnings does not
> involve any risk of losing desired warnings for macro uses in user code.
That's a good point.
I'll test a fix like this for 2.29 when it opens.
We already cast to (unsigned char) for __overflow, probably for a similar
reason.
diff --git a/libio/bits/types/struct_FILE.h b/libio/bits/types/struct_FILE.h
index 359f949453..7b59942960 100644
--- a/libio/bits/types/struct_FILE.h
+++ b/libio/bits/types/struct_FILE.h
@@ -106,7 +106,7 @@ struct _IO_FILE_complete
#define __putc_unlocked_body(_ch, _fp) \
(__glibc_unlikely ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \
? __overflow (_fp, (unsigned char) (_ch)) \
- : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))
+ : (unsigned char) (*(_fp)->_IO_write_ptr++ = (unsigned char) (_ch)))
#define _IO_EOF_SEEN 0x0010
#define __feof_unlocked_body(_fp) (((_fp)->_flags & _IO_EOF_SEEN) != 0)
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https://sourceware.org/bugzilla/show_bug.cgi?id=22926
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/23005] Crash in __res_context_send after memory allocation failure
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https://sourceware.org/bugzilla/show_bug.cgi?id=23005
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold (CVE-2017-18269)
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22644
--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22761] No trailing `%n' conversion specifier in FMT passed from `__assert_perror_fail ()' to `__assert_fail_base ()'
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22761
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This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23196
--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug locale/19527] Normalized charset name not recognized by setlocale
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19527
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nscd/23178] sudo will fail when it is run in concurrent with commands that changes /etc/passwd
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23178
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug stdio/1190] fgetc()/fread() behaviour is not POSIX compliant
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https://sourceware.org/bugzilla/show_bug.cgi?id=1190
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nptl/22391] Signal function clear NPTL internal symbols inconsistently
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22391
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22918] multiple common of `__nss_shadow_database'
Date: Wed, 01 Aug 2018 05:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22918
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The annotated tag, glibc-2.28 has been created
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tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/22247] Integer overflow in the decode_digit function in puny_decode.c in libidn (CVE-2017-14062)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22247
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23069] sigaction broken on riscv64-linux-gnu
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23069
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/19728] out of bounds stack read in libidn function idna_to_ascii_4i (CVE-2016-6261)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19728
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/23259] Unsubstituted ${ORIGIN} remains in DT_NEEDED for AT_SECURE
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23259
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/22884] RISCV fmax/fmin handle signalling NANs incorrectly
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22884
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/20890] ldconfig: fsync the files before atomic rename
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https://sourceware.org/bugzilla/show_bug.cgi?id=20890
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/22787] _dl_check_caller returns false when libc is linked through an absolute DT_NEEDED path
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https://sourceware.org/bugzilla/show_bug.cgi?id=22787
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The annotated tag, glibc-2.28 has been created
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replaces glibc-2.27.9000
tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/21314] Compile Error GCC 5.2.0 MIPS with -0s
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21314
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23329] The __libc_freeres infrastructure is not properly run across DSO boundaries.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23329
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/23102] Incorrect parsing of multiple consecutive $variable patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23102
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/23166] Stray exported sunrpc objects even if Sun RPC is disabled
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23166
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tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/21942] _dl_dst_substitute incorrectly handles $ORIGIN: with AT_SECURE=1
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21942
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23448] Out of bounds access in IBM-1390 converter
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23448
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/23290] IBM273 is not equivalent to ISO-8859-1
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23290
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22753] preadv2/pwritev2 fallback code should handle offset=-1
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22753
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug glob/22818] posix/tst-glob_lstat_compat failure on alpha
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22818
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug regex/23036] regex equivalence class regression
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23036
--- Comment #24 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/15722] Verify that all internal sockets opened with SOCK_CLOEXEC
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=15722
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug stdio/23363] stdio-common/tst-printf.c has non-free license
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23363
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/18023] extend_alloca is broken (questionable pointer comparison, horrible machine code)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18023
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nscd/22342] NSCD not properly caching netgroup
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https://sourceware.org/bugzilla/show_bug.cgi?id=22342
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/21812] getifaddrs() returns entries with ifa_name == NULL
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21812
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug regex/23396] Regex equivalence regression in single-byte locales
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23396
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23349] Various glibc headers no longer compatible with <linux/time.h>
Date: Wed, 01 Aug 2018 05:54:00 -0000
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug stdio/23236] Harden function pointers in _IO_str_fields
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23236
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22919] sparc32: backtrace yields infinite backtrace with makecontext
Date: Wed, 01 Aug 2018 05:54:00 -0000
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nss/18991] nss_files skips large entry in database
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18991
--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug malloc/22774] Integer overflow in _int_malloc (CVE-2018-6551)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22774
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse
Date: Wed, 01 Aug 2018 05:54:00 -0000
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug stdio/23313] libio vtables validation and standard file object interposition
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https://sourceware.org/bugzilla/show_bug.cgi?id=23313
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/18018] Additional $ORIGIN handling issues (CVE-2011-0536)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug network/19729] out of bounds heap read on invalid utf-8 inputs in stringprep_utf8_nfkc_normalize (CVE-2016-6263)
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19729
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/17662] please implement binding for the new renameat2 syscall
Date: Wed, 01 Aug 2018 05:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17662
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nptl/22563] __cancel_jmp_buf in __pthread_unwind_buf_t is incompatible with setjmp/longmp
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https://sourceware.org/bugzilla/show_bug.cgi?id=22563
--- Comment #29 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/22792] tcb-offsets.h dependency dropped
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/22998] execstack tests are disabled when SELinux is disabled
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https://sourceware.org/bugzilla/show_bug.cgi?id=22998
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22797] pkey_get() uses non-reserved name of argument
Date: Wed, 01 Aug 2018 05:55:00 -0000
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
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tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/19668] Missing Sanity Check for malloc() in file 'tst-setcontext-fpscr.c'
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19668
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nptl/23250] Offset of __private_ss differs from GCC
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23250
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/17343] Signed integer overflow in /stdlib/random_r.c
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17343
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug string/19667] Missing Sanity Check for malloc calls in file 'testcopy.c'
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19667
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23037] initialize msg_flags to zero for sendmmsg() calls
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23037
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
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tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22433] linux x86/x86_64 <sys/ptrace.h> does not provide PTRACE_GET_THREAD_AREA (and more)
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22433
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
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https://sourceware.org/bugzilla/show_bug.cgi?id=21598
--- Comment #77 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/23467] x86/CET: A property note parser bug
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https://sourceware.org/bugzilla/show_bug.cgi?id=23467
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/14553] Namespace pollution loff_t in sys/types.h
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The annotated tag, glibc-2.28 has been created
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tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23459] COMMON_CPUID_INDEX_80000001 isn't populated for Intel processors
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23459
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/23145] _init/_fini aren't marked as hidden
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug locale/23164] LC_MONETARY data incorrect with static linking
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23164
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/22638] sparc: static binaries are broken if glibc is built by gcc configured with --enable-default-pie
Date: Wed, 01 Aug 2018 05:55:00 -0000
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23171] C++ iseqsig for long double converts arguments to double
Date: Wed, 01 Aug 2018 05:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23171
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23456] Wrong index_cpu_LZCNT
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23456
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/15512] __bswap_constant_16 not compiled when -Werror -Wsign-conversion is given
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=15512
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/18124] hppa: setcontext erroneously returns -1 as exit code for last constant.
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https://sourceware.org/bugzilla/show_bug.cgi?id=18124
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/20419] files with large allocated notes crash in open_verify
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20419
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug manual/20980] CFLAGS environment variable replaces vital options
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20980
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/13575] SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t, when __WORDSIZE != 64
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=13575
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The annotated tag, glibc-2.28 has been created
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replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/23458] tst-get-cpu-features-static isn't added to tests
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https://sourceware.org/bugzilla/show_bug.cgi?id=23458
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/14508] -Wformat warnings
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The annotated tag, glibc-2.28 has been created
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replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/23007] strtod cannot handle -nan
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23007
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/17979] inconsistency between uchar.h and stdint.h
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https://sourceware.org/bugzilla/show_bug.cgi?id=17979
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/23206] static-pie + dlopen breaks debugger interaction
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23206
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/17721] __restrict defined as /* Ignore */ even in c11
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17721
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/17082] htons et al.: statement-expressions prevent use on global scope with -O1 and higher
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17082
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/19463] linknamespace failures when compiled with -Os
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19463
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22947] FAIL: misc/tst-preadvwritev2
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https://sourceware.org/bugzilla/show_bug.cgi?id=22947
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tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/20530] bswap_16 should use __builtin_bswap16() when available
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20530
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/22766] all glibc internal dlopen should use RTLD_NOW for robust dlopen failures
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https://sourceware.org/bugzilla/show_bug.cgi?id=22766
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replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/21313] Compile Error GCC 5.4.0 MIPS with -0S
Date: Wed, 01 Aug 2018 05:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21313
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug soft-fp/18473] [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat symbols
Date: Wed, 01 Aug 2018 05:57:00 -0000
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/23303] undefined reference to symbol '__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23303
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22937] Greek (el_GR, el_CY) locales actually need ab_alt_mon
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22937
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug dynamic-link/19818] Absolute (SHN_ABS) symbols incorrectly relocated by the base address
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19818
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
Date: Wed, 01 Aug 2018 05:57:00 -0000
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This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug malloc/23351] Remove unused code related to heap dumps and malloc checking
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23351
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22786] Stack buffer overflow in realpath() if input size is close to SSIZE_MAX (CVE-2018-11236)
Date: Wed, 01 Aug 2018 05:57:00 -0000
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X-Bugzilla-Product: glibc
X-Bugzilla-Component: libc
X-Bugzilla-Version: 2.27
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X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: ppluzhnikov at google dot com
X-Bugzilla-Target-Milestone: 2.28
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https://sourceware.org/bugzilla/show_bug.cgi?id=22786
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/13888] /tmp usage during testing
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=13888
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nis/23266] stringop-truncation warning with new gcc8.1 in nisplus-parser.c
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23266
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/14095] Review / update collation data from Unicode / ISO 14651
Date: Wed, 01 Aug 2018 05:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=14095
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This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/23442] New warning with GCC 8
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23442
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22896] Update locale data for an_ES
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22896
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/23279] scanf and strtod wrong for some hex floating-point
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23279
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/23280] wscanf rounds wrong; wcstod is ok for negative numbers and directed rounding
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23280
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This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/20079] Add SHT_X86_64_UNWIND to elf.h
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20079
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/18471] llseek should be a compat symbol
Date: Wed, 01 Aug 2018 05:58:00 -0000
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This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/23208] New locale - Lower Sorbian (dsb)
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23208
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22848] ca_ES: update date definitions from CLDR
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22848
--- Comment #36 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22517] et_EE LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22517
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug malloc/22830] malloc_stats doesn't restore cancellation state on stderr
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22830
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/16552] Unify umount implementations in terms of umount2
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https://sourceware.org/bugzilla/show_bug.cgi?id=16552
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tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Wed, 01 Aug 2018 05:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22241
--- Comment #20 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/23277] nan function should not have const attribute
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23277
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The annotated tag, glibc-2.28 has been created
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tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/19485] csb_PL: Update month translations + add yesstr/nostr
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19485
--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/22902] float128 test failures with GCC 8
Date: Wed, 01 Aug 2018 05:59:00 -0000
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tagged by Carlos O'Donell
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- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23393
--- Comment #37 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/17438] pt_BR: wrong d_fmt delimiter
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17438
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug manual/21234] use of CFLAGS makes glibc detect no optimization
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21234
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug time/22639] year 2039 bug for localtime etc. on 64-bit platforms
Date: Wed, 01 Aug 2018 05:59:00 -0000
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/23152] gd_GB: Fix typo in "May" (abbreviated)
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23152
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22963] cs_CZ: Add alternative month names
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22963
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22932] lt_LT: Update of abbreviated month names from CLDR required
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https://sourceware.org/bugzilla/show_bug.cgi?id=22932
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/23422] oc_FR: More updates of locale data
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23422
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/15105] Extra PLT references with -Os
Date: Wed, 01 Aug 2018 05:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=15105
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug nptl/23137] s390: pthread_join sometimes block indefinitely (on 31bit and libc build with -Os)
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https://sourceware.org/bugzilla/show_bug.cgi?id=23137
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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https://sourceware.org/bugzilla/show_bug.cgi?id=6889
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug manual/16335] Feature test macro documentation incomplete and out of date
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https://sourceware.org/bugzilla/show_bug.cgi?id=16335
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/22987] [powerpc/sparc] fdim inlines errno, exceptions handling
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22987
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug math/23272] fma(INFINITY,INFIITY,0.0) should be INFINITY
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23272
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug time/22735] Misleading typo in time.h source comment regarding CLOCKS_PER_SECOND
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22735
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/14890] Make NT_PRFPREG canonical.
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=14890
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23307] Absolute symbols whose value is zero ignored in lookup
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23307
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/22996] change LC_PAPER to en_US in es_BO locale
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22996
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/19239] Including stdlib.h ends up with macros major and minor being defined
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https://sourceware.org/bugzilla/show_bug.cgi?id=19239
--- Comment #16 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug libc/21895] ppc64 setjmp/longjmp not fully interoperable with static dlopen
Date: Wed, 01 Aug 2018 06:01:00 -0000
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The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug localedata/23140] More languages need two forms of month names
Date: Wed, 01 Aug 2018 06:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23140
--- Comment #47 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The annotated tag, glibc-2.28 has been created
at 0774a9618b539692317d0950477e16a8c5074caf (tag)
tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug build/22862] _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
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https://sourceware.org/bugzilla/show_bug.cgi?id=22862
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The annotated tag, glibc-2.28 has been created
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tagging 3c03baca37fdcb52c3881e653ca392bba7a99c2b (commit)
replaces glibc-2.27.9000
tagged by Carlos O'Donell
on Wed Aug 1 01:20:23 2018 -0400
- Log -----------------------------------------------------------------
The GNU C Library
=================
The GNU C Library version 2.28 is now available.
The GNU C Library is used as *the* C library in the GNU system and
in GNU/Linux systems, as well as many other systems that use Linux
as the kernel.
The GNU C Library is primarily designed to be a portable
and high performance C library. It follows all relevant
standards including ISO C11 and POSIX.1-2008. It is also
internationalized and has one of the most complete
internationalization interfaces known.
The GNU C Library webpage is at http://www.gnu.org/software/libc/
Packages for the 2.28 release may be downloaded from:
http://ftpmirror.gnu.org/libc/
http://ftp.gnu.org/gnu/libc/
The mirror list is at http://www.gnu.org/order/ftp.html
NEWS for version 2.28
=====================
Major new features:
* The localization data for ISO 14651 is updated to match the 2016
Edition 4 release of the standard, this matches data provided by
Unicode 9.0.0. This update introduces significant improvements to the
collation of Unicode characters. This release deviates slightly from
the standard in that the collation element ordering for lowercase and
uppercase LATIN script characters is adjusted to ensure that regular
expressions with ranges like [a-z] and [A-Z] don't interleave e.g. A
is not matched by [a-z]. With the update many locales have been
updated to take advantage of the new collation information. The new
collation information has increased the size of the compiled locale
archive or binary locales.
* The GNU C Library can now be compiled with support for Intel CET, AKA
Intel Control-flow Enforcement Technology. When the library is built
with --enable-cet, the resulting glibc is protected with indirect
branch tracking (IBT) and shadow stack (SHSTK). CET-enabled glibc is
compatible with all existing executables and shared libraries. This
feature is currently supported on i386, x86_64 and x32 with GCC 8 and
binutils 2.29 or later. Note that CET-enabled glibc requires CPUs
capable of multi-byte NOPs, like x86-64 processors as well as Intel
Pentium Pro or newer. NOTE: --enable-cet has been tested for i686,
x86_64 and x32 on non-CET processors. --enable-cet has been tested
for x86_64 and x32 on CET SDVs, but Intel CET support hasn't been
validated for i686.
* The GNU C Library now has correct support for ABSOLUTE symbols
(SHN_ABS-relative symbols). Previously such ABSOLUTE symbols were
relocated incorrectly or in some cases discarded. The GNU linker can
make use of the newer semantics, but it must communicate it to the
dynamic loader by setting the ELF file's identification (EI_ABIVERSION
field) to indicate such support is required.
* Unicode 11.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 11.0.0, using
generator scripts contributed by Mike FABIAN (Red Hat).
* <math.h> functions that round their results to a narrower type are added
from TS 18661-1:2014 and TS 18661-3:2015:
- fadd, faddl, daddl and corresponding fMaddfN, fMaddfNx, fMxaddfN and
fMxaddfNx functions.
- fsub, fsubl, dsubl and corresponding fMsubfN, fMsubfNx, fMxsubfN and
fMxsubfNx functions.
- fmul, fmull, dmull and corresponding fMmulfN, fMmulfNx, fMxmulfN and
fMxmulfNx functions.
- fdiv, fdivl, ddivl and corresponding fMdivfN, fMdivfNx, fMxdivfN and
fMxdivfNx functions.
* Two grammatical forms of month names are now supported for the following
languages: Armenian, Asturian, Catalan, Czech, Kashubian, Occitan, Ossetian,
Scottish Gaelic, Upper Sorbian, and Walloon. The following languages now
support two grammatical forms in abbreviated month names: Catalan, Greek,
and Kashubian.
* Newly added locales: Lower Sorbian (dsb_DE) and Yakut (sah_RU) also
include the support for two grammatical forms of month names.
* Building and running on GNU/Hurd systems now works without out-of-tree
patches.
* The renameat2 function has been added, a variant of the renameat function
which has a flags argument. If the flags are zero, the renameat2 function
acts like renameat. If the flag is not zero and there is no kernel
support for renameat2, the function will fail with an errno value of
EINVAL. This is different from the existing gnulib function renameatu,
which performs a plain rename operation in case of a RENAME_NOREPLACE
flags and a non-existing destination (and therefore has a race condition
that can clobber the destination inadvertently).
* The statx function has been added, a variant of the fstatat64
function with an additional flags argument. If there is no direct
kernel support for statx, glibc provides basic stat support based on
the fstatat64 function.
* IDN domain names in getaddrinfo and getnameinfo now use the system libidn2
library if installed. libidn2 version 2.0.5 or later is recommended. If
libidn2 is not available, internationalized domain names are not encoded
or decoded even if the AI_IDN or NI_IDN flags are passed to getaddrinfo or
getnameinfo. (getaddrinfo calls with non-ASCII names and AI_IDN will fail
with an encoding error.) Flags which used to change the IDN encoding and
decoding behavior (AI_IDN_ALLOW_UNASSIGNED, AI_IDN_USE_STD3_ASCII_RULES,
NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES) have been
deprecated. They no longer have any effect.
* Parsing of dynamic string tokens in DT_RPATH, DT_RUNPATH, DT_NEEDED,
DT_AUXILIARY, and DT_FILTER has been expanded to support the full
range of ELF gABI expressions including such constructs as
'$ORIGIN$ORIGIN' (if valid). For SUID/GUID applications the rules
have been further restricted, and where in the past a dynamic string
token sequence may have been interpreted as a literal string it will
now cause a load failure. These load failures were always considered
unspecified behaviour from the perspective of the dynamic loader, and
for safety are now load errors e.g. /foo/${ORIGIN}.so in DT_NEEDED
results in a load failure now.
* Support for ISO C threads (ISO/IEC 9899:2011) has been added. The
implementation includes all the standard functions provided by
<threads.h>:
- thrd_current, thrd_equal, thrd_sleep, thrd_yield, thrd_create,
thrd_detach, thrd_exit, and thrd_join for thread management.
- mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock, and
mtx_destroy for mutual exclusion.
- call_once for function call synchronization.
- cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, and
cnd_wait for conditional variables.
- tss_create, tss_delete, tss_get, and tss_set for thread-local storage.
Application developers must link against libpthread to use ISO C threads.
Deprecated and removed features, and other changes affecting compatibility:
* The nonstandard header files <libio.h> and <_G_config.h> are no longer
installed. Software that was using either header should be updated to
use standard <stdio.h> interfaces instead.
* The stdio functions 'getc' and 'putc' are no longer defined as macros.
This was never required by the C standard, and the macros just expanded
to call alternative names for the same functions. If you hoped getc and
putc would provide performance improvements over fgetc and fputc, instead
investigate using (f)getc_unlocked and (f)putc_unlocked, and, if
necessary, flockfile and funlockfile.
* All stdio functions now treat end-of-file as a sticky condition. If you
read from a file until EOF, and then the file is enlarged by another
process, you must call clearerr or another function with the same effect
(e.g. fseek, rewind) before you can read the additional data. This
corrects a longstanding C99 conformance bug. It is most likely to affect
programs that use stdio to read interactive input from a terminal.
(Bug #1190.)
* The macros 'major', 'minor', and 'makedev' are now only available from
the header <sys/sysmacros.h>; not from <sys/types.h> or various other
headers that happen to include <sys/types.h>. These macros are rarely
used, not part of POSIX nor XSI, and their names frequently collide with
user code; see https://sourceware.org/bugzilla/show_bug.cgi?id=19239 for
further explanation.
<sys/sysmacros.h> is a GNU extension. Portable programs that require
these macros should first include <sys/types.h>, and then include
<sys/sysmacros.h> if __GNU_LIBRARY__ is defined.
* The tilegx*-*-linux-gnu configurations are no longer supported.
* The obsolete function ustat is no longer available to newly linked
binaries; the headers <ustat.h> and <sys/ustat.h> have been removed. This
function has been deprecated in favor of fstatfs and statfs.
* The obsolete function nfsservctl is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and could not usefully be used with the GNU C Library on systems with
version 3.1 or later of the Linux kernel.
* The obsolete function name llseek is no longer available to newly linked
binaries. This function was specific to systems using the Linux kernel
and was not declared in a header. Programs should use the lseek64 name
for this function instead.
* The AI_IDN_ALLOW_UNASSIGNED and NI_IDN_ALLOW_UNASSIGNED flags for the
getaddrinfo and getnameinfo functions have been deprecated. The behavior
previously selected by them is now always enabled.
* The AI_IDN_USE_STD3_ASCII_RULES and NI_IDN_USE_STD3_ASCII_RULES flags for
the getaddrinfo and getnameinfo functions have been deprecated. The STD3
restriction (rejecting '_' in host names, among other things) has been
removed, for increased compatibility with non-IDN name resolution.
* The fcntl function now have a Long File Support variant named fcntl64. It
is added to fix some Linux Open File Description (OFD) locks usage on non
LFS mode. As for others *64 functions, fcntl64 semantics are analogous with
fcntl and LFS support is handled transparently. Also for Linux, the OFD
locks act as a cancellation entrypoint.
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
ecb_crypt, and des_setparity are no longer available to newly linked
binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
longer installed. These functions encrypted and decrypted data with the
DES block cipher, which is no longer considered secure. Software that
still uses these functions should switch to a modern cryptography library,
such as libgcrypt.
* Reflecting the removal of the encrypt and setkey functions above, the
macro _XOPEN_CRYPT is no longer defined. As a consequence, the crypt
function is no longer declared unless _DEFAULT_SOURCE or _GNU_SOURCE is
enabled.
* The obsolete function fcrypt is no longer available to newly linked
binaries. It was just another name for the standard function crypt,
and it has not appeared in any header file in many years.
* We have tentative plans to hand off maintenance of the passphrase-hashing
library, libcrypt, to a separate development project that will, we hope,
keep up better with new passphrase-hashing algorithms. We will continue
to declare 'crypt' in <unistd.h>, and programs that use 'crypt' or
'crypt_r' should not need to change at all; however, distributions will
need to install <crypt.h> and libcrypt from a separate project.
In this release, if the configure option --disable-crypt is used, glibc
will not install <crypt.h> or libcrypt, making room for the separate
project's versions of these files. The plan is to make this the default
behavior in a future release.
Changes to build and runtime requirements:
GNU make 4.0 or later is now required to build glibc.
Security related changes:
CVE-2016-6261, CVE-2016-6263, CVE-2017-14062: Various vulnerabilities have
been fixed by removing the glibc-internal IDNA implementation and using
the system-provided libidn2 library instead. Originally reported by Hanno
Böck and Christian Weisgerber.
CVE-2017-18269: An SSE2-based memmove implementation for the i386
architecture could corrupt memory. Reported by Max Horn.
CVE-2018-11236: Very long pathname arguments to realpath function could
result in an integer overflow and buffer overflow. Reported by Alexey
Izbyshev.
CVE-2018-11237: The mempcpy implementation for the Intel Xeon Phi
architecture could write beyond the target buffer, resulting in a buffer
overflow. Reported by Andreas Schwab.
The following bugs are resolved with this release:
[1190] stdio: fgetc()/fread() behaviour is not POSIX compliant
[6889] manual: 'PWD' mentioned but not specified
[13575] libc: SSIZE_MAX defined as LONG_MAX is inconsistent with ssize_t,
when __WORDSIZE != 64
[13762] regex: re_search etc. should return -2 on memory exhaustion
[13888] build: /tmp usage during testing
[13932] math: dbl-64 pow unexpectedly slow for some inputs
[14092] nptl: Support C11 threads
[14095] localedata: Review / update collation data from Unicode / ISO
14651
[14508] libc: -Wformat warnings
[14553] libc: Namespace pollution loff_t in sys/types.h
[14890] libc: Make NT_PRFPREG canonical.
[15105] libc: Extra PLT references with -Os
[15512] libc: __bswap_constant_16 not compiled when -Werror -Wsign-
conversion is given
[16335] manual: Feature test macro documentation incomplete and out of
date
[16552] libc: Unify umount implementations in terms of umount2
[17082] libc: htons et al.: statement-expressions prevent use on global
scope with -O1 and higher
[17343] libc: Signed integer overflow in /stdlib/random_r.c
[17438] localedata: pt_BR: wrong d_fmt delimiter
[17662] libc: please implement binding for the new renameat2 syscall
[17721] libc: __restrict defined as /* Ignore */ even in c11
[17979] libc: inconsistency between uchar.h and stdint.h
[18018] dynamic-link: Additional $ORIGIN handling issues (CVE-2011-0536)
[18023] libc: extend_alloca is broken (questionable pointer comparison,
horrible machine code)
[18124] libc: hppa: setcontext erroneously returns -1 as exit code for
last constant.
[18471] libc: llseek should be a compat symbol
[18473] soft-fp: [powerpc-nofpu] __sqrtsf2, __sqrtdf2 should be compat
symbols
[18991] nss: nss_files skips large entry in database
[19239] libc: Including stdlib.h ends up with macros major and minor being
defined
[19463] libc: linknamespace failures when compiled with -Os
[19485] localedata: csb_PL: Update month translations + add yesstr/nostr
[19527] locale: Normalized charset name not recognized by setlocale
[19667] string: Missing Sanity Check for malloc calls in file 'testcopy.c'
[19668] libc: Missing Sanity Check for malloc() in file 'tst-setcontext-
fpscr.c'
[19728] network: out of bounds stack read in libidn function
idna_to_ascii_4i (CVE-2016-6261)
[19729] network: out of bounds heap read on invalid utf-8 inputs in
stringprep_utf8_nfkc_normalize (CVE-2016-6263)
[19818] dynamic-link: Absolute (SHN_ABS) symbols incorrectly relocated by
the base address
[20079] libc: Add SHT_X86_64_UNWIND to elf.h
[20251] libc: 32bit programs pass garbage in struct flock for OFD locks
[20419] dynamic-link: files with large allocated notes crash in
open_verify
[20530] libc: bswap_16 should use __builtin_bswap16() when available
[20890] dynamic-link: ldconfig: fsync the files before atomic rename
[20980] manual: CFLAGS environment variable replaces vital options
[21163] regex: Assertion failure in pop_fail_stack when executing a
malformed regexp (CVE-2015-8985)
[21234] manual: use of CFLAGS makes glibc detect no optimization
[21269] dynamic-link: i386 sigaction sa_restorer handling is wrong
[21313] build: Compile Error GCC 5.4.0 MIPS with -0S
[21314] build: Compile Error GCC 5.2.0 MIPS with -0s
[21508] locale: intl/tst-gettext failure with latest msgfmt
[21547] localedata: Tibetan script collation broken (Dzongkha and Tibetan)
[21812] network: getifaddrs() returns entries with ifa_name == NULL
[21895] libc: ppc64 setjmp/longjmp not fully interoperable with static
dlopen
[21942] dynamic-link: _dl_dst_substitute incorrectly handles $ORIGIN: with
AT_SECURE=1
[22241] localedata: New locale: Yakut (Sakha) locale for Russia (sah_RU)
[22247] network: Integer overflow in the decode_digit function in
puny_decode.c in libidn (CVE-2017-14062)
[22342] nscd: NSCD not properly caching netgroup
[22391] nptl: Signal function clear NPTL internal symbols inconsistently
[22550] localedata: es_ES locale (and other es_* locales): collation
should treat ñ as a primary different character, sync the collation
for Spanish with CLDR
[22638] dynamic-link: sparc: static binaries are broken if glibc is built
by gcc configured with --enable-default-pie
[22639] time: year 2039 bug for localtime etc. on 64-bit platforms
[22644] string: memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269)
[22646] localedata: redundant data (LC_TIME) for es_CL, es_CU, es_EC and
es_BO
[22735] time: Misleading typo in time.h source comment regarding
CLOCKS_PER_SECOND
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22761] libc: No trailing `%n' conversion specifier in FMT passed from
`__assert_perror_fail ()' to `__assert_fail_base ()'
[22766] libc: all glibc internal dlopen should use RTLD_NOW for robust
dlopen failures
[22786] libc: Stack buffer overflow in realpath() if input size is close
to SSIZE_MAX (CVE-2018-11236)
[22787] dynamic-link: _dl_check_caller returns false when libc is linked
through an absolute DT_NEEDED path
[22792] build: tcb-offsets.h dependency dropped
[22797] libc: pkey_get() uses non-reserved name of argument
[22807] libc: PTRACE_* constants missing for powerpc
[22818] glob: posix/tst-glob_lstat_compat failure on alpha
[22827] dynamic-link: RISC-V ELF64 parser mis-reads flag in ldconfig
[22830] malloc: malloc_stats doesn't restore cancellation state on stderr
[22848] localedata: ca_ES: update date definitions from CLDR
[22862] build: _DEFAULT_SOURCE is defined even when _ISOC11_SOURCE is
[22884] math: RISCV fmax/fmin handle signalling NANs incorrectly
[22896] localedata: Update locale data for an_ES
[22902] math: float128 test failures with GCC 8
[22918] libc: multiple common of `__nss_shadow_database'
[22919] libc: sparc32: backtrace yields infinite backtrace with
makecontext
[22926] libc: FTBFS on powerpcspe
[22932] localedata: lt_LT: Update of abbreviated month names from CLDR
required
[22937] localedata: Greek (el_GR, el_CY) locales actually need ab_alt_mon
[22947] libc: FAIL: misc/tst-preadvwritev2
[22963] localedata: cs_CZ: Add alternative month names
[22987] math: [powerpc/sparc] fdim inlines errno, exceptions handling
[22996] localedata: change LC_PAPER to en_US in es_BO locale
[22998] dynamic-link: execstack tests are disabled when SELinux is
disabled
[23005] network: Crash in __res_context_send after memory allocation
failure
[23007] math: strtod cannot handle -nan
[23024] nss: getlogin_r is performing NSS lookups when loginid isn't set
[23036] regex: regex equivalence class regression
[23037] libc: initialize msg_flags to zero for sendmmsg() calls
[23069] libc: sigaction broken on riscv64-linux-gnu
[23094] localedata: hr_HR: wrong thousands_sep and mon_thousands_sep
[23102] dynamic-link: Incorrect parsing of multiple consecutive $variable
patterns in runpath entries (e.g. $ORIGIN$ORIGIN)
[23137] nptl: s390: pthread_join sometimes block indefinitely (on 31bit
and libc build with -Os)
[23140] localedata: More languages need two forms of month names
[23145] libc: _init/_fini aren't marked as hidden
[23152] localedata: gd_GB: Fix typo in "May" (abbreviated)
[23171] math: C++ iseqsig for long double converts arguments to double
[23178] nscd: sudo will fail when it is run in concurrent with commands
that changes /etc/passwd
[23196] string: __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237)
[23206] dynamic-link: static-pie + dlopen breaks debugger interaction
[23208] localedata: New locale - Lower Sorbian (dsb)
[23233] regex: Memory leak in build_charclass_op function in file
posix/regcomp.c
[23236] stdio: Harden function pointers in _IO_str_fields
[23250] nptl: Offset of __private_ss differs from GCC
[23253] math: tgamma test suite failures on i686 with -march=x86-64
-mtune=generic -mfpmath=sse
[23259] dynamic-link: Unsubstituted ${ORIGIN} remains in DT_NEEDED for
AT_SECURE
[23264] libc: posix_spawnp wrongly executes ENOEXEC in non compat mode
[23266] nis: stringop-truncation warning with new gcc8.1 in nisplus-
parser.c
[23272] math: fma(INFINITY,INFIITY,0.0) should be INFINITY
[23277] math: nan function should not have const attribute
[23279] math: scanf and strtod wrong for some hex floating-point
[23280] math: wscanf rounds wrong; wcstod is ok for negative numbers and
directed rounding
[23290] localedata: IBM273 is not equivalent to ISO-8859-1
[23303] build: undefined reference to symbol
'__parse_hwcap_and_convert_at_platform@@GLIBC_2.23'
[23307] dynamic-link: Absolute symbols whose value is zero ignored in
lookup
[23313] stdio: libio vtables validation and standard file object
interposition
[23329] libc: The __libc_freeres infrastructure is not properly run across
DSO boundaries.
[23349] libc: Various glibc headers no longer compatible with
<linux/time.h>
[23351] malloc: Remove unused code related to heap dumps and malloc
checking
[23363] stdio: stdio-common/tst-printf.c has non-free license
[23396] regex: Regex equivalence regression in single-byte locales
[23422] localedata: oc_FR: More updates of locale data
[23442] build: New warning with GCC 8
[23448] libc: Out of bounds access in IBM-1390 converter
[23456] libc: Wrong index_cpu_LZCNT
[23458] build: tst-get-cpu-features-static isn't added to tests
[23459] libc: COMMON_CPUID_INDEX_80000001 isn't populated for Intel
processors
[23467] dynamic-link: x86/CET: A property note parser bug
Release Notes
=============
https://sourceware.org/glibc/wiki/Release/2.28
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
Adhemerval Zanella
Agustina Arzille
Alan Modra
Alexandre Oliva
Amit Pawar
Andreas Schwab
Andrew Senkevich
Andrew Waterman
Aurelien Jarno
Carlos O'Donell
Chung-Lin Tang
DJ Delorie
Daniel Alvarez
David Michael
Dmitry V. Levin
Dragan Stanojevic - Nevidljivi
Florian Weimer
Flávio Cruz
Francois Goichon
Gabriel F. T. Gomes
H.J. Lu
Herman ten Brugge
Hongbo Zhang
Igor Gnatenko
Jesse Hathaway
John David Anglin
Joseph Myers
Leonardo Sandoval
Maciej W. Rozycki
Mark Wielaard
Martin Sebor
Michael Wolf
Mike FABIAN
Patrick McGehearty
Patsy Franklin
Paul Pluzhnikov
Quentin PAGÈS
Rafal Luzynski
Rajalakshmi Srinivasaraghavan
Raymond Nicholson
Rical Jasan
Richard Braun
Robert Buj
Rogerio Alves
Samuel Thibault
Sean McKean
Siddhesh Poyarekar
Stefan Liebler
Steve Ellcey
Sylvain Lesage
Szabolcs Nagy
Thomas Schwinge
Tulio Magno Quites Machado Filho
Valery Timiriliyev
Vincent Chen
Wilco Dijkstra
Zack Weinberg
Zong Li
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Adhemerval Zanella (48):
Update SH libm-tests-ulps
Rename nptl-signals.h to internal-signals.h
Refactor atfork handlers
Update sparc ulps
i386: Fix i386 sigaction sa_restorer initialization (BZ#21269)
nptl: Fix tst-cancel4 sendto tests
Define _DIRENT_MATCHES_DIRENT64 regardless
Refactor Linux ARCH_FORK implementation
powerpc: Fix TLE build for SPE (BZ #22926)
sparc: Fix arch_fork definition
Add Changelog reference to BZ#23024
Assume O_DIRECTORY for opendir
Filter out NPTL internal signals (BZ #22391)
linux: Consolidate sigaction implementation
Update ARM libm-test-ulps.
Update SPARC libm-test-ulps.
Update i386 libm-test-ulps.
Consolidate Linux readdir{64}{_r} implementation
arm: Remove ununsed ARM code in optimized implementation
Consolidate Linux getdents{64} implementation
Fix mips64n32 getdents alias
Consolidate scandir{at}{64} implementation
Update hppa libm-test-ulps
Consolidate alphasort{64} and versionsort{64} implementation
Consolidate getdirentries{64} implementation
Consolidate Linux readahead implementation
Deprecate ustat syscall interface
Fix ChangeLog from cf2478d53ad commit
Fix concurrent changes on nscd aware files (BZ #23178)
posix: Fix posix_spawnp to not execute invalid binaries in non compat
mode (BZ#23264)
Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)
Revert hurd errno.h changes
Fix hurd expected fcntl version
posix: Sync gnulib regex implementation
posix: Fix bug-regex33 after regex sync
Comment tst-ofdlocks-compat expected failure in some Linux releases
nptl: Add C11 threads thrd_* functions
nptl: Add C11 threads mtx_* functions
nptl: Add C11 threads call_once functions
nptl: Add C11 threads cnd_* functions
nptl: Add C11 threads tss_* functions
nptl: Add abilist symbols for C11 threads
nptl: Add test cases for ISO C11 threads
Mention ISO C threads addition
Fix C11 conformance issues
Fix ISO C threads installed header and HURD assumption
Fix Linux fcntl OFD locks on unsupported kernels
Update SH libm-tests-ulps
Agustina Arzille (2):
hurd: Rewrite __libc_cleanup_*
hurd: Reimplement libc locks using mach's gsync
Alan Modra (1):
R_PARISC_TLS_DTPOFF32 reloc handling
Alexandre Oliva (1):
Revert:
Amit Pawar (1):
Use AVX_Fast_Unaligned_Load from Zen onwards.
Andreas Schwab (11):
Fix uninitialized variable in assert_perror (bug 22761)
Fix multiple definitions of __nss_*_database (bug 22918)
RISC-V: add remaining relocations
Fix crash in resolver on memory allocation failure (bug 23005)
Fix missing @ before texinfo command
Add aliases to recognize normalized charset names (bug 19527)
Fix comment typo
Remove unneeded setting of errno after malloc failure
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
Fix out-of-bounds access in IBM-1390 converter (bug 23448)
Fix out of bounds access in findidxwc (bug 23442)
Andrew Senkevich (1):
Fix i386 memmove issue (bug 22644).
Andrew Waterman (1):
RISC-V: fmax/fmin: Handle signalling NaNs correctly.
Aurelien Jarno (4):
intl/tst-gettext: fix failure with newest msgfmt
Fix posix/tst-glob_lstat_compat on alpha [BZ #22818]
sparc32: Add nop before __startcontext to stop unwinding [BZ #22919]
Add tst-sigaction.c to test BZ #23069
Carlos O'Donell (17):
Fix -Os log1p, log1pf build (bug 21314).
Improve DST handling (Bug 23102, Bug 21942, Bug 18018, Bug 23259).
Fix fallback path in __pthread_mutex_timedlock ().
Fix comments in _dl_dst_count and _dl_dst_substitute.
libc: Extend __libc_freeres framework (Bug 23329).
locale: XFAIL newlocale usage in static binary (Bug 23164)
Keep expected behaviour for [a-z] and [A-z] (Bug 23393).
Add missing localedata/en_US.UTF-8.in (Bug 23393).
Update libc.pot.
Update NEWS with ISO 14651 update information.
Update translations for cs, pl, and uk.
Update translations for bg, de, hr, pt_BR, sv, and vi.
Update translation for be.
Update contrib.texi contributions.
Update tooling versions verified to work with glibc.
Synchronize translation project PO files.
Update NEWS, version.h, and features.h for glibc 2.28.
Chung-Lin Tang (1):
Update sysdeps/nios2/libm-test-ulps
DJ Delorie (5):
[RISC-V] Fix parsing flags in ELF64 files.
RISC-V: Do not initialize $gp in TLS macros.
Update ChangeLog for BZ 22884 - riscv fmax/fmin
[BZ #22342] Fix netgroup cache keys.
Update kernel version in syscall-names.list to 4.16.
Daniel Alvarez (1):
getifaddrs: Don't return ifa entries with NULL names [BZ #21812]
David Michael (1):
Lookup the startup server through /servers/startup
Dmitry V. Levin (3):
linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]
linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
Update translations from the Translation Project
Dragan Stanojevic - Nevidljivi (1):
hr_HR locale: fix thousands_sep and mon_thousands_sep
Florian Weimer (72):
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Record CVE-2018-6551 in NEWS and ChangeLog [BZ #22774]
getlogin_r: switch Linux variant to struct scratch_buffer
elf: Remove ad-hoc restrictions on dlopen callers [BZ #22787]
ldconfig: Sync temporary files to disk before renaming them [BZ #20890]
nptl: Move pthread_atfork to libc_nonshared.a
nptl: Drop libpthread_nonshared.a from libpthread.so
nptl: Turn libpthread.so into a symbolic link to the real DSO
malloc: Revert sense of prev_inuse in comments
Linux i386: tst-bz21269 triggers SIGBUS on some kernels
support_format_addrinfo: Include unknown error number in result
inet: Actually build and run tst-deadline
manual: Move mbstouwcs to an example C file
manual: Various fixes to the mbstouwcs example, and mbrtowc update
resolv: Fully initialize struct mmsghdr in send_dg [BZ #23037]
sunrpc: Remove stray exports without --enable-obsolete-rpc [BZ #23166]
time: Use 64-bit time values for time zone parsing
math: Merge strtod_nan_*.h into math-type-macros-*.h
support: Add TEST_COMPARE_BLOB, support_quote_blob
math: Reverse include order in <math-type-macros-*.h>
i386: Drop -mpreferred-stack-boundary=4
Implement allocate_once for atomic initialization with allocation
Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
stdlib: Additional tests need generated locale dependencies
support: Add wrappers for pthread_barrierattr_t
libio: Avoid _allocate_buffer, _free_buffer function pointers [BZ #23236]
Remove sysdeps/generic/libcidn.abilist
math: Update i686 ulps
math: Update i686 ulps (--disable-multi-arch configuration)
x86: Make strncmp usable from rtld
scripts/update-abilist.sh: Accept empty list of files to patch
localedata: Make IBM273 compatible with ISO-8859-1 [BZ #23290]
Linux: Create Netlink socket with SOCK_CLOEXEC in __check_pf [BZ #15722]
libio: Avoid ptrdiff_t overflow in IO_validate_vtable
math: Set 387 and SSE2 rounding mode for tgamma on i386 [BZ #23253]
nscd restart: Use malloc instead of extend_alloca [BZ #18023]
nscd: Use struct scratch_buffer, not extend_alloca in most caches [BZ
#18023]
nscd: Switch to struct scratch_buffer in adhstaiX [BZ #18023]
getgrent_next_nss (compat-initgroups): Remove alloca fallback [BZ #18023]
_nss_nis_initgroups_dyn: Use struct scratch_buffer [BZ #18023]
getent: Use dynarray in initgroups_keys [BZ #18023]
nss_files: Use struct scratch_buffer instead of extend_alloca [BZ #18023]
libio: Disable vtable validation in case of interposition [BZ #23313]
support: Add TEST_NO_SETVBUF
libio: Add tst-vtables, tst-vtables-interposed
sunrpc: Remove always-defined _RPC_THREAD_SAFE_ macro
Run thread shutdown functions in an explicit order
wordexp: Rewrite parse_tilde to use struct scratch_buffer [BZ #18023]
gethostid (Linux variant): Switch to struct scratch_buffer [BZ #18023]
_dl_map_object_deps: Use struct scratch_buffer [BZ #18023]
Remove macros extend_alloca, extend_alloca_account [BZ #18023]
Use _STRUCT_TIMESPEC as guard in <bits/types/struct_timespec.h> [BZ
#23349]
malloc: Update heap dumping/undumping comments [BZ #23351]
stdio-common/tst-printf.c: Remove part under a non-free license [BZ
#23363]
testrun.sh: Implement --tool=strace, --tool=valgrind
Add renameat2 function [BZ #17662]
Compile debug/stack_chk_fail_local.c with stack protector
Build csu/elf-init.c and csu/static-reloc.c with stack protector
conform/conformtest.pl: Escape literal braces in regular expressions
libio: Implement internal function __libc_readline_unlocked
nss_files: Fix re-reading of long lines [BZ #18991]
Fix copyright years in recent commits
regexec: Fix off-by-one bug in weight comparison [BZ #23036]
Add the statx function
Install <bits/statx.h> header
nptl: Use __mprotect consistently for _STACK_GROWS_UP
regcomp: Fix off-by-one bug in build_equiv_class [BZ #23396]
sh: Do not define __ASSUME_STATX
alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
C11 threads: Fix timeout and locking issues
htl: Use weak aliases for public symbols
Flávio Cruz (1):
hurd: Define and pass UTIME_NOW and UTIME_OMIT to new file_utimens RPC
Francois Goichon (1):
malloc: harden removal from unsorted list
Gabriel F. T. Gomes (3):
powerpc64*: fix the order of implied sysdeps directories
Fix parameter type in C++ version of iseqsig (bug 23171)
ldbl-128ibm-compat: Add printf_size
H.J. Lu (76):
sparc: Check PIC instead of SHARED in start.S [BZ #22638]
x86-64: Use __glibc_likely/__glibc_likely in dl-machine.h
Add a missing ChangeLog item in commit 371b220f620
Fix a typo in ChangeLog entry
i386: Use __glibc_likely/__glibc_likely in dl-machine.h
Add DT_SYMTAB_SHNDX from gABI
Use ADDRIDX with DT_GNU_HASH
Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]
Fix a typo in ChangeLog (bit_cpu_BIT -> bit_cpu_IBT)
Fix a typo in ChangeLog: auch_fork -> arch_fork
Remove hidden __libc_longjmp
Add $(tests-execstack-$(have-z-execstack)) after defined [BZ #22998]
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
x86: Use pad in pthread_unwind_buf to preserve shadow stack register
x86-64/setcontext: Pop the pointer into %rdx after syscall
cl
x86-64/swapcontext: Restore the pointer into %rdx after syscall
x86-64/memset: Mark the debugger symbol as hidden
x86-64: Remove the unnecessary testl in strlen-avx2.S
x86: Add sysdeps/x86/ldsodefs.h
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
x86-64: Use IFUNC strncat inside libc.so
nptl: Remove __ASSUME_PRIVATE_FUTEX
Initial Fast Short REP MOVSB (FSRM) support
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Add a test case for [BZ #23196]
x86-64: Skip zero length in __mem[pcpy|move|set]_erms
static-PIE: Update DT_DEBUG for debugger [BZ #23206]
Mark _init and _fini as hidden [BZ #23145]
i386: Change offset of __private_ss to 0x30 [BZ #23250]
benchtests: Add -f/--functions argument
x86: Rename __glibc_reserved1 to feature_1 in tcbhead_t [BZ #22563]
x86: Support shadow stack pointer in setjmp/longjmp
x86_64: Undef SHADOW_STACK_POINTER_OFFSET last
x86: Support IBT and SHSTK in Intel CET [BZ #21598]
x86: Always include <dl-cet.h>/cet-tunables.h> for --enable-cet
x86: Add _CET_ENDBR to functions in crti.S
x86: Add _CET_ENDBR to functions in dl-tlsdesc.S
x86-64: Add _CET_ENDBR to STRCMP_SSE42
i386: Add _CET_ENDBR to indirect jump targets in add_n.S/sub_n.S
x86_64: Use _CET_NOTRACK in strcmp.S
x86-64: Use _CET_NOTRACK in strcpy-sse2-unaligned.S
x86-64: Use _CET_NOTRACK in strcmp-sse42.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3-back.S
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in i686/memcmp.S
i386: Use _CET_NOTRACK in memset-sse2.S
i386: Use _CET_NOTRACK in memcmp-sse4.S
i386: Use _CET_NOTRACK in memcpy-ssse3-rep.S
i386: Use _CET_NOTRACK in memcpy-ssse3.S
i386: Use _CET_NOTRACK in strcpy-sse2.S
i386: Use _CET_NOTRACK in strcat-sse2.S
i386: Use _CET_NOTRACK in memset-sse2-rep.S
x86-64: Use _CET_NOTRACK in memcmp-sse4.S
Intel CET: Document --enable-cet
x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk
INSTALL: Add a note for Intel CET status
x86-64: Add endbr64 to tst-quadmod[12].S
x86: Update vfork to pop shadow stack
Add <bits/indirect-return.h>
x86/CET: Extend arch_prctl syscall for CET control
x86: Rename __glibc_reserved2 to ssp_base in tcbhead_t
x86/CET: Add tests with legacy non-CET shared objects
Add a test for multiple makecontext calls
Add another test for setcontext
Add a test for multiple setcontext calls
Add tests for setcontext on the context from makecontext
x86-64/CET: Extend ucontext_t to save shadow stack
x86/CET: Add a setcontext test for CET
ia64: Work around incorrect type of IA64 uc_sigmask
x86: Correct index_cpu_LZCNT [BZ # 23456]
x86: Populate COMMON_CPUID_INDEX_80000001 for Intel CPUs [BZ #23459]
Add the missing ChangeLog entry for commit be525a69a66
x86/CET: Don't parse beyond the note end
x86: Add tst-get-cpu-features-static to $(tests) [BZ #23458]
x86/CET: Fix property note parser [BZ #23467]
Herman ten Brugge (1):
Fix sign of NaN returned by strtod (bug 23007).
Hongbo Zhang (1):
aarch64: add HXT Phecda core memory operation ifuncs
Igor Gnatenko (1):
Linux: use reserved name __key in pkey_get [BZ #22797]
Jesse Hathaway (1):
getlogin_r: return early when linux sentinel value is set
John David Anglin (2):
Fix ulps for pow on hppa.
The hppa-linux target still requires an executable stack for kernel
Joseph Myers (110):
Do not use packed structures in soft-fp.
Fix m68k bits/fenv.h for no-FPU ColdFire.
Add ColdFire math-tests.h.
Move some fenv.h override macros to generic math_private.h.
Move fenv.h override inline functions to generic math_private.h.
Add feholdexcept inline in generic math_private.h.
Remove some math_private.h libc_fe* overrides.
Remove some math_private.h libc_feholdexcept_setround overrides.
Move LDBL_CLASSIFY_COMPAT to its own header.
Update syscall-names.list for 4.15.
Add MAP_SHARED_VALIDATE from Linux 4.15.
Add MAP_SYNC from Linux 4.15.
Add elf.h NT_* macros from Linux 4.15 (bug 14890).
Add IPV6_FREEBIND from Linux 4.15.
Add TCP_FASTOPEN_KEY, TCP_FASTOPEN_NO_COOKIE from Linux 4.15.
Only define loff_t for __USE_MISC (bug 14553).
Use xmalloc in tst-setcontext-fpscr.c (bug 19668).
Correct type of SSIZE_MAX for 32-bit (bug 13575).
Move string/testcopy.c to test-driver.c and xmalloc (bug 19667).
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Unify and simplify bits/byteswap.h, bits/byteswap-16.h headers (bug
14508, bug 15512, bug 17082, bug 20530).
Fix -Os strcoll, wcscoll, build (bug 21313).
Fix -Os gnu_dev_* linknamespace, localplt issues (bug 15105, bug 19463).
Use MPFR 4.0.1 in build-many-glibcs.py.
Define char16_t, char32_t consistently with uint_least16_t,
uint_least32_t (bug 17979).
Remove unused math/Makefile variable libm-test-incs.
Add build infrastructure for narrowing libm functions.
Add test infrastructure for narrowing libm functions.
Handle narrowing function sNaN test disabling based on argument format.
Fix narrowing function tests build for powerpc64le.
Add narrowing add functions.
Fix -Os feof_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Use libc_hidden_* for fputs (bug 15105).
Use libc_hidden_* for __cmsg_nxthdr (bug 15105).
Use libc_hidden_* for argz_next, __argz_next (bug 15105).
Fix hppa local PLT entries for sigprocmask (bug 18124).
Document use of CC and CFLAGS in more detail (bug 20980, bug 21234).
Fix -Os ferror_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os getc_unlocked linknamespace, localplt issues (bug 15105, bug
19463).
Fix -Os putc_unlocked, fputc_unlocked linknamespace, localplt issues (bug
15105, bug 19463).
Use libc_hidden_* for tolower, toupper (bug 15105).
Use libc_hidden_* for atoi (bug 15105).
Fix another -Os strcoll build issue.
Fix two more -Os strcoll / wcscoll build failures.
Use libc_hidden_* for strtoumax (bug 15105).
Fix i386 fenv_private.h float128 for 32-bit --with-fpmath=sse (bug
22902).
Fix powerpc ifunc-sel.h build for -Os.
Fix s390 -Os iconv build.
Remove old-GCC parts of x86 bits/mathinline.h.
Remove more old-compilers parts of sysdeps/x86/fpu/bits/mathinline.h.
Update i386 libm-test-ulps.
Remove sysdeps/x86/fpu/bits/mathinline.h __finite inline.
Add SHT_X86_64_UNWIND to elf.h (bug 20079).
Add narrowing subtract functions.
Fix signed integer overflow in random_r (bug 17343).
Remove powerpc, sparc fdim inlines (bug 22987).
Use x86_64 backtrace as generic version.
Remove unused frame.h header, sigcontextinfo.h macros.
Unify umount function implementations (bug 16552).
Use Linux 4.16 in build-many-glibcs.py.
Make build-many-glibcs.py build GCC for powerpcspe with
--enable-obsolete.
Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM.
Define XTABS to TAB3 on alpha to match Linux 4.16.
Add NT_PPC_PKEY from Linux 4.16 to elf.h.
Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.
Fix Hurd glibc build with GCC 8.
Use GCC 8 in build-many-glibcs.py by default.
Remove tilegx port.
Ignore absolute symbols in ABI tests.
Move math_narrow_eval to separate math-narrow-eval.h.
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
Move math_check_force_underflow macros to separate math-underflow.h.
Do not include math-barriers.h in math_private.h.
Add narrowing multiply functions.
Update MIPS libm-test-ulps.
Add narrowing divide functions.
Fix year 2039 bug for localtime with 64-bit time_t (bug 22639).
Obsolete nfsservctl.
Split test-tgmath3 by function.
Make llseek a compat symbol (bug 18471).
Fix i686-linux-gnu build with GCC mainline.
Remove sysdeps/aarch64/soft-fp directory.
Remove sysdeps/alpha/soft-fp directory.
Remove sysdeps/sh/soft-fp directory.
Remove sysdeps/powerpc/soft-fp directory.
Remove sysdeps/sparc/sparc32/soft-fp directory.
Remove sysdeps/sparc/sparc64/soft-fp directory.
Make powerpc-nofpu __sqrtsf2, __sqrtdf2 compat symbols (bug 18473).
Use Linux 4.17 in build-many-glibcs.py.
Update kernel version in syscall-names.list to 4.17.
Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Add AArch64 hwcap values from Linux 4.17.
Fix ldbl-96 fma (Inf, Inf, finite) (bug 23272).
Do not use const attribute for nan functions (bug 23277).
Fix strtod overflow detection (bug 23279).
Ignore -Wrestrict for one strncat test.
Add tests for sign of NaN returned by strtod (bug 23007).
Fix powerpc64le build of nan-sign tests (bug 23303).
Update MAP_TYPE value for hppa from Linux 4.17.
Add MSG_STAT_ANY from Linux 4.17 to bits/msq.h.
Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.
Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.
Fix scanf rounding of negative floating-point numbers (bug 23280).
Fix bug-strspn1.c, bug-strpbrk1.c build with GCC mainline.
Fix tst-cmp.c build with GCC mainline.
Fix hardcoded /tmp paths in testing (bug 13888).
Remove nptl/sockperf.c.
Avoid insecure usage of tmpnam in tests.
Use binutils 2.31 branch in build-many-glibcs.py.
Update powerpc-nofpu ulps.
Leonardo Sandoval (6):
x86-64: remove duplicate line on PREFETCH_ONE_SET macro
Add missing changelog from previous commit
x86-64: Optimize strcmp/wcscmp and strncmp/wcsncmp with AVX2
benchtests: Add --no-diff and --no-header options
benchtests: Catch exceptions in input arguments
benchtests: improve argument parsing through argparse library
Maciej W. Rozycki (6):
nptl_db: Remove stale `match_pid' parameter from `iterate_thread_list'
elf: Unify symbol address run-time calculation [BZ #19818]
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
nisplus: Correct pwent parsing issue and resulting build error [BZ
#23266]
elf: Accept absolute (SHN_ABS) symbols whose value is zero [BZ #23307]
libc-abis: Define ABSOLUTE ABI [BZ #19818][BZ #23307]
Mark Wielaard (1):
elf.h: Add BPF relocation types.
Martin Sebor (1):
Document interaction with GCC built-ins in the Customizing Printf
Michael Wolf (1):
New locale: Lower Sorbian (dsb_DE) [BZ #23208]
Mike FABIAN (23):
Add missing “reorder-end†in LC_COLLATE of et_EE [BZ #22517]
Use “copy "es_BO"†in LC_TIME of es_CU, es_CL, and es_EC
Use / instead of - in d_fmt for pt_BR and pt_PT [BZ #17438]
Remove --quiet argument when installing locales
Update iso14651_t1_common file to ISO14651_2016_TABLE1_en.txt [BZ #14095]
Necessary changes after updating the iso14651_t1_common file
iso14651_t1_common: <U\([0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]\)> →
<U000\1>
Fixing syntax errors after updating the iso14651_t1_common file
Add convenience symbols like <AFTER-A>, <BEFORE-A> to iso14651_t1_common
iso14651_t1_common: make the fourth level the codepoint for characters
which are ignorable on all 4 levels
Add sections for various scripts to the iso14651_t1_common file
Collation order of ȥ has changed in new iso14651_t1_common file, adapt
test files
Collation order of @-. and space has changed in new iso14651_t1_common
file, adapt test files
Fix posix/bug-regex5.c test case, adapt to iso14651_t1_common upate
Fix test cases tst-fnmatch and tst-regexloc for the new
iso14651_t1_common file.
Improve gen-locales.mk and gen-locale.sh to make test files with @
options work
Adapt collation in several locales to the new iso14651_t1_common file
Remove the lines from cmn_TW.UTF-8.in which cannot work at the moment.
bg_BG locale: Fix a typo in a comment
an_ES locale: update some locale data [BZ #22896]
Fix tst-strfmon_l test for hr_HR locale
Bug 23308: Update to Unicode 11.0.0
Put the correct Unicode version number 11.0.0 into the generated files
Patrick McGehearty (1):
Improves __ieee754_exp(x) performance by 18-37% when |x| < 1.0397
Patsy Franklin (1):
In sem_open.c, pad was not initialized when __HAVE_64B_ATOMICS was
Paul Pluzhnikov (3):
Fix BZ 20419. A PT_NOTE in a binary could be arbitratily large, so using
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
Update ulps with "make regen-ulps" on AMD Ryzen 7 1800X.
Quentin PAGÈS (1):
oc_FR locale: Multiple updates (bug 23140, bug 23422).
Rafal Luzynski (13):
lt_LT locale: Update abbreviated month names (bug 22932).
Greek (el_CY, el_GR) locales: Introduce ab_alt_mon (bug 22937).
cs_CZ locale: Add alternative month names (bug 22963).
NEWS: Mention the locale data changes (bug 22848, 22937, 22963).
gd_GB: Fix typo in abbreviated "May" (bug 23152).
gd_GB, hsb_DE, wa_BE: Add alternative month names (bug 23140).
csb_PL: Update month translations + add yesstr/nostr (bug 19485).
csb_PL: Add alternative month names (bug 23140).
ast_ES: Add alternative month names (bug 23140).
hy_AM: Add alternative month names (bug 23140).
dsb_DE locale: Fix syntax error and add tests (bug 23208).
os_RU: Add alternative month names (bug 23140).
NEWS: Avoid the words "nominative" and "genitive".
Rajalakshmi Srinivasaraghavan (3):
powerpc: Add multiarch sqrtf128 for ppc64le
ldbl-128ibm-compat: Introduce ieee128 symbols
Add long double input for strfmon test
Raymond Nicholson (1):
manual/startup.texi (Aborting a Program): Remove inappropriate joke.
Rical Jasan (9):
manual: Fix Texinfo warnings about improper node names.
manual: Fix a syntax error.
manual: Improve documentation of get_current_dir_name. [BZ #6889]
manual: Document missing feature test macros.
manual: Update the _ISOC99_SOURCE description.
manual: Update _DEFAULT_SOURCE. [BZ #22862]
Fix a typo in a comment.
Add [BZ #16335] annotation to ChangeLog entry.
Add manual documentation for threads.h
Richard Braun (1):
Hurd: fix port leak in TLS
Robert Buj (1):
ca_ES locale: Update LC_TIME (bug 22848).
Rogerio Alves (1):
powerpc64: Always restore TOC on longjmp [BZ #21895]
Samuel Thibault (131):
hurd: Fix build
nscd: don't unconditionally use
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP
hurd: Define EXEC_PAGESIZE
hurd: Fix build on missing __ptsname_internal function
hurd: fix build
hurd: Add sysdep-cancel.h
Move NPTL-specific code to NPTL-specific header
hurd: fix timer_routines.c build
hurd: fix gai_misc build
hurd: fix timer_routines.c build
hurd: do not check Mach and Hurd headers
hurd: Add missing includes
hurd: Add missing includes
hurd: Move mach/param.h to bits/mach/param.h
hurd: avoid including hurd/signal.h when not needed
hurd: fix header conformity
hurd: Add missing include
hurd: Avoid using ino64_t and loff_t in headers
hurd: Fix inclusion of mach headers in all standards
hurd: Make almost all hurd headers includable in all standards
Separate out error_t definition
hurd: Add futimens support
hurd: Fix includability of <hurd/signal.h> in all standards
hurd: Add futimesat and utimensat support
Add missing start-of-file descriptive comment.
hurd: add gscope support
hurd: add TLS support
hurd: Fix getting signal thread stack layout for fork
hurd: Replace threadvars with TLS
hurd: Fix link cthread/pthread symbol exposition.
hurd: Fix coding style
x86_64: Fix build with RTLD_PRIVATE_ERRNO defined to 1
hurd: Add missing include
hurd: Fix copyright years
hurd: Fix O_NOFOLLOW
hurd: Fix O_DIRECTORY | O_NOFOLLOW
hurd: Fix boot with statically-linked exec server
hurd: Add mlockall support
hurd: fix build
hurd: Fix build with latest htl
hurd: Code style fixes
Fix errno values
hurd: Fix accessing errno from rtld
hurd: Initialize TLS and libpthread before signal thread start
Add missing changelog from previous commit
hurd: Fix calling __pthread_initialize_minimal in shared case
hurd: Regenerate errno.h header
hurd: advertise process memory locking option
hurd: avoid letting signals go to thread created by timer_create
hurd: Add hurd thread library
hurd libpthread: add function missing in ABI list
hurd: Advertise libpthread
hurd: Remove bogus net/if_ppp.h
hurd: Bump remaining LGPL2+ htl licences to LGPL 2.1+
hurd: Announce that glibc now builds unpatched
hurd: Fix exposition of UTIME_NOW, UTIME_OMIT
hurd: Avoid local PLTs in libpthread.
hurd: Avoid some PLTs in libc and librt
Revert __dirfd PLT avoidance for now
hurd: whitelist rtld symbols expected to be overridable
hurd: Add __errno_location to overridable ld.so symbols
hurd: Update localplt.data
hurd: whitelist ld.so PLTs supposed to be avoided by rtld_hidden
hurd: Avoid some libc.so PLTs
hurd: Avoid more libc.so PLTs
hurd: Fix typo
hurd: Avoid more libc.so local PLTs
hurd: Avoid local PLT in libpthread
s390x: Fix hidden aliases
hurd: Fix buffer overrun in __if_nametoindex
Revert "s390x: Fix hidden aliases"
Revert parts of "hurd: Avoid more libc.so local PLTs"
hurd: Make __if_nametoindex return ENODEV if ifname is too long
hurd: Fix missing trailing NUL in __if_nametoindex
hurd: Silence warning
hurd: Add missing symbols
hurd: fix build
hurd: Fix typo
hurd: Avoid PLTs for longjmp & siglongjmp
hurd: Avoid PLT for dirfd
Revert "hurd: Avoid PLTs for longjmp & siglongjmp"
hurd: fix conformity test for sys/un.h
hurd: Fix spurious installation of headers defining hidden prototypes
Fix sched_param
conform sys/un.h: Allow sun_ prefix, not only sun_len
Revert "Fix sched_param"
hurd: Fix mach installed headers test
hurd: xfail some structure fields ABI incompatibility with standards
hurd: Fix standard compliance of some statvfs fields
hurd: Update struct statfs according to struct statvfs
hurd: Fix symbols exposition
hurd: Avoid exposing all <sched.h> symbols from sys/types.h
hurd: fix sigevent's sigev_notify_attributes field type
hurd: remove non-standard siginfo symbol
hurd: Fix termios.h symbols
hurd: Add missing RLIM_SAVED_MAX/CUR
hurd: Fix hurd installed headers test
Drop fpregset unused symbol exposition
Revert "hurd: Fix mach installed headers test"
hurd: XFAIL appearance of sched_param and sched_priority from
<sys/types.h>
hurd: XFAIL tests for signal features not implemented yet
hurd xfails: Add missing bug references
hurd: Fix shmid_ds's shm_segsz field type
hurd: xfail missing abilist for libmachuser and libhurduser
hurd: update localplt.data
hurd: Avoid PLTs for _hurd_port_locked_get/set
hurd: Avoid PLTs for __mach_thread_self and __mach_reply_port
hurd: Avoid a PLT reference
hurd: Fix htl link failure
hurd: avoid PLT ref between sendfile and sendfile64
hurd: Detect 32bit overflow in value returned by lseek
hurd: Avoid PLT ref for __pthread_get_cleanup_stack
hurd: Avoid missing PLT ref from ld.so requirement
hurd: Avoid PLT references to shortcuts
hurd: Avoid PLT ref to __mach_msg
hurd: Avoid PLT references to syscalls
hurd: Whitelist PLT refs which are difficult to avoid
hurd: Fix missing __pthread_get_cleanup_stack symbol
hurd: Fix reference to _hurd_self_sigstate
hurd: Fix "Missing required PLT reference"
hurd: fix localplt.data format
hurd: Enable thread-safe i386 atomic instructions
Fix new file header
hurd: Fix installed-headers tests
check-execstack: Permit sysdeps to xfail some libs
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix some ld.so symbol override from libc
hurd: Fix startup of static binaries linked against libpthread
hurd: Add missing ChangeLog entry
hurd: Fix exec usage of mach_setup_thread
Sean McKean (1):
time: Reference CLOCKS_PER_SEC in clock comment [BZ #22735]
Siddhesh Poyarekar (18):
benchtests: Reallocate buffers for every test run
benchtests: Make bench-memcmp print json
aarch64: Use the L() macro for labels in memcmp
aarch64/strcmp: fix misaligned loop jump target
benchtests: Convert strncmp benchmark output to json
benchtests: Reallocate buffers for every strncmp implementation
benchtests: Don't benchmark 0 length calls for strncmp
Add ChangeLog entry for last 3 commits
aarch64: Optimized memcmp for medium to large sizes
aarch64: Fix branch target to loop16
aarch64: Improve strncmp for mutually misaligned inputs
aarch64/strncmp: Unbreak builds with old binutils
aarch64/strncmp: Use lsr instead of mov+lsr
benchtests: Move iterator declaration into loop header
aarch64,falkor: Ignore prefetcher hints for memmove tail
aarch64,falkor: Ignore prefetcher tagging for smaller copies
aarch64,falkor: Use vector registers for memmove
aarch64,falkor: Use vector registers for memcpy
Stefan Liebler (9):
S390: Regenerate ULPs.
Add runtime check if mutex will be elided in tst-mutex8 testcases.
S390: Regenerate ULPs.
S390: Regenerate ULPs.
S390: Fix struct sigaction for 31bit in kernel_sigaction.h.
Use volatile global counters in test-tgmath.c.
Disable lock elision for mutex pretty printer tests.
Fix blocking pthread_join. [BZ #23137]
Fix string/tst-xbzero-opt if build with gcc head.
Steve Ellcey (2):
IFUNC for Cavium ThunderX2
aarch64: Use an ifunc/VDSO to implement gettimeofday in shared glibc.
Sylvain Lesage (1):
es_BO locale: Change LC_PAPER to en_US (bug 22996).
Szabolcs Nagy (5):
Remove slow paths from exp
Fix documentation build with old makeinfo
Use uint32_t sign in single precision math error handling functions
aarch64: Remove HWCAP_CPUID from HWCAP_IMPORTANT
aarch64: add HWCAP_ATOMICS to HWCAP_IMPORTANT
Thomas Schwinge (3):
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socket
hurd: SOCK_CLOEXEC and SOCK_NONBLOCK for socketpair
hurd: Implement pipe2
Tulio Magno Quites Machado Filho (14):
powerpc: Update pow() ULPs
powerpc: Undefine Linux ptrace macros that conflict with __ptrace_request
powerpc: Update sin, cos and sincos ULPs
Increase robustness of internal dlopen() by using RTLD_NOW [BZ #22766]
Replace M_SUF (fabs) with M_FABS
Replace M_SUF (M_LN2) with M_MLIT (M_LN2)
Replace hidden_def with libm_hidden_def in math
powerpc: Fix the compiler type used with C++ when -mabi=ieeelongdouble
powerpc: Move around math-related Implies
powerpc64le: Fix TFtype in sqrtf128 when using -mabi=ieeelongdouble
Move declare_mgen_finite_alias definition
Add a generic significand implementation
ldbl-128ibm-compat: Create libm-alias-float128.h
m68k: Reorganize log1p and significand implementations
Valery Timiriliyev (1):
New locale: Yakut (Sakha) for Russia (sah_RU) [BZ #22241]
Vincent Chen (1):
Add Andes nds32 dynamic relocations to elf.h
Wilco Dijkstra (20):
Remove slow paths from log
[AArch64] Use builtins for fpcr/fpsr
[AArch64] Fix testsuite error due to fpsr/fscr change
Remove slow paths from pow
Remove mplog and mpexp
[AArch64] Fix include.
Use correct includes in benchtests
Add support for sqrt asm redirects
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
Remove all target specific __ieee754_sqrt(f/l) inlines
Revert m68k __ieee754_sqrt change
Undefine attribute_hidden to fix benchtests
sin/cos slow paths: avoid slow paths for small inputs
sin/cos slow paths: remove large range reduction
sin/cos slow paths: remove slow paths from small range reduction
sin/cos slow paths: remove slow paths from huge range reduction
sin/cos slow paths: remove unused slowpath functions
sin/cos slow paths: refactor duplicated code into dosin
sin/cos slow paths: refactor sincos implementation
Improve strstr performance
Zack Weinberg (23):
Remove some unnecessary redefinitions of std symbols.
Remove getc and putc macros from the public stdio.h.
Don't install libio.h or _G_config.h.
Post-cleanup 1: move libio.h back out of bits/.
Post-cleanup 2: minimize _G_config.h.
[BZ #22830] malloc_stats: restore cancellation for stderr correctly.
[BZ #19239] Don't include sys/sysmacros.h from sys/types.h.
Remove vestiges of external build support from libio headers.
Mechanically remove _IO_ name aliases for types and constants.
Remove legacy configuration knobs from libio.
Remove _IO_file_flags define.
Remove miscellaneous debris from libio.
alpha/clone.S: Invoke .set noat/.set at around explicit uses of $at
Don't include math.h/math_private.h in math_ldbl_opt.h.
nldbl-compat.c: Include math.h before nldbl-compat.h.
[BZ 1190] Make EOF sticky in stdio.
Make sysdeps/generic/internal-signals.h less stubby.
NEWS: Reindent and copyedit
Avoid cancellable I/O primitives in ld.so.
Disallow use of DES encryption functions in new programs.
manual: Reorganize crypt.texi.
manual: Revise crypt.texi.
New configure option --disable-crypt.
Zong Li (1):
Change URL of gcc's tarball
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Subject: [Bug time/19738] __tzfile_default 32-bit time_t overflow
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--- Comment #21 from Arkadiusz Miskiewicz <arekm at maven dot pl> ---
Is this still a problem in >= 2.28 ?
commit fc79706a3233b02909b1a75b1e43e40915eb5a04
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri May 11 16:30:30 2018 +0200
time: Use 64-bit time values for time zone parsing
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>From glibc-bugs-return-42890-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 01 12:39:19 2018
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Subject: [Bug build/21911] glibc 2.26 'make install' fails in executing test-installation.pl which tries to link libnss_test2
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--- Comment #5 from Hiroshi Takekawa <sian at big dot or.jp> ---
Created attachment 11157
--> https://sourceware.org/bugzilla/attachment.cgi?id=11157&action=edit
patch for 2.28
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>From glibc-bugs-return-42891-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 01 18:26:32 2018
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| |/show_bug.cgi?id=1609351
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>From glibc-bugs-return-42892-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 01 19:18:27 2018
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Subject: [Bug time/23414] tzset integer overlow with 32-bit time_t when using TZ without DST rules
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--- Comment #2 from Jakub Bogusz <qboosh@pld-linux.org> ---
Uhm, I tried to find similar bugs and didn't find that old unresolved one.
Thanks for the pointer and information about 64-bit internal time_t.
Yes, it fixes problem I encountered, testcase works properly on glibc 2.28.
I think #19738 is now resolved too.
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Subject: [Bug time/19738] __tzfile_default 32-bit time_t overflow
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eggert at cs dot ucla.edu changed:
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--- Comment #22 from eggert at cs dot ucla.edu ---
(In reply to Arkadiusz Miskiewicz from comment #21)
> Is this still a problem in >= 2.28 ?
I don't think the bug is fixed in general. However, it should be fixed in many
common cases. I would try for your case and see.
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>From glibc-bugs-return-42894-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 02 15:40:47 2018
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Subject: [Bug math/23479] New: [mips] bits/fenv.h should not define some macros for soft-float
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Bug ID: 23479
Summary: [mips] bits/fenv.h should not define some macros for
soft-float
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: math
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Host: mips*-*-*
MIPS soft-float glibc does not support floating-point exceptions and rounding
modes, and uses a different ABI from hard-float so a soft-float compilation
cannot use a glibc that does support floating-point exceptions and rounding
modes. Thus, bits/fenv.h should not, when compiling for soft-float, define
macros for the unsupported features.
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Subject: [Bug math/23479] [mips] bits/fenv.h should not define some macros for soft-float
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=506d7fb1d411c1ab0d786a5b858bd1d12217d0e4
commit 506d7fb1d411c1ab0d786a5b858bd1d12217d0e4
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Aug 2 15:53:29 2018 +0000
Do not define various fenv.h macros for MIPS soft-float (bug 23479).
MIPS soft-float glibc does not support floating-point exceptions and
rounding modes, and uses a different ABI from hard-float so a
soft-float compilation cannot use a glibc that does support
floating-point exceptions and rounding modes. Thus, bits/fenv.h
should not, when compiling for soft-float, define macros for the
unsupported features.
This patch changes it accordingly to define those macros only for
hard-float. None of the exception macros are defined for soft-float,
with FE_ALL_EXCEPT defined to 0 in that case, and only FE_TONEAREST is
defined of the rounding-mode macros, and FE_NOMASK_ENV is not defined;
this is consistent with how architectures lacking exception and
rounding mode support generally define things in this header. As well
as making the header more correct for this case, this also means the
generic math_private.h optimizations for this case automatically apply
(inlining libm-internal fenv.h function calls that are trivial when
exceptions and rounding modes are not supported).
The mips64 sfp-machine.h then needs similar changes to disable more of
the exception and rounding mode handling for soft-float. (The mips32
sfp-machine.h is already used only for soft-float, has no integration
with hardware exceptions or rounding modes and so needs no changes.)
Existing binaries might use the old FE_NOMASK_ENV value as an argument
to fesetenv / feupdateenv and expect an error for it (given that it
was defined in a header that also defined FE_ALL_EXCEPT to a nonzero
value). To preserve that error, wrappers for the fallback fesetenv
and feupdateenv are created in sysdeps/mips/nofpu/.
Tested for mips64 (hard-float and soft-float, all three ABIs).
[BZ #23479]
* sysdeps/mips/bits/fenv.h (FE_INEXACT): Define only if
[__mips_hard_float].
(FE_UNDERFLOW): Likewise.
(FE_OVERFLOW): Likewise.
(FE_DIVBYZERO): Likewise.
(FE_INVALID): Likewise.
(FE_ALL_EXCEPT): Define to 0 if [!__mips_hard_float].
(FE_TOWARDZERO): Define only if [__mips_hard_float].
(FE_UPWARD): Likewise.
(FE_DOWNWARD): Likewise.
(__FE_UNDEFINED): Define if [!__mips_hard_float]
(FE_NOMASK_ENV): Define only if [__mips_hard_float].
* sysdeps/mips/mips64/sfp-machine.h (_FP_DECL_EX): Define only if
[__mips_hard_float].
(FP_ROUNDMODE): Likewise.
(FP_RND_NEAREST): Likewise.
(FP_RND_ZERO): Likewise.
(FP_RND_PINF): Likewise.
(FP_RND_MINF): Likewise.
(FP_EX_INVALID): Likewise.
(FP_EX_OVERFLOW): Likewise.
(FP_EX_UNDERFLOW): Likewise.
(FP_EX_DIVZERO): Likewise.
(FP_EX_INEXACT): Likewise.
(FP_INIT_ROUNDMODE): Likewise.
* sysdeps/mips/nofpu/fesetenv.c: New file.
* sysdeps/mips/nofpu/feupdateenv.c: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++++++++++++++++++++++
sysdeps/mips/bits/fenv.h | 42 +++++++++++++++++++++++++++---------
sysdeps/mips/mips64/sfp-machine.h | 9 +++----
sysdeps/mips/nofpu/fesetenv.c | 8 +++++++
sysdeps/mips/nofpu/feupdateenv.c | 8 +++++++
5 files changed, 82 insertions(+), 16 deletions(-)
create mode 100644 sysdeps/mips/nofpu/fesetenv.c
create mode 100644 sysdeps/mips/nofpu/feupdateenv.c
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Subject: [Bug math/23479] [mips] bits/fenv.h should not define some macros for soft-float
Date: Thu, 02 Aug 2018 15:55:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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Subject: [Bug localedata/23308] Update locale data to Unicode 11.0.0
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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Target Milestone|--- |2.28
--- Comment #6 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in 2.28
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From: "johnpaul825 at yahoo dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23483] New: Dying Light SegFault at Libc.so.6
Date: Sat, 04 Aug 2018 06:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23483
Bug ID: 23483
Summary: Dying Light SegFault at Libc.so.6
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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Created attachment 11163
--> https://sourceware.org/bugzilla/attachment.cgi?id=11163&action=edit
Dying Light Crash Log
CPU: AMD 1950x 16core
Mobo: Gigabyte Designare x399
Ram: (32gb)3200mhz
GPU: Rx Vega 64
Distro: Manjaro
There are a number of similar reports at the following thread:
https://www.gamingonlinux.com/forum/topic/2766/post_id=16449
According to the comment linked, glibc 2.25 worked
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Subject: [Bug libc/23483] Dying Light SegFault at Libc.so.6
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-08-04
Ever confirmed|0 |1
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Which function is that, what are the arguments?
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Subject: [Bug dynamic-link/23484] New: Improve dynamic linker error message for Linux kernel version failures
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Bug ID: 23484
Summary: Improve dynamic linker error message for Linux kernel
version failures
Product: glibc
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Assume that /usr/lib64/libQt5Core.so.5 has this:
Note section [ 1] '.note.ABI-tag' of 32 bytes at offset 0x270:
Owner Data size Type
GNU 16 VERSION
OS: Linux, ABI: 3.17.0
This causes an error when running on a 3.10 kernel:
/usr/lib64/qt5/bin/uic: error while loading shared libraries: libQt5Core.so.5:
cannot open shared object file: No such file or directory
This error message is very confusing because the file is there. We should keep
track of the reason why we could not use the last file found and print that in
the error message.
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Subject: [Bug dynamic-link/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
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Walter Mollica <walter.mollica at gmail dot com> changed:
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--- Comment #7 from Walter Mollica <walter.mollica at gmail dot com> ---
Same issue here,
Ubuntu artful
$ ldd --version
ldd (Ubuntu GLIBC 2.26-0ubuntu2.1) 2.26
And running sprof on generated .profile data returns:
Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion
`_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
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Subject: [Bug dynamic-link/23484] Improve dynamic linker error message for Linux kernel version failures
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Carlos O'Donell <carlos at redhat dot com> changed:
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CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
I agree the message is confusing.
It is my opinion that we should stop setting this in crt1.o and instead allow
individual interfaces to fail as they would depending on the version of the
kernel you are on.
I don't know how useful it is to keep a strict singular kernel version before
which you cannot run, when you might not use any of the interfaces from the
newer kernel.
My reason for suggesting this is that container-based strategies would benefit
from more flexible host<->container decoupling. At some point the host will not
be able to run the guest container if it has a new enough glibc and if glibc
kept advancing the minimum kernel version.
Perhaps this won't be a problem, but if we keep moving the kernel baseline
version requirement forward it will eventually become a problem.
The downside is that not requiring a minimum complicates glibc support. Where
in the past the entire application would not start, now it may start and have
one key function fail even if not expected.
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Subject: [Bug dynamic-link/23484] Improve dynamic linker error message for Linux kernel version failures
Date: Mon, 06 Aug 2018 14:36:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #1)
> I agree the message is confusing.
>
> It is my opinion that we should stop setting this in crt1.o and instead
> allow individual interfaces to fail as they would depending on the version
> of the kernel you are on.
Is this the same thing? I think the kernel will ignore the ABI tag and we hit
this instead:
/* Now we can test with the required version. */ \
if (__LINUX_KERNEL_VERSION > 0 && version < __LINUX_KERNEL_VERSION) \
/* Not sufficent. */ \
FATAL ("FATAL: kernel too old\n"); \
That's not too bad in my opinion.
This bug is about the dynamic linker support for searching through multiple
objects until one with a compatible ABI is found.
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| |rg
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Subject: [Bug nptl/23402] td_ta_map_lwp2thr tries to call ps_get_thread_area on RISC-V
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=92a4cba76076ce1aa0efa7b859708e057c2a757f
commit 92a4cba76076ce1aa0efa7b859708e057c2a757f
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Jul 12 09:24:36 2018 +0200
RISC-V: Don't use ps_get_thread_area in libthread_db (bug 23402)
Since RISC-V stores the thread pointer in a general register libthread_db
can just ask the debugger for the register contents instead of trying to
call ps_get_thread_area. This enables thread debugging in gdb.
* sysdeps/riscv/nptl/tls.h (DB_THREAD_SELF): Use REGISTER instead
of CONST_THREAD_AREA.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/riscv/nptl/tls.h | 5 +++--
2 files changed, 8 insertions(+), 2 deletions(-)
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From: "ben at tawesoft dot co.uk" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23489] New: "gcc -lmcheck" aborts on free when using posix_memalign
Date: Mon, 06 Aug 2018 23:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23489
Bug ID: 23489
Summary: "gcc -lmcheck" aborts on free when using
posix_memalign
Product: glibc
Version: 2.19
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: ben at tawesoft dot co.uk
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11166
--> https://sourceware.org/bugzilla/attachment.cgi?id=11166&action=edit
minimal example (.i version)
Created attachment 44513 [details]
Minimal example (.i version)
Simple C programs using `posix_memalign()` and `free()`, compiled with `gcc
-lmcheck`, cause the resulting binary to raise a runtime error such as
`munmap_chunk(): invalid pointer`.
For example,
#include <stdlib.h>
#include <stdio.h>
int main()
{
void *p = 0;
int ret = posix_memalign(&p, sizeof(void*), 0);
printf("ret was %d, pointer is %p\n", ret, p);
free(p);
return 0;
}
The full example including headers is attached.
Note that "POSIX requires that memory obtained from posix_memalign() can be
freed using free".
Output (my system):
$ gcc test.c -lmcheck -ggdb
$ ./a.out
ret was 0, pointer is 0xcb6090
*** Error in `./a.out': munmap_chunk(): invalid pointer: 0x0000000000cb6060
***
Aborted
Output (NVIDIA developer):
$ gcc test.c -lmcheck -ggdb
$ ./a.out
ret was 0, pointer is 0x558c32d102e0
munmap_chunk(): invalid pointer
Aborted (core dumped)
Expected output:
$ gcc test.c -lmcheck -ggdb
$ ./a.out
ret was 0, pointer is 0x<some-address>
This was initially discovered due to posix_memalign's use in the Nvidia
graphics driver -- discussion here, three people report same symptoms:
https://devtalk.nvidia.com/default/topic/1037171/linux/memory-error-in-glx-programs-when-linked-with-gcc-lmcheck/
For me, here is the GCC version that raises this. I am aware this is an old
version of GCC as provided by what is currently Debian odstable (Jessie), but
others have reported the same results.
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian
4.9.2-10+deb8u1' --with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.9 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-vtable-verify
--enable-plugin --with-system-zlib --disable-browser-plugin
--enable-java-awt=gtk --enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/jre --enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-amd64
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --enable-multiarch --with-arch-32=i586 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.9.2 (Debian 4.9.2-10+deb8u1)
Obviously, I am using an old version of GCC/glibc but I hope this bug report
may be of use to anyone using a search engine to lookup a problem with this
possible lmcheck false positive.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #1 from ben at tawesoft dot co.uk ---
Forgot to add
$ ldd --version
ldd (Debian GLIBC 2.19-18+deb8u10) 2.19
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to ben from comment #1)
> Forgot to add
>
> $ ldd --version
> ldd (Debian GLIBC 2.19-18+deb8u10) 2.19
This is quite old.
With gcc 7, and glibc 2.26 I don't see anything wrong with -lmcheck.
This could be a compiler bug in your distribution, please file this with
Debian.
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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Hussam Al-Tayeb <me at hussam dot eu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |me at hussam dot eu.org
--- Comment #3 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
I see this bug with gcc version 7.3.1 20180804 and glibc 2.27 (using a custom
Arch Linux derivative).
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>From glibc-bugs-return-42910-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 07 05:39:34 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Tue, 07 Aug 2018 05:39:00 -0000
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--- Comment #4 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
An NVIDIA developer confirmed he reproduces the same issue here as well.
https://devtalk.nvidia.com/default/topic/1037171/linux/memory-error-in-glx-programs-when-linked-with-gcc-lmcheck/post/5274323/#5274323
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>From glibc-bugs-return-42911-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 07 09:21:48 2018
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Subject: [Bug libc/23490] New: sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c:49: off by one error
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Bug ID: 23490
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trunk/sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c:49]: (error) Width 20
given in format string (no. 1) is larger than destination buffer 'buf[20]', use
%19s to prevent overflowing it.
Source code is
char buf[20];
if (scanf ("%20s", buf) != 1)
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>From glibc-bugs-return-42912-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 07 11:28:17 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Hussam Al-Tayeb from comment #3)
> I see this bug with gcc version 7.3.1 20180804 and glibc 2.27 (using a
> custom Arch Linux derivative).
Are you certain you can reproduce this with 2.27?
We fixed this in 2.27, which was a bug that existed from 2.24->2.26:
https://sourceware.org/bugzilla/show_bug.cgi?id=22050
Can you debug your program and report the value of __malloc_initialize_hook
when you are within a malloc API function?
e.g.
Breakpoint 2, main () at test.c:6
6 void *p = 0;
(gdb) c
Continuing.
(gdb) p __malloc_initialize_hook
$1 = (void (*)(void)) 0x400610 <turn_on_mcheck>
(gdb)
It really looks like something in the hook setup is wrong.
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #6 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
Do I need a debug build of glibc for this?
I am getting
(gdb) run
Starting program: /home/hussam/cache/workspace/c/a.out
Breakpoint 1, main () at memalign.c:5
5 void *p = 0;
(gdb) c
Continuing.
Breakpoint 2, main () at memalign.c:6
6 int ret = posix_memalign(&p, sizeof(void*), 0);
(gdb) p __malloc_initialize_hook
No symbol "__malloc_initialize_hook" in current context.
(gdb)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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See Also|https://github.com/Microsof |
|t/WSL/issues/3023 |
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>From glibc-bugs-return-42915-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 07 11:45:55 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #7 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
/usr/bin/ldd --version
ldd (GNU libc) 2.27
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper
This revision in particular
https://sourceware.org/git/?p=glibc.git;a=commit;h=2dab17550dd464bcf531088efa81a9d595167f2a
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>From glibc-bugs-return-42916-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 07 12:58:00 2018
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Subject: [Bug libc/23491] New: Building for nios2 fails with binutils 2.26
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Bug ID: 23491
Summary: Building for nios2 fails with binutils 2.26
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: nios2
The error message is:
/home/bmg/build/compilers/nios2-linux-gnu/glibc/nios2-linux-gnu/locale/localedef.o:
In function `parse_opt':
/home/bmg/build/compilers/nios2-linux-gnu/glibc-src/nios2-linux-gnu/locale/programs/localedef.c:373:
warning: Unable to reach (null) (at 0x00040486) from the global pointer (at
0x00007ff0) because the offset (230550) is out of the allowed range, -32678 to
32767.
/home/bmg/install/compilers/nios2-linux-gnu/lib/gcc/nios2-glibc-linux-gnu/8.2.1/../../../../nios2-glibc-linux-gnu/bin/ld:
final link failed: Nonrepresentable section on output
I will try building with 2.27, to see if the issue has been fixed.
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Manuel Lauss <manuel.lauss at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |manuel.lauss at gmail dot com
--- Comment #8 from Manuel Lauss <manuel.lauss at gmail dot com> ---
Is anything special required for mcheck to work (glibc config option, ..)?
gentoo glibc-2.29 (git 92a4cba76076), gcc-8.2:
starting program: ./a.out
Breakpoint 1, main () at test.c:6
6 void *p = 0;
(gdb) p __malloc_initialize_hook
$1 = (void (*)(void)) 0x0
(gdb) c
Continuing.
ret was 0, pointer is 0x4052e0
munmap_chunk(): invalid pointer
Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 return ret;
$ /lib64/libc.so.6
GNU C Library (Gentoo 2.28 p1) stable release version 2.28.
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 8.2.0.
libc ABIs: UNIQUE IFUNC ABSOLUTE
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Tue, 07 Aug 2018 20:09:00 -0000
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--- Comment #9 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Manuel Lauss from comment #8)
> Is anything special required for mcheck to work (glibc config option, ..)?
No.
> gentoo glibc-2.29 (git 92a4cba76076), gcc-8.2:
>
> starting program: ./a.out
>
> Breakpoint 1, main () at test.c:6
> 6 void *p = 0;
> (gdb) p __malloc_initialize_hook
> $1 = (void (*)(void)) 0x0
This is odd, it's as if mcheck was never setup in the first place. I wonder if
you have some other hook setting this to zero.
Can you debug the *first* malloc called from libc.so.6? You'll have to skip
forward until you're calling malloc from malloc.c and not dl-minimal.c
(bootstrap malloc).
You really want to put a breakpoint on 'turn_on_mcheck', and if it never
triggers, then you've got a toolchain problem in gentoo.
What do your test binary and libc.so.6 look like?
readelf -a -W test | grep malloc
70: 0000000000601040 8 OBJECT GLOBAL DEFAULT 23
__malloc_initialize_hook
readelf -a -W /lib64/libc.so.6 | grep malloc_initialize
00000000003afe78 0000072000000006 R_X86_64_GLOB_DAT 00000000003b28d0
__malloc_initialize_hook@GLIBC_2.2.5 + 0
1824: 00000000003b28d0 8 OBJECT WEAK DEFAULT 35
__malloc_initialize_hook@GLIBC_2.2.5
3662: 00000000003b0244 4 OBJECT LOCAL DEFAULT 34
__libc_malloc_initialized
6226: 00000000003b28d0 8 OBJECT WEAK DEFAULT 35
__malloc_initialize_hook@GLIBC_2.2.5
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Wed, 08 Aug 2018 08:31:00 -0000
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--- Comment #10 from Manuel Lauss <manuel.lauss at gmail dot com> ---
$ readelf -W -a a.out | grep malloc
8: 0000000000404050 8 OBJECT GLOBAL DEFAULT 23
__malloc_initialize_hook@GLIBC_2.2.5
43: 0000000000404050 8 OBJECT GLOBAL DEFAULT 23
__malloc_initialize_hook@GLIBC_2.2.5
$ readelf -W -a /lib64/libc.so.6 | grep malloc
00000000001c6e30 000004d900000006 R_X86_64_GLOB_DAT 000000000008b6d0
malloc@@GLIBC_2.2.5 + 0
00000000001c6e68 0000075200000006 R_X86_64_GLOB_DAT 00000000001c98f0
__malloc_initialize_hook@GLIBC_2.2.5 + 0
00000000001c6ef0 0000047600000006 R_X86_64_GLOB_DAT 00000000001c7c30
__malloc_hook@@GLIBC_2.2.5 + 0
465: 000000000008b6d0 852 FUNC GLOBAL DEFAULT 12
__libc_malloc@@GLIBC_2.2.5
575: 000000000008d550 132 FUNC WEAK DEFAULT 12
malloc_info@@GLIBC_2.10
859: 000000000008d0d0 495 FUNC WEAK DEFAULT 12
malloc_stats@@GLIBC_2.2.5
1041: 0000000000143830 62 FUNC GLOBAL DEFAULT 12
malloc_get_state@GLIBC_2.2.5
1142: 00000000001c7c30 8 OBJECT WEAK DEFAULT 29
__malloc_hook@@GLIBC_2.2.5
1241: 000000000008b6d0 852 FUNC GLOBAL DEFAULT 12 malloc@@GLIBC_2.2.5
1282: 000000000008cea0 243 FUNC WEAK DEFAULT 12
malloc_usable_size@@GLIBC_2.2.5
1541: 000000000008cbb0 743 FUNC WEAK DEFAULT 12
malloc_trim@@GLIBC_2.2.5
1874: 00000000001c98f0 8 OBJECT WEAK DEFAULT 30
__malloc_initialize_hook@GLIBC_2.2.5
2187: 0000000000143870 289 FUNC GLOBAL DEFAULT 12
malloc_set_state@GLIBC_2.2.5
breakpoint on 'turn_on_mcheck' never triggers, but apparently mcheck's
'mallochook'
is working:
(gdb) b turn_on_mcheck
Function "turn_on_mcheck" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (turn_on_mcheck) pending.
(gdb) b mallochook
Function "mallochook" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 2 (mallochook) pending.
(gdb) r
Starting program: ./a.out
Breakpoint 2, mallochook (size=49, caller=0x7ffff7e3f9dd <memalignhook+333>) at
mcheck.c:202
202 {
(gdb) c
Continuing.
Breakpoint 2, mallochook (size=1024, caller=0x7ffff7e24f9c
<__GI__IO_file_doallocate+140>) at mcheck.c:202
202 {
(gdb) c
Continuing.
ret was 0, pointer is 0x4052e0
munmap_chunk(): invalid pointer
Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 return ret;
(gdb)
glibc is configured thusly:
configure --enable-stack-protector=all --enable-stackguard-randomization
--disable-cet --without-selinux --without-cvs --enable-bind-now
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --disable-profile
--without-gd --with-headers=/usr/include --prefix=/usr --sysconfdir=/etc
--localstatedir=/var --libdir=$(prefix)/lib64 --mandir=$(prefix)/share/man
--infodir=$(prefix)/share/info --libexecdir=$(libdir)/misc/glibc
--with-bugurl=https://bugs.gentoo.org/ --with-pkgversion=Gentoo 2.28 p1
--disable-systemtap --disable-nscd --disable-werror --without-stack-protector
--enable-kernel=4.16.0 --disable-timezone-tools
Gentoo also applies 5 patches to the build (to work around testsuite failures
with sandbox), which I revert.
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #11 from Manuel Lauss <manuel.lauss at gmail dot com> ---
'turn_on_mcheck' does not even exist in the final library, but it's there
in mcheck-init.o in the build directory.
readelf -Wa /lib64/libc.so.6 | grep mcheck
1071: 000000000008dea0 260 FUNC GLOBAL DEFAULT 12 mcheck@@GLIBC_2.2.5
1357: 000000000008d820 112 FUNC GLOBAL DEFAULT 12
mcheck_check_all@@GLIBC_2.2.5
2165: 000000000008dfb0 65 FUNC GLOBAL DEFAULT 12
mcheck_pedantic@@GLIBC_2.2.5
readelf -Wa mcheck-init.o | egrep -h "malloc|mcheck"
000000000000002b 0000001100000004 R_X86_64_PLT32 0000000000000000
mcheck - 4
0000000000000a92 0000000f00000001 R_X86_64_64 0000000000000000
__malloc_initialize_hook + 0
1: 0000000000000000 0 FILE LOCAL DEFAULT ABS mcheck-init.c
5: 0000000000000000 52 FUNC LOCAL DEFAULT 1 turn_on_mcheck
15: 0000000000000000 8 OBJECT GLOBAL DEFAULT 5
__malloc_initialize_hook
17: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND mcheck
19: 0000000000000000 8 OBJECT GLOBAL DEFAULT 5
__malloc_initialize_hook@GLIBC_2.2.5
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Subject: [Bug libc/23491] Building for nios2 fails with binutils 2.26
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I don't see a linker error with binutils 2.27.
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Subject: [Bug libc/23497] New: readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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Bug ID: 23497
Summary: readdir64 at GLIBC_2 dot 1 cannot parse the kernel directory
stream
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
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Created attachment 11169
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compat-readdir.c
The attached reproducer never terminates, printing garbage instead.
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
The in-place conversion from struct compat_linux_dirent to struct
__old_dirent64 is broken:
commit 298d0e3129c0b5137f4989275b13fe30d0733c4d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 28 15:37:17 2018 -0300
Consolidate Linux getdents{64} implementation
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-42925-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 09 10:04:50 2018
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From: "jean-christophe.gillet@schneider-electric.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug admin/23498] New: git clone with https protocol
Date: Thu, 09 Aug 2018 10:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23498
Bug ID: 23498
Summary: git clone with https protocol
Product: glibc
Version: unspecified
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Reporter: jean-christophe.gillet@schneider-electric.com
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Hi,
I tried getting the source using following command (because I have this issue
with yocto project, rocko branch)
git clone -b release/2.26/master https://sourceware.org/git/glibc.git
Cloning into 'glibc'...
error: Unable to get pack index
https://sourceware.org/git/glibc.git/objects/pack/pack-efa1f26f4d23ce481142ea6e40f725253e650b54.idx
error: Unable to find 66f277a3a40f369ca8e583d410f5f7771da5aa61 under
https://sourceware.org/git/glibc.git
Cannot obtain needed object 66f277a3a40f369ca8e583d410f5f7771da5aa61
while processing commit 8ac0f9e6f742dba698dc2ae0461f76a4b46a7971.
error: fetch failed.
I have the same issue in http protocol and with default master branch
I'm behind proxy/firewall, so I used the "https://" protocol.
However
wget
https://sourceware.org/git/glibc.git/objects/pack/pack-efa1f26f4d23ce481142ea6e40f725253e650b54.idx
works.
I've seen in another similar issue not related to glibc that git repack on
server fixed the kind of issue
For me, it looks like it is not a duplicate issue of Bug ID #23450 (Provide Git
repositories over HTTPS)
Thanks is advance for your help
Best regards
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Subject: [Bug admin/23498] git clone with https protocol
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Try setting the environment variable GIT_CURL_VERBOSE.
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Subject: [Bug admin/23498] git clone with https protocol
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--- Comment #2 from jean-christophe.gillet@schneider-electric.com ---
Created attachment 11170
--> https://sourceware.org/bugzilla/attachment.cgi?id=11170&action=edit
log for git clone
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I will check this out.
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I have a patch.
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Subject: [Bug nptl/23500] New: Removal of libpthread_nonshared.a breaks installation of Oracle Database
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Bug ID: 23500
Summary: Removal of libpthread_nonshared.a breaks installation
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Product: glibc
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Apparently, the relinking step as part of the Oracle Database installation
assumes that a libpthread_nonshared.a library exists. Apparently, it doesn't
use -lpthread as it should.
Should we add back an empty stub library to support this use case?
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Subject: [Bug admin/23450] Provide Git repositories over HTTPS
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Andreas Schwab <schwab@linux-m68k.org> changed:
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| |eider-electric.com
--- Comment #16 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 23498 has been marked as a duplicate of this bug. ***
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Subject: [Bug admin/23498] git clone with https protocol
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
Looks like your proxy/firewall is interferring, thus a dup of 23450.
*** This bug has been marked as a duplicate of bug 23450 ***
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>From glibc-bugs-return-42933-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 09 16:29:50 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Thu, 09 Aug 2018 16:29:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23489
--- Comment #12 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Manuel Lauss from comment #11)
> 'turn_on_mcheck' does not even exist in the final library, but it's there
> in mcheck-init.o in the build directory.
It exists only in libmcheck.a.
e.g.
With glibc-devel installed:
readelf -a -W /usr/lib/libmcheck.a | grep turn_on_mcheck
5: 00000000 27 FUNC LOCAL DEFAULT 2 turn_on_mcheck
(In reply to Manuel Lauss from comment #10)
> $ readelf -W -a a.out | grep malloc
> 8: 0000000000404050 8 OBJECT GLOBAL DEFAULT 23
> __malloc_initialize_hook@GLIBC_2.2.5
> 43: 0000000000404050 8 OBJECT GLOBAL DEFAULT 23
> __malloc_initialize_hook@GLIBC_2.2.5
This can't be right. It should not be a versioned symbol in the executable,
since it's unversioned in the archive.
Exactly how did you build this executable?
Please attach the output of `readelf -a -W ./a.out` to this issue.
Please attach the output of `readelf -a -W /usr/lib64/libmcheck.a` to this
issue.
> $ readelf -W -a /lib64/libc.so.6 | grep malloc
If you actually grep'd for malloc there should be many more results than this.
Please attach the output of `readelf -a -W /lib64/libc.so.6` to this issue.
> breakpoint on 'turn_on_mcheck' never triggers, but apparently mcheck's
That's what's wrong.
> 'mallochook'
> is working:
Right, it's "half enabled" and that will crash your application.
I suspect something is wrong with your toolchain.
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>From glibc-bugs-return-42934-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 09 16:39:25 2018
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From: "eblake at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23501] New: nftw() doesn't return dangling symlink's inode
Date: Thu, 09 Aug 2018 16:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23501
Bug ID: 23501
Summary: nftw() doesn't return dangling symlink's inode
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: eblake at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
The Austin Group ruled in:
http://austingroupbugs.net/view.php?id=1121
that the use of d_type shortcuts during nftw() has resulted in an unintentional
regression in glibc:
"Until glibc 2.3.6, in the io/ftw.c process_entry() code, we find:
if (((data->flags & FTW_PHYS)
? LXSTAT (_STAT_VER, name, &st)
: XSTAT (_STAT_VER, name, &st)) < 0)
{
if (errno != EACCES && errno != ENOENT)
result = -1;
else if (!(data->flags & FTW_PHYS)
&& LXSTAT (_STAT_VER, name, &st) == 0
&& S_ISLNK (st.st_mode))
flag = FTW_SLN;
else
flag = FTW_NS;
}
So, if FTW_PHYS was not set, use stat() on the path. If that fails (because of
a dangling symlink, for example), then try lstat() on the path and check if the
result is symlink; if so, emit FTW_SLN.
In glibc 2.4 (~2006) things changed to the situation we currently have. The
change *appears* to be an unintended regression, since the associated changelog
message make no mention of modifying the behavior of FTW_SLN.
So, I do think this is a glibc bug, not a fault in the standard, per se (though
the standard could be a little clearer).
"
As this regression is not standards compliant, glibc needs to perform an lstat
(perhaps only when POSIXLY_CORRECT is set?) even when using d_type to shortcut
the knowledge that a dangling symlink has been found.
See also:
https://bugzilla.redhat.com/show_bug.cgi?id=1422736
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>From glibc-bugs-return-42935-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 09 17:08:31 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23500] Removal of libpthread_nonshared.a breaks installation of Oracle Database
Date: Thu, 09 Aug 2018 17:08:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #0)
> Apparently, the relinking step as part of the Oracle Database installation
> assumes that a libpthread_nonshared.a library exists. Apparently, it
> doesn't use -lpthread as it should.
>
> Should we add back an empty stub library to support this use case?
In my opinion upstream should not add back any libraries that are
implementation details that applications should not depend upon. It's
completely invalid for Oracle db to link against libpthread_nonshared.a.
Downstream can add it back at their own cost to support applications that need
it during some transitional period, but keeping it around won't help get these
applications fixed and you'll have libpthread_nonshared.a forever.
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Subject: [Bug libc/23501] nftw() doesn't return dangling symlink's inode
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----------------------------------------------------------------------------
CC| |tuliom at linux dot ibm.com
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>From glibc-bugs-return-42937-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 10 05:42:48 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #13 from Manuel Lauss <manuel.lauss at gmail dot com> ---
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #16 from Manuel Lauss <manuel.lauss at gmail dot com> ---
(In reply to Carlos O'Donell from comment #12)
> (In reply to Manuel Lauss from comment #11)
> > 'turn_on_mcheck' does not even exist in the final library, but it's there
> > in mcheck-init.o in the build directory.
>
> It exists only in libmcheck.a.
Can confirm that,
> Exactly how did you build this executable?
$ gcc -v -lmcheck -ggdb -Og -pipe test.c
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp-ram/portage/sys-devel/gcc-8.2.0/work/gcc-8.2.0/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/8.2.0
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/8.2.0
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/8.2.0/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/8.2.0/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/8.2.0/python
--enable-languages=c,c++ --enable-obsolete --enable-secureplt --disable-werror
--with-system-zlib --enable-nls --without-included-gettext
--enable-checking=release --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo 8.2.0 p1.3' --disable-esp --enable-libstdcxx-time
--enable-shared --enable-threads=posix --enable-__cxa_atexit
--enable-clocale=gnu --enable-multilib --with-multilib-list=m32,m64
--disable-altivec --disable-fixed-point --enable-targets=all --enable-libgomp
--disable-libmudflap --disable-libssp --disable-libmpx --disable-systemtap
--disable-vtable-verify --disable-libvtv --disable-libquadmath --enable-lto
--with-isl --disable-isl-version-check --disable-libsanitizer
--disable-default-pie --disable-default-ssp --with-glibc-version=2.27
--with-arch=znver1 --with-tune=znver1
Thread model: posix
gcc version 8.2.0 (Gentoo 8.2.0 p1.3)
COLLECT_GCC_OPTIONS='-v' '-ggdb' '-Og' '-pipe' '-mtune=znver1' '-march=znver1'
/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/cc1 -quiet -v test.c -quiet
-dumpbase test.c -mtune=znver1 -march=znver1 -auxbase test -ggdb -Og -version
-o - |
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/bin/as
-v --64 -o /tmp/.private/mano/ccHBxdLA.o
GNU assembler version 2.31.51 (x86_64-pc-linux-gnu) using BFD version (Gentoo
9999 p1) 2.31.51.20180731
GNU C17 (Gentoo 8.2.0 p1.3) version 8.2.0 (x86_64-pc-linux-gnu)
compiled by GNU C version 8.2.0, GMP version 6.1.2, MPFR version 4.0.1,
MPC version 1.1.0, isl version isl-0.20-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include
/usr/local/include
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include-fixed
/usr/include
End of search list.
GNU C17 (Gentoo 8.2.0 p1.3) version 8.2.0 (x86_64-pc-linux-gnu)
compiled by GNU C version 8.2.0, GMP version 6.1.2, MPFR version 4.0.1,
MPC version 1.1.0, isl version isl-0.20-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 19b312d39d18a0244da7d32dd0eafd38
COMPILER_PATH=/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/libexec/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/lib/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/bin/
LIBRARY_PATH=/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-ggdb' '-Og' '-pipe' '-mtune=znver1' '-march=znver1'
/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/collect2 -plugin
/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/liblto_plugin.so
-plugin-opt=/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/.private/mano/ccAO6PAJ.res
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s --eh-frame-hdr -m elf_x86_64 -dynamic-linker
/lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtbegin.o
-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0
-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64
-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib
-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../.. -lmcheck
/tmp/.private/mano/ccHBxdLA.o -lgcc --as-needed -lgcc_s --no-as-needed -lc
-lgcc --as-needed -lgcc_s --no-as-needed
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtend.o
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crtn.o
COLLECT_GCC_OPTIONS='-v' '-ggdb' '-Og' '-pipe' '-mtune=znver1' '-march=znver1'
> Please attach the output of `readelf -a -W ./a.out` to this issue.
> Please attach the output of `readelf -a -W /usr/lib64/libmcheck.a` to this
> issue.
> Please attach the output of `readelf -a -W /lib64/libc.so.6` to this issue.
Done,
> I suspect something is wrong with your toolchain.
hm, ok.
Thank you!
Manuel
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From: "jean-christophe.gillet@schneider-electric.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug admin/23498] git clone with https protocol
Date: Fri, 10 Aug 2018 07:29:00 -0000
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--- Comment #4 from jean-christophe.gillet@schneider-electric.com ---
Thank you very much for your help and your promt answers
Finally, I was able to clone through my proxy with http protocol intead of
https
system configuration:
https_proxy=http://<proxy-addr>:<port>
http_proxy=http://<proxy-addr>:<port>
git configuration:
[http]
proxy = http://<proxy-addr>:<port>
[https]
proxy = http://<proxy-addr>:<port>
[url "http://sourceware.org"]
insteadOf = git://sourceware.org
git command:
git clone -b release/2.26/master git://sourceware.org/git/glibc.git
It works also for yocto build :-)
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=690652882b499defb3d950dfeff8fe421d13cab5
commit 690652882b499defb3d950dfeff8fe421d13cab5
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Aug 10 10:20:13 2018 +0200
Linux: Rewrite __old_getdents64 [BZ #23497]
Commit 298d0e3129c0b5137f4989275b13fe30d0733c4d ("Consolidate Linux
getdents{64} implementation") broke the implementation because it does
not take into account struct offset differences.
The new implementation is close to the old one, before the
consolidation, but has been cleaned up slightly.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++
sysdeps/unix/sysv/linux/Makefile | 1 +
sysdeps/unix/sysv/linux/getdents64.c | 89 ++++++++++++++------
sysdeps/unix/sysv/linux/tst-readdir64-compat.c | 111 ++++++++++++++++++++++++
4 files changed, 187 insertions(+), 25 deletions(-)
create mode 100644 sysdeps/unix/sysv/linux/tst-readdir64-compat.c
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29.
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Aug 10 11:19:26 2018 +0200
Linux: Rewrite __old_getdents64 [BZ #23497]
Commit 298d0e3129c0b5137f4989275b13fe30d0733c4d ("Consolidate Linux
getdents{64} implementation") broke the implementation because it does
not take into account struct offset differences.
The new implementation is close to the old one, before the
consolidation, but has been cleaned up slightly.
(cherry picked from commit 690652882b499defb3d950dfeff8fe421d13cab5)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++
NEWS | 7 ++
sysdeps/unix/sysv/linux/Makefile | 1 +
sysdeps/unix/sysv/linux/getdents64.c | 89 ++++++++++++++------
sysdeps/unix/sysv/linux/tst-readdir64-compat.c | 111 ++++++++++++++++++++++++
5 files changed, 194 insertions(+), 25 deletions(-)
create mode 100644 sysdeps/unix/sysv/linux/tst-readdir64-compat.c
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBOZXc6IGdjb25277yIVVRGLTggdG8g?= =?UTF-8?B?R0IxODAzMO+8iQ==?Date: Fri, 10 Aug 2018 10:26:00 -0000
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Version: 2.17
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: 286000435 at qq dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
A bug of gconv（UTF-8 to GB18030）.
The version of glibc is greater than 2.17（>=2.17）.
Following code can't get the right result.
#include <iconv.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void print_buf(char* buf, size_t len)
{
size_t i;
for (i = 0; i < len; ++i) {
printf("%02X ", (unsigned char)buf[i]);
}
printf("\n");
}
int main(int argc, char** argv)
{
char s[] = "æ—©è¦‹ç´”î —";
iconv_t cd = iconv_open("GB18030", "UTF-8");
if (cd <= 0 ) {
printf("iconv_open fail\n");
return 0;
}
size_t inbytesleft = sizeof(s) - 1;
char dst[6 * sizeof(s)] = { 0 };
size_t outbytesleft = sizeof(dst) - 1;
char* inbuf = s;
char* outbuf = dst;
if (iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft) ==
(size_t)-1) {
printf("iconv fail: %d\n", errno);
}
iconv_close(cd);
size_t n = strlen(dst);
printf("inbytesleft: %u, outbytesleft: %u, dst len: %u\n", inbytesleft,
outbytesleft, n);
print_buf(dst, n);
return 0;
}
get error output：
iconv fail: 84
inbytesleft: 4, outbytesleft: 72, dst len: 6
D4 E7 D2 8A BC 83
But I can get the right result with gblic 2.12：
inbytesleft: 0, outbytesleft: 69, dst len: 8
D4 E7 D2 8A BC 83 FE 52
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iFVURi04IHRvIEdCMTgw?= =?UTF-8?B?MzDvvIk=?Date: Fri, 10 Aug 2018 10:29:00 -0000
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----------------------------------------------------------------------------
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>From glibc-bugs-return-42947-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 10 10:38:31 2018
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iEdCMTgwMzAgdG8gVVRG?= =?UTF-8?B?LTjvvIk=?Date: Fri, 10 Aug 2018 10:38:00 -0000
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lance <286000435 at qq dot com> changed:
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----------------------------------------------------------------------------
Summary|gconv（UTF-8 to GB18030） |gconv（GB18030 to UTF-8）
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iEdCMTgwMzAgdG8gVVRG?= =?UTF-8?B?LTjvvIk=?Date: Fri, 10 Aug 2018 10:39:00 -0000
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lance <286000435 at qq dot com> changed:
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----------------------------------------------------------------------------
Summary|gconv（UTF-8 to GB18030） |gconv（GB18030 to UTF-8）
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iFVURi04IHRvIEdCMTgw?= =?UTF-8?B?MzDvvIk=?Date: Fri, 10 Aug 2018 10:39:00 -0000
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----------------------------------------------------------------------------
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>From glibc-bugs-return-42950-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 10 10:42:44 2018
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iEdCMTgwMzAgdG8gVVRG?= =?UTF-8?B?LTjvvIk=?Date: Fri, 10 Aug 2018 10:42:00 -0000
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--- Comment #1 from lance <286000435 at qq dot com> ---
> A bug of gconv（GB18030 to UTF-8）.
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>From glibc-bugs-return-42951-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 10 12:04:11 2018
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iEdCMTgwMzAgdG8gVVRG?= =?UTF-8?B?LTjvvIk=?Date: Fri, 10 Aug 2018 12:04:00 -0000
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>From glibc-bugs-return-42952-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 10 12:57:18 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/17426] en_IN: set date format
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| |com
--- Comment #6 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I've just checked few locales in CLDR and they seem to copy the content of
d_fmt in glibc locale data (which is later used by `date +%x') from Date &
Time -> Gregorian -> Formats - Standard - Date Formats -> short. For en_IN is
says "dd/MM/yy" which translates to "%d/%m/%y" in glibc terms. Also I saw that
some locales do not follow strictly the rule when it says "only 2 digits for a
year" and they use four digits instead. (That means: they use "%Y" instead of
"%y".) So for me it is fine to set d_fmt for en_IN to "%d/%m/%y" if nobody
opposes or "%d/%m/%Y" if you prefer this.
(In reply to Arjun Shankar from comment #5)
> [...]
> I must add that the format string guideline [4] is not clear upon the
> difference between 'y' and 'yy', but it appears to me from the examples that
> 'y' represents the full year '2014' and 'yy' represents the year with the
> century truncated '14'.
>
> [...]
>
> [4] http://cldr.unicode.org/translation/date-time
The link says that 'y' is as many digits as necessary while 'yy' is always
exactly 2 digits (truncated) and 'yyyy' is always exactly 4 digits (zero padded
IIUC).
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>From glibc-bugs-return-42953-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 10 13:51:12 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #17 from Manuel Lauss <manuel.lauss at gmail dot com> ---
Seems like gentoo is stripping the "turn_on_mcheck" func from libmcheck.a
when it installs it. Fixing that, I get now:
Breakpoint 1, __GI___libc_malloc (bytes=0) at malloc.c:3012
3012 {
(gdb) p __malloc_initialize_hook
$1 = (void (*)(void)) 0x401160 <turn_on_mcheck>
(gdb) b turn_on_mcheck
Breakpoint 1 at 0x401160: file mcheck-init.c, line 27.
(gdb) r
Starting program: ./a.out
Breakpoint 1, turn_on_mcheck () at mcheck-init.c:27
27 {
(gdb) c
Continuing.
ret was 0, pointer is 0x4052e0
munmap_chunk(): invalid pointer
Program received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50 return ret;
(gdb) c
Continuing.
Something is still not right.
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From: "1983-01-06 at gmx dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug time/23508] New: date(1) -I incorrectly prints timezone offset
Date: Fri, 10 Aug 2018 20:02:00 -0000
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Bug ID: 23508
Summary: date(1) -I incorrectly prints timezone offset
Product: glibc
Version: 2.26
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Priority: P2
Component: time
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'TZ=Etc/Utc date -Iminutes', 'date -u +%:z' or alike incorrectly print out time
offset designator if the offset is UTC. The ISO 8601 standard mandates that UTC
must be denoted by a 'Z' and not +00:00. Wikipedia's documentation is
incomplete. This can only be verified if reading the original language version
in German or the translated version in English of the standard (non-free).
I can cite if reference is needed.
So I would expect:
$ TZ=Etc/Utc date -Iminutes
TZ=Etc/Utc date -Iminutes
018-08-10T19:55Z
$ date -u +%:z
Z
%z remains untouched because it is RFC format.
Verified system is Fedora 27.
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Subject: [Bug dynamic-link/23509] New: CET enabled glibc is incompatible with the older linker
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Bug ID: 23509
Summary: CET enabled glibc is incompatible with the older
linker
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: i386,x86-64
The older linker treats .note.gnu.property as a generic note and
just concatenates all .note.gnu.property sections from the input
to the output:
[hjl@gnu-cet-1 cet-5]$ readelf -n foo
Displaying notes found in: .note.gnu.property
Owner Data size Description
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0
Properties: x86 feature: IBT, SHSTK
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0
Properties: x86 feature: IBT, SHSTK
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0
Properties: x86 feature: IBT, SHSTK
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0
Properties: x86 feature: IBT, SHSTK
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0
Properties: x86 feature: IBT, SHSTK
GNU 0x00000010 NT_GNU_PROPERTY_TYPE_0
Properties: x86 feature: IBT, SHSTK
Displaying notes found in: .note.ABI-tag
Owner Data size Description
GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag)
OS: Linux, ABI: 3.2.0
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000014 NT_GNU_BUILD_ID (unique build ID
bitstring)
Build ID: 5157f1baccad8f68cd95440a98967c9374286125
[hjl@gnu-cet-1 cet-5]$
On CET machine, it crashed:
[hjl@gnu-cet-1 cet-5]$ cat foo.c
void
foo (void)
{
}
void
__attribute__((noinline, noclone))
bar (void (*func) (void))
{
func ();
}
int
main ()
{
bar (foo);
return 0;
}
[hjl@gnu-cet-1 cet-5]$ make
gcc -g -O0 -fcf-protection=none -c -o foo.o foo.c
gcc -B./usr/local/bin/ -o foo foo.o
./foo
make: *** [Makefile:9: all] Segmentation fault
[hjl@gnu-cet-1 cet-5]$ gdb foo
GNU gdb (GDB) Fedora 8.1.1-3.fc28
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
BFD: warning: /export/home/hjl/bugs/libc/cet-5/foo: unsupported
GNU_PROPERTY_TYPE (5) type: 0xc0000003
Reading symbols from foo...done.
(gdb) r
Starting program: /export/home/hjl/bugs/libc/cet-5/foo
Missing separate debuginfos, use: dnf debuginfo-install
glibc-2.27-30.7.fc28.x86_64
Program received signal SIGSEGV, Segmentation fault.
main () at foo.c:15
15 {
(gdb) disass
Dump of assembler code for function main:
=> 0x00000000004005e2 <+0>: push %rbp
0x00000000004005e3 <+1>: mov %rsp,%rbp
0x00000000004005e6 <+4>: mov $0x4005c6,%edi
0x00000000004005eb <+9>: callq 0x4005cd <bar>
0x00000000004005f0 <+14>: mov $0x0,%eax
0x00000000004005f5 <+19>: pop %rbp
0x00000000004005f6 <+20>: retq
End of assembler dump.
(gdb) bt
#0 main () at foo.c:15
(gdb)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #18 from Carlos O'Donell <carlos at redhat dot com> ---
In your libmcheck.a you have:
Symbol table '.symtab' contains 13 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 SECTION LOCAL DEFAULT 1
2: 0000000000000000 0 SECTION LOCAL DEFAULT 3
3: 0000000000000000 0 SECTION LOCAL DEFAULT 4
4: 0000000000000000 0 SECTION LOCAL DEFAULT 5
5: 0000000000000000 0 SECTION LOCAL DEFAULT 7
6: 0000000000000000 0 SECTION LOCAL DEFAULT 8
7: 0000000000000000 0 SECTION LOCAL DEFAULT 9
8: 0000000000000000 0 SECTION LOCAL DEFAULT 11
9: 0000000000000000 8 OBJECT GLOBAL DEFAULT 5
__malloc_initialize_hook
10: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND mcheck
11: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND __stack_chk_fail
12: 0000000000000000 8 OBJECT GLOBAL DEFAULT 5
__malloc_initialize_hook@GLIBC_2.2.5
The __malloc_initialize_hook@GLIBC_2.2.5 is a versioned reference in a static
object. This is completely wrong. You have a broken binutils in your build that
is breaking this.
You are going to have to go back to the Gentoo team and find out why this is
the case.
You should see something like this:
Symbol table '.symtab' contains 18 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 FILE LOCAL DEFAULT ABS mcheck-init.c
2: 0000000000000000 0 SECTION LOCAL DEFAULT 1
3: 0000000000000000 0 SECTION LOCAL DEFAULT 3
4: 0000000000000000 0 SECTION LOCAL DEFAULT 4
5: 0000000000000000 7 FUNC LOCAL DEFAULT 1 turn_on_mcheck
6: 0000000000000000 0 SECTION LOCAL DEFAULT 5
7: 0000000000000000 0 SECTION LOCAL DEFAULT 7
8: 0000000000000000 0 SECTION LOCAL DEFAULT 9
9: 0000000000000000 0 SECTION LOCAL DEFAULT 10
10: 0000000000000000 0 SECTION LOCAL DEFAULT 12
11: 0000000000000000 0 SECTION LOCAL DEFAULT 14
12: 0000000000000000 0 SECTION LOCAL DEFAULT 16
13: 0000000000000000 0 SECTION LOCAL DEFAULT 17
14: 0000000000000000 0 SECTION LOCAL DEFAULT 15
15: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND
_GLOBAL_OFFSET_TABLE_
16: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND mcheck
17: 0000000000000000 8 OBJECT GLOBAL DEFAULT 5
__malloc_initialize_hook
Which is what I have in Fedora.
I suggest reviewing the results of your binutils build to look for failures in
the testsuite versus what upstream failures are present.
At this point it looks like we've triaged this to the point where the distro
maintainers should take over.
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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--- Comment #19 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
What the configure options for binutils on Fedora?
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |INVALID
--- Comment #20 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Hussam Al-Tayeb from comment #19)
> What the configure options for binutils on Fedora?
+ ./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu
--program-prefix= --disable-dependency-tracking --prefix=/usr
--exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
--datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
--libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib
--mandir=/usr/share/man --infodir=/usr/share/info --quiet
--build=x86_64-redhat-linux --host=x86_64-redhat-linux
--target=x86_64-redhat-linux --enable-gold=default --enable-ld --with-sysroot=/
--enable-shared --enable-deterministic-archives=no --enable-lto
--enable-compressed-debug-sections=none --enable-generate-build-notes=no
--enable-targets=x86_64-pep --enable-relro=yes --enable-plugins
--with-bugurl=http://bugzilla.redhat.com/bugzilla/
https://kojipkgs.fedoraproject.org//packages/binutils/2.31.1/10.fc29/data/logs/x86_64/build.log
It's probably less about which exact configure options you use, and more about
which exact upstream version you have and if it had bugs and if you fixed them
with backports.
I'm going to mark this RESOLVED/INVALID. Please reach out to your distribution
and file bugs with them.
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>From glibc-bugs-return-42960-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 11 14:14:58 2018
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From: "me at hussam dot eu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Sat, 11 Aug 2018 14:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23489
--- Comment #21 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
I am using
https://sourceware.org/git/?p=binutils-gdb.git;a=shortlog;h=refs/heads/binutils-2_30-branch
with no backports. Are there any specific patches I need to apply on top of the
branch?
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>From glibc-bugs-return-42961-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 11 17:39:05 2018
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From: "ldv at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Sat, 11 Aug 2018 17:39:00 -0000
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Dmitry V. Levin <ldv at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
CC| |ldv at sourceware dot org
Resolution|INVALID |---
--- Comment #22 from Dmitry V. Levin <ldv at sourceware dot org> ---
I take the liberty to reopen this because I see exactly the same issue in ALT
with __malloc_initialize_hook@GLIBC_2.2.5 in libmcheck.a built from
release/2.27/master branch using binutils built from 20180528 snapshot of
2.30.0 branch.
The issue therefore is not distro-specific. If this happens to be a fixed bug
in upstream binutils, I think we have to identify the earliest version of
binutils that works properly and update glibc build requirements.
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>From glibc-bugs-return-42963-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 11 18:08:41 2018
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Subject: [Bug malloc/22050] Linking with -lmcheck does not hook __malloc_initialize_hook correctly
Date: Sat, 11 Aug 2018 18:08:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |23489
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=23489
[Bug 23489] "gcc -lmcheck" aborts on free when using posix_memalign
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>From glibc-bugs-return-42962-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 11 18:08:39 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Sat, 11 Aug 2018 18:08:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |NEW
Blocks| |22050
--- Comment #23 from Andreas Schwab <schwab@linux-m68k.org> ---
The version suffix is not a bug, __malloc_initialize_hook is a compat symbol.
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=22050
[Bug 22050] Linking with -lmcheck does not hook __malloc_initialize_hook
correctly
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>From glibc-bugs-return-42964-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 11 21:52:45 2018
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Subject: [Bug libc/23483] Dying Light SegFault at Libc.so.6
Date: Sat, 11 Aug 2018 21:52:00 -0000
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--- Comment #2 from John <johnpaul825 at yahoo dot com> ---
Created attachment 11181
--> https://sourceware.org/bugzilla/attachment.cgi?id=11181&action=edit
GDB Crash Log
I am Not sure the Function or Arguments but I have a debug report using Gdb
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>From glibc-bugs-return-42965-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 12:04:36 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23518] New: Eliminate __libc_utmp_jump_table
Date: Mon, 13 Aug 2018 12:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23518
Bug ID: 23518
Summary: Eliminate __libc_utmp_jump_table
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P3
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Flags: security-
There is only a single file-based backend, so that the dispatching through
function pointers is unnecessary.
In addition, this eliminates a bunch of non-mangled function pointers, so it s
minor security hardening.
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>From glibc-bugs-return-42966-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 12:23:43 2018
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Subject: [Bug string/23519] New: Consolidate strdup-style mbsrtowcs calls
Date: Mon, 13 Aug 2018 12:23:00 -0000
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Bug ID: 23519
Summary: Consolidate strdup-style mbsrtowcs calls
Product: glibc
Version: 2.28
Status: NEW
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Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
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err, error, __fxprintf, fnmatch all call mbsrtowcs in order to duplicate a
multibyte string as a wide string, with an optimization to avoid a heap
allocation for small results.
We should have one implementation for this in a single place.
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>From glibc-bugs-return-42967-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 12:44:36 2018
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Subject: [Bug nscd/23520] New: nscd: Use-after-free in addgetnetgrentX and its callers
Date: Mon, 13 Aug 2018 12:44:00 -0000
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Bug ID: 23520
Summary: nscd: Use-after-free in addgetnetgrentX and its
callers
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: nscd
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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This function ends with:
out:
free (buffer);
*resultp = dataset;
return timeout;
However, dataset can be equal to buffer if mempool_alloc fails:
struct dataset *newp
= (struct dataset *) mempool_alloc (db, total + req->key_len, 1);
if (__glibc_likely (newp != NULL))
{
/* Adjust pointer into the memory block. */
key_copy = (char *) newp + (key_copy - buffer);
dataset = memcpy (newp, dataset, total + req->key_len);
cacheable = true;
if (he != NULL)
/* Mark the old record as obsolete. */
dh->usable = false;
}
As far as I can see, there is no other place where dataset is pointed away from
buffer.
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>From glibc-bugs-return-42968-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 12:58:49 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/23521] New: get_next_alias nss_files file stream leak
Date: Mon, 13 Aug 2018 12:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23521
Bug ID: 23521
Summary: get_next_alias nss_files file stream leak
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: nss
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
The get_next_alias function in nss_files will not close the file opened in
response to an :include: directive if an ERANGE error is returned to the
caller.
This could be a minor denial-of-service issue if the function is called
repeatedly. Flagging as security- until application impact is demonstrated.
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>From glibc-bugs-return-42969-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 13:44:02 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/23522] New: get_next_alias in nss_files produces incorrect results on resource shortage
Date: Mon, 13 Aug 2018 13:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23522
Bug ID: 23522
Summary: get_next_alias in nss_files produces incorrect results
on resource shortage
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: nss
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
If the fopen and strdup calls fails, the :include: directive is silently not
processed. An error should be return to the caller in such cases.
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>From glibc-bugs-return-42970-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 14:04:57 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/23521] get_next_alias nss_files file stream leak
Date: Mon, 13 Aug 2018 14:04:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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>From glibc-bugs-return-42971-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 16:13:49 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/23522] get_next_alias in nss_files produces incorrect results on resource shortage
Date: Mon, 13 Aug 2018 16:13:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Furthermore, this code sequence (also present for the :include: case) will stop
reading if room_left happens to be zero because fgets_unlocked will return NULL
in this case:
/* Read the first line. It must contain the alias name and
possibly some alias names. */
first_unused[room_left - 1] = '\xff';
line = fgets_unlocked (first_unused, room_left, stream);
if (line == NULL)
/* Nothing to read. */
break;
This will result in incorrect parsing of certain input files.
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>From glibc-bugs-return-42972-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 16:14:41 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/23522] get_next_alias in nss_files produces incorrect results on resource shortage
Date: Mon, 13 Aug 2018 16:14:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Sorry, this only applies to the second instance (the :include: case).
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>From glibc-bugs-return-42973-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 13 23:58:37 2018
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Subject: [Bug libc/23524] New: Crosscompiling from a 32-bit platform to x86_64-linux fails
Date: Mon, 13 Aug 2018 23:58:00 -0000
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Bug ID: 23524
Summary: Crosscompiling from a 32-bit platform to x86_64-linux
fails
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
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Cross-compiling from a 32-bit platform (tried i686-openmandriva-linux-gnu and
armv7hnl-openmandriva-linux-gnu) to x86_64-openmandriva-linux-gnu errors out
with:
gawk -f ../scripts/gen-as-const.awk ../sysdeps/x86_64/link-defines.sym \
| x86_64-openmandriva-linux-gnu-gcc -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe
-Wformat -D_FORTIFY_SOURCE=2 -fstack-protector-strong
--param=ssp-buffer-size=4 -fPIC -fuse-ld=bfd -fno-strict-aliasing -Wno-error
-S -o
/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/link-defines.hT3
-std=gnu11 -fgnu89-inline --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 -Os
-Wall -Werror -Wformat -Wno-error -Wstrict-aliasing=2 -Wundef -Wwrite-strings
-fPIC -fmerge-all-constants -fno-stack-protector -fno-strict-aliasing
-frounding-math -fstack-protector-strong -fuse-ld=bfd -gdwarf-4 -pipe
-Wstrict-prototypes -Wold-style-definition -fno-math-errno
-ftls-model=initial-exec -U_FORTIFY_SOURCE -I../include
-I/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/csu
-I/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86
-I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64
-I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include
-I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread
-I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix
-I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch
-I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -nostdinc -isystem
/usr/lib/gcc/x86_64-openmandriva-linux-gnu/8.2.0/include -isystem
/usr/lib/gcc/x86_64-openmandriva-linux-gnu/8.2.0/include-fixed -isystem
/usr/x86_64-openmandriva-linux-gnu/include -D_LIBC_REENTRANT -include
/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/libc-modules.h
-DMODULE_NAME=libc -include ../include/libc-symbols.h
-DTOP_NAMESPACE=glibc \
-DGEN_AS_CONST_HEADERS -x c - \
-MD -MP -MF
/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/link-defines.h.dT
-MT
'/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/link-defines.h.d
/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/link-defines.h'
In file included from ../include/link.h:51,
from <stdin>:1:
../sysdeps/x86_64/nptl/tls.h:83:1: error: static assertion failed: "offset of
__private_ss != 0x70"
_Static_assert (offsetof (tcbhead_t, __private_ss) == 0x70,
^~~~~~~~~~~~~~
../sysdeps/x86_64/nptl/tls.h:85:1: error: static assertion failed: "offset of
__glibc_unused2 != 0x80"
_Static_assert (offsetof (tcbhead_t, __glibc_unused2) == 0x80,
^~~~~~~~~~~~~~
In file included from ../nptl/descr.h:24,
from ../sysdeps/x86_64/nptl/tls.h:130,
from ../include/link.h:51,
from <stdin>:1:
../include/setjmp.h:42:3: error: static assertion failed: "size of jmp_buf !=
200"
_Static_assert (sizeof (type) == size, \
^~~~~~~~~~~~~~
../include/setjmp.h:55:1: note: in expansion of macro ‘TEST_SIZE’
TEST_SIZE (jmp_buf, JMP_BUF_SIZE);
^~~~~~~~~
../include/setjmp.h:42:3: error: static assertion failed: "size of sigjmp_buf
!= 200"
_Static_assert (sizeof (type) == size, \
^~~~~~~~~~~~~~
../include/setjmp.h:56:1: note: in expansion of macro ‘TEST_SIZE’
TEST_SIZE (sigjmp_buf, SIGJMP_BUF_SIZE);
^~~~~~~~~
../include/setjmp.h:46:3: error: static assertion failed: "align of jmp_buf !=
8"
_Static_assert (__alignof__ (type) == align , \
^~~~~~~~~~~~~~
../include/setjmp.h:59:1: note: in expansion of macro ‘TEST_ALIGN’
TEST_ALIGN (jmp_buf, JMP_BUF_ALIGN);
^~~~~~~~~~
../include/setjmp.h:46:3: error: static assertion failed: "align of sigjmp_buf
!= 8"
_Static_assert (__alignof__ (type) == align , \
^~~~~~~~~~~~~~
../include/setjmp.h:60:1: note: in expansion of macro ‘TEST_ALIGN’
TEST_ALIGN (sigjmp_buf, SIGJMP_BUF_ALIGN);
^~~~~~~~~~
../include/setjmp.h:50:3: error: static assertion failed: "offset of
__mask_was_saved field of struct __jmp_buf_tag != 64"
_Static_assert (offsetof (type, member) == offset, \
^~~~~~~~~~~~~~
../include/setjmp.h:63:1: note: in expansion of macro ‘TEST_OFFSET’
TEST_OFFSET (struct __jmp_buf_tag, __mask_was_saved,
^~~~~~~~~~~
../include/setjmp.h:50:3: error: static assertion failed: "offset of
__saved_mask field of struct __jmp_buf_tag != 72"
_Static_assert (offsetof (type, member) == offset, \
^~~~~~~~~~~~~~
../include/setjmp.h:65:1: note: in expansion of macro ‘TEST_OFFSET’
TEST_OFFSET (struct __jmp_buf_tag, __saved_mask,
^~~~~~~~~~~
<stdin>: In function ‘dummy’:
<stdin>:4:76: error: ‘La_x86_64_vector’ undeclared (first use in this function)
<stdin>:4:76: note: each undeclared identifier is reported only once for each
function it appears in
<stdin>:5:73: error: ‘La_x86_64_xmm’ undeclared (first use in this function);
did you mean ‘R_X86_64_32S’?
<stdin>:6:73: error: ‘La_x86_64_ymm’ undeclared (first use in this function);
did you mean ‘R_X86_64_32S’?
<stdin>:7:73: error: ‘La_x86_64_zmm’ undeclared (first use in this function);
did you mean ‘R_X86_64_32S’?
<stdin>:8:73: error: ‘__int128_t’ undeclared (first use in this function); did
you mean ‘__int32_t’?
<stdin>:9:72: error: invalid application of ‘sizeof’ to incomplete type ‘struct
La_x86_64_regs’
In file included from ../sysdeps/nptl/libc-lockP.h:24,
from ../sysdeps/nptl/libc-lock.h:184,
from ../include/link.h:52,
from <stdin>:1:
<stdin>:10:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:11:69: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:12:69: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:13:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:14:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:15:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:16:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:17:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:18:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:19:73: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:21:70: error: invalid use of undefined type ‘struct La_x86_64_regs’
<stdin>:23:73: error: invalid application of ‘sizeof’ to incomplete type
‘struct La_x86_64_retval’
In file included from ../sysdeps/nptl/libc-lockP.h:24,
from ../sysdeps/nptl/libc-lock.h:184,
from ../include/link.h:52,
from <stdin>:1:
<stdin>:24:71: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:25:71: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:26:72: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:27:72: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:28:71: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:29:71: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:30:75: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:31:75: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:33:72: error: invalid use of undefined type ‘struct La_x86_64_retval’
<stdin>:34:72: error: invalid use of undefined type ‘struct La_x86_64_retval’
make[2]: *** [../Makerules:287:
/home/bero/temp/abf/glibc/BUILD/glibc-2.28/obj-x86_64-openmandriva-linux-gnu/link-defines.h]
Error 1
make[2]: Leaving directory '/home/bero/temp/abf/glibc/BUILD/glibc-2.28/csu'
Cross-compiling from a 64-bit platform (aarch64-openmandriva-linux-gnu) to
x86_64-openmandriva-linux-gnu works fine, as does cross-compiling from a 32-bit
platform to different targets including aarch64-openmandriva-linux-gnu.
I haven't had the time to debug this yet -- I presume one of the scripts
generating defines uses the build machine's wordsize as opposed to the
target's.
Configure command used:
../configure --prefix=/usr/x86_64-openmandriva-linux-gnu
--host=x86_64-openmandriva-linux-gnu --target=x86_64-openmandriva-linux-gnu
--with-gnu-ld=x86_64-openmandriva-linux-gnu-ld.bfd
--with-headers=/usr/x86_64-openmandriva-linux-gnu/include
Build system type was correctly detected as i686-pc-linux-gnu.
Tools used:
binutils 2.30
gcc 8.2.0
make 4.2.1
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Subject: [Bug libc/23524] Crosscompiling from a 32-bit platform to x86_64-linux fails
Date: Tue, 14 Aug 2018 04:33:00 -0000
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Thank you very much for submitting this bug.
Unfortunately cross compiling from a 32-bit system to a 64-bit system is not
something that we do routinely so it's bound to break over time.
(In reply to Bernhard Rosenkränzer from comment #0)
> Configure command used:
> ../configure --prefix=/usr/x86_64-openmandriva-linux-gnu
> --host=x86_64-openmandriva-linux-gnu --target=x86_64-openmandriva-linux-gnu
> --with-gnu-ld=x86_64-openmandriva-linux-gnu-ld.bfd
> --with-headers=/usr/x86_64-openmandriva-linux-gnu/include
Your --host is wrong, both --build and --host should be set to the build system
triplet.
Only --target should be set to the target triplet you are building the
libraries for.
Try again?
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Subject: [Bug libc/23524] Crosscompiling from a 32-bit platform to x86_64-linux fails
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
> Only --target should be set to the target triplet you are building the
> libraries for.
--target is completely irrelevant outside of a compiler. The glibc configure
script doesn't even look at it.
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Subject: [Bug nss/23521] get_next_alias nss_files file stream leak
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Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 14 10:52:06 2018 +0200
nss_files: Fix file stream leak in aliases lookup [BZ #23521]
In order to get a clean test case, it was necessary to fix partially
fixed bug 23522 as well.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 ++
nss/Makefile | 3 +
nss/nss_files/files-alias.c | 9 ++
nss/tst-nss-files-alias-leak.c | 237 ++++++++++++++++++++++++++++++++++++++++
4 files changed, 262 insertions(+), 0 deletions(-)
create mode 100644 nss/tst-nss-files-alias-leak.c
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.29.
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Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 14 10:52:06 2018 +0200
nss_files: Fix file stream leak in aliases lookup [BZ #23521]
In order to get a clean test case, it was necessary to fix partially
fixed bug 23522 as well.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 ++
nss/Makefile | 3 +
nss/nss_files/files-alias.c | 9 ++
nss/tst-nss-files-alias-leak.c | 237 ++++++++++++++++++++++++++++++++++++++++
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Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 14 10:57:48 2018 +0200
nss_files: Fix file stream leak in aliases lookup [BZ #23521]
In order to get a clean test case, it was necessary to fix partially
fixed bug 23522 as well.
(cherry picked from commit e95c6f61920a0f9237cfb292fa44ad500e1df09b)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 ++
NEWS | 1 +
nss/Makefile | 3 +
nss/nss_files/files-alias.c | 9 ++
nss/tst-nss-files-alias-leak.c | 237 ++++++++++++++++++++++++++++++++++++++++
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2f498f3d140ab5152bd784df2be7af7d9c5e63ed
commit 2f498f3d140ab5152bd784df2be7af7d9c5e63ed
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 14 10:57:48 2018 +0200
nss_files: Fix file stream leak in aliases lookup [BZ #23521]
In order to get a clean test case, it was necessary to fix partially
fixed bug 23522 as well.
(cherry picked from commit e95c6f61920a0f9237cfb292fa44ad500e1df09b)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 ++
NEWS | 1 +
nss/Makefile | 3 +
nss/nss_files/files-alias.c | 9 ++
nss/tst-nss-files-alias-leak.c | 237 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 263 insertions(+), 0 deletions(-)
create mode 100644 nss/tst-nss-files-alias-leak.c
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Subject: [Bug stdio/23525] Uninitialized multi-byte conversion state in fxprintf
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>From glibc-bugs-return-42982-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 14 12:02:07 2018
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Subject: [Bug stdio/23525] New: Uninitialized multi-byte conversion state in fxprintf
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Bug ID: 23525
Summary: Uninitialized multi-byte conversion state in fxprintf
Product: glibc
Version: 2.28
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Flags: security-
locked_vfxprintf calls mbsrtowcs on an uninitialized state, which is undefined.
It should call mbstowcs (without the r) instead, which performs the
initialization.
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>From glibc-bugs-return-42984-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 14 13:04:30 2018
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Subject: [Bug libc/23524] Crosscompiling from a 32-bit platform to x86_64-linux fails
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Mon, 13 Aug 2018, bero at lindev dot ch wrote:
> | x86_64-openmandriva-linux-gnu-gcc -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe
> <stdin>:8:73: error: ‘__int128_t’ undeclared (first use in this function); did
> you mean ‘__int32_t’?
Your x86_64-openmandriva-linux-gnu-gcc is misconfigured (defaults to
32-bit code generation): any GCC properly configured for a 64-bit target
should predefine the __int128_t type. You need to fix your cross compiler
configuration; this is not a glibc bug.
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Subject: [Bug string/23519] Consolidate strdup-style mbsrtowcs calls
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Zack Weinberg <zackw at panix dot com> changed:
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CC| |zackw at panix dot com
--- Comment #1 from Zack Weinberg <zackw at panix dot com> ---
Would this be an appropriate place to use scratch buffers?
Also, I kinda think we should make wide output to narrow streams, and
vice-versa, well-defined; that would allow us to remove kludges all over the
place.
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Subject: [Bug string/23519] Consolidate strdup-style mbsrtowcs calls
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
We could use scratch buffers, but the default buffer size is fairly large, and
we can estimate the required buffer size pretty accurately, so the exponential
resizing shouldn't be need.
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>From glibc-bugs-return-42987-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 14 15:33:14 2018
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Subject: [Bug libc/23524] Crosscompiling from a 32-bit platform to x86_64-linux fails
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #2)
> > Only --target should be set to the target triplet you are building the
> > libraries for.
>
> --target is completely irrelevant outside of a compiler. The glibc
> configure script doesn't even look at it.
You are absolutely right. You should set only --host, and let --build be
guessed, and ignore --target. Let me cleanup my own build scripts so I give
accurate information in the future.
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fdb16de38705ccff0dbf38af9956eb4165710106
commit fdb16de38705ccff0dbf38af9956eb4165710106
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 14 13:36:10 2018 +0200
error, warn, warnx: Use __fxprintf for wide printing [BZ #23519]
Also introduce the __vfxprintf function.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++
include/stdio.h | 2 +
misc/Makefile | 2 +-
misc/err.c | 82 +++++---------------------------------------
misc/error.c | 72 ++++----------------------------------
misc/tst-warn-wide.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++
stdio-common/fxprintf.c | 16 +++++---
7 files changed, 129 insertions(+), 145 deletions(-)
create mode 100644 misc/tst-warn-wide.c
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>From glibc-bugs-return-42989-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 14 21:31:04 2018
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From: "bero at lindev dot ch" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23524] Crosscompiling from a 32-bit platform to x86_64-linux fails
Date: Tue, 14 Aug 2018 21:31:00 -0000
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--- Comment #5 from Bernhard Rosenkränzer <bero at lindev dot ch> ---
Indeed looks like it's a gcc bug instead.
gcc built with
../configure --prefix=/usr --libexecdir=/usr/libexec --libdir=/usr/lib
--with-slibdir=/usr/x86_64-openmandriva-linux-gnu/lib --mandir=/usr/share/man
--infodir=/usr/share/info --without-cloog --without-ppl --disable-libffi
--disable-libgomp --disable-libquadmath --disable-libssp --disable-werror
--enable-__cxa_atexit --enable-gold=default
--with-plugin-ld=/usr/bin/x86_64-openmandriva-linux-gnu-ld
--enable-checking=release --enable-gnu-unique-object
--enable-gnu-indirect-function --with-linker-hash-style=gnu
--enable-languages=c --program-prefix=x86_64-openmandriva-linux-gnu-
--enable-linker-build-id --disable-plugin --disable-lto --disable-libatomic
--disable-shared --enable-static --with-system-zlib
--with-bugurl=https://issues.openmandriva.org --disable-multilib
--disable-threads --disable-libmpx --target=x86_64-openmandriva-linux-gnu
--with-multilib-list=m64
on an i686 box seems to produce 32-bit code.
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From: "harvos.arsen at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/23530] New: getaddrinfo returns EAI_SYSTEM with errno Date: Wed, 15 Aug 2018 15:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23530
Bug ID: 23530
Summary: getaddrinfo returns EAI_SYSTEM with errno = 0
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: harvos.arsen at gmail dot com
Target Milestone: ---
getaddrinfo manpage for EAI_SYSTEM return code says: "Other system error, check
errno for details.".
However, there is a case when errno is not set.
The case is hard to reproduce. It occurres when process reaches its limit for
open file descriptors and many threads call getaddrinfo concurrently.
Expected result:
getaddrinfo returnes -11 (EAI_SYSTEM), errno is set to 24 (EMFILE)
Actual result:
getaddrinfo returnes -11 (EAI_SYSTEM), errno is set to 0
The exact place where errno is lost:
__res_context_search returnes <0, errno 24
_nss_dns_gethostbyname4_r returnes NETDB_INTERNAL, errno 0 (rewritten)
gaih_inet maps NETDB_INTERNAL to EAI_SYSTEM
Old value = 24
New value = 0
0x00007ffff5a68d75 in _nss_dns_gethostbyname4_r (name=name@entry=0x555555556b2e
"google.com", pat=pat@entry=0x7ffff6e7f698, buffer=0x7ffff6e7f920 "\377\002",
buflen=1024, errnop=errnop@entry=0x7ffff6e80660, herr
nop=herrnop@entry=0x7ffff6e806c4, ttlp=0x0) at nss_dns/dns-host.c:386
#0 0x00007ffff5a68d75 in _nss_dns_gethostbyname4_r
(name=name@entry=0x555555556b2e "google.com", pat=pat@entry=0x7ffff6e7f698,
buffer=0x7ffff6e7f920 "\377\002", buflen=1024,
errnop=errnop@entry=0x7ffff6e80660,
herrnop=herrnop@entry=0x7ffff6e806c4, ttlp=0x0) at nss_dns/dns-host.c:386
#1 0x00007ffff7324d55 in gaih_inet (name=name@entry=0x555555556b2e
"google.com", service=<optimized out>, req=req@entry=0x7ffff6e7fda0,
pai=pai@entry=0x7ffff6e7f8a8, naddrs=naddrs@entry=0x7ffff6e7f8a4, tmpbuf=t
mpbuf@entry=0x7ffff6e7f910) at ../sysdeps/posix/getaddrinfo.c:786
#2 0x00007ffff7326ce4 in __GI_getaddrinfo (name=<optimized out>,
service=<optimized out>, hints=0x7ffff6e7fda0, pai=0x7ffff6e7fd90) at
../sysdeps/posix/getaddrinfo.c:2300
#3 0x0000555555555281 in <lambda()>::operator()(void) const
(__closure=0x55555576be78) at proof.c:34
#4 0x00005555555556ad in std::__invoke_impl<void, main(int,
char**)::<lambda()> >(std::__invoke_other, <lambda()> &&) (__f=...) at
/usr/include/c++/7/bits/invoke.h:60
#5 0x00005555555554c8 in std::__invoke<main(int, char**)::<lambda()>
>(<lambda()> &&) (__fn=...) at /usr/include/c++/7/bits/invoke.h:95
#6 0x00005555555558d4 in std::thread::_Invoker<std::tuple<main(int,
char**)::<lambda()> > >::_M_invoke<0>(std::_Index_tuple<0>)
(this=0x55555576be78) at /usr/include/c++/7/thread:234
#7 0x0000555555555890 in std::thread::_Invoker<std::tuple<main(int,
char**)::<lambda()> > >::operator()(void) (this=0x55555576be78) at
/usr/include/c++/7/thread:243
#8 0x0000555555555860 in
std::thread::_State_impl<std::thread::_Invoker<std::tuple<main(int,
char**)::<lambda()> > > >::_M_run(void) (this=0x55555576be70) at
/usr/include/c++/7/thread:186
#9 0x00007ffff78e6733 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007ffff7bbd6db in start_thread (arg=0x7ffff6e80700) at
pthread_create.c:463
#11 0x00007ffff734088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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>From glibc-bugs-return-42991-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 15 21:02:09 2018
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From: "jeremy.lin at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23532] New: race condition in muntrace
Date: Wed, 15 Aug 2018 21:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23532
Bug ID: 23532
Summary: race condition in muntrace
Product: glibc
Version: 2.17
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Severity: enhancement
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
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On a CentOS 7 system (glibc 2.17), I ran into a crash that appears to be due to
muntrace() setting a file pointer to NULL when it could still be in use. The
issue still exists in the master branch.
From
https://sourceware.org/git/?p=glibc.git;a=blob;f=malloc/mtrace.c;h=9064f209ec3b24c6b341a31fe8acfe98580a59ba;hb=refs/heads/master#l340
330 void
331 muntrace (void)
332 {
333 if (mallstream == NULL)
334 return;
335
336 /* Do the reverse of what done in mtrace: first reset the hooks and
337 MALLSTREAM, and only after that write the trailer and close the
338 file. */
339 FILE *f = mallstream;
340 mallstream = NULL;
341 __free_hook = tr_old_free_hook;
342 __malloc_hook = tr_old_malloc_hook;
343 __realloc_hook = tr_old_realloc_hook;
344 __memalign_hook = tr_old_memalign_hook;
345
346 fprintf (f, "= End\n");
347 fclose (f);
348 }
Here, `mallstream` is being set to NULL before the old hook functions are
restored, so the tracing hook functions are still in place and potentially
trying to use `mallstream` (from another thread).
Nulling `mallstream` later would make this race less likely, but could
presumably still be an issue if another thread were already inside one of the
hook functions. I realize mtrace/muntrace are marked MT-Unsafe, so I guess this
is more of a nice-to-have change than a real bug.
For reference, my backtrace was:
#0 _IO_vfprintf_internal (s=0x0, format=0x7f86d961ee9c "@ %s%s%s[%p] ",
ap=ap@entry=0x7f86b06d2218)
at vfprintf.c:1271
#1 0x00007f86d94f1827 in __fprintf (stream=<optimized out>,
format=format@entry=0x7f86d961ee9c "@ %s%s%s[%p] ") at fprintf.c:32
#2 0x00007f86d95242e5 in tr_where (caller=caller@entry=0x7f86d9567f9b
<re_dfa_add_node+347>,
info=info@entry=0x7f86b06d2320) at mtrace.c:110
#3 0x00007f86d9524588 in tr_reallochook (ptr=0x7f86a96657e0, size=416,
caller=0x7f86d9567f9b <re_dfa_add_node+347>) at mtrace.c:220
#4 0x00007f86d9567f9b in re_dfa_add_node (dfa=0x7f86a9671f80, token=...) at
regex_internal.c:1433
#5 0x00007f86d9579704 in calc_first (node=0x7f86a95fed48, extra=<optimized
out>) at regcomp.c:1375
#6 postorder (fn=0x7f86d956c180 <calc_first>, extra=0x7f86a9671f80,
root=<optimized out>) at regcomp.c:1226
#7 analyze (preg=<optimized out>) at regcomp.c:1180
#8 re_compile_internal (preg=preg@entry=0x7f86b06d2540,
pattern=pattern@entry=0x7759d7 "^[0-9]{1,6}$",
length=<optimized out>, syntax=syntax@entry=242428) at regcomp.c:797
#9 0x00007f86d957aa50 in __regcomp (preg=preg@entry=0x7f86b06d2540,
pattern=0x7759d7 "^[0-9]{1,6}$",
cflags=cflags@entry=1) at regcomp.c:499
[...snip...]
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>From glibc-bugs-return-42992-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 15 23:08:47 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23532] race condition in muntrace
Date: Wed, 15 Aug 2018 23:08:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |carlos at redhat dot com
Resolution|--- |WONTFIX
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Thank you very much for filling the bug! We do appreciate suggestions like
this.
For now I'm marking this RESOLVED/WONTFIX. We are not going to fix this with
the hooks interface. Soon the hooks will be deprecated and usable only with
LD_PRELOAD=libmalloc-extras.so (when my patch for this goes in upstream).
For now muntrace is marked MT-unsafe and cannot be used with threads. When we
get a thread-safe backend we will adjust the safety markup. I expect the new
tracer will be based on the trace infrastructure the Red Hat team (DJ, Florian,
myself) made for trace/simulation, since that's thread safe.
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From: "harvos.arsen at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/23530] getaddrinfo returns EAI_SYSTEM with errno = 0
Date: Thu, 16 Aug 2018 06:47:00 -0000
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Arseniy Simonov <harvos.arsen at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |harvos.arsen at gmail dot com
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>From glibc-bugs-return-42994-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 16 13:19:02 2018
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Subject: [Bug network/23530] getaddrinfo returns EAI_SYSTEM with errno = 0
Date: Thu, 16 Aug 2018 13:19:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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From: "frederik-sourceware at ofb dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Thu, 16 Aug 2018 20:26:00 -0000
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Frederick Eaton <frederik-sourceware at ofb dot net> changed:
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--- Comment #4 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
David could this bug be the cause of the problem I experienced recently with
link-local IPv6 addresses lacking an interface?
https://superuser.com/questions/1349197/nscd-on-ipv6-dhcp-with-link-local-addresses-causes-ssh-connect-to-host-myserve?noredirect=1#comment2022321_1349197
https://bbs.archlinux.org/viewtopic.php?id=239604
I'm wondering if I should submit a new bug. It looks like you did some great
debugging and it's too bad that nobody gave you a response yet. Maybe I ought
to try your patch... However I think that I was using glibc 2.27 before and the
problem must have appeared in 2.28, while your bug appeared in 2.22...
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From: "martin.kuchta at netapp dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23538] New: Hang in pthread_cond_broadcast
Date: Thu, 16 Aug 2018 22:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23538
Bug ID: 23538
Summary: Hang in pthread_cond_broadcast
Product: glibc
Version: 2.26
Status: UNCONFIRMED
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Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: martin.kuchta at netapp dot com
CC: drepper.fsp at gmail dot com
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Created attachment 11188
--> https://sourceware.org/bugzilla/attachment.cgi?id=11188&action=edit
Proposed patch for the bug
After upgrading from glibc 2.23 to 2.26, we've been seeing what looks like a
hang inside pthread_cond_broadcast calls in our application.
Our efforts so far to produce a standalone repeatable test showing this
behavior have been unsuccessful, but a stress test of our application fairly
reliably reproduces the issue every 15-24 hours. I realize that this would be a
more useful bug report with a standalone recreate, but I have some speculation
about where the problem might be based on inspecting core dumps and the nptl
source.
We are using a version of glibc with Gentoo patches (glibc-2.26-r7), but the
sections of code I'm looking at are identical to the current upstream master
branch (unchanged since the condition variable rewrite in 2016).
Our libc was built with:
gcc-7.3.0
configure arguments: '--enable-stack-protector=all
--enable-stackguard-randomization --enable-kernel=3.2.0 --enable-add-ons=libidn
--without-selinux --without-cvs --disable-werror --enable-bind-now
--build=i686-pc-linux-gnu --host=i686-pc-linux-gnu --disable-profile
--without-gd --with-headers=/usr/include --prefix=/usr --sysconfdir=/etc
--localstatedir=/var --libdir=$(prefix)/lib32 --mandir=$(prefix)/share/man
--infodir=$(prefix)/share/info --libexecdir=$(libdir)/misc/glibc
--with-bugurl=https://bugs.gentoo.org/ --with-pkgversion=Gentoo 2.26-r7 p7
--disable-systemtap --disable-nscd --disable-timezone-tools'
CFLAGS="-march=westmere -pipe -O2 -fno-strict-aliasing"
We're running on a 4.14.49 Linux kernel.
At the time our application's hang detector kicks in and kills the process,
these are always the top frames of the hung thread's stack:
#0 0x00007ff8ef32320c in futex_wait (private=<optimized out>, expected=2,
futex_word=0x7ff8e7433a6c) at ../sysdeps/unix/sysv/linux/futex-internal.h:61
#1 futex_wait_simple (private=<optimized out>, expected=2,
futex_word=0x7ff8e7433a6c) at ../sysdeps/nptl/futex-internal.h:135
#2 __condvar_quiesce_and_switch_g1 (private=<optimized out>,
g1index=<synthetic pointer>, wseq=<optimized out>, cond=0x7ff8e7433a58) at
pthread_cond_common.c:412
#3 __pthread_cond_broadcast (cond=cond@entry=0x7ff8e7433a58) at
pthread_cond_broadcast.c:73
And the actual condition variable state always looks something like this:
{__data = {{__wseq = 212413044, __wseq32 = {__low = 212413044, __high = 0}},
{__g1_start = 212413034, __g1_start32 = {__low = 212413034, __high = 0}},
__g_refs = {2, 0}, __g_size = {0, 0}, __g1_orig_size = 17, __wrefs = 10,
__g_signals = {0, 5}},
__size = "t*\251\f\000\000\000\000j*\251\f\000\000\000\000\002", '\000'
<repeats 15 times>,
"\021\000\000\000\n\000\000\000\000\000\000\000\005\000\000", __align =
212413044}
The hung thread is always in a futex_wait call with futex_word being the
address of one of the elements of __g_refs and expected=2. The actual value at
futex_word is always 0.
And here is what I think might be happening:
In this loop within __condvar_quiesce_and_switch_g1, the broadcasting thread is
supposed to be waiting for all the existing waiters to leave g1:
while ((r >> 1) > 0)
{
for (unsigned int spin = maxspin; ((r >> 1) > 0) && (spin > 0); spin--)
{
/* TODO Back off. */
r = atomic_load_relaxed (cond->__data.__g_refs + g1);
}
if ((r >> 1) > 0)
{
/* There is still a waiter after spinning. Set the wake-request
flag and block. Relaxed MO is fine because this is just about
this futex word. */
r = atomic_fetch_or_relaxed (cond->__data.__g_refs + g1, 1);
if ((r >> 1) > 0)
futex_wait_simple (cond->__data.__g_refs + g1, r, private);
/* Reload here so we eventually see the most recent value even if we
do not spin. */
r = atomic_load_relaxed (cond->__data.__g_refs + g1);
}
}
In a normal situation where there is still a waiter holding a reference, I
think the flow could go something like this:
*The atomic-or reads the value 2 and writes 3
*futex_wait_simple is called with expected=2 and immediately returns because
the actual value of 3 is not the same as the expected
*(There is still a waiter, so the loop repeats)
*The atomic-or reads the value 3 and writes 3
*futex_wait_simple is called with expected=3 and blocks
*At some point, the last waiter releases its reference with
__condvar_dec_grefs, which sees the value of 3 for the reference count, unsets
the wake-request flag, and calls futex_wake to unblock the broadcasting thread:
static void
__condvar_dec_grefs (pthread_cond_t *cond, unsigned int g, int private)
{
/* Release MO to synchronize-with the acquire load in
__condvar_quiesce_and_switch_g1. */
if (atomic_fetch_add_release (cond->__data.__g_refs + g, -2) == 3)
{
/* Clear the wake-up request flag before waking up. We do not need more
than relaxed MO and it doesn't matter if we apply this for an aliased
group because we wake all futex waiters right after clearing the
flag. */
atomic_fetch_and_relaxed (cond->__data.__g_refs + g, ~(unsigned int) 1);
futex_wake (cond->__data.__g_refs + g, INT_MAX, private);
}
}
In my situation, the unexpected piece seems to be that futex_wait is blocking
on a value without the wake-request flag set. This indicates to me that
something must have cleared the wake-request flag between the atomic-or and
futex_wait on the broadcasting thread. The only place I see the wake-request
flag being cleared is in __condvar_dec_grefs.
The most reasonable explanation I've been able to come up with is that the last
waiter from the _previous_ time this group was g1 decremented the reference
count in __condvar_dec_grefs and entered the if-block, but was preempted before
clearing the wake-request flag. Because the reference count was decremented,
the broadcast was able to complete. Another broadcast then happened, swapping
the active group and making the original group g1 again. On the broadcast after
that, the old waiter thread resumed and cleared the wake-request flag right
between the broadcaster reading the value 2 from the reference count and
calling futex_wait, causing the futex_wait to block. The last legitimate waiter
on g1 at that point would not call futex_wake when releasing its reference
since the wake-request flag would not be set, leaving the broadcasting thread
blocked indefinitely.
I did manage to produce a scenario like this in a manual test involving
multiple processes broadcasting and waiting on a shared memory condition
variable, using gdb to pause and resume processes in the right places. The hang
I observed in that experiment looked the same as the one our real system is
hitting. Manually controlling the processes makes this a bit less convincing,
but it does seem to add a bit more evidence that a hang in
pthread_cond_broadcast is possible by just altering timing.
My feeling is that the futex_wait call in __condvar_quiesce_and_switch_g1
should be made with the expected value being the one just written to __g_refs
(with the wake-request flag set), instead of the one read. This would guarantee
that if the futex_wait sleeps, then the wake-request flag is set. If another
thread comes in and clears the wake-request flag before the futex_wait call,
the values will no longer match and it will simply return.
I've attached the patch that we're going to be trying internally as a potential
fix for this issue.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Fri, 17 Aug 2018 03:14:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Frederick Eaton from comment #4)
> I'm wondering if I should submit a new bug. It looks like you did some great
> debugging and it's too bad that nobody gave you a response yet. Maybe I
> ought to try your patch... However I think that I was using glibc 2.27
> before and the problem must have appeared in 2.28, while your bug appeared
> in 2.22...
Volunteering to try patches like the one posted by David in comment #1 always
helps.
In general these issues are difficult to reproduce because they require some
complex system startup orchestration. No developer has likely seen the issue or
we would fix it.
Thus it's mostly up to David to drive his use case further, and get involved in
fixing it. I don't have any more advice than that.
The next step here is:
* Post a proper patch to libc-alpha@sourceware.org.
See the contribution checklist:
https://sourceware.org/glibc/wiki/Contribution%20checklist
Florian Weimer <fweimer@redhat.com> is the network subsystem maintainer, so you
should TO him on your patch which explains the issue. Florian worked on the
/etc/resolve.conf dynamic reloading, so he's empathetic to the dyanmic aspect
of a network configuration :-)
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Fri, 17 Aug 2018 05:11:00 -0000
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--- Comment #6 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
Thanks Carlos, for the encouragement and instructions.
Before submitting a bug I want to try downgrading glibc to an earlier
version which doesn't exhibit the problem. I checked on another
machine with version 2.25 and I find that nscd was disabled, but upon
enabling it ssh breaks. But downgrading is difficult on my distro
(Arch), and downgrading glibc tends to break a lot of things, and I'm
relatively inexperienced, so it may be a while before I get around to
it (and in the meantime there is an easy workaround: disable the
systemd unit). I'm also confused about why I experienced this problem
suddenly after upgrading from glibc 2.27 to 2.28, as when I downgrade
to 2.27 I still get the failure (and as I said 2.25 shows it too...).
David, sorry for spamming your bug comments. The relationship was
superficial but I need to do more debugging to know more.
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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From: "He.Hongjun at zte dot com.cn" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: =?UTF-8?B?W0J1ZyBucHRsLzIzNTQzXSBOZXc6IHdoZW4gbGlua2VkIHdpdGhvdXQgLWxw?= =?UTF-8?B?dGhyZWFk77yMIHNlbV90aW1lZHdhaXQgd2lsbCBiZSBmYWls?Date: Fri, 17 Aug 2018 09:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23543
Bug ID: 23543
Summary: when linked without -lpthread， sem_timedwait will be
fail
Product: glibc
Version: 2.30
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: He.Hongjun at zte dot com.cn
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11191
--> https://sourceware.org/bugzilla/attachment.cgi?id=11191&action=edit
call sem_timedwait failed
when act like below:
1. calling sem_timedwait in shared lib, and the shrared lib linked without
-lpthread;
2. the main program linked with -lptherad;
then, the sem_timedwait is failed.
this happend on x86 and mips.
the sample:
sem_mai.c
#include <stdio.h>
extern void testsem();
int main()
{
printf("=== main start\n");
testsem();
printf("=== end\n");
}
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>From glibc-bugs-return-43001-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 17 10:53:03 2018
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Subject: [Bug build/17248] glibc should not sort CFLAGS (support gcc plugins and --param options)
Date: Fri, 17 Aug 2018 10:53:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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>From glibc-bugs-return-43002-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 17 12:01:17 2018
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Subject: =?UTF-8?B?W0J1ZyBucHRsLzIzNTQzXSB3aGVuIGxpbmtlZCB3aXRob3V0IC1scHRocmVh?= =?UTF-8?B?ZO+8jCBzZW1fdGltZWR3YWl0IHdpbGwgYmUgZmFpbA==?Date: Fri, 17 Aug 2018 12:01:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |fweimer at redhat dot com
Resolution|--- |DUPLICATE
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
See bug 20489 comment 16. Objects need to be linked at the right library, or
otherwise the symbol version information will be missing.
*** This bug has been marked as a duplicate of bug 20489 ***
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>From glibc-bugs-return-43003-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 17 12:01:18 2018
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Subject: [Bug librt/20489] timer_create in compatibility mode on a 64bit big-endian system segfaults
Date: Fri, 17 Aug 2018 12:01:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #19 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 23543 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-43004-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 17 12:02:35 2018
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Subject: [Bug librt/20489] timer_create in compatibility mode on a 64bit big-endian system segfaults
Date: Fri, 17 Aug 2018 12:02:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #20 from Florian Weimer <fweimer at redhat dot com> ---
Consensus appears to be that such objects are invalid.
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>From glibc-bugs-return-43005-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 17 13:16:48 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/14185] fnmatch() fails when '*' wildcard is applied on the file name containing multi-byte character(s)
Date: Fri, 17 Aug 2018 13:16:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
Our current mbrtowc implementation is quite slow because it has to call into
gconv to convert a single character. It's not extremely bad (~40 MiB/s on a
somewhat dated laptop, Core i7-2620M CPU), but I can see why there is a desire
to have a fast path for single-byte strings. Replacing *p++ with mbrtowc for
string decoding would probably need a UTF-8 path inside mbrtowc, or a different
kind of interface to reduce the setup overhead.
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>From glibc-bugs-return-43006-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 17 17:44:05 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/14185] fnmatch() fails when '*' wildcard is applied on the file name containing multi-byte character(s)
Date: Fri, 17 Aug 2018 17:44:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #8)
> Our current mbrtowc implementation is quite slow because it has to call into
> gconv to convert a single character. It's not extremely bad (~40 MiB/s on a
> somewhat dated laptop, Core i7-2620M CPU), but I can see why there is a
> desire to have a fast path for single-byte strings. Replacing *p++ with
> mbrtowc for string decoding would probably need a UTF-8 path inside mbrtowc,
> or a different kind of interface to reduce the setup overhead.
We will need to call mbrtowc for both pattern and string, so it would be at
least
two call per iteration. I am not sure if real world user cases pay off this
optimization, some cases or early bailout (where there is no need to check for
all pattern and/or string) might be faster by converting character by
character.
I am also not sure how extensively multibyte patterns are used since there are
not exactly stardard-defined, so if it the case where multi-byte character
enconding is the most common, we can simplify the implementation to just use
the multi-byte version by always converting internally and adjusting the use of
expected internal collation tables (it might require some adjustments of the
findidx code).
However the main issue imho is the total memory usage (without considering the
GNU extensions), which I tend to prefer to handle internally character by
character instead of converting the full pattern/string altogether.
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>From glibc-bugs-return-43007-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 18 03:40:28 2018
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From: "johnpaul825 at yahoo dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23483] Dying Light SegFault at Libc.so.6
Date: Sat, 18 Aug 2018 03:40:00 -0000
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--- Comment #3 from John <johnpaul825 at yahoo dot com> ---
You can Replicate this issue using AMD Graphics cards. It works with Nvidia
Graphics Cards No problem.
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23483] Dying Light SegFault at Libc.so.6
Date: Sat, 18 Aug 2018 10:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23483
--- Comment #4 from Andreas Schwab <schwab@linux-m68k.org> ---
You should report that to the maintainers of the software, since the crash is
clearly in their library.
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>From glibc-bugs-return-43009-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 18 17:03:12 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Sat, 18 Aug 2018 17:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22479
--- Comment #7 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
By the way, not to be mean or anything, but to me it seems that David asked
some reasonably simple questions and projected a willingness to make further
contributions. If I were him then I wouldn't interpret almost a year of silence
as "it's mostly up to David to drive his use case further, and get involved in
fixing it". I would interpret that silence as "project leadership isn't willing
to delegate simple tasks to interested volunteers".
Regarding this bug in particular, I'm not familiar with the code but I don't
understand why nscd would be caching information about a local interface in the
first place, I thought the purpose of the facility was to avoid expensive DNS
lookups, not to avoid (inexpensive) system calls? What if the address assigned
to the local interface changes, does some kind of cache invalidation take
place? Maybe I'm misinterpreting the purpose of
"glibc/sysdeps/unix/sysv/linux/check_pf.c", whose sole documentation consists
of the sentence "Determine protocol families for which interfaces exist.".
Also, I noticed that this bug doesn't appear on Google, is that intentional? I
think collaboration would be easier if search engines were allowed to index the
bugs in your software.
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>From glibc-bugs-return-43010-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 18 21:47:00 2018
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From: "frederik-sourceware at ofb dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23546] New: nscd breaks ssh intermittently due to IPv6 issue on DHCP home network
Date: Sat, 18 Aug 2018 21:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23546
Bug ID: 23546
Summary: nscd breaks ssh intermittently due to IPv6 issue on
DHCP home network
Product: glibc
Version: 2.25
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I noticed recently that if I start nscd, then 'ssh' fails intermittently. The
failure is related to 'ssh' getting a link-local IPv6 address with no specified
interface when it tries to resolve a host.
The details are here:
https://superuser.com/questions/1349197/nscd-on-ipv6-dhcp-with-link-local-addresses-causes-ssh-connect-to-host-myserve
I tried to narrow it down to a specific glibc version but was not able to. I
have two machines which exhibit the problem, one is running glibc 2.25 and the
other 2.28.
Also I have a third machine which doesn't exhibit the problem on 2.24, and I
upgraded its glibc package to 2.28 and still could not reproduce the problem
(but I have not been able to do a full system upgrade on that machine). It is a
32-bit machine while the others are 64-bits. So it could be a 32-bit issue, or
it could be an issue with another package interacting with glibc in some way,
or it could be something else that I haven't taken into account.
I'm not sure why I didn't experience this before, it appears that nscd is
disabled on all my systems, which are running Arch Linux. I upgraded recently
and must have enabled it while debugging another problem, because when I
downgraded I found that nscd still causes problems with ssh.
I have a Linksys router which has a DHCP server and a DNS server, and it allows
the hosts on my local network to choose their own hostnames, this happens
automatically.
I think my configurations and my network are pretty standard, so if you can
find someone (someone who is using Arch? someone with a Linksys router?), then
reproducing this bug should be a matter of getting them to enable nscd and
running something like this:
H=somehost; while =ssh -F /dev/null $H date; do sleep 1; done; echo "ssh
failed"; date;
The loop should eventually stop with an error, and then you can use the
timestamps to try to correlate it to some event in the logs or whatever. I've
never seen it take more than a few minutes to encounter the error.
I thought this might be related to the following bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=22479
but on reflection it seems unlikely, since the interfaces I'm working with have
the same address for the duration of the experiment, while David Faure's bug
has to do with interfaces receiving an IPv4 address sometime after an
application starts. David did a lot more debugging than I did. Sorry but
unfortunately I don't have time to pursue this in such depth. Although I am
happy to answer questions or run code that people send me.
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>From glibc-bugs-return-43011-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Aug 18 21:48:47 2018
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Subject: [Bug nscd/23546] nscd breaks ssh intermittently due to IPv6 issue on DHCP home network
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Frederick Eaton <frederik-sourceware at ofb dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
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>From glibc-bugs-return-43012-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Aug 19 18:32:44 2018
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
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https://sourceware.org/bugzilla/show_bug.cgi?id=23125
--- Comment #4 from Aurelien Jarno <aurelien at aurel32 dot net> ---
I have tried to write a patch for this bug, but it doesn't cope well with the
test infrastructure. To trigger the bug, the test has to trigger an unwind
(either calling _Unwind_Backtrace from libgcc1 or triggering a C++ exception)
directly from main. As soon as the test infrastructure is used, the unwind is
not triggered from main and it's not possible to trigger the bug anymore.
Any idea how to do handle that?
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>From glibc-bugs-return-43013-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Aug 19 19:36:58 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
Date: Sun, 19 Aug 2018 19:36:00 -0000
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
I think it's okay not to use the test harness in such cases.
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>From glibc-bugs-return-43014-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Aug 19 20:33:28 2018
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
Date: Sun, 19 Aug 2018 20:33:00 -0000
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--- Comment #6 from Aurelien Jarno <aurelien at aurel32 dot net> ---
Thanks Florian. In that case, I guess the patch posted on the mailing list can
be committed as is.
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>From glibc-bugs-return-43015-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 20 01:04:08 2018
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Subject: =?UTF-8?B?W0J1ZyBucHRsLzIzNTQzXSB3aGVuIGxpbmtlZCB3aXRob3V0IC1scHRocmVh?= =?UTF-8?B?ZO+8jCBzZW1fdGltZWR3YWl0IHdpbGwgYmUgZmFpbA==?Date: Mon, 20 Aug 2018 01:04:00 -0000
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--- Comment #2 from hehongjun <He.Hongjun at zte dot com.cn> ---
(In reply to Florian Weimer from comment #1)
> See bug 20489 comment 16. Objects need to be linked at the right library,
> or otherwise the symbol version information will be missing.
>
> *** This bug has been marked as a duplicate of bug 20489 ***
sometimes, we hope the DSO haveing no the symbol version, then it can run on
different environment.
I think the sem_timedwait need to fix.
the reason are:
1. the compatibility sem_init use old_sem structure;
2. the sem_timedwait use new_sem structure;
3. in
https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/nptl/internaltypes.h;h=7c0d2402a3a68eec0b9849e4b6b52287f65d3f54;hb=042e1521c794a945edc43b5bfa7e69ad70420524,
the new_sem have changed. Wait flag bit has be added to the value field.
so, the sem_timedwait needs compatibility version symbol useing old_sem
structure.
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>From glibc-bugs-return-43016-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 20 07:10:40 2018
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Subject: =?UTF-8?B?W0J1ZyBucHRsLzIzNTQzXSB3aGVuIGxpbmtlZCB3aXRob3V0IC1scHRocmVh?= =?UTF-8?B?ZO+8jCBzZW1fdGltZWR3YWl0IHdpbGwgYmUgZmFpbA==?Date: Mon, 20 Aug 2018 07:10:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Sorry, the DSO is simply broken. It is quite literally calling the wrong
function.
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>From glibc-bugs-return-43017-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 20 15:59:55 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Mon, 20 Aug 2018 15:59:00 -0000
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--- Comment #8 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
v6-only interfaces / networks certainly exist (with or without a NAT64
gateway doing DNS64 rewriting). So a patch that wouldn't work with
v6-only interfaces, as asserted in comment#1, wouldn't be suitable for
inclusion in glibc.
> Also, I noticed that this bug doesn't appear on Google, is that intentional? I
> think collaboration would be easier if search engines were allowed to index the
> bugs in your software.
I see nothing in robots.txt or any robots meta tags to exclude indexing of
either Bugzilla or the glibc-bugs list archives. You would have to ask
Google about why it's not included (or maybe someone on overseers has
access to or could set up Google Webmaster Tools for sourceware).
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>From glibc-bugs-return-43018-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 20 21:23:21 2018
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From: "faure at kde dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Mon, 20 Aug 2018 21:23:00 -0000
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--- Comment #9 from David Faure <faure at kde dot org> ---
I know my patch is a hack, I'm definitely not suggesting to include it in glibc
upstream, given that I still don't understand everything around this. Note
however that it wouldn't break ipv6 only networks, it would just make them skip
the cache in that code. But yeah, not ideal.
Thanks for finally answering *one* of my many questions... ok, ipv6-only can
happen. Good, what about the other questions?
Does *anyone* know what might lead to __nscd_get_nl_timestamp ever being a
value higher than 1? In my tests it's always 1, so the cache is never
invalidated.
If this indeed never happens, then surely you guys must agree that check_pf.c
caching "seen_ipv4 = false; seen_ipv6 = true;" forever is obviously wrong,
since ipv4 can come up slower...
Is nscd even guaranteed to run? If not, then nothing will ever invalidate that
cache, right?
Is there a description somewhere of how nscd, the kernel's NETLINK stuff, and
glibc interact with each other? This is further down the rabbit hole than I
ever looked myself before this bug...
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>From glibc-bugs-return-43019-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 21 00:02:18 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Tue, 21 Aug 2018 00:02:00 -0000
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--- Comment #10 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to David Faure from comment #9)
> I know my patch is a hack, I'm definitely not suggesting to include it in
> glibc upstream, given that I still don't understand everything around this.
> Note however that it wouldn't break ipv6 only networks, it would just make
> them skip the cache in that code. But yeah, not ideal.
>
> Thanks for finally answering *one* of my many questions... ok, ipv6-only can
> happen. Good, what about the other questions?
>
> Does *anyone* know what might lead to __nscd_get_nl_timestamp ever being a
> value higher than 1? In my tests it's always 1, so the cache is never
> invalidated.
>
> If this indeed never happens, then surely you guys must agree that
> check_pf.c caching "seen_ipv4 = false; seen_ipv6 = true;" forever is
> obviously wrong, since ipv4 can come up slower...
>
> Is nscd even guaranteed to run? If not, then nothing will ever invalidate
> that cache, right?
>
> Is there a description somewhere of how nscd, the kernel's NETLINK stuff,
> and glibc interact with each other? This is further down the rabbit hole
> than I ever looked myself before this bug...
The description is in the code. I know that's a lame answer, but that's it.
With DJ's recent test-in-container patches we're going to be able to start
running real nscd tests as part of the testsuite. Right now it's only ever
really tested by enterprise distribution testing.
I don't have any answers to your other questions. I generally jump head first
into the rabbit hole and start debugging.
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>From glibc-bugs-return-43020-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 21 02:01:01 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23484] Improve dynamic linker error message for Linux kernel version failures
Date: Tue, 21 Aug 2018 02:01:00 -0000
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #2)
> (In reply to Carlos O'Donell from comment #1)
> > I agree the message is confusing.
> >
> > It is my opinion that we should stop setting this in crt1.o and instead
> > allow individual interfaces to fail as they would depending on the version
> > of the kernel you are on.
>
> Is this the same thing? I think the kernel will ignore the ABI tag and we
> hit this instead:
>
> /* Now we can test with the required version. */
> \
> if (__LINUX_KERNEL_VERSION > 0 && version < __LINUX_KERNEL_VERSION)
> \
> /* Not sufficent. */
> \
> FATAL ("FATAL: kernel too old\n");
> \
>
> That's not too bad in my opinion.
>
> This bug is about the dynamic linker support for searching through multiple
> objects until one with a compatible ABI is found.
Sorry, let me give you a clearer answer.
There are two issue at hand.
(a) The error message.
(b) The use of .note.ABI-tag within crt1.o for encoding glibc's minimum kernel
version.
I agree that fixing (a) is needed.
Regarding (b), we we should remove it to avoid seeing the old error message
with old unfixed ld.so.
When running new binaries with old unfixed ld.so we have the following critical
checks:
(1) Checking that .note.ABI-tag to make sure we run on a new enough kernel.
(2) The dynamic loader's check to make sure it's on a new enough kernel
(minimum kernel hard coded).
(3) Checking .gnu.version_r to make sure the DSOs we linked against have the
required version (or just matching .gnu.version when some day we allow
versioned symbols to move between DSOs).
The error message for (1) is bad.
The error message for (2) is ok.
The error message for (3) is good.
We should remove glibc's use of .note.ABI-tag in crt1.o to avoid the bad error
message from ever triggering when a *new* DSO is used with an unfixed old
loader and old kernel, and in that case we'd get the error message for (3) (if
warranted)
Does that clarify my position?
Notes:
- If we do remove the .note.ABI-tag from crt1.o it would mean that any inline
functions / macros that use newer Linux kernel calls could not be guaranteed to
succeed and could fail when the new DSO or binary is run on an old loader + old
kernel, even if the basic symbol versions are a match. I think we would want a
mechanism by which the inlined function / macro adds it's own .note.ABI-tag to
indicate a hard requirement on the new kernel syscall (perhaps the function
can't fail), rather than the coarse grained approach of adding it to crt1.o.
- Eventually I would like to remove (1), (2), and (3) to make it a
finer-grained choice about which DSOs provide which symbols, and which kernel
features you need to run. We would still have a minimum kernel version, but
instead of causing ld.so to fail to start, we would start failing individual
functions that needed features provided by that kernel version.
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>From glibc-bugs-return-43021-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 21 03:34:17 2018
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Subject: [Bug nptl/23554] New: pthread_getattr_np reports wrong stack size with MULTI_PAGE_ALIASING
Date: Tue, 21 Aug 2018 03:34:00 -0000
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Bug ID: 23554
Summary: pthread_getattr_np reports wrong stack size with
MULTI_PAGE_ALIASING
Product: glibc
Version: unspecified
Status: NEW
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In the case of x86_64 and i686 we have MULTI_PAGE_ALIASING, and this causes the
reported stack size from pthread_getattr_np() to grow by a page.
The reported stack size should be that which the implementation expects to be
passed in a subsequent attribute during thread creation.
Much like we have a reported guard size (not the actual used guard size), we
should also have a reported stack size (not the actual used stack size).
It also seems to me that with an OS that has 64KiB pages, the current
MULTI_PAGE_ALIASING would *always* add a page, making the following sequence
unstable: pthread_create -> pthread_getattr_np -> pthread_create (with previous
attr) -> pthread_getattr_np ... etc. Resulting in an ever increasing reported
thread stack size.
To fix this:
* Add a reported_stackblock_size
* Set it in allocatestack.
* In pthread_getattr_np use reported_stackblock_size to set the reported
stacksize.
* Add a test that does the iterative pthread_create -> pthread_getattr_np
looking for an unstable value that grows with each iteration.
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Subject: [Bug math/23556] New: strfmon rounds incorrectly when characteristic value < 4095
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https://sourceware.org/bugzilla/show_bug.cgi?id=23556
Bug ID: 23556
Summary: strfmon rounds incorrectly when characteristic value <
4095
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: php.guus at gmail dot com
Target Milestone: ---
Hi there,
using PHP, I ran into a problem with money_format(), and checked the sources to
find that the problem may come from glibc.
I then proceeded to try and isolate the problem, which I succeeded with in a
smal PHP script.
I then reproduced the PHP script in C, and the problem is still there, using
glibc 2.27-30 on Fedora Core 28.
I haven't tried building and testing against the development HEAD of glibc, but
can if that's necessary to progress this bug report.
The source code that reproduces the error is:
===== START OF SOURCE =====
#include <monetary.h>
#include <stdio.h>
#include <stdlib.h>
int main() {
int i = 0;
double d = 0.97500;
for(i = 0; i < 4300; i++) {
double value = i + d;
char target[10];
strfmon(target, 9, "%^!.2n", value);
printf("strfmon formatted %f: %s\n", value, target);
}
return EXIT_SUCCESS;
}
===== END OF SOURCE =====
Interestingly, the cut-off happens at 4096, at and after which the mantissa
0.97500 is rounded up to 0.98, however before that, the mantissa is rounded
down to 0.97.
Best regards,
Guus
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>From glibc-bugs-return-43023-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 21 07:52:33 2018
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From: "mtk.manpages at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug manual/23449] WCOREDUMP can be set without a coredump
Date: Tue, 21 Aug 2018 07:52:00 -0000
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--- Comment #2 from Michael Kerrisk <mtk.manpages at gmail dot com> ---
(In reply to Eric Blake from comment #1)
> In fact, the wording
> should mention that this condition is set even if a core dump was not
> produced at all (such as setrlimit() setting RLIMIT_CORE to 0, or the
> current working directory being read-only when the kernel is configured to
> dump in-directory, or ...).
I think this is not correct. If one sets RLIMIT_CORE to 0, and, as a result, no
core dump is produced, then WCOREDUMP() on the status value obtained by
waitpid() etc. does *not* return true.
There are also various other reasons listed in the core(5) manual page that may
cause a core dump not to be produced. I tested one or two other cases (e.g.,
coredump denied because current directory is read-only), and again, WCOREDUMP()
does not return true.
I assume Florian's main point here is that the /proc/sys/kernel/core_pattern
pipe technique means that a core dump may be produced ()WCOREDUMP() tests
true), but produced / consumed in a way that means it does not land in the
traditionally expected location. In particular, recent-ish systemd(1) uses this
technique, with some of the details being described in core(5) [1].
[1] http://man7.org/linux/man-pages/man5/core.5.html
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Subject: [Bug math/23556] strfmon rounds incorrectly when characteristic value < 4095
Date: Tue, 21 Aug 2018 08:30:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
All values are correctly rounded. That's how floating point works, when using
a decimal number that cannot be represented exactly. The difference happens
between rounding 0x1.ffff333333333000p+11 and 0x1.000f99999999a000p+12.
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29.
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via c7627f41baaeb7f1a7b73ff66ef48eaafc1990f6 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c7627f41baaeb7f1a7b73ff66ef48eaafc1990f6
commit c7627f41baaeb7f1a7b73ff66ef48eaafc1990f6
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 21 11:43:35 2018 +0200
Makeconfig: Do not sort and deduplicate +cflags [BZ # 17248]
The original intent behind this is unclear. It interferes with flags
that has to be ordered in a particular way.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
Makeconfig | 3 ---
2 files changed, 5 insertions(+), 3 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Is there any evidence that currently used CPUs still benefit from page coloring
across multiple pages?
Can we remove MULTI_PAGE_ALIASING instead?
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
We do not have enough information to reproduce this.
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hjl.tools at gmail dot com
Flags| |review?(hjl.tools at gmail dot com
| |)
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Adding HJ to the review/CC. He would be best placed to answer this question.
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--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
We will investigate.
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>From glibc-bugs-return-43031-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 22 14:13:33 2018
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From: "malakhov at mcst dot ru" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23562] New: Wrong type for si_band in Linux-specific siginfo_t
Date: Wed, 22 Aug 2018 14:13:00 -0000
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Bug ID: 23562
Summary: Wrong type for si_band in Linux-specific siginfo_t
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: malakhov at mcst dot ru
CC: drepper.fsp at gmail dot com, zackw at panix dot com
Target Milestone: ---
Hi.
There has been a bug in the definition of siginfo_t since
. . .
commit a992f506ff7162da2afa5a6151cc6f15949ceef4
Author: Zack Weinberg <zackw@panix.com>
CommitDate: Sat May 20 19:04:43 2017 -0400
Remove __need macros from signal.h.
. . .
resulting in wrong si_band and si_fd values when handling SIGIO on sparc-linux
in 64-bit mode. It can obviously be fixed by the following patch
diff --git a/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
b/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
index 33766d1813..43c4e009a4 100644
--- a/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
+++ b/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
@@ -107,7 +107,7 @@ typedef struct
/* SIGPOLL. */
struct
{
- long int si_band; /* Band event for SIGPOLL. */
+ __SI_BAND_TYPE si_band; /* Band event for SIGPOLL. */
int si_fd;
} _sigpoll;
taking into account that
$ cat sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
. . .
#ifndef __SI_BAND_TYPE
# define __SI_BAND_TYPE long int
#endif
. . .
$ cat sysdeps/unix/sysv/linux/sparc/bits/siginfo-arch.h
. . .
#define __SI_BAND_TYPE int
. . .
The bug affects glibc-2.2{6,7,8}.
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>From glibc-bugs-return-43032-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 22 16:50:31 2018
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From: "frederik at ofb dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Wed, 22 Aug 2018 16:50:00 -0000
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--- Comment #11 from frederik at ofb dot net ---
I'm still confused about what is being cached and why. Isn't this all
data that lives in some device driver in the kernel? So why does it
need to be cached?
Looks like Mr. Ulrich Drepper did a lot of the work, is he still
around?
https://sourceware.org/git/?p=glibc.git;a=blame;f=sysdeps/unix/sysv/linux/check_pf.c;h=04cd104aec5b6b39d22bfd0fa14336803189e212;hb=HEAD
https://sourceware.org/git/?p=glibc.git;a=commit;f=sysdeps/unix/sysv/linux/check_pf.c;h=3a2c02424d9824f5cdea4ebd32ff929b2b1f49c6
Here's part of his commit message: "Whenever getaddrinfo needed
network interface information it used the netlink interface to read
the information every single time. The problem is that this
information can change at any time."
I'm confused by this, why is it a problem for programs to have the
latest version of the interface information from the kernel? Isn't
that what they want? Especially if it can "change at any time"?
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Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Wed, 22 Aug 2018 17:04:00 -0000
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
The caching is pretty much required because systems can have many, many network
interfaces, and enumerating all of them can be very slow. This is especially
true today on container hosts, but it could also happen with web server
IP-based virtual hosting in the past. With a different kernel interface, the
caching would not be needed.
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>From glibc-bugs-return-43034-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 22 19:10:41 2018
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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Torvald Riegel <triegel at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |triegel at redhat dot com
--- Comment #1 from Torvald Riegel <triegel at redhat dot com> ---
Good analysis, thank you. Your patch is the right fix. I would expand the
comment above the fetch_or with something like this:
Update r to include the set wake-request flag so that the upcoming futex_wait
only blocks if the flag is still set (otherwise, we'd violate the basic
client-side futex protocol).
Please let us know the results of testing with this fix.
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>From glibc-bugs-return-43035-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 22 20:57:05 2018
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Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Wed, 22 Aug 2018 20:57:00 -0000
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--- Comment #13 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
I see, thanks Florian... so the kernel requires applications to enumerate all
interfaces at once, when they just might be curious about one?
How long does this enumeration take, milliseconds? Microseconds?
Maybe we can have some kind of cache expiration (which works - what I'm getting
from David is that whatever is there now doesn't work) so that interface
changes are only delayed by a half second or so, before becoming visible to
applications which use nscd?
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>From glibc-bugs-return-43036-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 23 23:48:47 2018
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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Martin Kuchta <martin.kuchta at netapp dot com> changed:
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----------------------------------------------------------------------------
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is obsolete| |
--- Comment #2 from Martin Kuchta <martin.kuchta at netapp dot com> ---
Created attachment 11207
--> https://sourceware.org/bugzilla/attachment.cgi?id=11207&action=edit
Proposed patch (with extended comment)
Thank you for taking the time to confirm my analysis, Torvald. I've updated the
patch with the extended comment as you suggested.
We've been running tests with the patch for a week now, and the problem seems
to have gone away entirely. ~48 hours was the longest it ever took to see it
before.
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Subject: [Bug stdio/20938] In variable-width charsets, _IO_wfile_sync passes a negative buffer size to __codecvt_do_length on certain inputs to fgetws resulting in SIGSEGV
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cat stevens <catqueen2 at protonmail dot ch> changed:
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-08-24
Ever confirmed|0 |1
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Great. I posted the patch to the mailing list:
https://sourceware.org/ml/libc-alpha/2018-08/msg00513.html
I had to add a commit subject line and changelog entry, but the actual patch is
unchanged.
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>From glibc-bugs-return-43039-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 24 13:47:49 2018
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Subject: [Bug libc/23569] New: FAQ mentions deprecated -mcpu= , should probably be -marchDate: Fri, 24 Aug 2018 13:47:00 -0000
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Bug ID: 23569
Summary: FAQ mentions deprecated -mcpu= , should probably be
-march=
Product: glibc
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The gblic FAQ page here:
https://sourceware.org/glibc/wiki/FAQ
states:
And you need to tell gcc to only generate i586 code, just add `-mcpu=i586'
(just -m586 doesn't work) to your CFLAGS.
However, GCC's manual states:
-mcpu=cpu-type
A deprecated synonym for ‘-mtune’.
In any case, -mtune is probably not what the FAQ page really wants to say. The
right flag is probably -march .
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Subject: [Bug libc/23400] stdlib/test-bz22786.c creates temporary files in glibc source tree
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #1 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed on trunk:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=6c3a8a9d868a8deddf0d6dcc785b6d120de90523
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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Assignee|unassigned at sourceware dot org |ppluzhnikov at google dot com
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>From glibc-bugs-return-43043-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 27 07:07:38 2018
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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Aurelien Jarno <aurelien at aurel32 dot net> changed:
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--- Comment #4 from Aurelien Jarno <aurelien at aurel32 dot net> ---
This looks very similar to bz#21422. Could it be the same bug?
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>From glibc-bugs-return-43044-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 27 07:32:33 2018
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Aurelien Jarno from comment #4)
> This looks very similar to bz#21422. Could it be the same bug?
I don't think so. There will be other cases where indefinite blocking occurs
if processes using a process-shared condition variable are terminated.
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>From glibc-bugs-return-43045-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 27 10:20:48 2018
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Subject: [Bug localedata/17426] en_IN: set date format
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--- Comment #7 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I posted the patch here:
https://sourceware.org/ml/libc-alpha/2018-08/msg00514.html
but now after a little more research I think it needs further work. Most of
the locales of India have the same d_fmt value, not just en_IN:
$ grep d_fmt localedata/locales/*_IN
localedata/locales/anp_IN:d_fmt "%A %d %b %Y"
localedata/locales/ar_IN:d_fmt "%A %d %B %Y"
localedata/locales/as_IN:d_fmt "%e-%m-%Y"
localedata/locales/bhb_IN:d_fmt "%A %d %b %Y"
localedata/locales/bho_IN:d_fmt "%A %d %b %Y"
localedata/locales/bn_IN:d_fmt "%A %d %b %Y"
localedata/locales/brx_IN:d_fmt "%A %d %b %Y"
localedata/locales/doi_IN:d_fmt "%A %d %b %Y"
localedata/locales/en_IN:d_fmt "%d//%m//%y"
localedata/locales/gu_IN:d_fmt "%A %d %b %Y"
localedata/locales/hi_IN:d_fmt "%A %d %b %Y"
localedata/locales/hne_IN:d_fmt "%A %d %b %Y"
localedata/locales/kn_IN:d_fmt "%A %d %b %Y"
localedata/locales/kok_IN:d_fmt "%A %d %b %Y"
localedata/locales/ks_IN:d_fmt "%A %d %b %Y"
localedata/locales/mag_IN:d_fmt "%A %d %b %Y"
localedata/locales/mai_IN:d_fmt "%A %d %b %Y"
localedata/locales/mjw_IN:d_fmt "%A %d %B %Y"
localedata/locales/ml_IN:d_fmt "%A %d %B %Y"
localedata/locales/mni_IN:d_fmt "%A %d %b %Y"
localedata/locales/mr_IN:d_fmt "%A %d %b %Y"
localedata/locales/or_IN:d_fmt "%Od-%Om-%Oy"
localedata/locales/pa_IN:d_fmt "%A %d %b %Y"
localedata/locales/raj_IN:d_fmt "%A %d %b %Y"
localedata/locales/sa_IN:d_fmt "%A %d %b %Y"
localedata/locales/sat_IN:d_fmt "%A %d %b %Y"
localedata/locales/sd_IN:d_fmt "%A %d %b %Y"
localedata/locales/ta_IN:d_fmt "%A %d %B %Y"
localedata/locales/tcy_IN:d_fmt "%A %d %b %Y"
localedata/locales/te_IN:d_fmt "%B %d %A %Y"
localedata/locales/ur_IN:d_fmt "%A %d %b %Y"
while CLDR provides "d/M/yy" for most of them (this should translate to
"%-d/%-m/%y") but "dd/MM/yy" for en_IN (this should translate to "%d/%m/%y").
I think I should get this date format from CLDR for the locales supported by
CLDR and copy the same values to the locales which are not supported by CLDR.
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From: "r at hev dot cc" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23576] New: pthread_cond_signal/broadcast failed to wake up pthread_cond_wait
Date: Mon, 27 Aug 2018 14:16:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23576
Bug ID: 23576
Summary: pthread_cond_signal/broadcast failed to wake up
pthread_cond_wait
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: r at hev dot cc
CC: drepper.fsp at gmail dot com
Target Milestone: ---
The pthread_cond_signal/broadcast may be failed to wake up pthread_cond_wait. I
think this is because futex wake may be failed on sometimes (I'm sure it) and
pthread_cond_signal/broadcast doesn't check the results of futex_wake, even if
futex_wake fails, it still return 0.
https://sourceware.org/git/?p=glibc.git;a=blob;f=nptl/pthread_cond_signal.c;h=3db3d1fbeb165ea4c6804bee3bb15ec195e2d266;hb=HEAD#l94
https://sourceware.org/git/?p=glibc.git;a=blob;f=nptl/pthread_cond_broadcast.c;h=e6bcb9b61b0055a57da1a979713a82094d7ebc36;hb=HEAD#l86
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Subject: [Bug nptl/23576] pthread_cond_signal/broadcast failed to wake up pthread_cond_wait
Date: Mon, 27 Aug 2018 15:18:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-08-27
CC| |fweimer at redhat dot com
Ever confirmed|0 |1
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Would you please check if the patch for bug 23538 fixes your issue as well?
Thanks.
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 17:03:35 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
nptl/pthread_cond_common.c | 8 ++++++--
2 files changed, 14 insertions(+), 2 deletions(-)
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
Date: Mon, 27 Aug 2018 15:29:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29.
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
-----------------------------------------------------------------------
Summary of changes:
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nptl/pthread_cond_common.c | 8 ++++++--
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Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
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nptl/pthread_cond_common.c | 8 ++++++--
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Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
-----------------------------------------------------------------------
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nptl/pthread_cond_common.c | 8 ++++++--
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Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
Date: Mon, 27 Aug 2018 17:25:00 -0000
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commit 1324858a3fd3d0291f9dec45f771881ba7209150
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 1 +
nptl/pthread_cond_common.c | 8 ++++++--
3 files changed, 15 insertions(+), 2 deletions(-)
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>From glibc-bugs-return-43054-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 27 18:12:52 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23400] stdlib/test-bz22786.c creates temporary files in glibc source tree
Date: Mon, 27 Aug 2018 18:12:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-43055-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 27 21:39:49 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23133] Lithuanian sorting: "y" variants should be between i and j, not between x and z
Date: Mon, 27 Aug 2018 21:39:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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| |com
--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
This is exactly how it works for me (Fedora 28, glibc 2.27). There were some
changes introduced in the glibc 2.27 development cycle, I guess that older
versions may have this bug.
You mention that you had discovered this bug in 2.22. Are you able to upgrade
your system and confirm that it works correctly? Do you want us to backport
the bugfix to all versions from 2.22 to 2.26? I'm afraid this may be difficult
or impossible.
See also: bug 22524.
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>From glibc-bugs-return-43056-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Aug 27 22:26:07 2018
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Subject: [Bug localedata/17426] en_IN: set date format
Date: Mon, 27 Aug 2018 22:26:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5abedf97a3d396798cb48a3bf86f322d71955ad9
commit 5abedf97a3d396798cb48a3bf86f322d71955ad9
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Fri Aug 24 12:06:05 2018 +0200
en_IN: Set the correct date format for "%x" (bug 17426).
[BZ #17426]
* localedata/locales/en_IN (d_fmt): Use "%d/%m/%y".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
localedata/locales/en_IN | 4 ++--
2 files changed, 7 insertions(+), 2 deletions(-)
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>From glibc-bugs-return-43057-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 10:54:38 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23578] New: Invalid memory access if pattern contains NUL byte
Date: Tue, 28 Aug 2018 10:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23578
Bug ID: 23578
Summary: Invalid memory access if pattern contains NUL byte
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P3
Component: regex
Assignee: fweimer at redhat dot com
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Flags: security-
This commit fixes a bug in glibc as well:
commit bc680b336971305cb39896b30d72dc7101b62242
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat Aug 25 20:34:34 2018 -0700
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
It is reproducible with calling re_compile_pattern with a NUL byte preceded by
a backslash, followed by an unmapped page. I have a test case and will submit
it.
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>From glibc-bugs-return-43058-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 10:55:16 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23578] Invalid memory access if regex pattern contains NUL byte
Date: Tue, 28 Aug 2018 10:55:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
Summary|Invalid memory access if |Invalid memory access if
|pattern contains NUL byte |regex pattern contains NUL
| |byte
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Already fixed for 2.29. Needs backporting to 2.28.
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>From glibc-bugs-return-43059-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 10:56:44 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23578] Invalid memory access if regex pattern contains NUL byte
Date: Tue, 28 Aug 2018 10:56:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
I flagged this as security- because it only affects the regular expression
compiler, not executing valid regular expressions.
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>From glibc-bugs-return-43060-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 11:39:38 2018
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Subject: [Bug nscd/23520] nscd: Use-after-free in addgetnetgrentX and its callers
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 745664bd798ec8fd50438605948eea594179fba1
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 13:19:27 2018 +0200
nscd: Fix use-after-free in addgetnetgrentX [BZ #23520]
addinnetgrX may use the heap-allocated buffer, so free the buffer
in this function.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
nscd/netgroupcache.c | 42 +++++++++++++++++++++++++++++-------------
2 files changed, 41 insertions(+), 13 deletions(-)
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>From glibc-bugs-return-43061-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 11:41:42 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23520] nscd: Use-after-free in addgetnetgrentX and its callers
Date: Tue, 28 Aug 2018 11:41:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29.
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>From glibc-bugs-return-43062-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 12:36:58 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Tue, 28 Aug 2018 12:36:00 -0000
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--- Comment #14 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Frederick Eaton from comment #13)
> I see, thanks Florian... so the kernel requires applications to enumerate
> all interfaces at once, when they just might be curious about one?
>
> How long does this enumeration take, milliseconds? Microseconds?
With many interfaces and frequent changes leading to partial/aborted dumps,
hundreds of milliseconds are possible. This could happen during system
startup, for example.
Cache experiation is difficult. We could the kernel folks to update a counter
whenever the interface configuration changes, but such changes could be rather
frequent if this includes changes in adjacency information.
I want to add an option to /etc/gai.conf which tells getaddrinfo to use a
routing lookup in AI_ADDRCONFIG mode and include the address only if the kernel
knows how to route the address. It's not quite what AI_ADDRCONFIG means today,
hence the need for configuration, but I think this has approach would have
other benefits besides solving the caching issue.
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>From glibc-bugs-return-43063-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Aug 28 14:54:10 2018
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From: "stephen.dolan at cl dot cam.ac.uk" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] New: Errors misreported in preadv2
Date: Tue, 28 Aug 2018 14:54:00 -0000
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Bug ID: 23579
Summary: Errors misreported in preadv2
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
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glibc's wrapper for Linux's preadv2 syscall looks like this:
# ifdef __NR_preadv2
ssize_t result = SYSCALL_CANCEL (preadv2, fd, vector, count,
LO_HI_LONG (offset), flags);
if (result >= 0)
return result;
# endif
// emulated version of preadv2 using readv/preadv follows
Unfortunately, the emulated fallback is executed whenever preadv2 fails, even
on kernels that support preadv2. The emulation starts with:
if (flags != 0)
{
__set_errno (ENOTSUP);
return -1;
}
which means that when flags != 0, any errors that preadv2 produces are
misreported as ENOTSUP. (This is particularly annoying for the new RWF_NOWAIT
flag, where you really want to check whether errno == EAGAIN afterwards).
Here's a simple reproduction case:
#define _GNU_SOURCE
#include <stdio.h>
#include <sys/uio.h>
int main() {
char buf[256];
struct iovec iov = { .iov_base = buf, .iov_len = sizeof buf };
preadv2(4000, &iov, 1, -1, RWF_HIPRI);
perror("preadv2");
}
It should print "preadv2: Bad file descriptor" but instead prints "preadv2:
Operation not supported".
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Subject: [Bug regex/23578] Invalid memory access if regex pattern contains NUL byte
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commit 761404b74d9853ce1608195e24f25b78a910591a
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++
posix/Makefile | 3 +-
posix/tst-regcomp-truncated.c | 191 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 201 insertions(+), 1 deletions(-)
create mode 100644 posix/tst-regcomp-truncated.c
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Tue, 28 Aug 2018 20:06:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
It seems we need to call the emulated path only if errno is ENOSYS. I will take
care of it.
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Subject: [Bug regex/23578] Invalid memory access if regex pattern contains NUL byte
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commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 +++++
NEWS | 1 +
posix/Makefile | 3 +-
posix/regex_internal.c | 4 +-
posix/tst-regcomp-truncated.c | 191 +++++++++++++++++++++++++++++++++++++++++
5 files changed, 218 insertions(+), 3 deletions(-)
create mode 100644 posix/tst-regcomp-truncated.c
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Subject: [Bug nscd/23546] nscd breaks ssh intermittently due to IPv6 issue on DHCP home network
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--- Comment #1 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
I found out that this is related to systemd-resolved and LLNR, see my answer to
the superuser.com question. Disabling systemd-resolved is another way to fix
the problem. The bug still deserves some investigation in my opinion, as many
people have systemd-resolved enabled.
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>From glibc-bugs-return-43068-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 29 06:57:11 2018
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From: "frederik-sourceware at ofb dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] getaddrinfo: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process
Date: Wed, 29 Aug 2018 06:57:00 -0000
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--- Comment #15 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
Thank you Florian. This is getting a bit over my head but maybe others
understand it better.
After checking getaddrinfo(3), I vaguely understand your AI_ADDRCONFIG
suggestion, and maybe it even sounds like what you are suggesting would be an
improvement in the current semantics of the flag, by generalizing them in the
spirit of the original intent. I don't understand how it is relevant to this
bug.
I don't understand the comment about a counter. Again, if changes are frequent
then I would think that caching is a bad idea.
I don't see why cache expiration should be difficult. If enumerating the
interfaces takes 100ms on certain specialized virtual-hosting systems, then we
cache the result for 10 seconds before asking the kernel to enumerate them
again. This would slow things down by at most 1%. For the typical system with a
small number of interfaces, where enumerating them may take microseconds, we
could cache the result for a shorter period like 100 ms. This would seem to
eliminate David's problem. The cache expiration timeout would be configurable
through whatever configuration files are used by nscd.
If people complain about a 1% slow-down, we can ask them to create a more
efficient kernel interface, or we can suggest they configure the cache expiry
timeout to a larger value or infinity for their systems.
Please let me know if I'm misunderstanding something.
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From: "geoff at cs dot hmc.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23582] New: LC_ALL handling violates POSIX specification
Date: Wed, 29 Aug 2018 07:04:00 -0000
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Bug ID: 23582
Summary: LC_ALL handling violates POSIX specification
Product: glibc
Version: 2.22
Status: UNCONFIRMED
Severity: normal
Priority: P1
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: geoff at cs dot hmc.edu
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The GNU C library breaks if LC_ALL is unset. This behavior violates the POSIX
specification, which (in essence) says that if LC_ALL is set it overrides
everything else, but if LC_ALL is unset then the appropriate LC_xxx setting
should be obeyed.
The precise POSIX language is found here:
http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html#tag_08
In particular, the following section of the specification is relevant:
===
The values of locale categories shall be determined by a precedence order; the
first condition met below determines the value:
If the LC_ALL environment variable is defined and is not null, the value of
LC_ALL shall be used.
If the LC_* environment variable ( LC_COLLATE , LC_CTYPE , LC_MESSAGES ,
LC_MONETARY , LC_NUMERIC , LC_TIME ) is defined and is not null, the value of
the environment variable shall be used to initialize the category that
corresponds to the environment variable.
If the LANG environment variable is defined and is not null, the value of
the LANG environment variable shall be used.
If the LANG environment variable is not set or is set to the empty string,
the implementation-defined default locale shall be used.
===
Here's an example of misbehavior. Although the error message is
induced here by running manpath, similar messages and related failures
come from a wide variety of programs, including perl (in some
invocations), man, xterm, and many others.
$ env | egrep 'LC_|LOCALE|LANG'
LC_PAPER=Letter
LC_ADDRESS=en_US.utf-8
LC_MONETARY=en_US.utf-8
LC_NUMERIC=en_US.utf-8
LC_TELEPHONE=en_US.utf-8
LC_MESSAGES=en_US.utf-8
LOCALE=en_US.utf-8
LC_COLLATE=C
LC_IDENTIFICATION=en_US.utf-8
LANG=en_US.utf-8
LC_MEASUREMENT=en_US.utf-8
XTERM_LOCALE=C
LANGUAGE=en_US.utf-8
LC_CTYPE=en_US.utf-8
LC_TIME=en_US.utf-8
LC_NAME=en_US.utf-8
$ manpath
manpath: can't set the locale; make sure $LC_* and $LANG are correct
manpath: warning: $MANPATH set, ignoring /etc/manpath.config
/home/geoff/man:/usr/local/man:/usr/local/share/man:/usr/man:/usr/share/man:/opt/gnome/share/man:/opt/kde3/share/man
Note in the above that LC_ALL is deliberately unset so that LC_COLLATE
can be sent to a sensible value. Setting LC_ALL suppresses the
library error message but has the unacceptable side effect of also
deactivating the chosen LC_COLLATE setting:
$ LC_ALL=$LANG manpath
manpath: warning: $MANPATH set, ignoring /etc/manpath.config
/home/geoff/man:/usr/local/man:/usr/local/share/man:/usr/man:/usr/share/man:/opt/gnome/share/man:/opt/kde3/share/man
$ echo 'a
> B
> b' | sort
B
a
b
$ LC_ALL=$LANG echo 'a
B
b' | LC_ALL=$LANG sort
a
b
B
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Subject: [Bug locale/23582] LC_ALL handling violates POSIX specification
Date: Wed, 29 Aug 2018 08:12:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
There is no locale named Letter.
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Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
Date: Wed, 29 Aug 2018 13:04:00 -0000
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--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/bz20480 has been created
at 516ae423a269c0d40469ca9f6ecf3e3ea13f356b (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=516ae423a269c0d40469ca9f6ecf3e3ea13f356b
commit 516ae423a269c0d40469ca9f6ecf3e3ea13f356b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Aug 27 16:16:43 2018 -0300
Fix ifunc support with DT_TEXTREL segments (BZ#20480)
Currently, DT_TEXTREL is incompatible with IFUNC. When DT_TEXTREL or
DF_TEXTREL is seen, the dynamic linker calls __mprotect on the segments
with PROT_READ|PROT_WRITE before applying dynamic relocations. It leads
to segfault when performing IFUNC resolution (which requires PROT_EXEC
as well for the IFUNC resolver).
This patch makes it call __mprotect with extra PROT_WRITE bit, which
will keep the PROT_EXEC bit if exists, and thus fixes the segfault.
FreeBSD rtld libexec/rtld-elf/rtld.c (reloc_textrel_prot) does the same.
Adam J. Richte <adam_richter2004@yahoo.com>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Fangrui Song <maskray@google.com>
[BZ #20480]
* config.h.in (CAN_TEXTREL_IFUNC): New define.
* configure.ac: Add check if linker supports textrel relocation with
ifunc.
* elf/dl-reloc.c (_dl_relocate_object): Use all required flags on
DT_TEXTREL segments, not only PROT_READ and PROT_WRITE.
* elf/Makefile (ifunc-pie-tests): Add tst-ifunc-textrel.
(CFLAGS-tst-ifunc-textrel.c): New rule.
* elf/tst-ifunc-textrel.c: New file.
-----------------------------------------------------------------------
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>From glibc-bugs-return-43072-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 29 15:40:46 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23546] Problems with nscd and systemd-resolved interactions on IPv6 network.
Date: Wed, 29 Aug 2018 15:40:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
Summary|nscd breaks ssh |Problems with nscd and
|intermittently due to IPv6 |systemd-resolved
|issue on DHCP home network |interactions on IPv6
| |network.
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Right, there are nscd <-> systemd-resolved interactions that we should review.
Thanks.
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23584] New: math/test-ildouble-fma, math/test-ldouble-fma test suite failures on ppc64le
Date: Wed, 29 Aug 2018 16:18:00 -0000
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Bug ID: 23584
Summary: math/test-ildouble-fma, math/test-ldouble-fma test
suite failures on ppc64le
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Target: ppc64le
Flags: security-
We see this failure:
=====FAIL: math/test-ildouble-fma.out=====
testing long double (inline functions)
Failure: Test: fma_downward (inf, inf, -max_value)
Result:
is: qNaN
should be: inf inf
Failure: Test: fma_downward (-inf, -inf, -max_value)
Result:
is: qNaN
should be: inf inf
Failure: Test: fma_upward (inf, -inf, max_value)
Result:
is: qNaN
should be: -inf -inf
Failure: Test: fma_upward (-inf, inf, max_value)
Result:
is: qNaN
should be: -inf -inf
Test suite completed:
1458 test cases plus 0 tests for exception flags and
0 tests for errno executed.
4 errors occurred.
=====FAIL: math/test-ldouble-fma.out=====
testing long double (without inline functions)
Failure: fma_downward (inf, inf, -max_value): Exception "Invalid operation" set
Failure: fma_downward (inf, inf, -max_value): Exception "Overflow" set
Failure: Test: fma_downward (inf, inf, -max_value)
Result:
is: qNaN
should be: inf inf
Failure: fma_downward (inf, -inf, -max_value): Exception "Overflow" set
Failure: fma_downward (-inf, inf, -max_value): Exception "Overflow" set
Failure: fma_downward (-inf, -inf, -max_value): Exception "Invalid operation"
set
Failure: fma_downward (-inf, -inf, -max_value): Exception "Overflow" set
Failure: Test: fma_downward (-inf, -inf, -max_value)
Result:
is: qNaN
should be: inf inf
Failure: fma_upward (inf, inf, max_value): Exception "Overflow" set
Failure: fma_upward (inf, -inf, max_value): Exception "Invalid operation" set
Failure: fma_upward (inf, -inf, max_value): Exception "Overflow" set
Failure: Test: fma_upward (inf, -inf, max_value)
Result:
is: qNaN
should be: -inf -inf
Failure: fma_upward (-inf, inf, max_value): Exception "Invalid operation" set
Failure: fma_upward (-inf, inf, max_value): Exception "Overflow" set
Failure: Test: fma_upward (-inf, inf, max_value)
Result:
is: qNaN
should be: -inf -inf
Failure: fma_upward (-inf, -inf, max_value): Exception "Overflow" set
Test suite completed:
1458 test cases plus 1454 tests for exception flags and
1454 tests for errno executed.
16 errors occurred.
glibc was compiled with:
gcc version 8.2.1 20180726 (Red Hat 8.2.1-1) (GCC)
After fesetround (3), I see this call:
Breakpoint 1, 0x00007ffff7e73718 in __fmal (x=inf, y=inf,
z=-1.79769313486231580793728971405301e+308)
at ../sysdeps/ieee754/ldbl-128ibm/s_fmal.c:128
the true branch of this if statement:
155 /* If x or y or z is Inf/NaN, or if x * y is zero, compute as x * y
156 + z. */
157 if (xexp == 0x7ff || yexp == 0x7ff || zexp == 0x7ff
158 || x == 0 || y == 0)
159 return (x * y) + z;
Which is implemented as:
=> 0x00007ffff7e739f0 <+736>: fmr f3,f28
0x00007ffff7e739f4 <+740>: fmr f4,f29
0x00007ffff7e739f8 <+744>: fmr f1,f12
0x00007ffff7e739fc <+748>: fmr f2,f13
0x00007ffff7e73a00 <+752>: bl 0x7ffff7ee4db8 <__gcc_qmul+8>
0x00007ffff7e73a04 <+756>: nop
0x00007ffff7e73a08 <+760>: fmr f3,f30
0x00007ffff7e73a0c <+764>: fmr f4,f31
0x00007ffff7e73a10 <+768>: bl 0x7ffff7ee4c98 <__gcc_qadd+8>
0x00007ffff7e73a14 <+772>: nop
0x00007ffff7e73a18 <+776>: fmr f31,f2
0x00007ffff7e73a1c <+780>: fmr f30,f1
0x00007ffff7e73a20 <+784>: ld r9,216(r1)
0x00007ffff7e73a24 <+788>: ld r10,-28688(r13)
0x00007ffff7e73a28 <+792>: xor. r9,r9,r10
0x00007ffff7e73a2c <+796>: li r10,0
0x00007ffff7e73a30 <+800>: fmr f1,f30
0x00007ffff7e73a34 <+804>: fmr f2,f31
Our __gcc_qmul looks like this (I think):
(gdb) disassemble 0x7ffff7ee4db8
Dump of assembler code for function __gcc_qmul:
0x00007ffff7ee4db0 <+0>: addis r2,r12,9
0x00007ffff7ee4db4 <+4>: addi r2,r2,10320
0x00007ffff7ee4db8 <+8>: fmul f0,f1,f3
0x00007ffff7ee4dbc <+12>: xxlxor vs12,vs12,vs12
0x00007ffff7ee4dc0 <+16>: fcmpu cr7,f0,f12
0x00007ffff7ee4dc4 <+20>: beq cr7,0x7ffff7ee4e10 <__gcc_qmul+96>
0x00007ffff7ee4dc8 <+24>: ld r9,-32520(r2)
0x00007ffff7ee4dcc <+28>: fabs f12,f0
0x00007ffff7ee4dd0 <+32>: lfd f10,0(r9)
0x00007ffff7ee4dd4 <+36>: fcmpu cr7,f12,f10
0x00007ffff7ee4dd8 <+40>: bge cr7,0x7ffff7ee4e10 <__gcc_qmul+96>
0x00007ffff7ee4ddc <+44>: fmul f2,f3,f2
0x00007ffff7ee4de0 <+48>: fmsub f3,f1,f3,f0
0x00007ffff7ee4de4 <+52>: fmadd f1,f1,f4,f2
0x00007ffff7ee4de8 <+56>: fadd f1,f1,f3
0x00007ffff7ee4dec <+60>: fadd f11,f0,f1
0x00007ffff7ee4df0 <+64>: fabs f12,f11
0x00007ffff7ee4df4 <+68>: fcmpu cr7,f12,f10
0x00007ffff7ee4df8 <+72>: bge cr7,0x7ffff7ee4e20 <__gcc_qmul+112>
0x00007ffff7ee4dfc <+76>: fsub f0,f0,f11
0x00007ffff7ee4e00 <+80>: fadd f0,f0,f1
0x00007ffff7ee4e04 <+84>: fmr f1,f11
0x00007ffff7ee4e08 <+88>: fmr f2,f0
0x00007ffff7ee4e0c <+92>: blr
0x00007ffff7ee4e10 <+96>: fmr f1,f0
0x00007ffff7ee4e14 <+100>: xxlxor vs2,vs2,vs2
0x00007ffff7ee4e18 <+104>: blr
0x00007ffff7ee4e1c <+108>: ori r2,r2,0
0x00007ffff7ee4e20 <+112>: fmr f1,f11
0x00007ffff7ee4e24 <+116>: xxlxor vs2,vs2,vs2
0x00007ffff7ee4e28 <+120>: blr
0x00007ffff7ee4e2c <+124>: .long 0x0
0x00007ffff7ee4e30 <+128>: .long 0x0
0x00007ffff7ee4e34 <+132>: .long 0x0
End of assembler dump.
__gcc_qadd is this:
(gdb) disassemble 0x7ffff7ee4c98
Dump of assembler code for function __gcc_qadd:
0x00007ffff7ee4c90 <+0>: addis r2,r12,9
0x00007ffff7ee4c94 <+4>: addi r2,r2,10608
0x00007ffff7ee4c98 <+8>: fadd f12,f1,f3
0x00007ffff7ee4c9c <+12>: ld r9,-32520(r2)
0x00007ffff7ee4ca0 <+16>: lfd f10,0(r9)
0x00007ffff7ee4ca4 <+20>: fabs f11,f12
0x00007ffff7ee4ca8 <+24>: fcmpu cr7,f11,f10
0x00007ffff7ee4cac <+28>: bge cr7,0x7ffff7ee4d10 <__gcc_qadd+128>
0x00007ffff7ee4cb0 <+32>: fsub f0,f1,f12
0x00007ffff7ee4cb4 <+36>: xxlxor vs11,vs11,vs11
0x00007ffff7ee4cb8 <+40>: fadd f9,f12,f0
0x00007ffff7ee4cbc <+44>: fadd f3,f3,f0
0x00007ffff7ee4cc0 <+48>: fsub f1,f1,f9
0x00007ffff7ee4cc4 <+52>: fadd f1,f1,f3
0x00007ffff7ee4cc8 <+56>: fadd f1,f1,f2
0x00007ffff7ee4ccc <+60>: fadd f4,f1,f4
0x00007ffff7ee4cd0 <+64>: fcmpu cr7,f4,f11
0x00007ffff7ee4cd4 <+68>: beq cr7,0x7ffff7ee4d00 <__gcc_qadd+112>
0x00007ffff7ee4cd8 <+72>: fadd f11,f12,f4
0x00007ffff7ee4cdc <+76>: fabs f0,f11
0x00007ffff7ee4ce0 <+80>: fcmpu cr7,f0,f10
0x00007ffff7ee4ce4 <+84>: bge cr7,0x7ffff7ee4d60 <__gcc_qadd+208>
0x00007ffff7ee4ce8 <+88>: fsub f1,f12,f11
0x00007ffff7ee4cec <+92>: fadd f4,f1,f4
0x00007ffff7ee4cf0 <+96>: fmr f1,f11
0x00007ffff7ee4cf4 <+100>: fmr f2,f4
0x00007ffff7ee4cf8 <+104>: blr
0x00007ffff7ee4cfc <+108>: ori r2,r2,0
0x00007ffff7ee4d00 <+112>: fmr f1,f12
0x00007ffff7ee4d04 <+116>: xxlxor vs2,vs2,vs2
0x00007ffff7ee4d08 <+120>: blr
0x00007ffff7ee4d0c <+124>: ori r2,r2,0
0x00007ffff7ee4d10 <+128>: ld r9,-32512(r2)
0x00007ffff7ee4d14 <+132>: lfd f0,0(r9)
0x00007ffff7ee4d18 <+136>: fcmpu cr7,f11,f0
0x00007ffff7ee4d1c <+140>: ble cr7,0x7ffff7ee4d00 <__gcc_qadd+112>
0x00007ffff7ee4d20 <+144>: fadd f4,f4,f2
0x00007ffff7ee4d24 <+148>: fadd f11,f4,f3
0x00007ffff7ee4d28 <+152>: fadd f11,f11,f1
0x00007ffff7ee4d2c <+156>: fabs f0,f11
0x00007ffff7ee4d30 <+160>: fcmpu cr7,f0,f10
0x00007ffff7ee4d34 <+164>: bge cr7,0x7ffff7ee4d60 <__gcc_qadd+208>
0x00007ffff7ee4d38 <+168>: fabs f0,f1
0x00007ffff7ee4d3c <+172>: fabs f12,f3
0x00007ffff7ee4d40 <+176>: fcmpu cr7,f0,f12
0x00007ffff7ee4d44 <+180>: ble cr7,0x7ffff7ee4d70 <__gcc_qadd+224>
0x00007ffff7ee4d48 <+184>: fsub f0,f1,f11
0x00007ffff7ee4d4c <+188>: fadd f1,f0,f3
0x00007ffff7ee4d50 <+192>: fadd f4,f1,f4
0x00007ffff7ee4d54 <+196>: b 0x7ffff7ee4cf0 <__gcc_qadd+96>
0x00007ffff7ee4d58 <+200>: nop
0x00007ffff7ee4d5c <+204>: ori r2,r2,0
0x00007ffff7ee4d60 <+208>: fmr f1,f11
0x00007ffff7ee4d64 <+212>: xxlxor vs2,vs2,vs2
0x00007ffff7ee4d68 <+216>: blr
0x00007ffff7ee4d6c <+220>: ori r2,r2,0
0x00007ffff7ee4d70 <+224>: fsub f3,f3,f11
0x00007ffff7ee4d74 <+228>: fadd f3,f3,f1
0x00007ffff7ee4d78 <+232>: fadd f4,f3,f4
0x00007ffff7ee4d7c <+236>: b 0x7ffff7ee4cf0 <__gcc_qadd+96>
0x00007ffff7ee4d80 <+240>: .long 0x0
0x00007ffff7ee4d84 <+244>: .long 0x0
0x00007ffff7ee4d88 <+248>: .long 0x0
End of assembler dump.
I'm not sure if this is a bug in the fmal code or the __gcc_qmul/__gcc_qadd
functions.
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Subject: [Bug math/23584] math/test-ildouble-fma, math/test-ldouble-fma test suite failures on ppc64le
Date: Wed, 29 Aug 2018 16:38:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
IBM long double only supports default rounding. Looks like there are some
XFAIL_ROUNDING_IBM128_LIBGCC missing.
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Subject: [Bug math/23584] math/test-ildouble-fma, math/test-ldouble-fma test suite failures on ppc64le
Date: Wed, 29 Aug 2018 16:40:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I didn't see any response to my review questions at
https://sourceware.org/ml/libc-alpha/2018-06/msg00375.html following
Tulio's patch.
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Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
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Fangrui Song <maskray at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |maskray at google dot com
--- Comment #14 from Fangrui Song <maskray at google dot com> ---
DT_TEXTREL + R_X86_64_IRELATIVE relocations in r-x segment are sufficient.
PIE or setuid is not a prerequisite.
The SIGSEGV is easier to reproduce with lld.
* ld.bfd and gold default to -z notext but emit DT_TEXTREL on demand
* lld defaults to -z text, and emit DT_TEXTREL unconditionally if -z notext is
passed
% cat a.c
void f_imp(void) {}
void (*resolve_f(void))(void) { return f_imp; }
void f(void) __attribute__((ifunc("resolve_f")));
int main(void) { f(); }
% clang -fuse-ld=lld -Wl,-z,notext a.c -o a; ./a
[1] 255838 segmentation fault ./a
You may use GCC on Debian or some of its derivatives. Their gcc has a local
patch to support -fuse-ld=lld
% gcc -fuse-ld=lld -Wl,-z,notext a.c -o a; ./a
[1] 259563 segmentation fault ./a
Adam's patch looks good to me. I sent out
https://sourceware.org/ml/libc-alpha/2018-08/msg00490.html unaware of this bug.
There might be some security policy to prohibit rwx segments on some systems
but systems that support this well should not see a silent SIGSEGV.
I have checked that the program runs fine on FreeBSD because its rtld
(libexec/rtld-elf/rtld.c:reloc_textrel_prot) does mprotect similar as these
patches.
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Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #15 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Fangrui Song from comment #14)
> DT_TEXTREL + R_X86_64_IRELATIVE relocations in r-x segment are sufficient.
> PIE or setuid is not a prerequisite.
>
> The SIGSEGV is easier to reproduce with lld.
>
> * ld.bfd and gold default to -z notext but emit DT_TEXTREL on demand
> * lld defaults to -z text, and emit DT_TEXTREL unconditionally if -z notext
> is passed
>
> % cat a.c
> void f_imp(void) {}
> void (*resolve_f(void))(void) { return f_imp; }
> void f(void) __attribute__((ifunc("resolve_f")));
> int main(void) { f(); }
>
> % clang -fuse-ld=lld -Wl,-z,notext a.c -o a; ./a
> [1] 255838 segmentation fault ./a
>
> You may use GCC on Debian or some of its derivatives. Their gcc has a local
> patch to support -fuse-ld=lld
>
> % gcc -fuse-ld=lld -Wl,-z,notext a.c -o a; ./a
> [1] 259563 segmentation fault ./a
>
>
> Adam's patch looks good to me. I sent out
> https://sourceware.org/ml/libc-alpha/2018-08/msg00490.html unaware of this
> bug. There might be some security policy to prohibit rwx segments on some
> systems but systems that support this well should not see a silent SIGSEGV.
>
> I have checked that the program runs fine on FreeBSD because its rtld
> (libexec/rtld-elf/rtld.c:reloc_textrel_prot) does mprotect similar as these
> patches.
I will replicate my comment [1] in libc-alpha since you moved the discussion
back to this thread.
The fix seems correct in imho, if we still aim to support textrel we should
honor the expected flags in the segment for relocation (which implies PROT_EXEC
in this case).
I would say the it is QoI lack of lld to emit DT_TEXTREL for -z notext
regardless
text relocation existence. However it is still possible to create text
relocation with ld.bfd and trigger the very issue. BZ#20480 has an example
with explicit set an object segment to .text for force it.
So I think we should add a testcase to stress it on architecture that supports
ifunc. With adds another issue: ld.bfd behaviour for ifunc plus text relocation
is inconsistent over releases and architecture. At least for powerpc, binutils
82e66161e (2.29+) reject linking binaries with 'text relocations and GNU
indirect functions will result in a segfault at runtime'. On others
architectures
I have tested (arm, aarch64, sparc, s390, x86) ld.bfd does not fail to link,
however powerpc sets the idea linker is free to reject such combination. It
would require a configure test to check if linker support such features to add
a test.
I have add a testcase for this fix, along with the configure check, on a
personal
branch [2]. I have also cleanup a little the current code (the PF_TO_PROT
micro-optimization really does not add much), and move the mprotect and check
before setting the pointers.
If you are ok with the change I can send upstream for review.
PS: as a side node, afaik *BSD does not support ifunc. They just add the
PROT_WRITE on defined segments (so they are not really susceptible to this
issue
since the segment does not really require PROT_EXEC).
[1] https://sourceware.org/ml/libc-alpha/2018-08/msg00591.html
[2]
https://sourceware.org/git/?p=glibc.git;a=shortlog;h=refs/heads/azanella/bz20480
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>From glibc-bugs-return-43078-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Aug 29 22:56:30 2018
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Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
Date: Wed, 29 Aug 2018 22:56:00 -0000
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--- Comment #16 from Fangrui Song <maskray at google dot com> ---
Thanks for doing all these!
https://sourceware.org/git/?p=glibc.git;a=commit;h=516ae423a269c0d40469ca9f6ecf3e3ea13f356b
looks good.
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Subject: [Bug time/23590] New: No clock_gettime() in time.h
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Bug ID: 23590
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Building OpenEmbedded Poky with armv7a-vfp-neon-oe-linux-gnueabi- toolchain.
Header time.h defines _POSIX_TIMERS, but neither the function clock_gettime()
nor the CLOCK_REALTIME define is present.
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Lee Daniel Crocker <lee at ansync dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |lee at ansync dot com
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Subject: [Bug malloc/23592] New: *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
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Bug ID: 23592
Summary: *** Error in `/tmp/a.out': corrupted double-linked
list: 0xb6500460 ***
Product: glibc
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*** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
Program received signal SIGABRT, Aborted.
0xb6e84880 in raise () from /lib/libc.so.6
(gdb) bt
#0 0xb6e84880 in raise () from /lib/libc.so.6
#1 0xb6e881a8 in abort () from /lib/libc.so.6
#2 0xb6ebbb70 in __libc_message () from /lib/libc.so.6
#3 0xb6ec5bfc in malloc_printerr () from /lib/libc.so.6
#4 0xb6ec75d0 in _int_free () from /lib/libc.so.6
#5 0x00008aa8 in main ()
both ARM and x86_64 will report error!
the program is very simple
two thread, one malloc memory,another free it.
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Subject: [Bug malloc/23592] *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Please attach it here, even simple programs can have bugs.
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>From glibc-bugs-return-43083-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 30 10:55:53 2018
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Subject: [Bug localedata/17426] Indian locales: set the correct date format
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|en_IN: set date format |Indian locales: set the
| |correct date format
--- Comment #9 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
This needs further work so I change the bug summary.
Statistics
==========
Glibc currently supports 34 Indian locales (see the incomplete list in comment
7). Only 19 of them are also supported by CLDR. For others we must figure out
the correct date format based on other similar locales.
There is one locale (bo_IN) which uses "copy..." for LC_TIME instead of
providing its own content and one locale (ccp_IN) which is supported by CLDR
but not by glibc. I will ignore those two.
Current state
=============
The most popular value of d_fmt in Indian locales is "%A %d %b %Y". It is
provided by 25 locales: anp_IN, bhb_IN, bho_IN, bn_IN, brx_IN, doi_IN, gu_IN,
hi_IN, hne_IN, kn_IN, kok_IN, ks_IN, ks_IN@devanagari, mag_IN, mai_IN, mni_IN,
mr_IN, pa_IN, raj_IN, sa_IN, sat_IN, sd_IN, sd_IN@devanagari, tcy_IN, ur_IN.
The second most popular is "%A %d %B %Y". Supported by 4 locales: ar_IN,
mjw_IN, ml_IN, ta_IN. It has also been supported by the 5th locale: en_IN but
it has been changed to "%d/%m/%y" just days ago. Most probably your computers
still provide the old date format for en_IN.
as_IN uses "%e-%m-%Y".
or_IN uses "%Od-%Om-%Oy". It seems to me that someone made an effort to adapt
the locale to the actual needs of the local community. I will not touch this.
te_IN uses "%B %d %A %Y". This looks like a typo (Month dd Weekday yyyy) and
I'm pretty sure someone actually meant "%A %d %B %Y".
Proposed changes
================
For those locales which currently use "%A %d %b %Y" or "%A %d %B %Y" CLDR
provides "d/M/yy" (day number, as many digits as required - not padded, not
truncated; month number, as many digits as required; year number, truncated to
2 digits). Glibc equivalent is: "%-d/%-m/%y". Locales: bn_IN, gu_IN, hi_IN,
kn_IN, ml_IN, mr_IN, pa_IN, ta_IN, ur_IN. (9 locales)
Consequently I think that these locales which are not supported by CLDR but
currently provide the same value of d_fmt should accept the same change:
anp_IN, ar_IN, bhb_IN, bho_IN, doi_IN, hne_IN, mag_IN, mai_IN, mjw_IN, mni_IN,
raj_IN, sat_IN, sd_IN, sd_IN@devanagari, tcy_IN. (15 locales)
However, it may be disputable if actual Indian users want the month number to
be zero-padded or not. That means, should today date be formatted as "30/8/18"
and Sept 1st as "1/9/18" or maybe rather "30/08/18" and "1/09/18" or even
"30/08/18" and "01/09/18".
Note that ur_IN is in this group and ur_PK currently provides "%d/%m/%Y"
("30/08/2018" and "01/09/2018").
For as_IN CLDR suggests "d-M-y" which should translate to "%-d-%-m-%y" or
"%-e-%-m-%y". Current value is "%e-%m-%Y" (zero padded month number, 4 digits
year). Maybe leave unchanged?
For brx_IN and ks_IN which use "%A %d %b %Y" CLDR provides "M/d/yy" which
translates to "%-m/%-d/%y". Consequently I think that ks_IN@devanagari which
is not supported by CLDR should have the same value. (3 locales)
For kok_IN which currently uses "%A %d %b %Y" CLDR provides "d-M-yy" which
translates to "%-d-%-m-%y".
For sa_IN which currently uses "%A %d %b %Y" CLDR provides "d-MM-yy" which
translates to "%-d-%m-%y". (Difference: in sa_IN month number should be
zero-padded to 2 digits, in kok_IN should not).
For te_IN which currently uses "%B %d %A %Y" (a typo IMHO) CLDR provides
"dd-MM-yy" which translates to "%d-%m-%y".
en_IN has been already updated.
Thoughts?
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Subject: [Bug malloc/23592] *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
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--- Comment #2 from gino.he <hefengqing at huawei dot com> ---
(In reply to Andreas Schwab from comment #1)
> Please attach it here, even simple programs can have bugs.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include <signal.h>
#include <dirent.h>
#include <sys/file.h>
#include <pthread.h>
pthread_mutex_t gMallocMutex;
pthread_t thread_test;
char * g_test_ptr = NULL;
typedef void* (*THREAD_FUNCTION)(void*);
// Creates a thread that will execute a given function with a given parameter
int CreateThread(pthread_t *newThread, THREAD_FUNCTION threadFunc, void *arg)
{
pthread_attr_t thread_attr;
unsigned int res;
if(newThread == NULL)
{
return -1;
}
res = pthread_attr_init(&thread_attr);
if( res != 0)
{
return -1;
}
res = pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);
if( res != 0)
{
(void)pthread_attr_destroy(&thread_attr);
return -1;
}
if(pthread_create(newThread, &thread_attr, threadFunc, arg) != 0)
{
return -1;
}
(void)pthread_attr_destroy(&thread_attr);
return 0;
}
void* Test(void *arg)
{
char * tmp=NULL;
fprintf(stderr, "in malloc thread\n");
while(1)
{
pthread_mutex_lock(&gMallocMutex);
tmp = g_test_ptr;
pthread_mutex_unlock(&gMallocMutex);
if (tmp == NULL)
{
tmp=malloc(1800);
if (tmp == NULL)
{
fprintf(stderr, " malloc error\n");
break;
}
}
pthread_mutex_lock(&gMallocMutex);
g_test_ptr=tmp;
pthread_mutex_unlock(&gMallocMutex);
}
return NULL;
}
int main()
{
sleep(20);
if (pthread_mutex_init(&gMallocMutex, NULL) != 0)
{
exit(23);
}
sleep(10);
CreateThread(&thread_test, Test, NULL);
fprintf(stderr, "in free thread\n");
char *p=NULL;
while(1)
{
pthread_mutex_lock(&gMallocMutex);
p = g_test_ptr;
g_test_ptr = NULL;
pthread_mutex_unlock(&gMallocMutex);
if (NULL != p) {
free(p);
p = NULL;
}
}
return 0;
}
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>From glibc-bugs-return-43085-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 30 11:31:38 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23592] *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
Date: Thu, 30 Aug 2018 11:31:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I think the reproducer is invalid. The Test function can overwrite a NULL
pointer with the previous pointer, even when not performing a new allocation.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23592] *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
Date: Thu, 30 Aug 2018 11:33:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |carlos at redhat dot com
Resolution|--- |INVALID
--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #3)
> I think the reproducer is invalid. The Test function can overwrite a NULL
> pointer with the previous pointer, even when not performing a new allocation.
Correct, and valgrind shows that:
==4643== Invalid free() / delete / delete[] / realloc()
==4643== at 0x4C2FDAC: free (vg_replace_malloc.c:530)
==4643== by 0x400ADB: main (in /home/carlos/support/swbz23592/test)
==4643== Address 0x5c1a8e0 is 0 bytes inside a block of size 1,800 free'd
==4643== at 0x4C2FDAC: free (vg_replace_malloc.c:530)
==4643== by 0x400ADB: main (in /home/carlos/support/swbz23592/test)
==4643== Block was alloc'd at
==4643== at 0x4C2EBAB: malloc (vg_replace_malloc.c:299)
==4643== by 0x4009D8: Test (in /home/carlos/support/swbz23592/test)
==4643== by 0x4E42593: start_thread (in /usr/lib64/libpthread-2.27.so)
==4643== by 0x51540DE: clone (in /usr/lib64/libc-2.27.so)
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23590] No clock_gettime() in time.h
Date: Thu, 30 Aug 2018 11:46:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Did you intend to write that “<unistd.h> defines _POSIX_TIMERS�
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>From glibc-bugs-return-43088-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 30 15:02:45 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Thu, 30 Aug 2018 15:02:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-08-30
Ever confirmed|0 |1
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>From glibc-bugs-return-43089-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 30 15:05:54 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Patch sent upstream [1]. As described in submission, the only discrepancy
between preadv2 and fallback code regarding error reporting is when an invalid
flags are used. The fallback code bails out earlier with ENOTSUP instead of
EINVAL/EBADF when the syscall is used. I see no way to mimic this semantic
unless not honoring the flags (which is exactly what preadv2/pwritev2 is for)
on fallback code, but I think this discrepancy can be handle correctly be the
caller.
[1] https://sourceware.org/ml/libc-alpha/2018-08/msg00603.html
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
Date: Thu, 30 Aug 2018 15:15:00 -0000
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--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/bz20480 has been created
at 48ebdd282daec74a530ed95ad67d609d8594a9de (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=48ebdd282daec74a530ed95ad67d609d8594a9de
commit 48ebdd282daec74a530ed95ad67d609d8594a9de
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Aug 27 16:16:43 2018 -0300
Fix ifunc support with DT_TEXTREL segments (BZ#20480)
Currently, DT_TEXTREL is incompatible with IFUNC. When DT_TEXTREL or
DF_TEXTREL is seen, the dynamic linker calls __mprotect on the segments
with PROT_READ|PROT_WRITE before applying dynamic relocations. It leads
to segfault when performing IFUNC resolution (which requires PROT_EXEC
as well for the IFUNC resolver).
This patch makes it call __mprotect with extra PROT_WRITE bit, which
will keep the PROT_EXEC bit if exists, and thus fixes the segfault.
FreeBSD rtld libexec/rtld-elf/rtld.c (reloc_textrel_prot) does the same.
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu,
sparc64-linux-gnu, sparcv9-linux-gnu, and armv8-linux-gnueabihf.
Adam J. Richte <adam_richter2004@yahoo.com>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Fangrui Song <maskray@google.com>
[BZ #20480]
* config.h.in (CAN_TEXTREL_IFUNC): New define.
* configure.ac: Add check if linker supports textrel relocation with
ifunc.
* elf/dl-reloc.c (_dl_relocate_object): Use all required flags on
DT_TEXTREL segments, not only PROT_READ and PROT_WRITE.
* elf/Makefile (ifunc-pie-tests): Add tst-ifunc-textrel.
(CFLAGS-tst-ifunc-textrel.c): New rule.
* elf/tst-ifunc-textrel.c: New file.
-----------------------------------------------------------------------
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From: "lee at ansync dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23590] No clock_gettime() in time.h
Date: Thu, 30 Aug 2018 16:43:00 -0000
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--- Comment #2 from Lee Daniel Crocker <lee at ansync dot com> ---
I was unclear about that...yes, it's unistd.h that defines _POSIX_TIMERS. The
declaration of clock_gettime() is in time.h, hidden by an #ifdef
__USE_POSIX199309.
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23597] New: support/test-container.c doesn't work with different filesystems
Date: Thu, 30 Aug 2018 18:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23597
Bug ID: 23597
Summary: support/test-container.c doesn't work with different
filesystems
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: carlos at redhat dot com
Target Milestone: ---
support/test-container.c has
if (copy_file_range (sfd, 0, dfd, 0, st.st_size, 0) != st.st_size)
FAIL_EXIT1 ("cannot copy file %s to %s\n", sname, dname);
But copy_file_range may return
EXDEV The files referred to by file_in and file_out are not on the
same mounted filesystem.
It happens when glibc build directory is on a different filesystem than
glibc source directory.
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>From glibc-bugs-return-43093-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Aug 30 20:04:43 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
Date: Thu, 30 Aug 2018 20:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20480
--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, azanella/bz20480 has been created
at 1823a9665c2d842db70c732eb3fe8a13c98f5319 (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1823a9665c2d842db70c732eb3fe8a13c98f5319
commit 1823a9665c2d842db70c732eb3fe8a13c98f5319
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Aug 27 16:16:43 2018 -0300
Fix ifunc support with DT_TEXTREL segments (BZ#20480)
Currently, DT_TEXTREL is incompatible with IFUNC. When DT_TEXTREL or
DF_TEXTREL is seen, the dynamic linker calls __mprotect on the segments
with PROT_READ|PROT_WRITE before applying dynamic relocations. It leads
to segfault when performing IFUNC resolution (which requires PROT_EXEC
as well for the IFUNC resolver).
This patch makes it call __mprotect with extra PROT_WRITE bit, which
will keep the PROT_EXEC bit if exists, and thus fixes the segfault.
FreeBSD rtld libexec/rtld-elf/rtld.c (reloc_textrel_prot) does the same.
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu,
sparc64-linux-gnu, sparcv9-linux-gnu, and armv8-linux-gnueabihf.
Adam J. Richte <adam_richter2004@yahoo.com>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Fangrui Song <maskray@google.com>
[BZ #20480]
* config.h.in (CAN_TEXTREL_IFUNC): New define.
* configure.ac: Add check if linker supports textrel relocation with
ifunc.
* elf/dl-reloc.c (_dl_relocate_object): Use all required flags on
DT_TEXTREL segments, not only PROT_READ and PROT_WRITE.
* elf/Makefile (ifunc-pie-tests): Add tst-ifunc-textrel.
(CFLAGS-tst-ifunc-textrel.c): New rule.
* elf/tst-ifunc-textrel.c: New file.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23593] New: *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
Date: Thu, 30 Aug 2018 20:20:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23593
Bug ID: 23593
Summary: *** Error in `/tmp/a.out': corrupted double-linked
list: 0xb6500460 ***
Product: glibc
Version: 2.20
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: hefengqing at huawei dot com
CC: adhemerval.zanella at linaro dot org
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CC: adhemerval.zanella at linaro dot org
*** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
Program received signal SIGABRT, Aborted.
0xb6e84880 in raise () from /lib/libc.so.6
(gdb) bt
#0 0xb6e84880 in raise () from /lib/libc.so.6
#1 0xb6e881a8 in abort () from /lib/libc.so.6
#2 0xb6ebbb70 in __libc_message () from /lib/libc.so.6
#3 0xb6ec5bfc in malloc_printerr () from /lib/libc.so.6
#4 0xb6ec75d0 in _int_free () from /lib/libc.so.6
#5 0x00008aa8 in main ()
both ARM and x86_64 will report error!
the program is very simple
two thread, one malloc memory,another free it.
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
This is mostly likely caused by memory corruption in the program itself. Please
add a testcase or give us more information how to reproduce (which version you
tested, toolchain used, etc.). With the description you gave it is not possible
to move forward, and I will close it as INVALID in following days.
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Subject: [Bug malloc/23593] *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
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Subject: [Bug math/23272] fma(INFINITY,INFIITY,0.0) should be INFINITY
Date: Fri, 31 Aug 2018 09:36:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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ca121b117f2c9c97a4c121334481a96c94fef3a0 Fix ldbl-96 fma (Inf, Inf, finite)
(bug 23272).
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Subject: [Bug libc/23329] The __libc_freeres infrastructure is not properly run across DSO boundaries.
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Subject: [Bug libc/21719] stdlib/msort : optimizing merge sort
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The branch, azanella/qsort-refactor has been created
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commit 47500d559b89af15344c4dd5a3b65a9df490ceb4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 11:19:15 2018 -0200
stdlib: Optimization qsort{_r} swap implementation
This patchs adds a optimized swap operation on qsort based in previous
msort one. Instead of byte operation, three variants are provided:
1. Using uint32_t loads and stores.
2. Using uint64_t loads and stores.
3. Generic one with a temporary buffer and memcpy/mempcpy.
The 1. and 2. option are selected only either if architecture defines
_STRING_ARCH_unaligned or if base pointer is aligned to required type.
This is due based on data for bench-qsort, usually programs calls
qsort with array with multiple of machine word as element size.
Benchmarking shows an increase performance:
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1401 | 1958 | 39.76
4096| 351333 | 368533 | 4.90
32768| 3369386 | 3131712 | -7.05
524288| 63192972 | 59807494 | -5.36
MostlySorted
nmemb | base | patched | diff
32| 2391 | 2061 | -13.80
4096| 1124074 | 961816 | -14.43
32768| 11196607 | 9410438 | -15.95
524288| 215908169 | 185586732 | -14.04
Unsorted
nmemb | base | patched | diff
32| 4993 | 2021 | -59.52
4096| 1113860 | 963126 | -13.53
32768| 11251293 | 9518795 | -15.40
524288| 217252237 | 185072278 | -14.81
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1296 | 1267 | -2.24
4096| 359418 | 334852 | -6.83
32768| 3535229 | 3345157 | -5.38
524288| 69847251 | 67029358 | -4.03
MostlySorted
nmemb | base | patched | diff
32| 2745 | 2340 | -14.75
4096| 1222082 | 1014314 | -17.00
32768| 12244800 | 9924706 | -18.95
524288| 241557971 | 196898760 | -18.49
Unsorted
nmemb | base | patched | diff
32| 2972 | 2389 | -19.62
4096| 1314861 | 1024052 | -22.12
32768| 12397909 | 10120848 | -18.37
524288| 241789262 | 193414824 | -20.01
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 1305 | 1287 | -1.38
4096| 346332 | 347979 | 0.48
32768| 3458244 | 3408058 | -1.45
524288| 72793445 | 69973719 | -3.87
MostlySorted
nmemb | base | patched | diff
32| 5435 | 4890 | -10.03
4096| 2032260 | 1688556 | -16.91
32768| 19909035 | 16419992 | -17.52
524288| 390339319 | 325921585 | -16.50
Unsorted
nmemb | base | patched | diff
32| 5833 | 5351 | -8.26
4096| 2022531 | 1724961 | -14.71
32768| 19842888 | 16588545 | -16.40
524288| 388838382 | 324102703 | -16.65
Checked on x86_64-linux-gnu.
[BZ #19305].
* stdlib/qsort.c (SWAP): Remove.
(check_alignment, swap_u32, swap_u64, swap_generic,
select_swap_func): New functions.
(__qsort_r):
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9dda5ba3a8133250d09d41f777e4218817385b9e
commit 9dda5ba3a8133250d09d41f777e4218817385b9e
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 10:49:43 2018 -0200
stdlib: Remove use of mergesort on qsort
This patch removes the mergesort optimization on qsort{_r} implementation
and use the quicksort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have a O(1) space
qsort implementation.
- The malloc for certain element size and element number adds arbitrary
latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation relies
on system information that might be virtualized (for instance VMs with
overcommit memory) which might leads to potentially use of swap even
if system advertise more memory than actually has. The check also have
the downside of issuing syscalls where none is expected (although only
once per execution).
- The mergesort is suboptimal on already sorted array (BZ#21719).
The quicksort implementation is already optimized to use constant extra
space (due the limit of total number of elements from maximum VM size)
and thus can be used to avoid the malloc usage issues.
Using bench-qsort (i7-4790K, gcc 7.2.1) shows the performance difference
between mergesort (base) and quicksort (patched):
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1447 | 1401 | -3.18
4096| 315978 | 351333 | 11.19
32768| 2559093 | 3369386 | 31.66
524288| 46228488 | 63192972 | 36.70
MostlySorted
nmemb | base | patched | diff
32| 1974 | 2391 | 21.12
4096| 922332 | 1124074 | 21.87
32768| 9268671 | 11196607 | 20.80
524288| 186856297 | 215908169 | 15.55
Unsorted
nmemb | base | patched | diff
32| 1978 | 4993 | 152.43
4096| 916413 | 1113860 | 21.55
32768| 9270003 | 11251293 | 21.37
524288| 187606088 | 217252237 | 15.80
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1424 | 1296 | -8.99
4096| 299105 | 359418 | 20.16
32768| 2737859 | 3535229 | 29.12
524288| 53082807 | 69847251 | 31.58
MostlySorted
nmemb | base | patched | diff
32| 2129 | 2745 | 28.93
4096| 969465 | 1222082 | 26.06
32768| 9605227 | 12244800 | 27.48
524288| 193353927 | 241557971 | 24.93
Unsorted
nmemb | base | patched | diff
32| 2194 | 2972 | 35.46
4096| 958610 | 1314861 | 37.16
32768| 9664246 | 12397909 | 28.29
524288| 193758429 | 241789262 | 24.79
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 4477 | 1305 | -70.85
4096| 1109492 | 346332 | -68.78
32768| 11075976 | 3458244 | -68.78
524288| 230773658 | 72793445 | -68.46
MostlySorted
nmemb | base | patched | diff
32| 5905 | 5435 | -7.96
4096| 2568895 | 2032260 | -20.89
32768| 24936755 | 19909035 | -20.16
524288| 526442900 | 390339319 | -25.85
Unsorted
nmemb | base | patched | diff
32| 6004 | 5833 | -2.85
4096| 2437943 | 2022531 | -17.04
32768| 24789971 | 19842888 | -19.96
524288| 525898556 | 388838382 | -26.06
An increase in latency, however some performance difference is due the fact
mergesort uses a slight improved swap operation than quicksort (which
following
patch addresses). This change also renders the BZ #21719 fix unrequired
(since
it is to fix the sorted input performance degradation for mergesort). The
manual is also updated to indicate the function is not async-cancel safe.
Checked on x86_64-linux-gnu.
[BZ #21719]
* stdlib/Makefile (routines): Remove msort.
(CFLAGS-msort.c): Remove rule.
* stdlib/msort.c: Remove file.
* stdlib/qsort.c (_quicksort): Rename to __qsort_r and add weak_alias
to qsort_r.
(qsort): New symbol.
* manual/argp.texi: Remove qsort @acu* annotation.
* manual/locale.texi: Likewise.
* manual/search.texi: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=68133fe4231add057ade9581ea129d36aaefbd88
commit 68133fe4231add057ade9581ea129d36aaefbd88
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Aug 31 20:24:03 2017 -0300
benchtests: Add bench-qsort
This patch adds a qsort benchmark. I tried to model the benchmark taking
in
consideration the possible input variation in both internal element size,
element numbers, and internal state for 1. real word cases and 2. possible
scenarios based on hardware characteristics.
For 1. I tracked qsort usage (using a simple preload library to dump its
usage
and a script to pos-process it) on both GCC bootstrap and Firefox. GCC 8
bootstrap build shows 51786641 call to qsort with the following
characterics:
Key: number of elements:
key=2 : 39.74
key=3 : 19.23
key=4 : 9.77
key=1 : 8.44
key=0 : 6.60
key=5 : 4.40
key=7 : 2.37
key=6 : 2.25
key=9 : 1.48
key=8 : 0.97
Key: element size in bytes:
key=8 : 91.74
key=32 : 3.62
key=4 : 2.42
key=40 : 1.20
key=16 : 0.67
key=24 : 0.30
key=48 : 0.05
key=56 : 0.00
key=1 : 0.00
Key: total size (number of elements * element size):
key=16 : 35.98
key=24 : 18.67
key=32 : 9.79
key=8 : 8.28
key=0 : 6.60
key=40 : 4.21
key=64 : 3.15
key=48 : 2.24
key=56 : 2.15
key=80 : 1.45
So for GCC:
- 80% of total qsort usage are done with 10 elements of less.
- All usages are done element size of maximum of 56 bytes.
- 90% of calls are done with array of maximum size of 80 bytes or less.
The Firefox usage was done with 2 hours of usage, with first 10 minutes
activelly
openning and closing different types of sites. It resulted in 21042 calls
with
following characteristics:
Key: number of elements:
key=7 : 24.40
key=1 : 10.44
key=3 : 6.33
key=4 : 5.81
key=2 : 5.46
key=6 : 4.80
key=17 : 4.54
key=0 : 3.07
key=5 : 3.05
key=9 : 2.51
key=12 : 2.06
Key: element size in bytes:
key=8 : 94.49
key=28 : 4.40
key=2 : 0.70
key=16 : 0.19
key=36 : 0.07
key=12 : 0.07
key=40 : 0.07
key=24 : 0.03
Key: total size (number of elements * element size):
key=56 : 24.20
key=8 : 10.27
key=24 : 6.36
key=32 : 5.86
key=16 : 5.46
key=48 : 4.80
key=476 : 3.75
key=0 : 3.07
key=40 : 3.05
key=72 : 2.50
So for Firefox:
- 72% of total qsort usage are done with 18 elements of less.
- All usages are done element size of maximum of 40 bytes.
- 70% of calls are done with array of maximum size of 476 bytes or less.
For 2. I used the idea of a machine with 3 levels of cache with sizes
32kb (L1), 256kb (L2), and 4096 (L3).
It resulted in a benchmark with following traits:
* It checks four types of input arrays: sorted, mostly sorted, unsorted,
and
repeated. For 'sorted' the array is already sorted, 'mostly sorted'
the
array will have a certain number of random elements with random values
(current ratio used is 20%), for 'unsorted' the array will contain
random
elements from full range based on used type, and for 'repeated' the
array
will have random elements with a certain number (current ratio is 20%)
of
a repeated element distributed randomly.
* Three elements sizes are checked: uint32_t, uint64_t, and an element
with
32 bytes (but using the uint64_t comparison checks). These element
sizes
are used to 1. to avoid include the comparison function itself and/or
memory copy in sort benchmark itself, and 2. because key of size_t are
the
most used for both GCC and Firefox.
* Five different element numbers: 64 (which cover mostly of used element
sizes for both GCC and Firefox), 4096/8192 (which cover 32 KB of L1 for
32 and 64 bits), 32768/65536 (L2 with 256 KB), and 24288/1048576 (L3
with
4 MB). The sizes are configurable by --nelem option.
Checked on x86_64-linux-gnu
* benchtests/Makefile (stdlib-benchset): Add qsort.
* benchtests/bench-qsort.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11e3dbc46480dc609478306c8eaf03758df75065
commit 11e3dbc46480dc609478306c8eaf03758df75065
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 15 09:20:30 2018 -0200
stdlib: Add more qsort{_r} coverage
This patch adds a qsort and qsort_t (which glibc current lacks
coverage). The test check with random input (created using support
random) with different internal types (uint8_t, uint16_t, uint32_t,
and uint64_t) and with different set of element numbers (from 0
to 262144).
Checked on x86_64-linux-gnu.
* stdlib/tst-qsort3.c: New file.
* stdlib/Makefile (tests): Add tst-qsort3.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f06b0b6f7496cb87cc3221ed5c40692cf227b35
commit 5f06b0b6f7496cb87cc3221ed5c40692cf227b35
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Aug 31 11:24:28 2018 -0300
Fix
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a2d0969a0957ccc3505498aa45d4d7e03960bb8b
commit a2d0969a0957ccc3505498aa45d4d7e03960bb8b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 25 10:53:13 2017 -0200
support: Add Mersenne Twister pseudo-random number generator
This patch adds support routines for pseudo-random number generation
based on Mersenne Twister. The libstc++ version is used as based and
both 32 and 64 bits are provided. It is used on following qsort tests
and benchmarks.
I decided to use a Mersenne Twister (MT) instead of random_r internal
implementation, which uses a linear feedback shift register approach
with trinomials, because it:
- is used extensivelly in other implementations (like c+11);
- has a quite larger period (2^219937-1) than the type 4 variantion
of random (2^63 - 1);
- does not the RAND_MAX limitation.
Checked on x86_64-linux-gnu.
* support/Makefile (libsupport-routines): Add support_random.
(tests): Add tst-support_random.
* support/support_random.c: New file.
* support/support_random.h: Likewise.
* support/tst-support_random.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f4ff21990502b3420689620f9f67631e25d27dc
commit 8f4ff21990502b3420689620f9f67631e25d27dc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 15 09:49:37 2017 -0200
stdlib: Adjust tst-qsort{2} to libsupport
* stdlib/tst-qsort.c: Use libsupport.
* stdlib/tst-qsort2.c: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19305] qsort() should return early if (nmemb <= 1)
Date: Fri, 31 Aug 2018 17:29:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19305
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/qsort-refactor has been created
at 47500d559b89af15344c4dd5a3b65a9df490ceb4 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47500d559b89af15344c4dd5a3b65a9df490ceb4
commit 47500d559b89af15344c4dd5a3b65a9df490ceb4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 11:19:15 2018 -0200
stdlib: Optimization qsort{_r} swap implementation
This patchs adds a optimized swap operation on qsort based in previous
msort one. Instead of byte operation, three variants are provided:
1. Using uint32_t loads and stores.
2. Using uint64_t loads and stores.
3. Generic one with a temporary buffer and memcpy/mempcpy.
The 1. and 2. option are selected only either if architecture defines
_STRING_ARCH_unaligned or if base pointer is aligned to required type.
This is due based on data for bench-qsort, usually programs calls
qsort with array with multiple of machine word as element size.
Benchmarking shows an increase performance:
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1401 | 1958 | 39.76
4096| 351333 | 368533 | 4.90
32768| 3369386 | 3131712 | -7.05
524288| 63192972 | 59807494 | -5.36
MostlySorted
nmemb | base | patched | diff
32| 2391 | 2061 | -13.80
4096| 1124074 | 961816 | -14.43
32768| 11196607 | 9410438 | -15.95
524288| 215908169 | 185586732 | -14.04
Unsorted
nmemb | base | patched | diff
32| 4993 | 2021 | -59.52
4096| 1113860 | 963126 | -13.53
32768| 11251293 | 9518795 | -15.40
524288| 217252237 | 185072278 | -14.81
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1296 | 1267 | -2.24
4096| 359418 | 334852 | -6.83
32768| 3535229 | 3345157 | -5.38
524288| 69847251 | 67029358 | -4.03
MostlySorted
nmemb | base | patched | diff
32| 2745 | 2340 | -14.75
4096| 1222082 | 1014314 | -17.00
32768| 12244800 | 9924706 | -18.95
524288| 241557971 | 196898760 | -18.49
Unsorted
nmemb | base | patched | diff
32| 2972 | 2389 | -19.62
4096| 1314861 | 1024052 | -22.12
32768| 12397909 | 10120848 | -18.37
524288| 241789262 | 193414824 | -20.01
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 1305 | 1287 | -1.38
4096| 346332 | 347979 | 0.48
32768| 3458244 | 3408058 | -1.45
524288| 72793445 | 69973719 | -3.87
MostlySorted
nmemb | base | patched | diff
32| 5435 | 4890 | -10.03
4096| 2032260 | 1688556 | -16.91
32768| 19909035 | 16419992 | -17.52
524288| 390339319 | 325921585 | -16.50
Unsorted
nmemb | base | patched | diff
32| 5833 | 5351 | -8.26
4096| 2022531 | 1724961 | -14.71
32768| 19842888 | 16588545 | -16.40
524288| 388838382 | 324102703 | -16.65
Checked on x86_64-linux-gnu.
[BZ #19305].
* stdlib/qsort.c (SWAP): Remove.
(check_alignment, swap_u32, swap_u64, swap_generic,
select_swap_func): New functions.
(__qsort_r):
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9dda5ba3a8133250d09d41f777e4218817385b9e
commit 9dda5ba3a8133250d09d41f777e4218817385b9e
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 10:49:43 2018 -0200
stdlib: Remove use of mergesort on qsort
This patch removes the mergesort optimization on qsort{_r} implementation
and use the quicksort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have a O(1) space
qsort implementation.
- The malloc for certain element size and element number adds arbitrary
latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation relies
on system information that might be virtualized (for instance VMs with
overcommit memory) which might leads to potentially use of swap even
if system advertise more memory than actually has. The check also have
the downside of issuing syscalls where none is expected (although only
once per execution).
- The mergesort is suboptimal on already sorted array (BZ#21719).
The quicksort implementation is already optimized to use constant extra
space (due the limit of total number of elements from maximum VM size)
and thus can be used to avoid the malloc usage issues.
Using bench-qsort (i7-4790K, gcc 7.2.1) shows the performance difference
between mergesort (base) and quicksort (patched):
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1447 | 1401 | -3.18
4096| 315978 | 351333 | 11.19
32768| 2559093 | 3369386 | 31.66
524288| 46228488 | 63192972 | 36.70
MostlySorted
nmemb | base | patched | diff
32| 1974 | 2391 | 21.12
4096| 922332 | 1124074 | 21.87
32768| 9268671 | 11196607 | 20.80
524288| 186856297 | 215908169 | 15.55
Unsorted
nmemb | base | patched | diff
32| 1978 | 4993 | 152.43
4096| 916413 | 1113860 | 21.55
32768| 9270003 | 11251293 | 21.37
524288| 187606088 | 217252237 | 15.80
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1424 | 1296 | -8.99
4096| 299105 | 359418 | 20.16
32768| 2737859 | 3535229 | 29.12
524288| 53082807 | 69847251 | 31.58
MostlySorted
nmemb | base | patched | diff
32| 2129 | 2745 | 28.93
4096| 969465 | 1222082 | 26.06
32768| 9605227 | 12244800 | 27.48
524288| 193353927 | 241557971 | 24.93
Unsorted
nmemb | base | patched | diff
32| 2194 | 2972 | 35.46
4096| 958610 | 1314861 | 37.16
32768| 9664246 | 12397909 | 28.29
524288| 193758429 | 241789262 | 24.79
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 4477 | 1305 | -70.85
4096| 1109492 | 346332 | -68.78
32768| 11075976 | 3458244 | -68.78
524288| 230773658 | 72793445 | -68.46
MostlySorted
nmemb | base | patched | diff
32| 5905 | 5435 | -7.96
4096| 2568895 | 2032260 | -20.89
32768| 24936755 | 19909035 | -20.16
524288| 526442900 | 390339319 | -25.85
Unsorted
nmemb | base | patched | diff
32| 6004 | 5833 | -2.85
4096| 2437943 | 2022531 | -17.04
32768| 24789971 | 19842888 | -19.96
524288| 525898556 | 388838382 | -26.06
An increase in latency, however some performance difference is due the fact
mergesort uses a slight improved swap operation than quicksort (which
following
patch addresses). This change also renders the BZ #21719 fix unrequired
(since
it is to fix the sorted input performance degradation for mergesort). The
manual is also updated to indicate the function is not async-cancel safe.
Checked on x86_64-linux-gnu.
[BZ #21719]
* stdlib/Makefile (routines): Remove msort.
(CFLAGS-msort.c): Remove rule.
* stdlib/msort.c: Remove file.
* stdlib/qsort.c (_quicksort): Rename to __qsort_r and add weak_alias
to qsort_r.
(qsort): New symbol.
* manual/argp.texi: Remove qsort @acu* annotation.
* manual/locale.texi: Likewise.
* manual/search.texi: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=68133fe4231add057ade9581ea129d36aaefbd88
commit 68133fe4231add057ade9581ea129d36aaefbd88
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Aug 31 20:24:03 2017 -0300
benchtests: Add bench-qsort
This patch adds a qsort benchmark. I tried to model the benchmark taking
in
consideration the possible input variation in both internal element size,
element numbers, and internal state for 1. real word cases and 2. possible
scenarios based on hardware characteristics.
For 1. I tracked qsort usage (using a simple preload library to dump its
usage
and a script to pos-process it) on both GCC bootstrap and Firefox. GCC 8
bootstrap build shows 51786641 call to qsort with the following
characterics:
Key: number of elements:
key=2 : 39.74
key=3 : 19.23
key=4 : 9.77
key=1 : 8.44
key=0 : 6.60
key=5 : 4.40
key=7 : 2.37
key=6 : 2.25
key=9 : 1.48
key=8 : 0.97
Key: element size in bytes:
key=8 : 91.74
key=32 : 3.62
key=4 : 2.42
key=40 : 1.20
key=16 : 0.67
key=24 : 0.30
key=48 : 0.05
key=56 : 0.00
key=1 : 0.00
Key: total size (number of elements * element size):
key=16 : 35.98
key=24 : 18.67
key=32 : 9.79
key=8 : 8.28
key=0 : 6.60
key=40 : 4.21
key=64 : 3.15
key=48 : 2.24
key=56 : 2.15
key=80 : 1.45
So for GCC:
- 80% of total qsort usage are done with 10 elements of less.
- All usages are done element size of maximum of 56 bytes.
- 90% of calls are done with array of maximum size of 80 bytes or less.
The Firefox usage was done with 2 hours of usage, with first 10 minutes
activelly
openning and closing different types of sites. It resulted in 21042 calls
with
following characteristics:
Key: number of elements:
key=7 : 24.40
key=1 : 10.44
key=3 : 6.33
key=4 : 5.81
key=2 : 5.46
key=6 : 4.80
key=17 : 4.54
key=0 : 3.07
key=5 : 3.05
key=9 : 2.51
key=12 : 2.06
Key: element size in bytes:
key=8 : 94.49
key=28 : 4.40
key=2 : 0.70
key=16 : 0.19
key=36 : 0.07
key=12 : 0.07
key=40 : 0.07
key=24 : 0.03
Key: total size (number of elements * element size):
key=56 : 24.20
key=8 : 10.27
key=24 : 6.36
key=32 : 5.86
key=16 : 5.46
key=48 : 4.80
key=476 : 3.75
key=0 : 3.07
key=40 : 3.05
key=72 : 2.50
So for Firefox:
- 72% of total qsort usage are done with 18 elements of less.
- All usages are done element size of maximum of 40 bytes.
- 70% of calls are done with array of maximum size of 476 bytes or less.
For 2. I used the idea of a machine with 3 levels of cache with sizes
32kb (L1), 256kb (L2), and 4096 (L3).
It resulted in a benchmark with following traits:
* It checks four types of input arrays: sorted, mostly sorted, unsorted,
and
repeated. For 'sorted' the array is already sorted, 'mostly sorted'
the
array will have a certain number of random elements with random values
(current ratio used is 20%), for 'unsorted' the array will contain
random
elements from full range based on used type, and for 'repeated' the
array
will have random elements with a certain number (current ratio is 20%)
of
a repeated element distributed randomly.
* Three elements sizes are checked: uint32_t, uint64_t, and an element
with
32 bytes (but using the uint64_t comparison checks). These element
sizes
are used to 1. to avoid include the comparison function itself and/or
memory copy in sort benchmark itself, and 2. because key of size_t are
the
most used for both GCC and Firefox.
* Five different element numbers: 64 (which cover mostly of used element
sizes for both GCC and Firefox), 4096/8192 (which cover 32 KB of L1 for
32 and 64 bits), 32768/65536 (L2 with 256 KB), and 24288/1048576 (L3
with
4 MB). The sizes are configurable by --nelem option.
Checked on x86_64-linux-gnu
* benchtests/Makefile (stdlib-benchset): Add qsort.
* benchtests/bench-qsort.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11e3dbc46480dc609478306c8eaf03758df75065
commit 11e3dbc46480dc609478306c8eaf03758df75065
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 15 09:20:30 2018 -0200
stdlib: Add more qsort{_r} coverage
This patch adds a qsort and qsort_t (which glibc current lacks
coverage). The test check with random input (created using support
random) with different internal types (uint8_t, uint16_t, uint32_t,
and uint64_t) and with different set of element numbers (from 0
to 262144).
Checked on x86_64-linux-gnu.
* stdlib/tst-qsort3.c: New file.
* stdlib/Makefile (tests): Add tst-qsort3.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f06b0b6f7496cb87cc3221ed5c40692cf227b35
commit 5f06b0b6f7496cb87cc3221ed5c40692cf227b35
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Aug 31 11:24:28 2018 -0300
Fix
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a2d0969a0957ccc3505498aa45d4d7e03960bb8b
commit a2d0969a0957ccc3505498aa45d4d7e03960bb8b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 25 10:53:13 2017 -0200
support: Add Mersenne Twister pseudo-random number generator
This patch adds support routines for pseudo-random number generation
based on Mersenne Twister. The libstc++ version is used as based and
both 32 and 64 bits are provided. It is used on following qsort tests
and benchmarks.
I decided to use a Mersenne Twister (MT) instead of random_r internal
implementation, which uses a linear feedback shift register approach
with trinomials, because it:
- is used extensivelly in other implementations (like c+11);
- has a quite larger period (2^219937-1) than the type 4 variantion
of random (2^63 - 1);
- does not the RAND_MAX limitation.
Checked on x86_64-linux-gnu.
* support/Makefile (libsupport-routines): Add support_random.
(tests): Add tst-support_random.
* support/support_random.c: New file.
* support/support_random.h: Likewise.
* support/tst-support_random.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f4ff21990502b3420689620f9f67631e25d27dc
commit 8f4ff21990502b3420689620f9f67631e25d27dc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 15 09:49:37 2017 -0200
stdlib: Adjust tst-qsort{2} to libsupport
* stdlib/tst-qsort.c: Use libsupport.
* stdlib/tst-qsort2.c: Likewise.
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Subject: [Bug libc/19305] qsort() should return early if (nmemb <= 1)
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https://sourceware.org/bugzilla/show_bug.cgi?id=19305
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/qsort-refactor has been created
at f425f5ac83e55d218610a048c9134ded93e06914 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f425f5ac83e55d218610a048c9134ded93e06914
commit f425f5ac83e55d218610a048c9134ded93e06914
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 14:24:53 2018 -0200
stdlib: Remove undefined behavior from qsort implementation
Internally qsort is implemented on top of __qsort_r by casting the
function pointer to another type (__compar_fn_t tp __compar_d_fn_t)
and passing a NULL extra argument. Casting function pointer with
different types for subsequent function call is undefined-behaviour
(C11 6.3.2.3):
"[8] A pointer to a function of one type may be converted to a pointer
to a function of another type and back again; the result shall compare
equal to the original pointer. If a converted pointer is used to call
a function whose type is not compatible with the referenced type,
the behavior is undefined."
Also 'compatible' in this case also does not apply according to
6.7.6.3 Function declarators (including prototypes):
"[15] For two function types to be compatible, both shall specify
compatible return types. (146) Moreover, the parameter type lists,
if both are present, shall agree in the number of parameters and
in use of the ellipsis terminator; corresponding parameters shall
have compatible types. [...]"
Although this works on all architectures glibc supports (mostly because
it casts function pointers with similar calling conventions), I think
it is worth to avoid it. This patch fixes it by adding a common
implementation (qsort_common.c) which redefines the function based
on the required types.
For x86_64 (i7-4790K, gcc 7.2.1) shows a slight better performance
for qsort:
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1304 | 1257 | -3.60
4096| 330707 | 302235 | -8.61
32768| 3300210 | 3020728 | -8.47
524288| 65673289 | 59306436 | -9.69
Repeated
nmemb | base | patched | diff
32| 1885 | 1873 | -0.64
4096| 951490 | 904864 | -4.90
32768| 9272366 | 8542801 | -7.87
524288| 183337854 | 168426795 | -8.13
MostlySorted
nmemb | base | patched | diff
32| 1836 | 1776 | -3.27
4096| 758359 | 709937 | -6.39
32768| 7199982 | 6855890 | -4.78
524288| 139242170 | 129385161 | -7.08
Unsorted
nmemb | base | patched | diff
32| 2073 | 1941 | -6.37
4096| 1058383 | 969021 | -8.44
32768| 10310116 | 9462116 | -8.22
524288| 202427388 | 186560908 | -7.84
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1224 | 1205 | -1.55
4096| 336100 | 325554 | -3.14
32768| 3539890 | 3264125 | -7.79
524288| 67268510 | 66107684 | -1.73
Repeated
nmemb | base | patched | diff
32| 2096 | 2118 | 1.05
4096| 1015585 | 979114 | -3.59
32768| 9871981 | 9028606 | -8.54
524288| 189710172 | 174903867 | -7.80
MostlySorted
nmemb | base | patched | diff
32| 2318 | 2346 | 1.21
4096| 805051 | 759158 | -5.70
32768| 8346363 | 7810444 | -6.42
524288| 143597264 | 135900146 | -5.36
Unsorted
nmemb | base | patched | diff
32| 2364 | 2301 | -2.66
4096| 1076998 | 1014018 | -5.85
32768| 10442153 | 9888078 | -5.31
524288| 206235337 | 192479957 | -6.67
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 1214 | 1184 | -2.47
4096| 332449 | 325865 | -1.98
32768| 3313274 | 3331750 | 0.56
524288| 70786673 | 69067176 | -2.43
Repeated
nmemb | base | patched | diff
32| 4913 | 4813 | -2.04
4096| 1693735 | 1624137 | -4.11
32768| 17054760 | 15896739 | -6.79
524288| 332149265 | 316328778 | -4.76
MostlySorted
nmemb | base | patched | diff
32| 5490 | 5332 | -2.88
4096| 1394312 | 1312703 | -5.85
32768| 12743599 | 12360726 | -3.00
524288| 240249011 | 231603294 | -3.60
Unsorted
nmemb | base | patched | diff
32| 6251 | 6047 | -3.26
4096| 1959306 | 1695241 | -13.48
32768| 17204840 | 16430388 | -4.50
524288| 342716199 | 329496913 | -3.86
Checked on x86_64-linux-gnu.
* stdlib/qsort.c: Move common code to stdlib/qsort_common.c
and parametrize the function definition based wether to use
the '_r' variant.
* stdlib/qsort_common.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=71ed300d4b967465f4a56cb45295046811c7f9b9
commit 71ed300d4b967465f4a56cb45295046811c7f9b9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 11:19:15 2018 -0200
stdlib: Optimization qsort{_r} swap implementation
This patchs adds a optimized swap operation on qsort based in previous
msort one. Instead of byte operation, three variants are provided:
1. Using uint32_t loads and stores.
2. Using uint64_t loads and stores.
3. Generic one with a temporary buffer and memcpy/mempcpy.
The 1. and 2. option are selected only either if architecture defines
_STRING_ARCH_unaligned or if base pointer is aligned to required type.
This is due based on data for bench-qsort, usually programs calls
qsort with array with multiple of machine word as element size.
Benchmarking shows an increase performance:
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 2512 | 1858 | -26.04
4096 | 825039 | 702725 | -14.83
32768 | 7227910 | 6665149 | -7.79
524288 | 141602678 | 137332279 | -3.02
Repeated
nmemb | base | patched | diff
32 | 1948 | 2053 | 5.39
4096 | 973735 | 880246 | -9.60
32768 | 9695857 | 8501170 | -12.32
524288 | 184086492 | 170832127 | -7.20
Sorted
nmemb | base | patched | diff
32 | 3163 | 3800 | 20.14
4096 | 712679 | 618425 | -13.23
32768 | 3198064 | 3121069 | -2.41
524288 | 62327097 | 62135963 | -0.31
Unsorted
nmemb | base | patched | diff
32 | 2243 | 2036 | -9.23
4096 | 1035615 | 959467 | -7.35
32768 | 10077407 | 9268030 | -8.03
524288 | 198242838 | 182920727 | -7.73
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 2218 | 1737 | -21.69
4096 | 859333 | 725539 | -15.57
32768 | 7843666 | 6543577 | -16.58
524288 | 150404586 | 125632826 | -16.47
Repeated
nmemb | base | patched | diff
32 | 2484 | 1799 | -27.58
4096 | 1028579 | 887522 | -13.71
32768 | 10355933 | 8441606 | -18.49
524288 | 197692669 | 166863090 | -15.59
Sorted
nmemb | base | patched | diff
32 | 1159 | 1108 | -4.40
4096 | 284228 | 285501 | 0.45
32768 | 2816725 | 2796568 | -0.72
524288 | 56171914 | 55222756 | -1.69
Unsorted
nmemb | base | patched | diff
32 | 2627 | 2181 | -16.98
4096 | 1113614 | 965834 | -13.27
32768 | 10833759 | 9796429 | -9.57
524288 | 213615135 | 183258605 | -14.21
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 4428 | 5050 | 14.05
4096 | 1478246 | 1095604 | -25.88
32768 | 12657783 | 10235439 | -19.14
524288 | 254235649 | 185929218 | -26.87
Repeated
nmemb | base | patched | diff
32 | 5087 | 3453 | -32.12
4096 | 1715554 | 1254764 | -26.86
32768 | 17183223 | 11983349 | -30.26
524288 | 337323090 | 240349163 | -28.75
Sorted
nmemb | base | patched | diff
32 | 1172 | 1737 | 48.21
4096 | 284651 | 312751 | 9.87
32768 | 2795492 | 2792345 | -0.11
524288 | 59840778 | 60216689 | 0.63
Unsorted
nmemb | base | patched | diff
32 | 5427 | 4212 | -22.39
4096 | 1817705 | 1360557 | -25.15
32768 | 17388618 | 13014313 | -25.16
524288 | 349929708 | 256942681 | -26.57
Checked on x86_64-linux-gnu.
[BZ #19305].
* stdlib/qsort.c (SWAP): Remove.
(check_alignment, swap_u32, swap_u64, swap_generic,
select_swap_func): New functions.
(__qsort_r):
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=324cef4857ae1c420539a434d5de92f389a6b8d3
commit 324cef4857ae1c420539a434d5de92f389a6b8d3
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 10:49:43 2018 -0200
stdlib: Remove use of mergesort on qsort
This patch removes the mergesort optimization on qsort{_r} implementation
and use the quicksort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have a O(1) space
implementation.
- The malloc for certain element size and element number adds arbitrary
latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation relies
on system information that might be virtualized (for instance VMs with
overcommit memory) which might leads to potentially use of swap even
if system advertise more memory than actually has. The check also have
the downside of issuing syscalls where none is expected (although only
once per execution).
- The mergesort is suboptimal on already sorted array (BZ#21719).
The quicksort implementation is already optimized to use constant extra
space (due the limit of total number of elements from maximum VM size)
and thus can be used to avoid the malloc usage issues.
Using bench-qsort (i7-4510U, gcc 7.1.1) shows the performance difference
between mergesort (base) and quicksort (patched):
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 1727 | 2512 | 45.45
4096 | 490729 | 825039 | 68.13
32768 | 5062570 | 7227910 | 42.77
524288 | 99397572 | 141602678 | 42.46
Repeated
nmemb | base | patched | diff
32 | 2014 | 1948 | -3.28
4096 | 836096 | 973735 | 16.46
32768 | 8288515 | 9695857 | 16.98
524288 | 171234266 | 184086492 | 7.51
Sorted
nmemb | base | patched | diff
32 | 1508 | 3163 | 109.75
4096 | 279452 | 712679 | 155.03
32768 | 2389989 | 3198064 | 33.81
524288 | 46684810 | 62327097 | 33.51
Unsorted
nmemb | base | patched | diff
32 | 2166 | 2243 | 3.55
4096 | 969238 | 1035615 | 6.85
32768 | 8782888 | 10077407 | 14.74
524288 | 180907441 | 198242838 | 9.58
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 1537 | 2218 | 44.31
4096 | 464279 | 859333 | 85.09
32768 | 5181208 | 7843666 | 51.39
524288 | 102380344 | 150404586 | 46.91
Repeated
nmemb | base | patched | diff
32 | 1712 | 2484 | 45.09
4096 | 833519 | 1028579 | 23.40
32768 | 8642878 | 10355933 | 19.82
524288 | 175210230 | 197692669 | 12.83
Sorted
nmemb | base | patched | diff
32 | 1237 | 1159 | -6.31
4096 | 236972 | 284228 | 19.94
32768 | 2282819 | 2816725 | 23.39
524288 | 48007437 | 56171914 | 17.01
Unsorted
nmemb | base | patched | diff
32 | 1861 | 2627 | 41.16
4096 | 879328 | 1113614 | 26.64
32768 | 9186338 | 10833759 | 17.93
524288 | 187880836 | 213615135 | 13.70
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 6446 | 4428 | -31.31
4096 | 1565811 | 1478246 | -5.59
32768 | 16474957 | 12657783 | -23.17
524288 | 364464135 | 254235649 | -30.24
Repeated
nmemb | base | patched | diff
32 | 5544 | 5087 | -8.24
4096 | 2030560 | 1715554 | -15.51
32768 | 21053028 | 17183223 | -18.38
524288 | 451659503 | 337323090 | -25.31
Sorted
nmemb | base | patched | diff
32 | 3668 | 1172 | -68.05
4096 | 878063 | 284651 | -67.58
32768 | 9071819 | 2795492 | -69.18
524288 | 192633325 | 59840778 | -68.94
Unsorted
nmemb | base | patched | diff
32 | 4906 | 5427 | 10.62
4096 | 2044417 | 1817705 | -11.09
32768 | 21885590 | 17388618 | -20.55
524288 | 477850312 | 349929708 | -26.77
The result shows an increase in latency, and some performance difference is
due
the fact mergesort uses a slight improved swap operation than quicksort
(which
a following patch addresses it). This change also renders the BZ #21719
fix
unrequired (since it is meeant to fix the sorted input performance
degradation
for mergesort). The manual is also updated to indicate the function is now
async-cancel safe.
Checked on x86_64-linux-gnu.
[BZ #21719]
* stdlib/Makefile (routines): Remove msort.
(CFLAGS-msort.c): Remove rule.
* stdlib/msort.c: Remove file.
* stdlib/qsort.c (_quicksort): Rename to __qsort_r and add weak_alias
to qsort_r.
(qsort): New symbol.
* manual/argp.texi: Remove qsort @acu* annotation.
* manual/locale.texi: Likewise.
* manual/search.texi: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be32755802647035de2ac48dc6cf7bed8ade1cda
commit be32755802647035de2ac48dc6cf7bed8ade1cda
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Aug 31 20:24:03 2017 -0300
benchtests: Add bench-qsort
This patch adds a qsort benchmark. I tried to model the benchmark taking
in
consideration the possible input variation in both internal element size,
element numbers, and internal state for 1. real word cases and 2. possible
scenarios based on hardware characteristics.
For 1. I tracked qsort usage (using a simple preload library to dump its
usage
and a script to pos-process it) on both GCC bootstrap and Firefox. GCC 8
bootstrap build shows 51786641 call to qsort with the following
characterics:
Key: number of elements:
key=2 : 39.74
key=3 : 19.23
key=4 : 9.77
key=1 : 8.44
key=0 : 6.60
key=5 : 4.40
key=7 : 2.37
key=6 : 2.25
key=9 : 1.48
key=8 : 0.97
Key: element size in bytes:
key=8 : 91.74
key=32 : 3.62
key=4 : 2.42
key=40 : 1.20
key=16 : 0.67
key=24 : 0.30
key=48 : 0.05
key=56 : 0.00
key=1 : 0.00
Key: total size (number of elements * element size):
key=16 : 35.98
key=24 : 18.67
key=32 : 9.79
key=8 : 8.28
key=0 : 6.60
key=40 : 4.21
key=64 : 3.15
key=48 : 2.24
key=56 : 2.15
key=80 : 1.45
So for GCC:
- 80% of total qsort usage are done with 10 elements of less.
- All usages are done element size of maximum of 56 bytes.
- 90% of calls are done with array of maximum size of 80 bytes or less.
The Firefox usage was done with 2 hours of usage, with first 10 minutes
activelly
openning and closing different types of sites. It resulted in 21042 calls
with
following characteristics:
Key: number of elements:
key=7 : 24.40
key=1 : 10.44
key=3 : 6.33
key=4 : 5.81
key=2 : 5.46
key=6 : 4.80
key=17 : 4.54
key=0 : 3.07
key=5 : 3.05
key=9 : 2.51
key=12 : 2.06
Key: element size in bytes:
key=8 : 94.49
key=28 : 4.40
key=2 : 0.70
key=16 : 0.19
key=36 : 0.07
key=12 : 0.07
key=40 : 0.07
key=24 : 0.03
Key: total size (number of elements * element size):
key=56 : 24.20
key=8 : 10.27
key=24 : 6.36
key=32 : 5.86
key=16 : 5.46
key=48 : 4.80
key=476 : 3.75
key=0 : 3.07
key=40 : 3.05
key=72 : 2.50
So for Firefox:
- 72% of total qsort usage are done with 18 elements of less.
- All usages are done element size of maximum of 40 bytes.
- 70% of calls are done with array of maximum size of 476 bytes or less.
For 2. I used the idea of a machine with 3 levels of cache with sizes
L1 32kb, L2 256kb, and L3 4096Kb.
It resulted in a benchmark with following traits:
* It checks four types of input arrays: sorted, mostly sorted, unsorted,
and
repeated. For 'sorted' the array is already sorted, 'mostly sorted'
the
array will have a certain number of random elements with random values
(current ratio used is 20%), for 'unsorted' the array will contain
random
elements from full range based on used type, and for 'repeated' the
array
will have random elements with a certain number (current ratio is 20%)
of
a repeated element distributed randomly.
* Three elements sizes are checked: uint32_t, uint64_t, and an element
with
32 bytes (but using the uint64_t comparison checks). These element
sizes
are used to 1. to avoid include the comparison function itself and/or
memory copy in sort benchmark itself, and 2. because key of size_t are
the
most used for both GCC and Firefox.
* Five different element numbers: 64 (which cover mostly of used element
sizes for both GCC and Firefox), 4096/8192 (which cover 32 KB of L1 for
32 and 64 bits), 32768/65536 (L2 with 256 KB), and 24288/1048576 (L3
with
4 MB). The sizes are configurable by --nelem option.
Checked on x86_64-linux-gnu
* benchtests/Makefile (stdlib-benchset): Add qsort.
* benchtests/bench-qsort.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=55365d62b7f86c00ddf1554289938e5ac795683b
commit 55365d62b7f86c00ddf1554289938e5ac795683b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 15 09:20:30 2018 -0200
stdlib: Add more qsort{_r} coverage
This patch adds a qsort and qsort_t (which glibc current lacks
coverage). The test check with random input (created using support
random) with different internal types (uint8_t, uint16_t, uint32_t,
and uint64_t) and with different set of element numbers (from 0
to 262144).
Checked on x86_64-linux-gnu.
* stdlib/tst-qsort3.c: New file.
* stdlib/Makefile (tests): Add tst-qsort3.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67d73eff7657b74ac1f42c85ce9892d0ad39ff8d
commit 67d73eff7657b74ac1f42c85ce9892d0ad39ff8d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 25 10:53:13 2017 -0200
support: Add pseudo-random number generator interface
This is based on POSIX mrand48 and the interfaces provided is just
to wrap around common usages (buffer fill and uniform distribution).
Although better PNRGs exists, the already in place POSIXs one is
used for simplicity and because a better de factor one is being
discussed for inclusion (arc4random based on AES-CTR). Ideally it
would replace the mrand48 usage for this interface.
Checked on x86_64-linux-gnu.
* support/Makefile (libsupport-routines): Add support_random.
(tests): Add tst-support_random.
* support/support_random.c: New file.
* support/support_random.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f4ff21990502b3420689620f9f67631e25d27dc
commit 8f4ff21990502b3420689620f9f67631e25d27dc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 15 09:49:37 2017 -0200
stdlib: Adjust tst-qsort{2} to libsupport
* stdlib/tst-qsort.c: Use libsupport.
* stdlib/tst-qsort2.c: Likewise.
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Subject: [Bug libc/21719] stdlib/msort : optimizing merge sort
Date: Fri, 31 Aug 2018 19:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21719
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/qsort-refactor has been created
at f425f5ac83e55d218610a048c9134ded93e06914 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f425f5ac83e55d218610a048c9134ded93e06914
commit f425f5ac83e55d218610a048c9134ded93e06914
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 14:24:53 2018 -0200
stdlib: Remove undefined behavior from qsort implementation
Internally qsort is implemented on top of __qsort_r by casting the
function pointer to another type (__compar_fn_t tp __compar_d_fn_t)
and passing a NULL extra argument. Casting function pointer with
different types for subsequent function call is undefined-behaviour
(C11 6.3.2.3):
"[8] A pointer to a function of one type may be converted to a pointer
to a function of another type and back again; the result shall compare
equal to the original pointer. If a converted pointer is used to call
a function whose type is not compatible with the referenced type,
the behavior is undefined."
Also 'compatible' in this case also does not apply according to
6.7.6.3 Function declarators (including prototypes):
"[15] For two function types to be compatible, both shall specify
compatible return types. (146) Moreover, the parameter type lists,
if both are present, shall agree in the number of parameters and
in use of the ellipsis terminator; corresponding parameters shall
have compatible types. [...]"
Although this works on all architectures glibc supports (mostly because
it casts function pointers with similar calling conventions), I think
it is worth to avoid it. This patch fixes it by adding a common
implementation (qsort_common.c) which redefines the function based
on the required types.
For x86_64 (i7-4790K, gcc 7.2.1) shows a slight better performance
for qsort:
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1304 | 1257 | -3.60
4096| 330707 | 302235 | -8.61
32768| 3300210 | 3020728 | -8.47
524288| 65673289 | 59306436 | -9.69
Repeated
nmemb | base | patched | diff
32| 1885 | 1873 | -0.64
4096| 951490 | 904864 | -4.90
32768| 9272366 | 8542801 | -7.87
524288| 183337854 | 168426795 | -8.13
MostlySorted
nmemb | base | patched | diff
32| 1836 | 1776 | -3.27
4096| 758359 | 709937 | -6.39
32768| 7199982 | 6855890 | -4.78
524288| 139242170 | 129385161 | -7.08
Unsorted
nmemb | base | patched | diff
32| 2073 | 1941 | -6.37
4096| 1058383 | 969021 | -8.44
32768| 10310116 | 9462116 | -8.22
524288| 202427388 | 186560908 | -7.84
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1224 | 1205 | -1.55
4096| 336100 | 325554 | -3.14
32768| 3539890 | 3264125 | -7.79
524288| 67268510 | 66107684 | -1.73
Repeated
nmemb | base | patched | diff
32| 2096 | 2118 | 1.05
4096| 1015585 | 979114 | -3.59
32768| 9871981 | 9028606 | -8.54
524288| 189710172 | 174903867 | -7.80
MostlySorted
nmemb | base | patched | diff
32| 2318 | 2346 | 1.21
4096| 805051 | 759158 | -5.70
32768| 8346363 | 7810444 | -6.42
524288| 143597264 | 135900146 | -5.36
Unsorted
nmemb | base | patched | diff
32| 2364 | 2301 | -2.66
4096| 1076998 | 1014018 | -5.85
32768| 10442153 | 9888078 | -5.31
524288| 206235337 | 192479957 | -6.67
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 1214 | 1184 | -2.47
4096| 332449 | 325865 | -1.98
32768| 3313274 | 3331750 | 0.56
524288| 70786673 | 69067176 | -2.43
Repeated
nmemb | base | patched | diff
32| 4913 | 4813 | -2.04
4096| 1693735 | 1624137 | -4.11
32768| 17054760 | 15896739 | -6.79
524288| 332149265 | 316328778 | -4.76
MostlySorted
nmemb | base | patched | diff
32| 5490 | 5332 | -2.88
4096| 1394312 | 1312703 | -5.85
32768| 12743599 | 12360726 | -3.00
524288| 240249011 | 231603294 | -3.60
Unsorted
nmemb | base | patched | diff
32| 6251 | 6047 | -3.26
4096| 1959306 | 1695241 | -13.48
32768| 17204840 | 16430388 | -4.50
524288| 342716199 | 329496913 | -3.86
Checked on x86_64-linux-gnu.
* stdlib/qsort.c: Move common code to stdlib/qsort_common.c
and parametrize the function definition based wether to use
the '_r' variant.
* stdlib/qsort_common.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=71ed300d4b967465f4a56cb45295046811c7f9b9
commit 71ed300d4b967465f4a56cb45295046811c7f9b9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 11:19:15 2018 -0200
stdlib: Optimization qsort{_r} swap implementation
This patchs adds a optimized swap operation on qsort based in previous
msort one. Instead of byte operation, three variants are provided:
1. Using uint32_t loads and stores.
2. Using uint64_t loads and stores.
3. Generic one with a temporary buffer and memcpy/mempcpy.
The 1. and 2. option are selected only either if architecture defines
_STRING_ARCH_unaligned or if base pointer is aligned to required type.
This is due based on data for bench-qsort, usually programs calls
qsort with array with multiple of machine word as element size.
Benchmarking shows an increase performance:
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 2512 | 1858 | -26.04
4096 | 825039 | 702725 | -14.83
32768 | 7227910 | 6665149 | -7.79
524288 | 141602678 | 137332279 | -3.02
Repeated
nmemb | base | patched | diff
32 | 1948 | 2053 | 5.39
4096 | 973735 | 880246 | -9.60
32768 | 9695857 | 8501170 | -12.32
524288 | 184086492 | 170832127 | -7.20
Sorted
nmemb | base | patched | diff
32 | 3163 | 3800 | 20.14
4096 | 712679 | 618425 | -13.23
32768 | 3198064 | 3121069 | -2.41
524288 | 62327097 | 62135963 | -0.31
Unsorted
nmemb | base | patched | diff
32 | 2243 | 2036 | -9.23
4096 | 1035615 | 959467 | -7.35
32768 | 10077407 | 9268030 | -8.03
524288 | 198242838 | 182920727 | -7.73
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 2218 | 1737 | -21.69
4096 | 859333 | 725539 | -15.57
32768 | 7843666 | 6543577 | -16.58
524288 | 150404586 | 125632826 | -16.47
Repeated
nmemb | base | patched | diff
32 | 2484 | 1799 | -27.58
4096 | 1028579 | 887522 | -13.71
32768 | 10355933 | 8441606 | -18.49
524288 | 197692669 | 166863090 | -15.59
Sorted
nmemb | base | patched | diff
32 | 1159 | 1108 | -4.40
4096 | 284228 | 285501 | 0.45
32768 | 2816725 | 2796568 | -0.72
524288 | 56171914 | 55222756 | -1.69
Unsorted
nmemb | base | patched | diff
32 | 2627 | 2181 | -16.98
4096 | 1113614 | 965834 | -13.27
32768 | 10833759 | 9796429 | -9.57
524288 | 213615135 | 183258605 | -14.21
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 4428 | 5050 | 14.05
4096 | 1478246 | 1095604 | -25.88
32768 | 12657783 | 10235439 | -19.14
524288 | 254235649 | 185929218 | -26.87
Repeated
nmemb | base | patched | diff
32 | 5087 | 3453 | -32.12
4096 | 1715554 | 1254764 | -26.86
32768 | 17183223 | 11983349 | -30.26
524288 | 337323090 | 240349163 | -28.75
Sorted
nmemb | base | patched | diff
32 | 1172 | 1737 | 48.21
4096 | 284651 | 312751 | 9.87
32768 | 2795492 | 2792345 | -0.11
524288 | 59840778 | 60216689 | 0.63
Unsorted
nmemb | base | patched | diff
32 | 5427 | 4212 | -22.39
4096 | 1817705 | 1360557 | -25.15
32768 | 17388618 | 13014313 | -25.16
524288 | 349929708 | 256942681 | -26.57
Checked on x86_64-linux-gnu.
[BZ #19305].
* stdlib/qsort.c (SWAP): Remove.
(check_alignment, swap_u32, swap_u64, swap_generic,
select_swap_func): New functions.
(__qsort_r):
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=324cef4857ae1c420539a434d5de92f389a6b8d3
commit 324cef4857ae1c420539a434d5de92f389a6b8d3
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 10:49:43 2018 -0200
stdlib: Remove use of mergesort on qsort
This patch removes the mergesort optimization on qsort{_r} implementation
and use the quicksort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have a O(1) space
implementation.
- The malloc for certain element size and element number adds arbitrary
latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation relies
on system information that might be virtualized (for instance VMs with
overcommit memory) which might leads to potentially use of swap even
if system advertise more memory than actually has. The check also have
the downside of issuing syscalls where none is expected (although only
once per execution).
- The mergesort is suboptimal on already sorted array (BZ#21719).
The quicksort implementation is already optimized to use constant extra
space (due the limit of total number of elements from maximum VM size)
and thus can be used to avoid the malloc usage issues.
Using bench-qsort (i7-4510U, gcc 7.1.1) shows the performance difference
between mergesort (base) and quicksort (patched):
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 1727 | 2512 | 45.45
4096 | 490729 | 825039 | 68.13
32768 | 5062570 | 7227910 | 42.77
524288 | 99397572 | 141602678 | 42.46
Repeated
nmemb | base | patched | diff
32 | 2014 | 1948 | -3.28
4096 | 836096 | 973735 | 16.46
32768 | 8288515 | 9695857 | 16.98
524288 | 171234266 | 184086492 | 7.51
Sorted
nmemb | base | patched | diff
32 | 1508 | 3163 | 109.75
4096 | 279452 | 712679 | 155.03
32768 | 2389989 | 3198064 | 33.81
524288 | 46684810 | 62327097 | 33.51
Unsorted
nmemb | base | patched | diff
32 | 2166 | 2243 | 3.55
4096 | 969238 | 1035615 | 6.85
32768 | 8782888 | 10077407 | 14.74
524288 | 180907441 | 198242838 | 9.58
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 1537 | 2218 | 44.31
4096 | 464279 | 859333 | 85.09
32768 | 5181208 | 7843666 | 51.39
524288 | 102380344 | 150404586 | 46.91
Repeated
nmemb | base | patched | diff
32 | 1712 | 2484 | 45.09
4096 | 833519 | 1028579 | 23.40
32768 | 8642878 | 10355933 | 19.82
524288 | 175210230 | 197692669 | 12.83
Sorted
nmemb | base | patched | diff
32 | 1237 | 1159 | -6.31
4096 | 236972 | 284228 | 19.94
32768 | 2282819 | 2816725 | 23.39
524288 | 48007437 | 56171914 | 17.01
Unsorted
nmemb | base | patched | diff
32 | 1861 | 2627 | 41.16
4096 | 879328 | 1113614 | 26.64
32768 | 9186338 | 10833759 | 17.93
524288 | 187880836 | 213615135 | 13.70
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 6446 | 4428 | -31.31
4096 | 1565811 | 1478246 | -5.59
32768 | 16474957 | 12657783 | -23.17
524288 | 364464135 | 254235649 | -30.24
Repeated
nmemb | base | patched | diff
32 | 5544 | 5087 | -8.24
4096 | 2030560 | 1715554 | -15.51
32768 | 21053028 | 17183223 | -18.38
524288 | 451659503 | 337323090 | -25.31
Sorted
nmemb | base | patched | diff
32 | 3668 | 1172 | -68.05
4096 | 878063 | 284651 | -67.58
32768 | 9071819 | 2795492 | -69.18
524288 | 192633325 | 59840778 | -68.94
Unsorted
nmemb | base | patched | diff
32 | 4906 | 5427 | 10.62
4096 | 2044417 | 1817705 | -11.09
32768 | 21885590 | 17388618 | -20.55
524288 | 477850312 | 349929708 | -26.77
The result shows an increase in latency, and some performance difference is
due
the fact mergesort uses a slight improved swap operation than quicksort
(which
a following patch addresses it). This change also renders the BZ #21719
fix
unrequired (since it is meeant to fix the sorted input performance
degradation
for mergesort). The manual is also updated to indicate the function is now
async-cancel safe.
Checked on x86_64-linux-gnu.
[BZ #21719]
* stdlib/Makefile (routines): Remove msort.
(CFLAGS-msort.c): Remove rule.
* stdlib/msort.c: Remove file.
* stdlib/qsort.c (_quicksort): Rename to __qsort_r and add weak_alias
to qsort_r.
(qsort): New symbol.
* manual/argp.texi: Remove qsort @acu* annotation.
* manual/locale.texi: Likewise.
* manual/search.texi: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be32755802647035de2ac48dc6cf7bed8ade1cda
commit be32755802647035de2ac48dc6cf7bed8ade1cda
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Aug 31 20:24:03 2017 -0300
benchtests: Add bench-qsort
This patch adds a qsort benchmark. I tried to model the benchmark taking
in
consideration the possible input variation in both internal element size,
element numbers, and internal state for 1. real word cases and 2. possible
scenarios based on hardware characteristics.
For 1. I tracked qsort usage (using a simple preload library to dump its
usage
and a script to pos-process it) on both GCC bootstrap and Firefox. GCC 8
bootstrap build shows 51786641 call to qsort with the following
characterics:
Key: number of elements:
key=2 : 39.74
key=3 : 19.23
key=4 : 9.77
key=1 : 8.44
key=0 : 6.60
key=5 : 4.40
key=7 : 2.37
key=6 : 2.25
key=9 : 1.48
key=8 : 0.97
Key: element size in bytes:
key=8 : 91.74
key=32 : 3.62
key=4 : 2.42
key=40 : 1.20
key=16 : 0.67
key=24 : 0.30
key=48 : 0.05
key=56 : 0.00
key=1 : 0.00
Key: total size (number of elements * element size):
key=16 : 35.98
key=24 : 18.67
key=32 : 9.79
key=8 : 8.28
key=0 : 6.60
key=40 : 4.21
key=64 : 3.15
key=48 : 2.24
key=56 : 2.15
key=80 : 1.45
So for GCC:
- 80% of total qsort usage are done with 10 elements of less.
- All usages are done element size of maximum of 56 bytes.
- 90% of calls are done with array of maximum size of 80 bytes or less.
The Firefox usage was done with 2 hours of usage, with first 10 minutes
activelly
openning and closing different types of sites. It resulted in 21042 calls
with
following characteristics:
Key: number of elements:
key=7 : 24.40
key=1 : 10.44
key=3 : 6.33
key=4 : 5.81
key=2 : 5.46
key=6 : 4.80
key=17 : 4.54
key=0 : 3.07
key=5 : 3.05
key=9 : 2.51
key=12 : 2.06
Key: element size in bytes:
key=8 : 94.49
key=28 : 4.40
key=2 : 0.70
key=16 : 0.19
key=36 : 0.07
key=12 : 0.07
key=40 : 0.07
key=24 : 0.03
Key: total size (number of elements * element size):
key=56 : 24.20
key=8 : 10.27
key=24 : 6.36
key=32 : 5.86
key=16 : 5.46
key=48 : 4.80
key=476 : 3.75
key=0 : 3.07
key=40 : 3.05
key=72 : 2.50
So for Firefox:
- 72% of total qsort usage are done with 18 elements of less.
- All usages are done element size of maximum of 40 bytes.
- 70% of calls are done with array of maximum size of 476 bytes or less.
For 2. I used the idea of a machine with 3 levels of cache with sizes
L1 32kb, L2 256kb, and L3 4096Kb.
It resulted in a benchmark with following traits:
* It checks four types of input arrays: sorted, mostly sorted, unsorted,
and
repeated. For 'sorted' the array is already sorted, 'mostly sorted'
the
array will have a certain number of random elements with random values
(current ratio used is 20%), for 'unsorted' the array will contain
random
elements from full range based on used type, and for 'repeated' the
array
will have random elements with a certain number (current ratio is 20%)
of
a repeated element distributed randomly.
* Three elements sizes are checked: uint32_t, uint64_t, and an element
with
32 bytes (but using the uint64_t comparison checks). These element
sizes
are used to 1. to avoid include the comparison function itself and/or
memory copy in sort benchmark itself, and 2. because key of size_t are
the
most used for both GCC and Firefox.
* Five different element numbers: 64 (which cover mostly of used element
sizes for both GCC and Firefox), 4096/8192 (which cover 32 KB of L1 for
32 and 64 bits), 32768/65536 (L2 with 256 KB), and 24288/1048576 (L3
with
4 MB). The sizes are configurable by --nelem option.
Checked on x86_64-linux-gnu
* benchtests/Makefile (stdlib-benchset): Add qsort.
* benchtests/bench-qsort.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=55365d62b7f86c00ddf1554289938e5ac795683b
commit 55365d62b7f86c00ddf1554289938e5ac795683b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 15 09:20:30 2018 -0200
stdlib: Add more qsort{_r} coverage
This patch adds a qsort and qsort_t (which glibc current lacks
coverage). The test check with random input (created using support
random) with different internal types (uint8_t, uint16_t, uint32_t,
and uint64_t) and with different set of element numbers (from 0
to 262144).
Checked on x86_64-linux-gnu.
* stdlib/tst-qsort3.c: New file.
* stdlib/Makefile (tests): Add tst-qsort3.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67d73eff7657b74ac1f42c85ce9892d0ad39ff8d
commit 67d73eff7657b74ac1f42c85ce9892d0ad39ff8d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 25 10:53:13 2017 -0200
support: Add pseudo-random number generator interface
This is based on POSIX mrand48 and the interfaces provided is just
to wrap around common usages (buffer fill and uniform distribution).
Although better PNRGs exists, the already in place POSIXs one is
used for simplicity and because a better de factor one is being
discussed for inclusion (arc4random based on AES-CTR). Ideally it
would replace the mrand48 usage for this interface.
Checked on x86_64-linux-gnu.
* support/Makefile (libsupport-routines): Add support_random.
(tests): Add tst-support_random.
* support/support_random.c: New file.
* support/support_random.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f4ff21990502b3420689620f9f67631e25d27dc
commit 8f4ff21990502b3420689620f9f67631e25d27dc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 15 09:49:37 2017 -0200
stdlib: Adjust tst-qsort{2} to libsupport
* stdlib/tst-qsort.c: Use libsupport.
* stdlib/tst-qsort2.c: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23597] support/test-container.c doesn't work with different filesystems
Date: Fri, 31 Aug 2018 20:27:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=81b9d87bae23efc42e2121ac066fe38fceb96124
commit 81b9d87bae23efc42e2121ac066fe38fceb96124
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 31 13:07:47 2018 -0700
test-container: Use xcopy_file_range for cross-device copy [BZ #23597]
copy_file_range can't be used to copy a file from glibc source directory
to glibc build directory since they may be on different filesystems.
This patch adds xcopy_file_range for cross-device copy.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23597]
* support/Makefile (libsupport-routines): Add
support_copy_file_range and xcopy_file_range.
* support/support.h: Include <sys/types.h>.
(support_copy_file_range): New prototype.
* support/support_copy_file_range.c: New file. Copied and
modified from io/copy_file_range-compat.c.
* support/test-container.c (copy_one_file): Call xcopy_file_rang
instead of copy_file_range.
* support/xcopy_file_range.c: New file.
* support/xunistd.h (xcopy_file_range): New prototype.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 ++
support/Makefile | 2 +
support/support.h | 5 +
support/support_copy_file_range.c | 143 ++++++++++++++++++++
support/test-container.c | 3 +-
.../xcopy_file_range.c | 28 ++---
support/xunistd.h | 3 +
7 files changed, 179 insertions(+), 19 deletions(-)
create mode 100644 support/support_copy_file_range.c
copy elf/tst-absolute-zero.c => support/xcopy_file_range.c (69%)
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Subject: [Bug build/23597] support/test-container.c doesn't work with different filesystems
Date: Fri, 31 Aug 2018 20:51:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.29.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23602] New: The locale command line utility is not internationalized correctly
Date: Fri, 31 Aug 2018 21:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23602
Bug ID: 23602
Summary: The locale command line utility is not
internationalized correctly
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
Target Milestone: ---
When you type:
locale --help
on the command line and your default locale is English then you get the
description in English. That's correct. But you can switch the locale easily:
LC_ALL=de_DE.utf8 locale --help
LC_ALL=es_ES.utf8 locale --help
LC_ALL=pl_PL.utf8 locale --help
and you still get English despite the translation is correctly provided.
It's really ironic that the locale command line utility which is meant to
provide the locale information does not handle its own internationalization
correctly. :-)
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Subject: [Bug locale/23602] The locale command line utility is not internationalized correctly
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |WORKSFORME
--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Sorry for the noise. This is not an upstream glibc bug, only Fedora packaging
bug: it does not provide the libc.mo file unless the proper langpack file is
installed. Filed downstream:
https://bugzilla.redhat.com/show_bug.cgi?id=1624528
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/20271] Missing "\n" in __libc_fatal calls
Date: Sat, 01 Sep 2018 01:05:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6e8926f8d49a213a9abb1a61f6af964f612ab7f
commit a6e8926f8d49a213a9abb1a61f6af964f612ab7f
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Fri Aug 31 18:04:32 2018 -0700
[BZ #20271] Add newlines in __libc_fatal calls.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 +++++++++++++++++++++
grp/initgroups.c | 2 +-
include/stdio.h | 3 +-
nptl/pthread_cond_wait.c | 2 +-
nscd/initgrcache.c | 2 +-
nss/nsswitch.c | 2 +-
sysdeps/aarch64/dl-irel.h | 2 +-
sysdeps/arm/dl-irel.h | 2 +-
sysdeps/generic/unwind-dw2.c | 2 +-
sysdeps/i386/dl-irel.h | 2 +-
sysdeps/nptl/futex-internal.h | 2 +-
sysdeps/powerpc/powerpc32/dl-irel.h | 2 +-
sysdeps/powerpc/powerpc64/dl-irel.h | 2 +-
sysdeps/s390/dl-irel.h | 2 +-
sysdeps/sparc/sparc32/dl-irel.h | 2 +-
sysdeps/sparc/sparc64/dl-irel.h | 2 +-
sysdeps/unix/sysv/linux/netlink_assert_response.c | 4 +-
sysdeps/x86_64/dl-irel.h | 2 +-
18 files changed, 41 insertions(+), 18 deletions(-)
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Subject: [Bug libc/20271] Missing "\n" in __libc_fatal calls
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
I think I got them all.
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Subject: [Bug dynamic-link/14015] _dlerror_run leaks memory when called by dlsym
Date: Sat, 01 Sep 2018 07:13:00 -0000
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Yann Droneaud <yann at droneaud dot fr> changed:
What |Removed |Added
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CC| |yann at droneaud dot fr
--- Comment #4 from Yann Droneaud <yann at droneaud dot fr> ---
This issue is fixed as part of bug #23329
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>From glibc-bugs-return-43109-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 01 07:14:10 2018
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Subject: [Bug dynamic-link/12878] dlfcn _dlerror_run leaks memory
Date: Sat, 01 Sep 2018 07:14:00 -0000
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Yann Droneaud <yann at droneaud dot fr> changed:
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--- Comment #5 from Yann Droneaud <yann at droneaud dot fr> ---
This issue is fixed as part of bug #23329
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>From glibc-bugs-return-43110-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 01 23:29:23 2018
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Subject: [Bug libc/23524] Crosscompiling from a 32-bit platform to x86_64-linux fails
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--- Comment #6 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Misconfigured GCC.
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>From glibc-bugs-return-43112-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 01 23:51:54 2018
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Subject: [Bug libc/23603] mktime signed integer overflow on large timestamps
Date: Sat, 01 Sep 2018 23:51:00 -0000
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--- Comment #1 from eggert at cs dot ucla.edu ---
Created attachment 11222
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[PATCH 1/2] Merge mktime, timegm from upstream Gnulib
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Subject: [Bug libc/23603] New: mktime signed integer overflow on large timestamps
Date: Sat, 01 Sep 2018 23:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
Bug ID: 23603
Summary: mktime signed integer overflow on large timestamps
Product: glibc
Version: 2.28
Status: UNCONFIRMED
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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Created attachment 11221
--> https://sourceware.org/bugzilla/attachment.cgi?id=11221&action=edit
test program that triggers signed integer overflow inside mktime
glibc's mktime implementation uses signed integer overflow, which is undefined
behavior in C. The overflow occurs when a date far in the past or future is
given, and can occur even with in-range timestamps if they are just inside
time_t extrema. The bug is in the innards of __mktime_internal, so there's a
similar bug in timegm.
The attached test program mktime-bug.c illustrates the bug. Compile and run it
on a 32-bit platform (I used 'gcc -m32 mktime-bug.c' on Fedora 28 x86-64). Run
the program with the command './a.out 2039-01-01 00:00:00' and single-step
through the function ydhms_diff in mktime.c. It will execute this statement on
line 222:
time_t seconds = 60 * minutes + sec1 - sec0;
with 'minutes' having the value 36290880. On a 32-bit machine, 60 * 36290880
overflows. Although the mktime code later detects this overflow on i386
(because it assumes signed integer overflow wraps around), the code is relying
on undefined behavior and as GCC gets smarter glibc could get into trouble, if
it isn't in trouble already. The above statement is not the only place the
overflow can occur.
I fixed this problem a couple of years ago upstream in Gnulib, and the fix has
been tested in GNU coreutils and other utilities when running on a variety of
non-glibc platforms. Now's a good time to migrate the fix back down to glibc,
since glibc is needing changes in this area for the planned __time64_t support
anyway, and fixing the problem in glibc will simplify those changes.
I'll attach two patches to fix this. The first one copies the files mktime.c
and timegm.c from Gnulib and copies a new file intprops.h from Gnulib, which
works around portability issues with compilers (including GCC 4) that do not
support __builtin_add_overflow and friends, by defining substitute macros like
INT_ADD_WRAPV that expand to __builtin_add_overflow with GCC 5 and later, and
to complicated-but-still-valid expressions with GCC 4. Although some qualms
have been expressed about the complexity of the GCC 4 expressions, I've checked
them carefully and they expand to correct and fast-enough machine calculations
so they should be OK.
The second patch is relatively minor: it fixes some confusion between time_t
and long that won't make much difference now but will simplify the time64_t
changes later.
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>From glibc-bugs-return-43113-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 01 23:52:26 2018
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Subject: [Bug libc/23603] mktime signed integer overflow on large timestamps
Date: Sat, 01 Sep 2018 23:52:00 -0000
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--- Comment #2 from eggert at cs dot ucla.edu ---
Created attachment 11223
--> https://sourceware.org/bugzilla/attachment.cgi?id=11223&action=edit
[PATCH 2/2] Fix mktime localtime offset confusion
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>From glibc-bugs-return-43114-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 01 23:57:41 2018
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Subject: [Bug dynamic-link/22851] ld library ELF load error
Date: Sat, 01 Sep 2018 23:57:00 -0000
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--- Comment #4 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
> If attacker can ask ld library to load special crafted ELF file it can get code execution
It seems to me that creating a specially crafted ELF is a complicated way to
achieve what can be *trivially* achieved by creating a DSO with an initializer
(DT_INIT).
If you can ask for "random" DSO to be loaded, then that DSO's initializer can
do *anything*, and you've already lost.
I think this bug should be closed as invalid.
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>From glibc-bugs-return-43115-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 02 02:25:50 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21777] use of pthread_getspecific, pthread_setspecific in a statically linked program leads to a crash before main
Date: Sun, 02 Sep 2018 02:25:00 -0000
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-09-02
CC| |ppluzhnikov at google dot com
Ever confirmed|0 |1
--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Trivial reproducer:
#include <assert.h>
#include <pthread.h>
pthread_key_t k;
int main (int argc, char *argv[])
{
int rc;
rc = pthread_key_create (&k, NULL);
assert (rc == 0);
rc = pthread_setspecific(k, NULL);
assert (rc == 0);
return 0;
}
Using current trunk:
(gdb) run
Starting program: /build/nptl/tst-bz21777-static
Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x0000000000478215 in __gthread_mutex_lock (__mutex=0x6a7380
<object_mutex>) at ./gthr-default.h:748
#2 __register_frame_info_bases (begin=<optimized out>, ob=0x6a2300 <object>,
tbase=<optimized out>, dbase=<optimized out>) at
../../../libgcc/unwind-dw2-fde.c:103
#3 0x0000000000400b3d in frame_dummy ()
#4 0x0000000000000001 in ?? ()
#5 0x000000000040197c in __libc_csu_init (argc=-9616, argc@entry=1,
argv=argv@entry=0x7fffffffdbe8, envp=0x7fffffffdbf8) at elf-init.c:88
#6 0x00000000004011a0 in __libc_start_main (main=0x400540 <main>, argc=1,
argv=0x7fffffffdbe8, init=0x401900 <__libc_csu_init>, fini=0x4019a0
<__libc_csu_fini>, rtld_fini=0x0, stack_end=0x7fffffffdbd8) at
../csu/libc-start.c:264
#7 0x0000000000400a6a in _start () at ../sysdeps/x86_64/start.S:120
(gdb) up
#1 0x0000000000478215 in __gthread_mutex_lock (__mutex=0x6a7380
<object_mutex>) at ./gthr-default.h:748
748 return __gthrw_(pthread_mutex_lock) (__mutex);
(gdb) disas
Dump of assembler code for function __register_frame_info_bases:
0x00000000004781e0 <+0>: cmpq $0x0,0x227d60(%rip) # 0x69ff48
0x00000000004781e8 <+8>: movq $0xffffffffffffffff,(%rsi)
0x00000000004781ef <+15>: mov %rdx,0x8(%rsi)
0x00000000004781f3 <+19>: mov %rcx,0x10(%rsi)
0x00000000004781f7 <+23>: mov %rdi,0x18(%rsi)
0x00000000004781fb <+27>: movq $0x7f8,0x20(%rsi)
0x0000000000478203 <+35>: je 0x478240
<__register_frame_info_bases+96>
0x0000000000478205 <+37>: push %rbx
0x0000000000478206 <+38>: lea 0x22f173(%rip),%rdi # 0x6a7380
<object_mutex>
0x000000000047820d <+45>: mov %rsi,%rbx
0x0000000000478210 <+48>: callq 0x0 <<<=== weak reference to
pthread_mutex_lock
=> 0x0000000000478215 <+53>: mov 0x22f18d(%rip),%edx # 0x6a73a8
<any_objects_registered>
0x000000000047821b <+59>: mov 0x22f196(%rip),%rax # 0x6a73b8
<unseen_objects>
0x0000000000478222 <+66>: mov %rbx,0x22f18f(%rip) # 0x6a73b8
<unseen_objects>
...
The issue then is that pthread_setspecific is linked in, but pthread_mutex_lock
is not.
Adding -Wl,-u,pthread_mutex_lock -Wl,-u,pthread_mutex_unlock to the link line
fixes the problem.
It would be nice for this to work out of the box, but I am not sure how to
achieve that.
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>From glibc-bugs-return-43116-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 02 02:29:27 2018
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Subject: [Bug dynamic-link/21777] use of pthread_getspecific, pthread_setspecific in a statically linked program leads to a crash before main
Date: Sun, 02 Sep 2018 02:29:00 -0000
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--- Comment #3 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
OTOH, a program that is
- linked statically with libpthread.a and
- calls pthread_setspecific() and
- doesn't call pthread_mutex*
seems like an exceedingly contrived example.
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Subject: [Bug dynamic-link/21777] use of pthread_getspecific, pthread_setspecific in a statically linked program leads to a crash before main
Date: Sun, 02 Sep 2018 09:01:00 -0000
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--- Comment #4 from Bruno Haible <bruno at clisp dot org> ---
(In reply to Paul Pluzhnikov from comment #3)
> - calls pthread_setspecific() and
> - doesn't call pthread_mutex*
>
> seems like an exceedingly contrived example.
Not at all. The comment in the test program explains it:
"To make it multithread-safe, without need for a lock that protects the
already allocated memory, store the allocated memory per thread."
So, pthread_setspecific and pthread_mutex* are different techniques for making
a program multithread-safe. I should be able to pick one without the other.
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Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
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----------------------------------------------------------------------------
Component|libc |time
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
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--- Comment #1 from eggert at cs dot ucla.edu ---
Created attachment 11224
--> https://sourceware.org/bugzilla/attachment.cgi?id=11224&action=edit
patch for mktime low-memory problem
This bug is in the assertion itself, not in the code. The assertion assumes
that tzname[i] is non-null, an assumption false in low-memory situations. A
null tzname[i] indicates merely that the name is unknown. Please try the
attached patch, and see whether it works for you.
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>From glibc-bugs-return-43120-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 02 09:38:18 2018
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Subject: [Bug time/23508] date(1) -I incorrectly prints timezone offset
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--- Comment #1 from eggert at cs dot ucla.edu ---
The 'date' command is part of coreutils, not of glibc, so this bug report
appears to be misdirected. Please write to bug-coreutils@gnu.org instead.
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>From glibc-bugs-return-43121-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 02 09:50:53 2018
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Subject: [Bug dynamic-link/22851] ld library ELF load error
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--- Comment #5 from Ilya Smith <blackzert at gmail dot com> ---
(In reply to Paul Pluzhnikov from comment #4)
> > If attacker can ask ld library to load special crafted ELF file it can get code execution
>
> It seems to me that creating a specially crafted ELF is a complicated way to
> achieve what can be *trivially* achieved by creating a DSO with an
> initializer (DT_INIT).
>
> If you can ask for "random" DSO to be loaded, then that DSO's initializer
> can do *anything*, and you've already lost.
>
> I think this bug should be closed as invalid.
This case just an example, you never know how exactly it will be used. DSO's
initialisers could be checked since everyone knows about it.
This bug is not invalid, since it is exists in the code and works as described.
You can not reject reality.
You may say "Risks of the bug exploitation are very low" and I agree. But you
can't say "there is no bug".
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Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
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--- Comment #1 from eggert at cs dot ucla.edu ---
Thanks for reporting the problem. I inspected the Gnulib (upstream) version of
mktime and verified that the race could cause a signed integer overflow, which
is undefined behavior. I installed the following patch into Gnulib:
http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=1cb440df7dd28fc93c965ec7fb2d4745eb361393
and when this is copied into glibc (see Bug#23603) that should fix the bug in
glibc too.
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Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
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--- Comment #3 from eggert at cs dot ucla.edu ---
Also see Bug#16346; I just installed its fix into Gnulib and this should be
propagated into glibc when Gnulib mktime is copied to glibc.
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>From glibc-bugs-return-43124-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 02 17:58:29 2018
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Subject: [Bug dynamic-link/21777] use of pthread_getspecific, pthread_setspecific in a statically linked program leads to a crash before main
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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--- Comment #5 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
(In reply to Bruno Haible from comment #4)
> So, pthread_setspecific and pthread_mutex* are different techniques for
> making a program multithread-safe.
That's fair.
The problem is in libgcc.
I filed https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87189.
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>From glibc-bugs-return-43125-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 02 19:51:42 2018
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From: "sourceware at sagamusix dot de" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
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--- Comment #2 from Johannes <sourceware at sagamusix dot de> ---
It seems like the patch might be incomplete? In my original report, the
assertion that crashed was "assert (num_types == 1);", which is not handled by
this patch.
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>From glibc-bugs-return-43126-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 03 01:14:14 2018
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
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--- Comment #3 from eggert at cs dot ucla.edu ---
Created attachment 11225
--> https://sourceware.org/bugzilla/attachment.cgi?id=11225&action=edit
patch for tzset low-memory assert bug, and one other thing
(In reply to Johannes from comment #2)
> In my original report, the
> assertion that crashed was "assert (num_types == 1);", which is not handled
> by this patch.
Ah, sorry, I was looking at the wrong assertion (which also has a problem, as
it turns out). Please try the attached patch instead. The first hunk fixes a
non-bug that I discovered while looking into the problem, so I plan to install
these as two different patches, but I figure it's easier if you just see one
patch.
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Subject: [Bug malloc/23593] *** Error in `/tmp/a.out': corrupted double-linked list: 0xb6500460 ***
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Subject: [Bug time/23508] date(1) -I incorrectly prints timezone offset
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
As per comment #2.
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>From glibc-bugs-return-43130-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 03 16:04:40 2018
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Subject: [Bug nptl/5784] Fix static linking with -lpthread.
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--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
*** Bug 21777 has been marked as a duplicate of this bug. ***
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Dup.
*** This bug has been marked as a duplicate of bug 5784 ***
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>From glibc-bugs-return-43131-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 04 18:49:47 2018
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Subject: [Bug libc/19305] qsort() should return early if (nmemb <= 1)
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/qsort-refactor has been created
at 367e56edc8b0a2d2eefbe4875d81caa82fe82654 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=367e56edc8b0a2d2eefbe4875d81caa82fe82654
commit 367e56edc8b0a2d2eefbe4875d81caa82fe82654
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 3 15:30:15 2018 -0300
stdlib: Implement introsort with qsort
This patch adds a introsort implementation on qsort to avoid worse-case
performance of quicksort to O(nlog n). The fallback used is a simple
heapsort based on Linux implementation. As a side note the introsort
implementation is similar the one used on libstdc++ for std::sort.
The performance shown some regression due heapsort usage, as expected:
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 1809 | 2034 | 12.44
4096 | 796888 | 1051955 | 32.01
32768 | 7616495 | 10820159 | 42.06
524288 | 142093487 | 250602727 | 76.36
Repeated
nmemb | base | patched | diff
32 | 1875 | 2046 | 9.12
4096 | 912206 | 1123392 | 23.15
32768 | 8690714 | 10223479 | 17.64
524288 | 171229868 | 287344355 | 67.81
Sorted
nmemb | base | patched | diff
32 | 1367 | 1354 | -0.95
4096 | 341229 | 1153712 | 238.10
32768 | 3358312 | 10983978 | 227.07
524288 | 66206257 | 232996299 | 251.92
Unsorted
nmemb | base | patched | diff
32 | 2182 | 2209 | 1.24
4096 | 990920 | 1101897 | 11.20
32768 | 10119221 | 11319451 | 11.86
524288 | 188297819 | 295723362 | 57.05
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 1976 | 2061 | 4.30
4096 | 720747 | 1048324 | 45.45
32768 | 7161384 | 10927694 | 52.59
524288 | 133265602 | 264259752 | 98.30
Repeated
nmemb | base | patched | diff
32 | 2123 | 2265 | 6.69
4096 | 913059 | 1124658 | 23.17
32768 | 8785972 | 11353472 | 29.22
524288 | 171667139 | 303675135 | 76.90
Sorted
nmemb | base | patched | diff
32 | 1193 | 1128 | -5.45
4096 | 301818 | 1101787 | 265.05
32768 | 2961904 | 10964479 | 270.18
524288 | 58873679 | 230789472 | 292.01
Unsorted
nmemb | base | patched | diff
32 | 2099 | 2407 | 14.67
4096 | 1024575 | 1154641 | 12.69
32768 | 10017934 | 11635442 | 16.15
524288 | 188778771 | 310044501 | 64.24
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 3864 | 4423 | 14.47
4096 | 1102305 | 1898226 | 72.21
32768 | 9915730 | 19176780 | 93.40
524288 | 193398884 | 478171367 | 147.25
Repeated
nmemb | base | patched | diff
32 | 4636 | 3730 | -19.54
4096 | 1359433 | 1847693 | 35.92
32768 | 13028460 | 19120804 | 46.76
524288 | 251463610 | 571423413 | 127.24
Sorted
nmemb | base | patched | diff
32 | 1223 | 1165 | -4.74
4096 | 310945 | 1922987 | 518.43
32768 | 2975730 | 19160622 | 543.90
524288 | 63995389 | 423600523 | 561.92
Unsorted
nmemb | base | patched | diff
32 | 4612 | 5024 | 8.93
4096 | 1436912 | 1989848 | 38.48
32768 | 14043593 | 20652436 | 47.06
524288 | 269586508 | 641284939 | 137.88
Checked on x86_64-linux-gnu.
* stdlib/qsort.c (lg): New function.
(R_HEAP): New define.
* stdlib/qsort_common.c (R_CMP_ARG_USE): New define.
(R_HEAP): New function: fallback heapsort implementation.
(R_FUNC): Use fallback heapsort if quicksort depth exceeds
2 times log2 of total element number.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d3960af570f708e3f3a6c8a7c2d292f55d4d1da4
commit d3960af570f708e3f3a6c8a7c2d292f55d4d1da4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 14:24:53 2018 -0200
stdlib: Remove undefined behavior from qsort implementation
Internally qsort is implemented on top of __qsort_r by casting the
function pointer to another type (__compar_fn_t tp __compar_d_fn_t)
and passing a NULL extra argument. Casting function pointer with
different types for subsequent function call is undefined-behaviour
(C11 6.3.2.3):
"[8] A pointer to a function of one type may be converted to a pointer
to a function of another type and back again; the result shall compare
equal to the original pointer. If a converted pointer is used to call
a function whose type is not compatible with the referenced type,
the behavior is undefined."
Also 'compatible' in this case also does not apply according to
6.7.6.3 Function declarators (including prototypes):
"[15] For two function types to be compatible, both shall specify
compatible return types. (146) Moreover, the parameter type lists,
if both are present, shall agree in the number of parameters and
in use of the ellipsis terminator; corresponding parameters shall
have compatible types. [...]"
Although this works on all architectures glibc supports (mostly because
it casts function pointers with similar calling conventions), I think
it is worth to avoid it. This patch fixes it by adding a common
implementation (qsort_common.c) which redefines the function based
on the required types.
For x86_64 (i7-4790K, gcc 7.2.1) shows a slight better performance
for qsort:
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1304 | 1257 | -3.60
4096| 330707 | 302235 | -8.61
32768| 3300210 | 3020728 | -8.47
524288| 65673289 | 59306436 | -9.69
Repeated
nmemb | base | patched | diff
32| 1885 | 1873 | -0.64
4096| 951490 | 904864 | -4.90
32768| 9272366 | 8542801 | -7.87
524288| 183337854 | 168426795 | -8.13
MostlySorted
nmemb | base | patched | diff
32| 1836 | 1776 | -3.27
4096| 758359 | 709937 | -6.39
32768| 7199982 | 6855890 | -4.78
524288| 139242170 | 129385161 | -7.08
Unsorted
nmemb | base | patched | diff
32| 2073 | 1941 | -6.37
4096| 1058383 | 969021 | -8.44
32768| 10310116 | 9462116 | -8.22
524288| 202427388 | 186560908 | -7.84
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1224 | 1205 | -1.55
4096| 336100 | 325554 | -3.14
32768| 3539890 | 3264125 | -7.79
524288| 67268510 | 66107684 | -1.73
Repeated
nmemb | base | patched | diff
32| 2096 | 2118 | 1.05
4096| 1015585 | 979114 | -3.59
32768| 9871981 | 9028606 | -8.54
524288| 189710172 | 174903867 | -7.80
MostlySorted
nmemb | base | patched | diff
32| 2318 | 2346 | 1.21
4096| 805051 | 759158 | -5.70
32768| 8346363 | 7810444 | -6.42
524288| 143597264 | 135900146 | -5.36
Unsorted
nmemb | base | patched | diff
32| 2364 | 2301 | -2.66
4096| 1076998 | 1014018 | -5.85
32768| 10442153 | 9888078 | -5.31
524288| 206235337 | 192479957 | -6.67
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 1214 | 1184 | -2.47
4096| 332449 | 325865 | -1.98
32768| 3313274 | 3331750 | 0.56
524288| 70786673 | 69067176 | -2.43
Repeated
nmemb | base | patched | diff
32| 4913 | 4813 | -2.04
4096| 1693735 | 1624137 | -4.11
32768| 17054760 | 15896739 | -6.79
524288| 332149265 | 316328778 | -4.76
MostlySorted
nmemb | base | patched | diff
32| 5490 | 5332 | -2.88
4096| 1394312 | 1312703 | -5.85
32768| 12743599 | 12360726 | -3.00
524288| 240249011 | 231603294 | -3.60
Unsorted
nmemb | base | patched | diff
32| 6251 | 6047 | -3.26
4096| 1959306 | 1695241 | -13.48
32768| 17204840 | 16430388 | -4.50
524288| 342716199 | 329496913 | -3.86
Checked on x86_64-linux-gnu.
* stdlib/qsort.c: Move common code to stdlib/qsort_common.c
and parametrize the function definition based wether to use
the '_r' variant.
* stdlib/qsort_common.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c5a3296e8d81ffe163a206c3c671614cabb9411d
commit c5a3296e8d81ffe163a206c3c671614cabb9411d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 11:19:15 2018 -0200
stdlib: Optimization qsort{_r} swap implementation
This patchs adds a optimized swap operation on qsort based in previous
msort one. Instead of byte operation, three variants are provided:
1. Using uint32_t loads and stores.
2. Using uint64_t loads and stores.
3. Generic one with a temporary buffer and memcpy/mempcpy.
The 1. and 2. option are selected only either if architecture defines
_STRING_ARCH_unaligned or if base pointer is aligned to required type.
This is due based on data for bench-qsort, usually programs calls
qsort with array with multiple of machine word as element size.
Benchmarking shows an increase performance:
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 2512 | 1858 | -26.04
4096 | 825039 | 702725 | -14.83
32768 | 7227910 | 6665149 | -7.79
524288 | 141602678 | 137332279 | -3.02
Repeated
nmemb | base | patched | diff
32 | 1948 | 2053 | 5.39
4096 | 973735 | 880246 | -9.60
32768 | 9695857 | 8501170 | -12.32
524288 | 184086492 | 170832127 | -7.20
Sorted
nmemb | base | patched | diff
32 | 3163 | 3800 | 20.14
4096 | 712679 | 618425 | -13.23
32768 | 3198064 | 3121069 | -2.41
524288 | 62327097 | 62135963 | -0.31
Unsorted
nmemb | base | patched | diff
32 | 2243 | 2036 | -9.23
4096 | 1035615 | 959467 | -7.35
32768 | 10077407 | 9268030 | -8.03
524288 | 198242838 | 182920727 | -7.73
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 2218 | 1737 | -21.69
4096 | 859333 | 725539 | -15.57
32768 | 7843666 | 6543577 | -16.58
524288 | 150404586 | 125632826 | -16.47
Repeated
nmemb | base | patched | diff
32 | 2484 | 1799 | -27.58
4096 | 1028579 | 887522 | -13.71
32768 | 10355933 | 8441606 | -18.49
524288 | 197692669 | 166863090 | -15.59
Sorted
nmemb | base | patched | diff
32 | 1159 | 1108 | -4.40
4096 | 284228 | 285501 | 0.45
32768 | 2816725 | 2796568 | -0.72
524288 | 56171914 | 55222756 | -1.69
Unsorted
nmemb | base | patched | diff
32 | 2627 | 2181 | -16.98
4096 | 1113614 | 965834 | -13.27
32768 | 10833759 | 9796429 | -9.57
524288 | 213615135 | 183258605 | -14.21
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 4428 | 5050 | 14.05
4096 | 1478246 | 1095604 | -25.88
32768 | 12657783 | 10235439 | -19.14
524288 | 254235649 | 185929218 | -26.87
Repeated
nmemb | base | patched | diff
32 | 5087 | 3453 | -32.12
4096 | 1715554 | 1254764 | -26.86
32768 | 17183223 | 11983349 | -30.26
524288 | 337323090 | 240349163 | -28.75
Sorted
nmemb | base | patched | diff
32 | 1172 | 1737 | 48.21
4096 | 284651 | 312751 | 9.87
32768 | 2795492 | 2792345 | -0.11
524288 | 59840778 | 60216689 | 0.63
Unsorted
nmemb | base | patched | diff
32 | 5427 | 4212 | -22.39
4096 | 1817705 | 1360557 | -25.15
32768 | 17388618 | 13014313 | -25.16
524288 | 349929708 | 256942681 | -26.57
Checked on x86_64-linux-gnu.
[BZ #19305].
* stdlib/qsort.c (SWAP): Remove.
(check_alignment, swap_u32, swap_u64, swap_generic,
select_swap_func): New functions.
(__qsort_r):
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9bac00e5f32e8cc2cce3169278c2f69741b50998
commit 9bac00e5f32e8cc2cce3169278c2f69741b50998
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 10:49:43 2018 -0200
stdlib: Remove use of mergesort on qsort
This patch removes the mergesort optimization on qsort{_r} implementation
and use the quicksort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have a O(1) space
implementation.
- The malloc for certain element size and element number adds arbitrary
latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation relies
on system information that might be virtualized (for instance VMs with
overcommit memory) which might leads to potentially use of swap even
if system advertise more memory than actually has. The check also have
the downside of issuing syscalls where none is expected (although only
once per execution).
- The mergesort is suboptimal on already sorted array (BZ#21719).
The quicksort implementation is already optimized to use constant extra
space (due the limit of total number of elements from maximum VM size)
and thus can be used to avoid the malloc usage issues.
Using bench-qsort (i7-4510U, gcc 7.1.1) shows the performance difference
between mergesort (base) and quicksort (patched):
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 1727 | 2512 | 45.45
4096 | 490729 | 825039 | 68.13
32768 | 5062570 | 7227910 | 42.77
524288 | 99397572 | 141602678 | 42.46
Repeated
nmemb | base | patched | diff
32 | 2014 | 1948 | -3.28
4096 | 836096 | 973735 | 16.46
32768 | 8288515 | 9695857 | 16.98
524288 | 171234266 | 184086492 | 7.51
Sorted
nmemb | base | patched | diff
32 | 1508 | 3163 | 109.75
4096 | 279452 | 712679 | 155.03
32768 | 2389989 | 3198064 | 33.81
524288 | 46684810 | 62327097 | 33.51
Unsorted
nmemb | base | patched | diff
32 | 2166 | 2243 | 3.55
4096 | 969238 | 1035615 | 6.85
32768 | 8782888 | 10077407 | 14.74
524288 | 180907441 | 198242838 | 9.58
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 1537 | 2218 | 44.31
4096 | 464279 | 859333 | 85.09
32768 | 5181208 | 7843666 | 51.39
524288 | 102380344 | 150404586 | 46.91
Repeated
nmemb | base | patched | diff
32 | 1712 | 2484 | 45.09
4096 | 833519 | 1028579 | 23.40
32768 | 8642878 | 10355933 | 19.82
524288 | 175210230 | 197692669 | 12.83
Sorted
nmemb | base | patched | diff
32 | 1237 | 1159 | -6.31
4096 | 236972 | 284228 | 19.94
32768 | 2282819 | 2816725 | 23.39
524288 | 48007437 | 56171914 | 17.01
Unsorted
nmemb | base | patched | diff
32 | 1861 | 2627 | 41.16
4096 | 879328 | 1113614 | 26.64
32768 | 9186338 | 10833759 | 17.93
524288 | 187880836 | 213615135 | 13.70
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 6446 | 4428 | -31.31
4096 | 1565811 | 1478246 | -5.59
32768 | 16474957 | 12657783 | -23.17
524288 | 364464135 | 254235649 | -30.24
Repeated
nmemb | base | patched | diff
32 | 5544 | 5087 | -8.24
4096 | 2030560 | 1715554 | -15.51
32768 | 21053028 | 17183223 | -18.38
524288 | 451659503 | 337323090 | -25.31
Sorted
nmemb | base | patched | diff
32 | 3668 | 1172 | -68.05
4096 | 878063 | 284651 | -67.58
32768 | 9071819 | 2795492 | -69.18
524288 | 192633325 | 59840778 | -68.94
Unsorted
nmemb | base | patched | diff
32 | 4906 | 5427 | 10.62
4096 | 2044417 | 1817705 | -11.09
32768 | 21885590 | 17388618 | -20.55
524288 | 477850312 | 349929708 | -26.77
The result shows an increase in latency, and some performance difference is
due
the fact mergesort uses a slight improved swap operation than quicksort
(which
a following patch addresses it). This change also renders the BZ #21719
fix
unrequired (since it is meeant to fix the sorted input performance
degradation
for mergesort). The manual is also updated to indicate the function is now
async-cancel safe.
Checked on x86_64-linux-gnu.
[BZ #21719]
* stdlib/Makefile (routines): Remove msort.
(CFLAGS-msort.c): Remove rule.
* stdlib/msort.c: Remove file.
* stdlib/qsort.c (_quicksort): Rename to __qsort_r and add weak_alias
to qsort_r.
(qsort): New symbol.
* manual/argp.texi: Remove qsort @acu* annotation.
* manual/locale.texi: Likewise.
* manual/search.texi: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f3c14d0a289ddd68812caa328e9acc2cbf2b3b1
commit 3f3c14d0a289ddd68812caa328e9acc2cbf2b3b1
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Aug 31 20:24:03 2017 -0300
benchtests: Add bench-qsort
This patch adds a qsort benchmark. I tried to model the benchmark taking
in
consideration the possible input variation in both internal element size,
element numbers, and internal state for 1. real word cases and 2. possible
scenarios based on hardware characteristics.
For 1. I tracked qsort usage (using a simple preload library to dump its
usage
and a script to pos-process it) on both GCC bootstrap and Firefox. GCC 8
bootstrap build shows 51786641 call to qsort with the following
characterics:
Key: number of elements:
key=2 : 39.74
key=3 : 19.23
key=4 : 9.77
key=1 : 8.44
key=0 : 6.60
key=5 : 4.40
key=7 : 2.37
key=6 : 2.25
key=9 : 1.48
key=8 : 0.97
Key: element size in bytes:
key=8 : 91.74
key=32 : 3.62
key=4 : 2.42
key=40 : 1.20
key=16 : 0.67
key=24 : 0.30
key=48 : 0.05
key=56 : 0.00
key=1 : 0.00
Key: total size (number of elements * element size):
key=16 : 35.98
key=24 : 18.67
key=32 : 9.79
key=8 : 8.28
key=0 : 6.60
key=40 : 4.21
key=64 : 3.15
key=48 : 2.24
key=56 : 2.15
key=80 : 1.45
So for GCC:
- 80% of total qsort usage are done with 10 elements of less.
- All usages are done element size of maximum of 56 bytes.
- 90% of calls are done with array of maximum size of 80 bytes or less.
The Firefox usage was done with 2 hours of usage, with first 10 minutes
activelly
openning and closing different types of sites. It resulted in 21042 calls
with
following characteristics:
Key: number of elements:
key=7 : 24.40
key=1 : 10.44
key=3 : 6.33
key=4 : 5.81
key=2 : 5.46
key=6 : 4.80
key=17 : 4.54
key=0 : 3.07
key=5 : 3.05
key=9 : 2.51
key=12 : 2.06
Key: element size in bytes:
key=8 : 94.49
key=28 : 4.40
key=2 : 0.70
key=16 : 0.19
key=36 : 0.07
key=12 : 0.07
key=40 : 0.07
key=24 : 0.03
Key: total size (number of elements * element size):
key=56 : 24.20
key=8 : 10.27
key=24 : 6.36
key=32 : 5.86
key=16 : 5.46
key=48 : 4.80
key=476 : 3.75
key=0 : 3.07
key=40 : 3.05
key=72 : 2.50
So for Firefox:
- 72% of total qsort usage are done with 18 elements of less.
- All usages are done element size of maximum of 40 bytes.
- 70% of calls are done with array of maximum size of 476 bytes or less.
For 2. I used the idea of a machine with 3 levels of cache with sizes
L1 32kb, L2 256kb, and L3 4096Kb.
It resulted in a benchmark with following traits:
* It checks four types of input arrays: sorted, mostly sorted, unsorted,
and
repeated. For 'sorted' the array is already sorted, 'mostly sorted'
the
array will have a certain number of random elements with random values
(current ratio used is 20%), for 'unsorted' the array will contain
random
elements from full range based on used type, and for 'repeated' the
array
will have random elements with a certain number (current ratio is 20%)
of
a repeated element distributed randomly.
* Three elements sizes are checked: uint32_t, uint64_t, and an element
with
32 bytes (but using the uint64_t comparison checks). These element
sizes
are used to 1. to avoid include the comparison function itself and/or
memory copy in sort benchmark itself, and 2. because key of size_t are
the
most used for both GCC and Firefox.
* Five different element numbers: 64 (which cover mostly of used element
sizes for both GCC and Firefox), 4096/8192 (which cover 32 KB of L1 for
32 and 64 bits), 32768/65536 (L2 with 256 KB), and 24288/1048576 (L3
with
4 MB). The sizes are configurable by --nelem option.
Checked on x86_64-linux-gnu
* benchtests/Makefile (stdlib-benchset): Add qsort.
* benchtests/bench-qsort.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a85980018a90f721f5f22726b8138a410d9384b0
commit a85980018a90f721f5f22726b8138a410d9384b0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 15 09:20:30 2018 -0200
stdlib: Add more qsort{_r} coverage
This patch adds a qsort and qsort_t (which glibc current lacks
coverage). The test check with random input (created using support
random) with different internal types (uint8_t, uint16_t, uint32_t,
and uint64_t) and with different set of element numbers (from 0
to 262144).
Checked on x86_64-linux-gnu.
* stdlib/tst-qsort3.c: New file.
* stdlib/Makefile (tests): Add tst-qsort3.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ded27c72a4452c642f8f04c7f61e0a23b1363001
commit ded27c72a4452c642f8f04c7f61e0a23b1363001
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 25 10:53:13 2017 -0200
support: Add pseudo-random number generator interface
This is based on POSIX mrand48 and the interfaces provided is just
to wrap around common usages (buffer fill and uniform distribution).
Although better PNRGs exists, the already in place POSIXs one is
used for simplicity and because a better de factor one is being
discussed for inclusion (arc4random based on AES-CTR). Ideally it
would replace the mrand48 usage for this interface.
Checked on x86_64-linux-gnu.
* support/Makefile (libsupport-routines): Add support_random.
(tests): Add tst-support_random.
* support/support_random.c: New file.
* support/support_random.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38df999b030d97194d9f9d56026328d6ee48df4a
commit 38df999b030d97194d9f9d56026328d6ee48df4a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 15 09:49:37 2017 -0200
stdlib: Adjust tst-qsort{2} to libsupport
* stdlib/tst-qsort.c: Use libsupport.
* stdlib/tst-qsort2.c: Likewise.
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Subject: [Bug libc/21719] stdlib/msort : optimizing merge sort
Date: Tue, 04 Sep 2018 18:49:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21719
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, azanella/qsort-refactor has been created
at 367e56edc8b0a2d2eefbe4875d81caa82fe82654 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=367e56edc8b0a2d2eefbe4875d81caa82fe82654
commit 367e56edc8b0a2d2eefbe4875d81caa82fe82654
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 3 15:30:15 2018 -0300
stdlib: Implement introsort with qsort
This patch adds a introsort implementation on qsort to avoid worse-case
performance of quicksort to O(nlog n). The fallback used is a simple
heapsort based on Linux implementation. As a side note the introsort
implementation is similar the one used on libstdc++ for std::sort.
The performance shown some regression due heapsort usage, as expected:
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 1809 | 2034 | 12.44
4096 | 796888 | 1051955 | 32.01
32768 | 7616495 | 10820159 | 42.06
524288 | 142093487 | 250602727 | 76.36
Repeated
nmemb | base | patched | diff
32 | 1875 | 2046 | 9.12
4096 | 912206 | 1123392 | 23.15
32768 | 8690714 | 10223479 | 17.64
524288 | 171229868 | 287344355 | 67.81
Sorted
nmemb | base | patched | diff
32 | 1367 | 1354 | -0.95
4096 | 341229 | 1153712 | 238.10
32768 | 3358312 | 10983978 | 227.07
524288 | 66206257 | 232996299 | 251.92
Unsorted
nmemb | base | patched | diff
32 | 2182 | 2209 | 1.24
4096 | 990920 | 1101897 | 11.20
32768 | 10119221 | 11319451 | 11.86
524288 | 188297819 | 295723362 | 57.05
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 1976 | 2061 | 4.30
4096 | 720747 | 1048324 | 45.45
32768 | 7161384 | 10927694 | 52.59
524288 | 133265602 | 264259752 | 98.30
Repeated
nmemb | base | patched | diff
32 | 2123 | 2265 | 6.69
4096 | 913059 | 1124658 | 23.17
32768 | 8785972 | 11353472 | 29.22
524288 | 171667139 | 303675135 | 76.90
Sorted
nmemb | base | patched | diff
32 | 1193 | 1128 | -5.45
4096 | 301818 | 1101787 | 265.05
32768 | 2961904 | 10964479 | 270.18
524288 | 58873679 | 230789472 | 292.01
Unsorted
nmemb | base | patched | diff
32 | 2099 | 2407 | 14.67
4096 | 1024575 | 1154641 | 12.69
32768 | 10017934 | 11635442 | 16.15
524288 | 188778771 | 310044501 | 64.24
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 3864 | 4423 | 14.47
4096 | 1102305 | 1898226 | 72.21
32768 | 9915730 | 19176780 | 93.40
524288 | 193398884 | 478171367 | 147.25
Repeated
nmemb | base | patched | diff
32 | 4636 | 3730 | -19.54
4096 | 1359433 | 1847693 | 35.92
32768 | 13028460 | 19120804 | 46.76
524288 | 251463610 | 571423413 | 127.24
Sorted
nmemb | base | patched | diff
32 | 1223 | 1165 | -4.74
4096 | 310945 | 1922987 | 518.43
32768 | 2975730 | 19160622 | 543.90
524288 | 63995389 | 423600523 | 561.92
Unsorted
nmemb | base | patched | diff
32 | 4612 | 5024 | 8.93
4096 | 1436912 | 1989848 | 38.48
32768 | 14043593 | 20652436 | 47.06
524288 | 269586508 | 641284939 | 137.88
Checked on x86_64-linux-gnu.
* stdlib/qsort.c (lg): New function.
(R_HEAP): New define.
* stdlib/qsort_common.c (R_CMP_ARG_USE): New define.
(R_HEAP): New function: fallback heapsort implementation.
(R_FUNC): Use fallback heapsort if quicksort depth exceeds
2 times log2 of total element number.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d3960af570f708e3f3a6c8a7c2d292f55d4d1da4
commit d3960af570f708e3f3a6c8a7c2d292f55d4d1da4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 14:24:53 2018 -0200
stdlib: Remove undefined behavior from qsort implementation
Internally qsort is implemented on top of __qsort_r by casting the
function pointer to another type (__compar_fn_t tp __compar_d_fn_t)
and passing a NULL extra argument. Casting function pointer with
different types for subsequent function call is undefined-behaviour
(C11 6.3.2.3):
"[8] A pointer to a function of one type may be converted to a pointer
to a function of another type and back again; the result shall compare
equal to the original pointer. If a converted pointer is used to call
a function whose type is not compatible with the referenced type,
the behavior is undefined."
Also 'compatible' in this case also does not apply according to
6.7.6.3 Function declarators (including prototypes):
"[15] For two function types to be compatible, both shall specify
compatible return types. (146) Moreover, the parameter type lists,
if both are present, shall agree in the number of parameters and
in use of the ellipsis terminator; corresponding parameters shall
have compatible types. [...]"
Although this works on all architectures glibc supports (mostly because
it casts function pointers with similar calling conventions), I think
it is worth to avoid it. This patch fixes it by adding a common
implementation (qsort_common.c) which redefines the function based
on the required types.
For x86_64 (i7-4790K, gcc 7.2.1) shows a slight better performance
for qsort:
Results for member size 4
Sorted
nmemb | base | patched | diff
32| 1304 | 1257 | -3.60
4096| 330707 | 302235 | -8.61
32768| 3300210 | 3020728 | -8.47
524288| 65673289 | 59306436 | -9.69
Repeated
nmemb | base | patched | diff
32| 1885 | 1873 | -0.64
4096| 951490 | 904864 | -4.90
32768| 9272366 | 8542801 | -7.87
524288| 183337854 | 168426795 | -8.13
MostlySorted
nmemb | base | patched | diff
32| 1836 | 1776 | -3.27
4096| 758359 | 709937 | -6.39
32768| 7199982 | 6855890 | -4.78
524288| 139242170 | 129385161 | -7.08
Unsorted
nmemb | base | patched | diff
32| 2073 | 1941 | -6.37
4096| 1058383 | 969021 | -8.44
32768| 10310116 | 9462116 | -8.22
524288| 202427388 | 186560908 | -7.84
Results for member size 8
Sorted
nmemb | base | patched | diff
32| 1224 | 1205 | -1.55
4096| 336100 | 325554 | -3.14
32768| 3539890 | 3264125 | -7.79
524288| 67268510 | 66107684 | -1.73
Repeated
nmemb | base | patched | diff
32| 2096 | 2118 | 1.05
4096| 1015585 | 979114 | -3.59
32768| 9871981 | 9028606 | -8.54
524288| 189710172 | 174903867 | -7.80
MostlySorted
nmemb | base | patched | diff
32| 2318 | 2346 | 1.21
4096| 805051 | 759158 | -5.70
32768| 8346363 | 7810444 | -6.42
524288| 143597264 | 135900146 | -5.36
Unsorted
nmemb | base | patched | diff
32| 2364 | 2301 | -2.66
4096| 1076998 | 1014018 | -5.85
32768| 10442153 | 9888078 | -5.31
524288| 206235337 | 192479957 | -6.67
Results for member size 32
Sorted
nmemb | base | patched | diff
32| 1214 | 1184 | -2.47
4096| 332449 | 325865 | -1.98
32768| 3313274 | 3331750 | 0.56
524288| 70786673 | 69067176 | -2.43
Repeated
nmemb | base | patched | diff
32| 4913 | 4813 | -2.04
4096| 1693735 | 1624137 | -4.11
32768| 17054760 | 15896739 | -6.79
524288| 332149265 | 316328778 | -4.76
MostlySorted
nmemb | base | patched | diff
32| 5490 | 5332 | -2.88
4096| 1394312 | 1312703 | -5.85
32768| 12743599 | 12360726 | -3.00
524288| 240249011 | 231603294 | -3.60
Unsorted
nmemb | base | patched | diff
32| 6251 | 6047 | -3.26
4096| 1959306 | 1695241 | -13.48
32768| 17204840 | 16430388 | -4.50
524288| 342716199 | 329496913 | -3.86
Checked on x86_64-linux-gnu.
* stdlib/qsort.c: Move common code to stdlib/qsort_common.c
and parametrize the function definition based wether to use
the '_r' variant.
* stdlib/qsort_common.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c5a3296e8d81ffe163a206c3c671614cabb9411d
commit c5a3296e8d81ffe163a206c3c671614cabb9411d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 11:19:15 2018 -0200
stdlib: Optimization qsort{_r} swap implementation
This patchs adds a optimized swap operation on qsort based in previous
msort one. Instead of byte operation, three variants are provided:
1. Using uint32_t loads and stores.
2. Using uint64_t loads and stores.
3. Generic one with a temporary buffer and memcpy/mempcpy.
The 1. and 2. option are selected only either if architecture defines
_STRING_ARCH_unaligned or if base pointer is aligned to required type.
This is due based on data for bench-qsort, usually programs calls
qsort with array with multiple of machine word as element size.
Benchmarking shows an increase performance:
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 2512 | 1858 | -26.04
4096 | 825039 | 702725 | -14.83
32768 | 7227910 | 6665149 | -7.79
524288 | 141602678 | 137332279 | -3.02
Repeated
nmemb | base | patched | diff
32 | 1948 | 2053 | 5.39
4096 | 973735 | 880246 | -9.60
32768 | 9695857 | 8501170 | -12.32
524288 | 184086492 | 170832127 | -7.20
Sorted
nmemb | base | patched | diff
32 | 3163 | 3800 | 20.14
4096 | 712679 | 618425 | -13.23
32768 | 3198064 | 3121069 | -2.41
524288 | 62327097 | 62135963 | -0.31
Unsorted
nmemb | base | patched | diff
32 | 2243 | 2036 | -9.23
4096 | 1035615 | 959467 | -7.35
32768 | 10077407 | 9268030 | -8.03
524288 | 198242838 | 182920727 | -7.73
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 2218 | 1737 | -21.69
4096 | 859333 | 725539 | -15.57
32768 | 7843666 | 6543577 | -16.58
524288 | 150404586 | 125632826 | -16.47
Repeated
nmemb | base | patched | diff
32 | 2484 | 1799 | -27.58
4096 | 1028579 | 887522 | -13.71
32768 | 10355933 | 8441606 | -18.49
524288 | 197692669 | 166863090 | -15.59
Sorted
nmemb | base | patched | diff
32 | 1159 | 1108 | -4.40
4096 | 284228 | 285501 | 0.45
32768 | 2816725 | 2796568 | -0.72
524288 | 56171914 | 55222756 | -1.69
Unsorted
nmemb | base | patched | diff
32 | 2627 | 2181 | -16.98
4096 | 1113614 | 965834 | -13.27
32768 | 10833759 | 9796429 | -9.57
524288 | 213615135 | 183258605 | -14.21
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 4428 | 5050 | 14.05
4096 | 1478246 | 1095604 | -25.88
32768 | 12657783 | 10235439 | -19.14
524288 | 254235649 | 185929218 | -26.87
Repeated
nmemb | base | patched | diff
32 | 5087 | 3453 | -32.12
4096 | 1715554 | 1254764 | -26.86
32768 | 17183223 | 11983349 | -30.26
524288 | 337323090 | 240349163 | -28.75
Sorted
nmemb | base | patched | diff
32 | 1172 | 1737 | 48.21
4096 | 284651 | 312751 | 9.87
32768 | 2795492 | 2792345 | -0.11
524288 | 59840778 | 60216689 | 0.63
Unsorted
nmemb | base | patched | diff
32 | 5427 | 4212 | -22.39
4096 | 1817705 | 1360557 | -25.15
32768 | 17388618 | 13014313 | -25.16
524288 | 349929708 | 256942681 | -26.57
Checked on x86_64-linux-gnu.
[BZ #19305].
* stdlib/qsort.c (SWAP): Remove.
(check_alignment, swap_u32, swap_u64, swap_generic,
select_swap_func): New functions.
(__qsort_r):
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9bac00e5f32e8cc2cce3169278c2f69741b50998
commit 9bac00e5f32e8cc2cce3169278c2f69741b50998
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Jan 16 10:49:43 2018 -0200
stdlib: Remove use of mergesort on qsort
This patch removes the mergesort optimization on qsort{_r} implementation
and use the quicksort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have a O(1) space
implementation.
- The malloc for certain element size and element number adds arbitrary
latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation relies
on system information that might be virtualized (for instance VMs with
overcommit memory) which might leads to potentially use of swap even
if system advertise more memory than actually has. The check also have
the downside of issuing syscalls where none is expected (although only
once per execution).
- The mergesort is suboptimal on already sorted array (BZ#21719).
The quicksort implementation is already optimized to use constant extra
space (due the limit of total number of elements from maximum VM size)
and thus can be used to avoid the malloc usage issues.
Using bench-qsort (i7-4510U, gcc 7.1.1) shows the performance difference
between mergesort (base) and quicksort (patched):
Results for member size 4
MostlySorted
nmemb | base | patched | diff
32 | 1727 | 2512 | 45.45
4096 | 490729 | 825039 | 68.13
32768 | 5062570 | 7227910 | 42.77
524288 | 99397572 | 141602678 | 42.46
Repeated
nmemb | base | patched | diff
32 | 2014 | 1948 | -3.28
4096 | 836096 | 973735 | 16.46
32768 | 8288515 | 9695857 | 16.98
524288 | 171234266 | 184086492 | 7.51
Sorted
nmemb | base | patched | diff
32 | 1508 | 3163 | 109.75
4096 | 279452 | 712679 | 155.03
32768 | 2389989 | 3198064 | 33.81
524288 | 46684810 | 62327097 | 33.51
Unsorted
nmemb | base | patched | diff
32 | 2166 | 2243 | 3.55
4096 | 969238 | 1035615 | 6.85
32768 | 8782888 | 10077407 | 14.74
524288 | 180907441 | 198242838 | 9.58
Results for member size 8
MostlySorted
nmemb | base | patched | diff
32 | 1537 | 2218 | 44.31
4096 | 464279 | 859333 | 85.09
32768 | 5181208 | 7843666 | 51.39
524288 | 102380344 | 150404586 | 46.91
Repeated
nmemb | base | patched | diff
32 | 1712 | 2484 | 45.09
4096 | 833519 | 1028579 | 23.40
32768 | 8642878 | 10355933 | 19.82
524288 | 175210230 | 197692669 | 12.83
Sorted
nmemb | base | patched | diff
32 | 1237 | 1159 | -6.31
4096 | 236972 | 284228 | 19.94
32768 | 2282819 | 2816725 | 23.39
524288 | 48007437 | 56171914 | 17.01
Unsorted
nmemb | base | patched | diff
32 | 1861 | 2627 | 41.16
4096 | 879328 | 1113614 | 26.64
32768 | 9186338 | 10833759 | 17.93
524288 | 187880836 | 213615135 | 13.70
Results for member size 32
MostlySorted
nmemb | base | patched | diff
32 | 6446 | 4428 | -31.31
4096 | 1565811 | 1478246 | -5.59
32768 | 16474957 | 12657783 | -23.17
524288 | 364464135 | 254235649 | -30.24
Repeated
nmemb | base | patched | diff
32 | 5544 | 5087 | -8.24
4096 | 2030560 | 1715554 | -15.51
32768 | 21053028 | 17183223 | -18.38
524288 | 451659503 | 337323090 | -25.31
Sorted
nmemb | base | patched | diff
32 | 3668 | 1172 | -68.05
4096 | 878063 | 284651 | -67.58
32768 | 9071819 | 2795492 | -69.18
524288 | 192633325 | 59840778 | -68.94
Unsorted
nmemb | base | patched | diff
32 | 4906 | 5427 | 10.62
4096 | 2044417 | 1817705 | -11.09
32768 | 21885590 | 17388618 | -20.55
524288 | 477850312 | 349929708 | -26.77
The result shows an increase in latency, and some performance difference is
due
the fact mergesort uses a slight improved swap operation than quicksort
(which
a following patch addresses it). This change also renders the BZ #21719
fix
unrequired (since it is meeant to fix the sorted input performance
degradation
for mergesort). The manual is also updated to indicate the function is now
async-cancel safe.
Checked on x86_64-linux-gnu.
[BZ #21719]
* stdlib/Makefile (routines): Remove msort.
(CFLAGS-msort.c): Remove rule.
* stdlib/msort.c: Remove file.
* stdlib/qsort.c (_quicksort): Rename to __qsort_r and add weak_alias
to qsort_r.
(qsort): New symbol.
* manual/argp.texi: Remove qsort @acu* annotation.
* manual/locale.texi: Likewise.
* manual/search.texi: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f3c14d0a289ddd68812caa328e9acc2cbf2b3b1
commit 3f3c14d0a289ddd68812caa328e9acc2cbf2b3b1
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Aug 31 20:24:03 2017 -0300
benchtests: Add bench-qsort
This patch adds a qsort benchmark. I tried to model the benchmark taking
in
consideration the possible input variation in both internal element size,
element numbers, and internal state for 1. real word cases and 2. possible
scenarios based on hardware characteristics.
For 1. I tracked qsort usage (using a simple preload library to dump its
usage
and a script to pos-process it) on both GCC bootstrap and Firefox. GCC 8
bootstrap build shows 51786641 call to qsort with the following
characterics:
Key: number of elements:
key=2 : 39.74
key=3 : 19.23
key=4 : 9.77
key=1 : 8.44
key=0 : 6.60
key=5 : 4.40
key=7 : 2.37
key=6 : 2.25
key=9 : 1.48
key=8 : 0.97
Key: element size in bytes:
key=8 : 91.74
key=32 : 3.62
key=4 : 2.42
key=40 : 1.20
key=16 : 0.67
key=24 : 0.30
key=48 : 0.05
key=56 : 0.00
key=1 : 0.00
Key: total size (number of elements * element size):
key=16 : 35.98
key=24 : 18.67
key=32 : 9.79
key=8 : 8.28
key=0 : 6.60
key=40 : 4.21
key=64 : 3.15
key=48 : 2.24
key=56 : 2.15
key=80 : 1.45
So for GCC:
- 80% of total qsort usage are done with 10 elements of less.
- All usages are done element size of maximum of 56 bytes.
- 90% of calls are done with array of maximum size of 80 bytes or less.
The Firefox usage was done with 2 hours of usage, with first 10 minutes
activelly
openning and closing different types of sites. It resulted in 21042 calls
with
following characteristics:
Key: number of elements:
key=7 : 24.40
key=1 : 10.44
key=3 : 6.33
key=4 : 5.81
key=2 : 5.46
key=6 : 4.80
key=17 : 4.54
key=0 : 3.07
key=5 : 3.05
key=9 : 2.51
key=12 : 2.06
Key: element size in bytes:
key=8 : 94.49
key=28 : 4.40
key=2 : 0.70
key=16 : 0.19
key=36 : 0.07
key=12 : 0.07
key=40 : 0.07
key=24 : 0.03
Key: total size (number of elements * element size):
key=56 : 24.20
key=8 : 10.27
key=24 : 6.36
key=32 : 5.86
key=16 : 5.46
key=48 : 4.80
key=476 : 3.75
key=0 : 3.07
key=40 : 3.05
key=72 : 2.50
So for Firefox:
- 72% of total qsort usage are done with 18 elements of less.
- All usages are done element size of maximum of 40 bytes.
- 70% of calls are done with array of maximum size of 476 bytes or less.
For 2. I used the idea of a machine with 3 levels of cache with sizes
L1 32kb, L2 256kb, and L3 4096Kb.
It resulted in a benchmark with following traits:
* It checks four types of input arrays: sorted, mostly sorted, unsorted,
and
repeated. For 'sorted' the array is already sorted, 'mostly sorted'
the
array will have a certain number of random elements with random values
(current ratio used is 20%), for 'unsorted' the array will contain
random
elements from full range based on used type, and for 'repeated' the
array
will have random elements with a certain number (current ratio is 20%)
of
a repeated element distributed randomly.
* Three elements sizes are checked: uint32_t, uint64_t, and an element
with
32 bytes (but using the uint64_t comparison checks). These element
sizes
are used to 1. to avoid include the comparison function itself and/or
memory copy in sort benchmark itself, and 2. because key of size_t are
the
most used for both GCC and Firefox.
* Five different element numbers: 64 (which cover mostly of used element
sizes for both GCC and Firefox), 4096/8192 (which cover 32 KB of L1 for
32 and 64 bits), 32768/65536 (L2 with 256 KB), and 24288/1048576 (L3
with
4 MB). The sizes are configurable by --nelem option.
Checked on x86_64-linux-gnu
* benchtests/Makefile (stdlib-benchset): Add qsort.
* benchtests/bench-qsort.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a85980018a90f721f5f22726b8138a410d9384b0
commit a85980018a90f721f5f22726b8138a410d9384b0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 15 09:20:30 2018 -0200
stdlib: Add more qsort{_r} coverage
This patch adds a qsort and qsort_t (which glibc current lacks
coverage). The test check with random input (created using support
random) with different internal types (uint8_t, uint16_t, uint32_t,
and uint64_t) and with different set of element numbers (from 0
to 262144).
Checked on x86_64-linux-gnu.
* stdlib/tst-qsort3.c: New file.
* stdlib/Makefile (tests): Add tst-qsort3.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ded27c72a4452c642f8f04c7f61e0a23b1363001
commit ded27c72a4452c642f8f04c7f61e0a23b1363001
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 25 10:53:13 2017 -0200
support: Add pseudo-random number generator interface
This is based on POSIX mrand48 and the interfaces provided is just
to wrap around common usages (buffer fill and uniform distribution).
Although better PNRGs exists, the already in place POSIXs one is
used for simplicity and because a better de factor one is being
discussed for inclusion (arc4random based on AES-CTR). Ideally it
would replace the mrand48 usage for this interface.
Checked on x86_64-linux-gnu.
* support/Makefile (libsupport-routines): Add support_random.
(tests): Add tst-support_random.
* support/support_random.c: New file.
* support/support_random.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38df999b030d97194d9f9d56026328d6ee48df4a
commit 38df999b030d97194d9f9d56026328d6ee48df4a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 15 09:49:37 2017 -0200
stdlib: Adjust tst-qsort{2} to libsupport
* stdlib/tst-qsort.c: Use libsupport.
* stdlib/tst-qsort2.c: Likewise.
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>From glibc-bugs-return-43133-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 04 21:56:35 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17426] Indian locales: set the correct date format
Date: Tue, 04 Sep 2018 21:56:00 -0000
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--- Comment #10 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11230
--> https://sourceware.org/bugzilla/attachment.cgi?id=11230&action=edit
A script to generate d_fmt values from previously downloaded CLDR data
Here is a script which I have ran on previously downloaded CLDR-33 XML files
and the result was:
$ ./gen_d_fmt.sh ./cldr-33/common/main/*IN*
as_IN "%-d-%-m-%Y" # d-M-y example: 4-9-2018
bn_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
bo_IN "%Y-%m-%d" # y-MM-dd example: 2018-09-04
brx_IN "%-m//%-d//%y" # M/d/yy example: 9/4/18
ccp_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
en_IN "%d//%m//%y" # dd/MM/yy example: 04/09/18
gu_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
hi_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
kn_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
kok_IN "%-d-%-m-%y" # d-M-yy example: 4-9-18
ks_IN "%-m//%-d//%y" # M/d/yy example: 9/4/18
ml_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
mr_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
ne_IN "%y//%-m//%-d" # yy/M/d example: 18/9/4
or_IN "%-m//%-d//%y" # M/d/yy example: 9/4/18
pa_Guru_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
ta_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
te_IN "%d-%m-%y" # dd-MM-yy example: 04-09-18
ur_IN "%-d//%-m//%y" # d/M/yy example: 4/9/18
I am going to use these data plus the analysis from the comment 9 and apply the
solution tomorrow.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23606] New: Missing ENDBR32 in sysdeps/i386/start.S
Date: Wed, 05 Sep 2018 03:28:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23606
Bug ID: 23606
Summary: Missing ENDBR32 in sysdeps/i386/start.S
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com, xuepeng.guo at intel dot com
Target Milestone: ---
Target: i386
sysdeps/i386/start.S has
.text
.globl _start
.type _start,@function
_start:
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
xorl %ebp, %ebp
ENDBR32 is missing. This patch should work:
diff --git a/sysdeps/i386/start.S b/sysdeps/i386/start.S
index 91035fa83f..4b7542c327 100644
--- a/sysdeps/i386/start.S
+++ b/sysdeps/i386/start.S
@@ -52,10 +52,9 @@
NULL
*/
- .text
- .globl _start
- .type _start,@function
-_start:
+#include <sysdep.h>
+
+ENTRY (_start)
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
xorl %ebp, %ebp
@@ -131,6 +130,7 @@ _start:
1: movl (%esp), %ebx
ret
#endif
+END (_start)
/* To fulfill the System V/i386 ABI we need this symbol. Yuck, it's so
meaningless since we don't support machines < 80386. */
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>From glibc-bugs-return-43135-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 05:07:26 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23323] [RFE] CSU startup hardening.
Date: Wed, 05 Sep 2018 05:07:00 -0000
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--- Comment #5 from Huzaifa Sidhpurwala <huzaifas at redhat dot com> ---
Any idea if this patch is being reviewed etc? I dont see anything on the
mailing list that is why i asked :)
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>From glibc-bugs-return-43136-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 05:42:21 2018
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Subject: [Bug nptl/23500] Removal of libpthread_nonshared.a breaks installation of Oracle Database
Date: Wed, 05 Sep 2018 05:42:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1625507
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>From glibc-bugs-return-43137-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 05:42:46 2018
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Subject: [Bug nptl/23500] Removal of libpthread_nonshared.a breaks installation of Oracle Database
Date: Wed, 05 Sep 2018 05:42:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
I've filed a downstream Fedora bug for this:
https://bugzilla.redhat.com/show_bug.cgi?id=1625507
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>From glibc-bugs-return-43138-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 06:28:14 2018
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Subject: [Bug libc/23323] [RFE] CSU startup hardening.
Date: Wed, 05 Sep 2018 06:28:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Huzaifa Sidhpurwala from comment #5)
> Any idea if this patch is being reviewed etc? I dont see anything on the
> mailing list that is why i asked :)
There hasn't been a review yet.
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>From glibc-bugs-return-43139-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 13:50:35 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
Date: Wed, 05 Sep 2018 13:50:00 -0000
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
This is the patch I am testing:
diff --git a/sysdeps/i386/start.S b/sysdeps/i386/start.S
index 91035fa83f..e35e9bd31b 100644
--- a/sysdeps/i386/start.S
+++ b/sysdeps/i386/start.S
@@ -52,10 +52,11 @@
NULL
*/
- .text
- .globl _start
- .type _start,@function
-_start:
+#include <sysdep.h>
+
+ENTRY (_start)
+ /* Clearing frame pointer is insufficient, use CFI. */
+ cfi_undefined (eip)
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
xorl %ebp, %ebp
@@ -131,6 +132,7 @@ _start:
1: movl (%esp), %ebx
ret
#endif
+END (_start)
/* To fulfill the System V/i386 ABI we need this symbol. Yuck, it's so
meaningless since we don't support machines < 80386. */
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Subject: =?UTF-8?B?W0J1ZyBsb2NhbGVkYXRhLzIzNTAyXSBnY29udu+8iEdCMTgwMzAgdG8gVVRG?= =?UTF-8?B?LTjvvIk=?Date: Wed, 05 Sep 2018 14:04:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-09-05
Ever confirmed|0 |1
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
What is the exact contents of the array s?
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>From glibc-bugs-return-43141-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 21:59:35 2018
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Subject: [Bug localedata/17426] Indian locales: set the correct date format
Date: Wed, 05 Sep 2018 21:59:00 -0000
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--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a33650d1a63b4e5d52ef02bb629d045c217e16ff
commit a33650d1a63b4e5d52ef02bb629d045c217e16ff
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Wed Sep 5 00:40:04 2018 +0200
Indian and similar locales: Set the correct date format (bug 17426).
This commit also fixes d_fmt in bn_BD which is identical to bn_IN,
in ne_NP which is identical to ne_IN (not supported by Glibc but supported
by CLDR), and in ta_LK which is identical to ta_IN.
For those locales which are supported by CLDR data is imported from
CLDR v33. For others it is copied from those locales which were identical
before this commit.
[BZ #17426]
* localedata/locales/anp_IN (d_fmt): Use "%-d//%-m//%y".
* localedata/locales/ar_IN (d_fmt): Likewise.
* localedata/locales/bhb_IN (d_fmt): Likewise.
* localedata/locales/bho_IN (d_fmt): Likewise.
* localedata/locales/bn_BD (d_fmt): Likewise.
* localedata/locales/bn_IN (d_fmt): Likewise.
* localedata/locales/doi_IN (d_fmt): Likewise.
* localedata/locales/gu_IN (d_fmt): Likewise.
* localedata/locales/hi_IN (d_fmt): Likewise.
* localedata/locales/hne_IN (d_fmt): Likewise.
* localedata/locales/kn_IN (d_fmt): Likewise.
* localedata/locales/mag_IN (d_fmt): Likewise.
* localedata/locales/mai_IN (d_fmt): Likewise.
* localedata/locales/mjw_IN (d_fmt): Likewise.
* localedata/locales/ml_IN (d_fmt): Likewise.
* localedata/locales/mni_IN (d_fmt): Likewise.
* localedata/locales/mr_IN (d_fmt): Likewise.
* localedata/locales/pa_IN (d_fmt): Likewise.
* localedata/locales/raj_IN (d_fmt): Likewise.
* localedata/locales/sat_IN (d_fmt): Likewise.
* localedata/locales/sd_IN (d_fmt): Likewise.
* localedata/locales/sd_IN@devanagari (d_fmt): Likewise.
* localedata/locales/ta_IN (d_fmt): Likewise.
* localedata/locales/ta_LK (d_fmt): Likewise.
* localedata/locales/tcy_IN (d_fmt): Likewise.
* localedata/locales/ur_IN (d_fmt): Likewise.
* localedata/locales/brx_IN (d_fmt): Use "%-m//%-d//%y".
* localedata/locales/ks_IN (d_fmt): Likewise.
* localedata/locales/ks_IN@devanagari (d_fmt): Likewise.
* localedata/locales/kok_IN (d_fmt): Use "%-d-%-m-%y".
* localedata/locales/ne_NP (d_fmt): Use "%y//%-m//%-d".
* localedata/locales/sa_IN (d_fmt): Use "%-d-%m-%y".
* localedata/locales/te_IN (d_fmt): Use "%d-%m-%y".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 39 +++++++++++++++++++++++++++++++++++
localedata/locales/anp_IN | 2 +-
localedata/locales/ar_IN | 2 +-
localedata/locales/bhb_IN | 2 +-
localedata/locales/bho_IN | 2 +-
localedata/locales/bn_BD | 2 +-
localedata/locales/bn_IN | 2 +-
localedata/locales/brx_IN | 2 +-
localedata/locales/doi_IN | 2 +-
localedata/locales/gu_IN | 2 +-
localedata/locales/hi_IN | 2 +-
localedata/locales/hne_IN | 2 +-
localedata/locales/kn_IN | 2 +-
localedata/locales/kok_IN | 2 +-
localedata/locales/ks_IN | 2 +-
localedata/locales/ks_IN@devanagari | 2 +-
localedata/locales/mag_IN | 2 +-
localedata/locales/mai_IN | 2 +-
localedata/locales/mjw_IN | 2 +-
localedata/locales/ml_IN | 2 +-
localedata/locales/mni_IN | 2 +-
localedata/locales/mr_IN | 2 +-
localedata/locales/ne_NP | 2 +-
localedata/locales/pa_IN | 2 +-
localedata/locales/raj_IN | 2 +-
localedata/locales/sa_IN | 2 +-
localedata/locales/sat_IN | 2 +-
localedata/locales/sd_IN | 2 +-
localedata/locales/sd_IN@devanagari | 2 +-
localedata/locales/ta_IN | 2 +-
localedata/locales/ta_LK | 2 +-
localedata/locales/tcy_IN | 2 +-
localedata/locales/te_IN | 2 +-
localedata/locales/ur_IN | 2 +-
34 files changed, 72 insertions(+), 33 deletions(-)
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>From glibc-bugs-return-43142-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 05 22:06:30 2018
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Subject: [Bug localedata/17426] Indian locales: set the correct date format
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #12 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
We are long time before the final release so I understand there may be some
feedback and suggestions for further improvements. But for now it is fixed.
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>From glibc-bugs-return-43143-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 06 07:10:51 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/23609] New: regex backreference heap errors
Date: Thu, 06 Sep 2018 07:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23609
Bug ID: 23609
Summary: regex backreference heap errors
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: regex
Assignee: unassigned at sourceware dot org
Reporter: eggert at cs dot ucla.edu
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11231
--> https://sourceware.org/bugzilla/attachment.cgi?id=11231&action=edit
Patch for use-after-free bug, from Assaf Gordon
In <https://debbugs.gnu.org/32592#14> Saito Takaaki reported that a friend
found a bug in GNU sed regex handling, and Assaf Gordon has found that this was
due to use-after-free relating to the back-references. Assaf has a fix, which
I'm attaching.
In that same thread, Jim Meyering noted <https://debbugs.gnu.org/32592#35> that
there was some seemingly-useless code immediately after Assaf's bug fix. I have
looked into this, and it turns out that this code does not properly report an
error when heap allocation fails; instead, it just trudges onward and does
goodness knows what. I'll attach a second patch for this nearby bug.
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>From glibc-bugs-return-43144-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 06 07:11:24 2018
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Subject: [Bug regex/23609] regex backreference heap errors
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--- Comment #1 from eggert at cs dot ucla.edu ---
Created attachment 11232
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Patch for heap-exhaustion bug
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>From glibc-bugs-return-43145-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 06 08:19:48 2018
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Subject: [Bug regex/18040] use-after-free in regexec/get_subexp
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |eggert at cs dot ucla.edu
--- Comment #4 from eggert at cs dot ucla.edu ---
Assaf Gordon writes in <https://debbugs.gnu.org/32592#41> that this bug is
fixed by Assaf's patch to Bug#23609. The two bug reports should be merged.
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Subject: [Bug regex/23609] regex backreference heap errors
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https://sourceware.org/bugzilla/show_bug.cgi?id=23609
--- Comment #2 from eggert at cs dot ucla.edu ---
Assaf Gordon writes in <https://debbugs.gnu.org/32592#41> that the
use-after-free bug was already reported as Bug#18040. The two bug reports
should be merged.
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Subject: [Bug libc/23614] New: powerpc: missing CFI register information
Date: Thu, 06 Sep 2018 21:20:00 -0000
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Bug ID: 23614
Summary: powerpc: missing CFI register information
Product: glibc
Version: 2.28
Status: NEW
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: tuliom at linux dot ibm.com
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The following asm functions store registers in the stack but do not update CFI
information:
__mpn_submul_1 (and __mpn_addmul_1)
__mpn_lshift
__mpn_mul_1
__brk
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
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>From glibc-bugs-return-43152-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 07 01:58:32 2018
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Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
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--- Comment #2 from xuepeng.guo at intel dot com ---
Hello HJ,
I tested your fix against glibc i686 build. The result of "make check" shows no
regression. I also managed to rebuild the start.o where the _start function
lives, with CET enabled. Via "objdump -d", I can see the endbr32 instruction.
./build-i686-linux/csu/start.o: file format elf32-i386
Disassembly of section .text:
00000000 <_start>:
0: f3 0f 1e fb endbr32
4: 31 ed xor %ebp,%ebp
6: 5e pop %esi
7: 89 e1 mov %esp,%ecx
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>From glibc-bugs-return-43153-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 07 03:35:25 2018
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Subject: [Bug libc/23614] powerpc: missing CFI register information
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--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
I don't think __brk needs a fix. Volatile regs don't need to be tracked by
CFI.
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>From glibc-bugs-return-43154-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 07 06:38:25 2018
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Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
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--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Terry Guo from comment #2)
> Hello HJ,
>
> I tested your fix against glibc i686 build. The result of "make check" shows
> no regression. I also managed to rebuild the start.o where the _start
> function lives, with CET enabled. Via "objdump -d", I can see the endbr32
> instruction.
Please create a patch and send it to glibc mailing list. Thanks.
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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--- Comment #4 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Do I understand correctly that Chuvash language uses exclusively the Cyrillic
script and never Latin script? Is there a need to add cv_RU@cyrillic or rename
the current language to cv_RU@latin and add a completely new content of cv_RU?
As Chuvash language support in CLDR is highly incomplete, besides the list of
weekday names also please provide:
* the list of abbreviated weekday names,
* the list of full month names,
* the list of abbreviated month names (should they all be CAPITALIZED as they
are now?),
* since Chuvash is an inflected language, if the month names in a genitive or
in a possessive case are needed to format the date correctly then include them
as well,
* if it happens that a genitive/possessive case differs from a nominative case
case then include the full list of abbreviated month names in a
genitive/possessive case,
* review the current content of cv_RU and check if it needs more updates. How
to say (and write) "yes" and "no" in Chuvash? This information is missing as
well.
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>From glibc-bugs-return-43156-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 07 22:12:13 2018
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Subject: [Bug localedata/22470] Suggestion: Add Cyrillic "dD" and "nN" to yesexpr and noexpr respectively to every locale in Russia
Date: Fri, 07 Sep 2018 22:12:00 -0000
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Dmitry V. Levin <ldv at sourceware dot org> changed:
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>From glibc-bugs-return-43157-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 09 10:28:18 2018
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From: "sourceware at sagamusix dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Sun, 09 Sep 2018 10:28:00 -0000
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--- Comment #4 from Johannes <sourceware at sagamusix dot de> ---
Sadly I currently don't have a whole lot time to compile my own glibc (and the
bug is very hard to trigger, because now that glibc changed, a different memory
limit might be needed to trigger it), but I tried to read through tzfile.c and
the patch for some more comments.
There are actually two instances of "assert (num_types == 1);" in the file
(sorry for not being clear on that), and I suspect that both of them need to be
guarded against this kind of OOM situation. The crash that I initially reported
was in the assertion around line 750, while your patch seems to address the
assertion at around line 440. My original analysis on the Debian bug tracker
shows that there are three code paths that are expected to set the __tzname
pointers to a non-null value before the assertion is reached, so it might be
the case that of those instances need to be checked manually.
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>From glibc-bugs-return-43158-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 09 14:47:40 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Sun, 09 Sep 2018 14:47:00 -0000
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--- Comment #5 from eggert at cs dot ucla.edu ---
(In reply to Johannes from comment #4)
> The crash that I initially
> reported was in the assertion around line 750, while your patch seems to
> address the assertion at around line 440.
The patch I sent should also address the assertion around line 750, because the
patch arranges for later calls to __tzstring to not return NULL.
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>From glibc-bugs-return-43159-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 10 16:49:15 2018
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Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
Date: Mon, 10 Sep 2018 16:49:00 -0000
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--- Comment #9 from Martin Buchholz <martinrb at google dot com> ---
2018 update ...
Java has been happily using vfork on Linux, and posix_spawn on other Unix
systems for many years. Code to try using clone() on Linux has never gotten
past prototype stage and we have no plans to try again. Documentation on
clone() should make it clear what is supported and what is not. Why is clone()
a public API if there is no safe way to call it?
We currently implement close_from by hand and it would be great if glibc could
support it (in a way that would be safe to call between vfork and exec).
Here's the current implementation comment from
http://hg.openjdk.java.net/jdk/jdk/file/tip/src/java.base/unix/native/libjava/ProcessImpl_md.c
* There are 4 possible strategies we might use to "fork":
*
* - fork(2). Very portable and reliable but subject to
* failure due to overcommit (see the documentation on
* /proc/sys/vm/overcommit_memory in Linux proc(5)).
* This is the ancient problem of spurious failure whenever a large
* process starts a small subprocess.
*
* - vfork(). Using this is scary because all relevant man pages
* contain dire warnings, e.g. Linux vfork(2). But at least it's
* documented in the glibc docs and is standardized by XPG4.
* http://www.opengroup.org/onlinepubs/000095399/functions/vfork.html
* On Linux, one might think that vfork() would be implemented using
* the clone system call with flag CLONE_VFORK, but in fact vfork is
* a separate system call (which is a good sign, suggesting that
* vfork will continue to be supported at least on Linux).
* Another good sign is that glibc implements posix_spawn using
* vfork whenever possible. Note that we cannot use posix_spawn
* ourselves because there's no reliable way to close all inherited
* file descriptors.
*
* - clone() with flags CLONE_VM but not CLONE_THREAD. clone() is
* Linux-specific, but this ought to work - at least the glibc
* sources contain code to handle different combinations of CLONE_VM
* and CLONE_THREAD. However, when this was implemented, it
* appeared to fail on 32-bit i386 (but not 64-bit x86_64) Linux with
* the simple program
* Runtime.getRuntime().exec("/bin/true").waitFor();
* with:
* # Internal Error (os_linux_x86.cpp:683), pid=19940, tid=2934639536
* # Error: pthread_getattr_np failed with errno = 3 (ESRCH)
* We believe this is a glibc bug, reported here:
* http://sources.redhat.com/bugzilla/show_bug.cgi?id=10311
* but the glibc maintainers closed it as WONTFIX.
*
* - posix_spawn(). While posix_spawn() is a fairly elaborate and
* complicated system call, it can't quite do everything that the old
* fork()/exec() combination can do, so the only feasible way to do
* this, is to use posix_spawn to launch a new helper executable
* "jprochelper", which in turn execs the target (after cleaning
* up file-descriptors etc.) The end result is the same as before,
* a child process linked to the parent in the same way, but it
* avoids the problem of duplicating the parent (VM) process
* address space temporarily, before launching the target command.
*
* Based on the above analysis, we are currently using vfork() on
* Linux and posix_spawn() on other Unix systems.
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>From glibc-bugs-return-43160-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 10 16:50:05 2018
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Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
Date: Mon, 10 Sep 2018 16:50:00 -0000
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--- Comment #10 from Martin Buchholz <martinrb at google dot com> ---
2018 update ...
Java has been happily using vfork on Linux, and posix_spawn on other Unix
systems for many years. Code to try using clone() on Linux has never gotten
past prototype stage and we have no plans to try again. Documentation on
clone() should make it clear what is supported and what is not. Why is clone()
a public API if there is no safe way to call it?
We currently implement close_from by hand and it would be great if glibc could
support it (in a way that would be safe to call between vfork and exec).
Here's the current implementation comment from
http://hg.openjdk.java.net/jdk/jdk/file/tip/src/java.base/unix/native/libjava/ProcessImpl_md.c
* There are 4 possible strategies we might use to "fork":
*
* - fork(2). Very portable and reliable but subject to
* failure due to overcommit (see the documentation on
* /proc/sys/vm/overcommit_memory in Linux proc(5)).
* This is the ancient problem of spurious failure whenever a large
* process starts a small subprocess.
*
* - vfork(). Using this is scary because all relevant man pages
* contain dire warnings, e.g. Linux vfork(2). But at least it's
* documented in the glibc docs and is standardized by XPG4.
* http://www.opengroup.org/onlinepubs/000095399/functions/vfork.html
* On Linux, one might think that vfork() would be implemented using
* the clone system call with flag CLONE_VFORK, but in fact vfork is
* a separate system call (which is a good sign, suggesting that
* vfork will continue to be supported at least on Linux).
* Another good sign is that glibc implements posix_spawn using
* vfork whenever possible. Note that we cannot use posix_spawn
* ourselves because there's no reliable way to close all inherited
* file descriptors.
*
* - clone() with flags CLONE_VM but not CLONE_THREAD. clone() is
* Linux-specific, but this ought to work - at least the glibc
* sources contain code to handle different combinations of CLONE_VM
* and CLONE_THREAD. However, when this was implemented, it
* appeared to fail on 32-bit i386 (but not 64-bit x86_64) Linux with
* the simple program
* Runtime.getRuntime().exec("/bin/true").waitFor();
* with:
* # Internal Error (os_linux_x86.cpp:683), pid=19940, tid=2934639536
* # Error: pthread_getattr_np failed with errno = 3 (ESRCH)
* We believe this is a glibc bug, reported here:
* http://sources.redhat.com/bugzilla/show_bug.cgi?id=10311
* but the glibc maintainers closed it as WONTFIX.
*
* - posix_spawn(). While posix_spawn() is a fairly elaborate and
* complicated system call, it can't quite do everything that the old
* fork()/exec() combination can do, so the only feasible way to do
* this, is to use posix_spawn to launch a new helper executable
* "jprochelper", which in turn execs the target (after cleaning
* up file-descriptors etc.) The end result is the same as before,
* a child process linked to the parent in the same way, but it
* avoids the problem of duplicating the parent (VM) process
* address space temporarily, before launching the target command.
*
* Based on the above analysis, we are currently using vfork() on
* Linux and posix_spawn() on other Unix systems.
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>From glibc-bugs-return-43161-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 10 19:10:24 2018
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From: "bugdal at aerifal dot cx" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
Date: Mon, 10 Sep 2018 19:10:00 -0000
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--- Comment #11 from Rich Felker <bugdal at aerifal dot cx> ---
As far as I can tell, clone() is safe to use without CLONE_VM. This limitation
should probably be documented. With CLONE_VM, it's not clear to me what should
happen. As noted before, there are strong reasons it won't work and is unsafe.
There might be ways it could be made safe to use (or conditions under which
it's already safe to use) if you also use CLONE_VFORK or arrange for the same
sort of wait operation to take place in some other way.
It's plausible that CLONE_VM with the public clone() function should
automatically create a valid TCB in the provided stack area (it doesn't do this
now, but perhaps could be modified to do so), but I'm not sure at what point it
would make sense to stop. Would it also need to reserve sufficient storage for
TLS? Only for TLS that existed at the time of the clone call, or for dynamic
TLS added later too? Would it be expected that the child be restricted to an
async signal context, or could it interact with libc locks (malloc?) in the
parent?
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>From glibc-bugs-return-43162-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 10 21:23:10 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10797] it_IT locale numeric does not have a separator for thousends
Date: Mon, 10 Sep 2018 21:23:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |ASSIGNED
CC| |digitalfreak@lingonborough.
| |com
--- Comment #6 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
1. All links provided in comment 5 consistently confirm that a dot is used as a
grouping (thousands) separator in it_IT, also a comma is used as a decimal
(fraction) separator. Also CLDR which we usually treat as an authoritative
source confirms the same. Currently it_IT provides the same except (as the
original reporter noticed) that it does not provide any grouping separator for
LC_NUMERIC. Therefore I'm going to add a dot as a grouping separator in
LC_NUMERIC in it_IT even if this differs from the original request. Note that
the same values are currently in LC_MONETARY in it_IT.
2. But CLDR also confirms that a similar mark as the original reporter suggests
is used in it_CH (Italian language as used in Switzerland). Currently an ASCII
apostrophe is used in glibc but CLDR says it should be a <U2019> character
(Right Single Quotation Mark, "’"). It is correctly transliterated to an ASCII
apostrophe while building non-Unicode locales. Therefore I'm going to use the
<U2019> character as a grouping separator in LC_NUMERIC in it_CH.
3. But all LC_NUMERIC and LC_MONETARY sections in all Swiss locales (including
LC_MONETARY in it_CH) contain just “copy "de_CH"â€. So maybe LC_NUMERIC should
also contain “copy "de_CH"� True, de_CH uses an ASCII apostrophe as a
grouping separator while CLDR says it should be <U2019>. Also, CLDR says that
a decimal separator for both it_CH and de_CH should be a dot. In glibc it is
correctly set in all Swiss locales except it_CH. Shortly: all Swiss locales
should use an apostrophe (or better the Right Single Quotation Mark) as a
grouping (thousands) separator and a dot as a decimal (fraction) separator.
Therefore instead of what I said in point 2. I am going to use “copy "de_CH"â€
in LC_NUMERIC section of it_CH and I'm going to update de_CH to use <U2019> as
a thousands separator in both LC_NUMERIC and LC_MONETARY.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10797] it_IT locale numeric does not have a separator for thousends
Date: Mon, 10 Sep 2018 21:58:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 527f355e5e97bb0f76e88caadb08d2405cacea94 (commit)
from 7244f13ded2f09c089df768a4587110d181d1fb8 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=527f355e5e97bb0f76e88caadb08d2405cacea94
commit 527f355e5e97bb0f76e88caadb08d2405cacea94
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Mon Sep 10 16:00:45 2018 +0200
Italian and Swiss locales: Use the correct separators (bug 10797).
CLDR and many other sources say that it_IT (Italian) should use a dot
(".") as a thousands separator and a comma (",") as a decimal separator.
For it_CH and de_CH CLDR says that they should use the Right Single
Quotation Mark ("’") as a thousands separator and a dot (".") as a
decimal separator. Consequently, the same rules are copied to all other
locales in Switzerland.
These rules apply to both LC_MONETARY and LC_NUMERIC.
[BZ #10797]
* localedata/locales/de_CH (mon_thousands_sep): Use "<U2019>" (Right
Single Quotation Mark).
(thousands_sep): Likewise.
* localedata/locales/it_CH (LC_NUMERIC): Use “copy "de_CH"â€.
* localedata/locales/it_IT (thousands_sep): Use ".".
(grouping): Use "3;3".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
localedata/locales/de_CH | 4 ++--
localedata/locales/it_CH | 4 +---
localedata/locales/it_IT | 4 ++--
4 files changed, 15 insertions(+), 7 deletions(-)
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>From glibc-bugs-return-43164-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 10 22:01:32 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10797] it_IT locale numeric does not have a separator for thousends
Date: Mon, 10 Sep 2018 22:01:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #8 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed in master, commit 527f355e5e97bb0f76e88caadb08d2405cacea94.
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>From glibc-bugs-return-43165-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 11 14:52:29 2018
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From: "ikalvachev at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23630] New: x86 multiarch works only for i686 target
Date: Tue, 11 Sep 2018 14:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23630
Bug ID: 23630
Summary: x86 multiarch works only for i686 target
Product: glibc
Version: unspecified
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Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: ikalvachev at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
I'm running Slackware. It still tries to support old machines and builds
packages, including glibc, with i586 support.
Unfortunately all SIMD code and CPU detection code is in i686 directory and the
multiarch configure option is ignored when architecture before i686 is
selected.
What is worse, i586 optimized memcpy() uses a 20 years old hack, that reads
from destination memory (in order to "prefetch" a cache line) before
overwriting it.
On my i3 this causes a massive slowdown in Mesa3D, when glibc memcpy() is used
to transfer (small) Buffer Objects from system to video ram, because that
involves PCIe transactions.
I did saw that there is a TODO entry to rename i386 to x86 and move
i486,i586,i686 there. However this is only a cosmetic change...
I do request multiarch support that (when selected) also compiles all x86
architectures above the selected, then at runtime detects the running
architecture and uses the appropriate functions for it.
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>From glibc-bugs-return-43166-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 11 15:20:07 2018
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From: "ppluzhnikov at google dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23631] New: strstr testing is inadequate
Date: Tue, 11 Sep 2018 15:20:00 -0000
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Bug ID: 23631
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strstr function regularly gets broken:
https://sourceware.org/bugzilla/show_bug.cgi?id=14602
https://sourceware.org/bugzilla/show_bug.cgi?id=12092
https://sourceware.org/ml/libc-help/2018-09/msg00000.html
AFAICT, we only test it using the current IFUNC-selected version, and only on a
very small set of inputs.
I think we need a stress-test for it.
I'll take a stab at writing one.
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>From glibc-bugs-return-43167-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 11 18:12:05 2018
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Subject: [Bug libc/23630] x86 multiarch works only for i686 target
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Have you tried using an i586 multilib for true i586, and an i686 multilib for
the rest?
I don't think it's worthwhile to change the i586 sysdep directory at this
point.
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Subject: [Bug libc/14542] HFS+ Filesystem Incompatibility
Date: Tue, 11 Sep 2018 19:18:00 -0000
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John Ericson <John.Ericson at Obsidian dot Systems> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |John.Ericson at Obsidian dot Syste
| |ms
--- Comment #2 from John Ericson <John.Ericson at Obsidian dot Systems> ---
My guess is this actually a duplicate of
https://sourceware.org/bugzilla/show_bug.cgi?id=72, and the bug submitter is
confusing the host platform and the build platform.
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John Ericson <John.Ericson at Obsidian dot Systems> changed:
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----------------------------------------------------------------------------
CC| |John.Ericson at Obsidian dot Syste
| |ms
--- Comment #5 from John Ericson <John.Ericson at Obsidian dot Systems> ---
Case-insensitivity aside, `os` and `oS` are absurdly non-descriptive names. The
only justification of them would be building on platforms with sever file path
restrictions. But the entire point of this patch is to support building file
path restrictions! `o_shared` `o_nonshared` actually mean something, and
incidentally solve this issue.
Perhaps this isn't clear, but glibc isn't just one of many of things that won't
build easily. GCC, binutils, and numerous other software build just fine on
Darwin. As proof, I have a declarative support for a darwin->linux cross
compiler here: https://github.com/NixOS/nixpkgs/pull/46534/files. Note how
glibc is the only component that needs patches of significant magnitude. And of
the two patches it needs, this is by far the bigger one (in lines touched but
not complexity).
I have no love for case-insensitive file systems, but please cease to be the
weakest link in the chain.
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>From glibc-bugs-return-43170-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 11 19:49:34 2018
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--- Comment #6 from John Ericson <John.Ericson at Obsidian dot Systems> ---
Created attachment 11236
--> https://sourceware.org/bugzilla/attachment.cgi?id=11236&action=edit
Fix for 2.27 master, with more descriptive extensions
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>From glibc-bugs-return-43171-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 11 20:43:33 2018
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Subject: [Bug string/23631] strstr testing is inadequate
Date: Tue, 11 Sep 2018 20:43:00 -0000
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--- Comment #1 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Likewise for memmem.
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>From glibc-bugs-return-43172-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 01:33:11 2018
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Subject: [Bug stdio/23636] New: BZ 1190 Make EOF sticky in stdio CUPS print jobs hang at processing
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Bug ID: 23636
Summary: BZ 1190 Make EOF sticky in stdio CUPS print jobs hang
at processing
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https://github.com/apple/cups/issues/5396
https://github.com/OpenPrinting/cups-filters/issues/58
File I/O seems to be fine with the patch but pipes as set up by CUPS are not.
We have printers that won't print and a test program that doesn't produce the
expected output.
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>From glibc-bugs-return-43173-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 07:08:00 2018
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Subject: [Bug libc/23630] x86 multiarch works only for i686 target
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--- Comment #2 from Ivan Kalvachev <ikalvachev at gmail dot com> ---
> Have you tried using an i586 multilib for true i586, and an i686 multilib for the rest?
You mean, in addition to my Slackware32 i586 glibc, I have to compile my own
i686 multi-arch and place it in funky directory like /lib/i686 ?
I do not want to compile my own glibc every time my distro makes a minor update
in the package. And I do not want to hunt down problems that nobody else does.
Problems that might stem from the fact that each glibc might have minor
compilation flag differences and the programs could load a nasty i586 and i686
combinations of the provided libraries.
I want to use my distro package and to be sure that glibc would do the sane
thing.
>From the documentation I get the impression that glibc still supports i486.
I can see i486 memcpy() variant in addition to the i586 and i686 ones.
Unless you plan on dropping i486 and i586 support in a year, then please,
make it proper.
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>From glibc-bugs-return-43174-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 07:14:40 2018
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Subject: [Bug libc/23630] x86 multiarch works only for i686 target
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |WORKSFORME
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Ivan Kalvachev from comment #2)
> You mean, in addition to my Slackware32 i586 glibc, I have to compile my own
> i686 multi-arch and place it in funky directory like /lib/i686 ?
No, Slackware should do this for you.
> I do not want to compile my own glibc every time my distro makes a minor
> update in the package. And I do not want to hunt down problems that nobody
> else does. Problems that might stem from the fact that each glibc might have
> minor compilation flag differences and the programs could load a nasty i586
> and i686 combinations of the provided libraries.
It will work fine if the distribution implements this correctly (which isn't
hard). We did this in Fedora for a long time (although for Xen PV support, not
i586).
This is a distribution problem, and not something that has to change in the
upstream sources.
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| |illa/show_bug.cgi?id=23636
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>From glibc-bugs-return-43175-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 08:47:25 2018
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Subject: [Bug stdio/23636] BZ 1190 Make EOF sticky in stdio CUPS print jobs hang at processing
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
While double-checking whether we reset _IO_EOF_SEEN in the required places, I
found this:
fp->_IO_read_end += count;
if (count == 0)
{
/* If a stream is read to EOF, the calling application may switch active
handles. As a result, our offset cache would no longer be valid, so
unset it. */
fp->_offset = _IO_pos_BAD;
return EOF;
}
So there was once an expectation that you replace the underlying descriptor
(with dup2) after reaching EOF, and this is what cups-filters is doing.
Unfortunately, this extension breaks POSIX compliance in other cases (bug
1190).
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--- Comment #3 from lance <286000435 at qq dot com> ---
(In reply to Andreas Schwab from comment #2)
> What is the exact contents of the array s?
This is new code:
#include <iconv.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void print_buf(char* buf, size_t len)
{
size_t i;
for (i = 0; i < len; ++i) {
printf("%02X ", (unsigned char)buf[i]);
}
printf("\n");
}
int main(int argc, char** argv)
{
char s[] = "æ—©è¦‹ç´”î —";
print_buf(s, sizeof(s));
iconv_t cd = iconv_open("GB18030", "UTF-8");
if (cd <= 0 ) {
printf("iconv_open fail\n");
return 0;
}
size_t inbytesleft = sizeof(s) - 1;
char dst[6 * sizeof(s)] = { 0 };
size_t outbytesleft = sizeof(dst) - 1;
char* inbuf = s;
char* outbuf = dst;
if (iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft) ==
(size_t)-1) {
printf("iconv fail: %d\n", errno);
}
iconv_close(cd);
size_t n = strlen(dst);
printf("inbytesleft: %u, outbytesleft: %u, dst len: %u\n", inbytesleft,
outbytesleft, n);
print_buf(dst, n);
return 0;
}
array s contents is :
E6 97 A9 E8 A6 8B E7 B4 94 EE A0 97 00
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>From glibc-bugs-return-43178-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 10:08:37 2018
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From: "ikalvachev at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23630] x86 multiarch works only for i686 target
Date: Wed, 12 Sep 2018 10:08:00 -0000
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Ivan Kalvachev <ikalvachev at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|WORKSFORME |---
--- Comment #4 from Ivan Kalvachev <ikalvachev at gmail dot com> ---
(In reply to Florian Weimer from comment #3)
> (In reply to Ivan Kalvachev from comment #2)
> It will work fine if the distribution implements this correctly (which isn't
> hard). We did this in Fedora for a long time (although for Xen PV support,
> not i586).
Well, one problem is that a lot of the fine details about building glibc are
not documented at all. A lot of the work involves try and error or asking glibc
developers.
I've never found anything saying that multi-arch works only on i686, I had to
experiment a lot before I could find how to get SIMD functions.
Actually, last time I tried building i586 with multi-arch on glibc.2.28 it
failed during build time. Something about missing _memcmp_ia32 ...
So please, investigate a little before closing a bug.
> This is a distribution problem, and not something that has to change in the
> upstream sources.
I asked the distribution first and I was not able to convince Patrik.
I have asked Mesa3D and they do not think it is their problem.
And you think it is distribution problem.
I'm just running in a circles where everybody thinks it is not their problem.
Every other program in the world that uses SIMD, checks CPUID and picks the
most fitting function. Only glibc for some historical reasons has a multiple
builds for x86_32 architecture that are not compatible with each other.
It's something that should have been fixed 17 years ago.
I understand why you do not want to work on it, even if it is a task that could
be done for a day (excluding QA testing). It is not something that would
benefit your employer RH.
But please, at very minimum, add it to the TODO list, next to the i386/x86
reorganization. Maybe somebody will find the will to fix that horrible mess.
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>From glibc-bugs-return-43179-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 10:57:29 2018
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From: "wdijkstr at arm dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23637] New: Generic strstr/strcasestr fails with huge needles
Date: Wed, 12 Sep 2018 10:57:00 -0000
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Bug ID: 23637
Summary: Generic strstr/strcasestr fails with huge needles
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: wdijkstr at arm dot com
Target Milestone: ---
As reported in https://sourceware.org/ml/libc-help/2018-09/msg00000.html , the
generic strstr in GLIBC2.28 fails to match huge needles. The optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle length is
larger than this, two_way_long_needle may confuse this as meaning the end of
the string and return NULL. The fix is to also include the needle length in the
amount to read ahead.
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Subject: [Bug stdio/23636] Fix for bug 1190 breaks stream concatenation via dup2
Date: Wed, 12 Sep 2018 11:56:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|BZ 1190 Make EOF sticky in |Fix for bug 1190 breaks
|stdio CUPS print jobs hang |stream concatenation via
|at processing |dup2
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
More concretely: My concern is that as the source comment above implies, we
used to support concatenating multiple files (or pipes) into the same stdio
stream using dup2, as an extension over POSIX. The fix for bug 1190 removed
that extension, breaking existing software.
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Subject: [Bug dynamic-link/23638] New: LLVM lld creates absolute relocations when they should be relative
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Bug ID: 23638
Summary: LLVM lld creates absolute relocations when they should
be relative
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: fweimer at redhat dot com
Reporter: fweimer at redhat dot com
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Flags: security-
Before this lld fix:
https://reviews.llvm.org/rL308681
https://llvm.org/viewvc/llvm-project?view=revision&revision=308681
https://github.com/llvm-project/lld/commit/1adba6d5d2f5f51d0719e81f71461437ecc1bd59
“
Fix symbol type with icf.
We were not looking at Repl and so thinking there was no output
section associated with the merged symbol. Because of that it was
produced as absolute.
This was found by an internal round of testing.
â€
lld created invalid executables which happened to work with glibc before bug
19818 was fixed with this commit:
commit e7feec374c635b6a29d65c39ae5e1855528fed39
Author: Maciej W. Rozycki <macro@mips.com>
Date: Wed Apr 4 23:09:37 2018 +0100
elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ #19818]
Running such invalid binaries on a fixed glibc will result in crashes.
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Subject: [Bug dynamic-link/19818] Absolute (SHN_ABS) symbols incorrectly relocated by the base address
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What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23638
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Subject: [Bug dynamic-link/23638] LLVM lld creates absolute relocations when they should be relative
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
See Also| |https://github.com/electron
| |/electron/issues/13972
Resolution|--- |INVALID
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
This bug is just here to capture the information in glibc Bugzilla.
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Subject: [Bug stdio/23636] Fix for bug 1190 breaks stream concatenation via dup2
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://github.com/apple/cu
| |ps/issues/5396
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug stdio/23636] Fix for bug 1190 breaks stream concatenation via dup2
Date: Wed, 12 Sep 2018 12:33:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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| |ting/cups-filters/issues/58
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>From glibc-bugs-return-43186-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 12:43:26 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23630] x86 multiarch works only for i686 target
Date: Wed, 12 Sep 2018 12:43:00 -0000
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--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
i386 and x86 sysdeps directories mean different things: i386 is
specifically 32-bit (now i486 or later), x86 is for code shared between
32-bit and 64-bit (code common to i386 and x86_64, including x32).
Note that 32-bit SPARC only has multiarch for sparcv9, 32-bit Power only
has it for POWER4 and later and 32-bit Arm only has it for Armv7 and
later. That is, it's normal for the multiarch support to be only for
modern processors, with an expectation that if someone is building for an
older architecture variant they are building for one particular system
with a particular old processor, not for a general-purpose distribution
that may run on a wide range of hardware.
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>From glibc-bugs-return-43187-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 15:01:30 2018
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Subject: [Bug stdio/23636] Fix for bug 1190 breaks stream concatenation via dup2
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| |/show_bug.cgi?id=1628255
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>From glibc-bugs-return-43188-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 15:42:48 2018
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Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
Date: Wed, 12 Sep 2018 15:42:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 5a274db4ea363d6b0b92933f085a92daaf1be2f2 (commit)
from 4e7fbdd7c2884e8909ea8f2f59d52f7d0c699252 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a274db4ea363d6b0b92933f085a92daaf1be2f2
commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
sysdeps/i386/start.S | 10 ++++++----
2 files changed, 14 insertions(+), 4 deletions(-)
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>From glibc-bugs-return-43189-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 15:53:12 2018
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From: "eblake at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23640] New: no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
Date: Wed, 12 Sep 2018 15:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23640
Bug ID: 23640
Summary: no way to easily clear FD_CLOEXEC in
posix_spawn_file_actions_adddup2()
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: eblake at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
http://austingroupbugs.net/view.php?id=411 proposes adding more atomic
FD_CLOEXEC into POSIX interfaces, in part based on what glibc has done. But it
picked up on one thing that glibc has not yet changed: if you have a
multi-threaded app that has been converted to properly use O_CLOEXEC on ALL
file opens, and then want to hand-choose which fds are then purposefully
inherited into a child process, your normal course of action is to use
fcntl(F_SETFD) in between fork() and exec*() - but there is no counterpart to
this when using posix_spawn() instead of fork/exec. Unfortunately, using
posix_spawn_file_actions_adddup2(&act, fd, fd) is currently a no-op in glibc -
if fd already has FD_CLOEXEC set, the child process will not inherit fd. A
smarter course of action is to have the dup2 action in the file_actions list
result in the proper fcntl() in the child process, as a way of intentionally
marking an fd as inherited into that particular child while still remaining
FD_CLOEXEC in the parent.
Here's what the POSIX wording has to say:
"Also, I don't know of any platform where posix_spawn_file_actions_adddup2( )
can clear FD_CLOEXEC, but that seems like a useful change to make while
tightening the specification on how to properly use FD_CLOEXEC, since the
only standardized alternative for explicitly handing a file descriptor to
the child process while leaving it FD_CLOEXEC in the parent process involves
more complexity and risks EMFILE failure.
...
At line 46976 [XSH posix_spawn_file_actions_adddup2], add a sentence:
If fildes and newfildes are equal, then the action shall ensure that
the FD_CLOEXEC flag of fildes is cleared (even though dup2( ) would
leave it unchanged).
After line 46999 [XSH posix_spawn_file_actions_adddup2], add the
following:
Although dup2( ) is required to do nothing when fildes and newfildes
are equal and fildes is an open descriptor, the use of
posix_spawn_file_actions_adddup2( ) is required to clear the
FD_CLOEXEC flag of fildes. This is because there is no counterpart of
posix_spawn_file_actions_fcntl( ) that could be used for clearing the
flag; it would also be possible to achieve this effect by using two
calls to posix_spawn_file_actions_adddup2( ) and a temporary fildes
value known to not conflict with any other file descriptors, coupled
with a posix_spawn_file_actions_close( ) to avoid leaking the
temporary, but this approach is complex, and risks EMFILE or ENFILE
failure that can be avoided with the in-place removal of FD_CLOEXEC.
There is no need for posix_spawn_file_actions_adddup3( ), since it
makes no sense to create a file descriptor with FD_CLOEXEC set before
spawning the child process, where that file descriptor would
immediately be closed again.
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>From glibc-bugs-return-43190-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 16:10:12 2018
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From: "eblake at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23640] no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
Date: Wed, 12 Sep 2018 16:10:00 -0000
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--- Comment #1 from Eric Blake <eblake at redhat dot com> ---
The attachment to POSIX bug 411 at
http://austingroupbugs.net/file_download.php?file_id=36&type=bug has a slightly
updated wording proposal:
At page 1433 line 46976 [XSH posix_spawn_file_actions_adddup2( ) DESCRIPTION],
add a sentence:
If fildes and newfildes are equal, then the action shall ensure that newfildes
is inherited by the new process with FD_CLOEXEC clear, even if the FD_CLOEXEC
flag of fildes is set at the time the new process is spawned, and even though
dup2( ) would not make such a change.
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>From glibc-bugs-return-43191-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 16:16:38 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Wed, 12 Sep 2018 16:16:00 -0000
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>From glibc-bugs-return-43192-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 16:18:13 2018
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Subject: [Bug string/23631] strstr testing is inadequate
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>From glibc-bugs-return-43193-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 19:53:56 2018
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From: "frederik-sourceware at ofb dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nscd/23546] Problems with nscd and systemd-resolved interactions on IPv6 network.
Date: Wed, 12 Sep 2018 19:53:00 -0000
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--- Comment #3 from Frederick Eaton <frederik-sourceware at ofb dot net> ---
I just saw that the title was changed to "Problems with nscd and
systemd-resolved interactions on IPv6 network.". I'm not sure if it is accurate
to call it an IPv6 network, I haven't configured anything IPv6-related on
either my computers or on the router. The problem is related to IPv6, but the
network is a "typical" home network, with a consumer-grade linksys router
serving IPs in the 192.168.1.* range.
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>From glibc-bugs-return-43194-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 12 19:56:31 2018
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From: "martinrb at google dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
Date: Wed, 12 Sep 2018 19:56:00 -0000
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--- Comment #12 from Martin Buchholz <martinrb at google dot com> ---
glibc's spawni.c does use CLONE_VM but there is other implementation magic in
that file that keeps mere mortals from using the same strategy.
./sysdeps/unix/sysv/linux/spawni.c:361: CLONE_VM | CLONE_VFORK |
SIGCHLD, &args);
See also discussion
"""system and popen fail in case of big application"""
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>From glibc-bugs-return-43195-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 13 16:40:42 2018
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Subject: [Bug libc/23649] New: [microblaze/mips/nios2/riscv] sys/procfs.h pr_uid, pr_gid have wrong type
Date: Thu, 13 Sep 2018 16:40:00 -0000
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Bug ID: 23649
Summary: [microblaze/mips/nios2/riscv] sys/procfs.h pr_uid,
pr_gid have wrong type
Product: glibc
Version: 2.28
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As noted in <https://sourceware.org/ml/libc-alpha/2018-09/msg00178.html>,
glibc's sys/procfs.h headers for microblaze, mips (n64), nios2 and riscv have
incorrect types for the pr_uid and pr_gid members of struct elf_prpsinfo (as
does the generic Linux version, but nothing uses that).
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>From glibc-bugs-return-43197-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 13 17:57:59 2018
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Subject: [Bug nptl/23651] pthread_mutex_lock robust hangs
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>From glibc-bugs-return-43196-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 13 17:57:49 2018
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Subject: [Bug nptl/23651] New: pthread_mutex_lock robust hangs
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https://sourceware.org/bugzilla/show_bug.cgi?id=23651
Bug ID: 23651
Summary: pthread_mutex_lock robust hangs
Product: glibc
Version: unspecified
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Created attachment 11241
--> https://sourceware.org/bugzilla/attachment.cgi?id=11241&action=edit
Original test program demonstrating the bug
I previously filed this bug against ubuntu but it received no attention there.
Another user updated it, prompting me to do further testing. It seems worth
opening an issue here. The original bug report is here:
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1706780
Bug description:
I'm using an interprocess (process-shared, robust) pthread_mutex located in
shared memory to synchronize access to a data structure. It has caused a hang
on several occasions when the process whose thread holds the lock crashed.
99.9% of the time I do not experience the issue. If one of my processes goes
down, the other receives EOWNERDEAD from the pthread_mutex_lock call as
expected, and uses pthread_mutex_consistent to recover the lock. Once in a
while when a process crashes, the pthread_mutex_lock simply never completes.
After much experimentation, I've managed to create a test case that reproduces
the problem more than 90% of the time. Unfortunately, running it under strace
apparently changes something about it, so I cannot tell exactly what is going
wrong at the syscall level (not sure I would be able to decode that anyway).
My best guess about the conditions necessary is:
Process 1, thread 1 acquires the lock
Process 1, thread 2 attempts to acquire the lock (hence waiting in
__lll_robust_lock_wait)
Process 2 attempts to acquire the lock (also waiting in
___lll_robust_lock_wait)
Process 1 crashes.
Process 2 is left waiting in __lll_robust_lock_wait forever
I believe the sequence of locking threads is important to reproducing it.
Once in this state, any other caller attempting to lock the mutex also hangs.
The mutex data structure (__owner) still shows process 1, thread 1 as the
owning thread.
I don't have the glibc or futex background to go further with debugging.
Test program is attached as tr.c
Note that the other user (Austin Hendrix, ~namniart) added this info yesterday:
> I'm using robust mutexes in a similar way, and I've found that if I use PTHREAD_PRIO_INHERIT attribute on my mutexes, I can no longer reproduce this bug.
> It looks like this is similar to https://bugzilla.redhat.com/show_bug.cgi?id=1401665 .
That information seems useful in troubleshooting this and I get the same result
as he does, but I cannot see how setting the priority inheritance in any
particular way *should* be necessary to prevent a hang.
FWIW, I have just tested this against a locally compiled glibc-2.28 but my
kernel is still from ubuntu-16.04.5 (ubuntu package
linux-image-4.4.0-131-generic)
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>From glibc-bugs-return-43198-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 13 17:59:50 2018
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Subject: [Bug nptl/23651] pthread_mutex_lock robust hangs
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--- Comment #1 from Jeff Barber <jeffbabar at gmail dot com> ---
Created attachment 11242
--> https://sourceware.org/bugzilla/attachment.cgi?id=11242&action=edit
Version of the test with PTHREAD_PRIO_INHERIT (that does not demonstrate the
issue)
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>From glibc-bugs-return-43199-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 14 10:23:53 2018
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From: "ossu at chromium dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23654] New: Memory leak in gconv_cache.c
Date: Fri, 14 Sep 2018 10:23:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23654
Bug ID: 23654
Summary: Memory leak in gconv_cache.c
Product: glibc
Version: 2.24
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: ossu at chromium dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Chromium's AddressSanitizer just stumbled on a memory leak in gconv_cache.c
when opening a file for reading with ccs=UTF-8:
Direct leak of 208 byte(s) in 1 object(s) allocated from:
#0 0xb93b73 in __interceptor_malloc _asan_rtl_:3
#1 0x7f0ca6447ea3 in __gconv_lookup_cache
/tmp/build-debs.Lfl5zt/glibc-2.24/iconv/gconv_cache.c:372
[...]
Since it's just started showing up, and the test itself hasn't been modified in
ages, it looks like it's been introduced in a recent version of glibc.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23654] Memory leak in gconv_cache.c
Date: Fri, 14 Sep 2018 12:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23654
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Hmm. valgrind says about this:
==2992== 208 bytes in 1 blocks are definitely lost in loss record 1 of 2
==2992== at 0x4C2CB6B: malloc (vg_replace_malloc.c:299)
==2992== by 0x4E62E9C: __gconv_lookup_cache (gconv_cache.c:371)
==2992== by 0x4E5BDC1: __gconv_find_transform (gconv_db.c:743)
==2992== by 0x4EE69E9: __wcsmbs_getfct (wcsmbsload.c:91)
==2992== by 0x4EE6D3B: __wcsmbs_named_conv (wcsmbsload.c:242)
==2992== by 0x4EB2B4E: _IO_file_fopen@@GLIBC_2.2.5 (fileops.c:361)
==2992== by 0x4EA6373: __fopen_internal (iofopen.c:86)
==2992== by 0x400708: main (fopen-ccs.c:19)
==2992==
==2992== 208 bytes in 1 blocks are definitely lost in loss record 2 of 2
==2992== at 0x4C2CB6B: malloc (vg_replace_malloc.c:299)
==2992== by 0x4E62D6D: __gconv_lookup_cache (gconv_cache.c:371)
==2992== by 0x4E5BDC1: __gconv_find_transform (gconv_db.c:743)
==2992== by 0x4EE69E9: __wcsmbs_getfct (wcsmbsload.c:91)
==2992== by 0x4EE6D5E: __wcsmbs_named_conv (wcsmbsload.c:246)
==2992== by 0x4EB2B4E: _IO_file_fopen@@GLIBC_2.2.5 (fileops.c:361)
==2992== by 0x4EA6373: __fopen_internal (iofopen.c:86)
==2992== by 0x400708: main (fopen-ccs.c:19)
This is with:
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>
int
main (int argc, char **argv)
{
if (argc != 3)
errx (1, "usage: %s PATH CODESET", argv[0]);
const char *path = argv[1];
const char *codeset = argv[2];
FILE *fp;
{
char *mode;
if (asprintf (&mode, "r,ccs=%s", codeset) < 0)
err (1, "asprintf");
fp = fopen (path, mode);
if (fp == NULL)
err (1, "fopen");
free (mode);
}
wint_t ch = fgetwc (fp);
if (feof (fp))
puts ("file is empty");
else if (ferror (fp))
err (1, "fgetwc");
else
printf ("character: 0x%x\n", (int) ch);
fclose (fp);
return 0;
}
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23654] Memory leak in gconv_cache.c
Date: Fri, 14 Sep 2018 12:58:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
This is probably not a recent regression, we see it in our 2.17-based build as
well.
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Subject: [Bug libc/23649] [microblaze/mips/nios2/riscv] sys/procfs.h pr_uid, pr_gid have wrong type
Date: Fri, 14 Sep 2018 13:22:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d59f3e5e0fd518eeed1ec11886fd796d163cea5d
commit d59f3e5e0fd518eeed1ec11886fd796d163cea5d
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Sep 14 13:21:33 2018 +0000
Fix sys/procfs.h pr_uid, pr_gid type (bug 23649).
As noted in
<https://sourceware.org/ml/libc-alpha/2018-09/msg00178.html>, glibc's
sys/procfs.h headers for microblaze, mips (n64), nios2 and riscv have
incorrect types for the pr_uid and pr_gid members of struct
elf_prpsinfo (as does the generic Linux version, but nothing uses
that).
This patch fixes those headers to use unsigned int. The generic Linux
version is also fixed, but I do *not* recommend making new
architectures use it yet. Rather, I think it should be reworked to
look more like a copy of the AArch64 version, but with a new
<bits/procfs.h> header included to provide register set definitions;
<bits/procfs.h> would then be architecture-specific while many
architectures could use the generic <sys/procfs.h>. This fix is
deliberately separate from any reworking to use a generic header more,
since it's possible there could be uses for backporting this fix but
not for backporting a subsequent cleanup.
Tested with build-many-glibcs.py. This of course doesn't provide much
validation of the structure layout; if the Linux kernel is fixed so
that "#include <linux/elfcore.h>" actually compiles with the headers
from "make headers_install" (and if the layout in both headers is
meant to be the same, whatever ABI we are building for), I have a test
that can be added to glibc to check the layout against that from the
Linux kernel.
[BZ #23649]
* sysdeps/unix/sysv/linux/microblaze/sys/procfs.h (struct
elf_prpsinfo): Use unsigned int for pr_uid and pr_gid.
* sysdeps/unix/sysv/linux/mips/sys/procfs.h (struct elf_prpsinfo):
Likewise.
* sysdeps/unix/sysv/linux/nios2/sys/procfs.h (struct
elf_prpsinfo): Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/procfs.h (struct
elf_prpsinfo): Likewise.
* sysdeps/unix/sysv/linux/sys/procfs.h (struct elf_prpsinfo):
Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
NEWS | 5 +++++
sysdeps/unix/sysv/linux/microblaze/sys/procfs.h | 4 ++--
sysdeps/unix/sysv/linux/mips/sys/procfs.h | 4 ++--
sysdeps/unix/sysv/linux/nios2/sys/procfs.h | 4 ++--
sysdeps/unix/sysv/linux/riscv/sys/procfs.h | 4 ++--
sysdeps/unix/sysv/linux/sys/procfs.h | 4 ++--
7 files changed, 27 insertions(+), 10 deletions(-)
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Subject: [Bug libc/23649] [microblaze/mips/nios2/riscv] sys/procfs.h pr_uid, pr_gid have wrong type
Date: Fri, 14 Sep 2018 13:25:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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>From glibc-bugs-return-43204-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 14 14:39:17 2018
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Subject: [Bug libc/23656] New: [mips n32] sys/procfs.h pr_sigpend, pr_sighold, pr_flag have wrong type
Date: Fri, 14 Sep 2018 14:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23656
Bug ID: 23656
Summary: [mips n32] sys/procfs.h pr_sigpend, pr_sighold,
pr_flag have wrong type
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: mips*-*-linux*
As discussed at <https://sourceware.org/ml/libc-alpha/2018-09/msg00191.html>
and followup discussions, the MIPS n32 definitions of pr_sigpend and pr_sighold
in struct elf_prstatus, and pr_flag in struct elf_prpsinfo, are wrong to use
unsigned long long int; actual n32 core dumps use a 32-bit type there, so
userspace unsigned long int is correct for all MIPS ABIs.
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Subject: [Bug libc/23656] [mips n32] sys/procfs.h pr_sigpend, pr_sighold, pr_flag have wrong type
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 3f7f1d180d6f1cef2c4ea83f5bda76516a75212a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Sep 14 16:02:57 2018 +0000
Fix MIPS n32 pr_sigpend, pr_sighold, pr_flag type (bug 23656).
As discussed at
<https://sourceware.org/ml/libc-alpha/2018-09/msg00191.html> and
followup discussions, the MIPS n32 definitions of pr_sigpend and
pr_sighold in struct elf_prstatus, and pr_flag in struct elf_prpsinfo,
are wrong to use unsigned long long int; actual n32 core dumps use a
32-bit type there, so userspace unsigned long int is correct for all
MIPS ABIs. This patch removes the conditionals (also thereby aligning
the structures with other architectures and so facilitating future
unification of different versions of this header).
Tested with build-many-glibcs.py for its MIPS configurations.
[BZ #23656]
* sysdeps/unix/sysv/linux/mips/sys/procfs.h (struct elf_prstatus):
Remove [_MIPS_SIM = _ABIN32] conditional case.
(struct elf_prpsinfo): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
NEWS | 6 ++++++
sysdeps/unix/sysv/linux/mips/sys/procfs.h | 9 ---------
3 files changed, 11 insertions(+), 9 deletions(-)
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Subject: [Bug libc/23656] [mips n32] sys/procfs.h pr_sigpend, pr_sighold, pr_flag have wrong type
Date: Fri, 14 Sep 2018 16:05:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/10425] it_IT/it_CH: LC_TIME format is wrong
Date: Fri, 14 Sep 2018 20:24:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
CC| |digitalfreak@lingonborough.
| |com
--- Comment #19 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Much has changed since the last patch has been attached therefore it does not
apply cleanly now.
For Italian [1] CLDR says that the correct medium date format is "d MMM y" (5
set 1999), correct medium time format is "HH:mm:ss" (13:25:59), correct medium
date and time format is "d MMM y, HH:mm:ss" (5 set 1999, 13:25:59).
For Italian in Switzerland [2] it provides the same data although marks them as
"unconfirmed".
(In reply to Nicolo' Chieffo from comment #18)
> Ok, so I will change date_fmt to not contain abbreviations.
I've checked some locales and they all contain abbreviations in date_fmt so I
think it is perfectly OK to contain abbreviations.
> What about the timezone? Should it be present for both date_fmt and d_fmt?
Most (but not all) of the locales contain the timezone in d_t_fmt but the
default C locale does not. Therefore I think it is correct not to include the
timezone in d_t_fmt but include it in date_fmt.
Now about the patch:
> * d_t_fmt: "%a %e %b %Y, %T, %Z"
> - remove the leading zero in the day of month using '%e' instead of '%b'
Good idea but I think you'd rather use "%-d" which means "do not pad with
zero". "%e" means "pad with space", "%-e" means "do not pad with space" and
therefore has the same effect as "%-d". Also, I think that the timezone should
be removed.
I will write a new patch and replace it with "%-d" and remove ", %Z".
> - add ',' to separate date, time and timezone
Good, CLDR says that date and time should be separated with a comma.
> * t_fmt: "%H.%M.%S"
> - express the time in the expanded way instead of using '%T', to be sure to
> use the correct values
CLDR says there should be colons rather than dots therefore I will reject this
change. Also I will restore the format with colons in date_fmt. "%T" means
that "%H:%M:%S" is used literally therefore it is correct.
> * date_fmt: "%c"
> - make date_fmt and d_t_fmt the same
As said above, date_fmt should contain the timezone while d_t_fmt (which is
used by "%c") should not. Therefore I think that the correct date_fmt should
be "%a %-d %b %Y, %T, %Z" (ven 14 set 2018, 22:07:41, CEST)
Also, I will change d_fmt in it_CH from "%d. %m. %y" (which looks bad) to
"%d.%m.%Y" (which is the same as de_CH and is almost the same as CLDR
suggests). I will not change d_fmt in it_IT because it looks almost the same
as CLDR. (In both cases CLDR suggests two-digit year while we have four
digits.)
[1] http://st.unicode.org/cldr-apps/v#/it/Gregorian/
[2] http://st.unicode.org/cldr-apps/v#/it_CH/Gregorian/
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Subject: [Bug localedata/10425] it_IT/it_CH: LC_TIME format is wrong
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
Attachment #5002|0 |1
is obsolete| |
--- Comment #20 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 11247
--> https://sourceware.org/bugzilla/attachment.cgi?id=11247&action=edit
Proposed final solution
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>From glibc-bugs-return-43209-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 15 09:37:08 2018
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Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Sat, 15 Sep 2018 09:37:00 -0000
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Bruno Haible <bruno at clisp dot org> changed:
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--- Comment #1 from Bruno Haible <bruno at clisp dot org> ---
A test case for strstr has been posted in
https://sourceware.org/ml/libc-alpha/2018-09/msg00195.html .
But do you also have a test case for strcasestr?
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>From glibc-bugs-return-43210-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 15 14:46:38 2018
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From: "pravin.d.s at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10502] sorting between Indic Languages should be as per unicode code point
Date: Sat, 15 Sep 2018 14:46:00 -0000
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--- Comment #2 from Pravin S <pravin.d.s at gmail dot com> ---
Hi Mike,
This is not about incorrect sorting. But what should be order when different
scripts come together. Example:
I think order for these codepoints should be as follows:
u+0915, u+0995, u+0A15, u+0A95, u+0B15, u+0B95
I dont remember any reference as of now, but when we decide sorting order
between different Unicode script, what should we follow? And IMO answer is
http://www.unicode.org/Public/UCA/latest/allkeys.txt
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Subject: [Bug libc/23630] x86 multiarch works only for i686 target
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--- Comment #6 from Ivan Kalvachev <ikalvachev at gmail dot com> ---
(In reply to joseph@codesourcery.com from comment #5)
> i386 and x86 sysdeps directories mean different things: i386 is
> specifically 32-bit (now i486 or later), x86 is for code shared between
> 32-bit and 64-bit (code common to i386 and x86_64, including x32).
>
> Note that 32-bit SPARC only has multiarch for sparcv9, 32-bit Power only
> has it for POWER4 and later and 32-bit Arm only has it for Armv7 and
> later. That is, it's normal for the multiarch support to be only for
> modern processors, with an expectation that if someone is building for an
> older architecture variant they are building for one particular system
> with a particular old processor, not for a general-purpose distribution
> that may run on a wide range of hardware.
You know, one bad thing does not excuse another bad thing.
It's even worse if your argument is that you are systematically bad.
I do not like your entirely arbitrary definition of "modern processor", either.
Is Pentium Pro a modern processor? And if it is, then by what definition its
predecessor Pentium is not?
I do prefer to argue about concrete technical limitations.
What we are talking here is literally picking hand written assembly
speed-critical functions, selected by the result of CPUID test.
I'm not familiar with these other architectures you mention, but I do suspect
that in most cases, there is no reliable way to figure out the exact
architecture of the running processor, and/or instruction sets are not 100%
backward compatible (without missing significant speed boost).
Neither of these things are valid for x86_32.
---
There are two i686 instruction that are not present in i586.
"UD2" is guaranteed to cause invalid instruction (for trap testing).
"CMOV" is a branch-less conditional move. With modern jump prediction and
speculative out-of-order execution its speed benefits are not that significant,
and in few extreme cases could even be slower.
Only __ffs() has assembly using "cmov", the rest are compiler generated. I did
count the conditional moves over the conditional branches in i686 libc.so .
They are 783/47209 or around 1,7%.
---
There are three userland i586 instructions not present in i486.
"CMPXCHG8B" 64bit atomic compare and exchange. Not used by any library in my
i686 glibc-2.28 build.
"RDTSC" reads timestamp counter. Could be used by gettimeofday() as high
precision clock source. Some AMD CPUs have a nasty quirk with it...
"CPUID" reports details about supported instruction sets, architecture etc..
To avoid triggering illegal instruction, CPUID support is detected by setting
the 21bit in the EFLAG Register.
---
I'll state it this way. There are no technical reasons to not support
multi-arch on i586 (or i486).
Currently i586 glibc-2.28 fails during build if configured with --multi-arch.
There is no documentation stating i686 is the only supported multi-arch.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23668
Bug ID: 23668
Summary: [PATCH] Default to the new format for ld.so.cache
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: josh at joshtriplett dot org
Target Milestone: ---
Created attachment 11250
--> https://sourceware.org/bugzilla/attachment.cgi?id=11250&action=edit
[PATCH] Default to the new format for ld.so.cache
glibc has supported the new ld.so.cache format for 18+ years, and the
old/compat versions date back to around the libc5 era. Switching to the new
format makes the cache smaller, and slightly faster to load.
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>From glibc-bugs-return-43213-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 10:32:07 2018
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From: "wdijkstr at arm dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Mon, 17 Sep 2018 10:32:00 -0000
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--- Comment #2 from Wilco <wdijkstr at arm dot com> ---
(In reply to Bruno Haible from comment #1)
> A test case for strstr has been posted in
> https://sourceware.org/ml/libc-alpha/2018-09/msg00195.html .
>
> But do you also have a test case for strcasestr?
A testcase for strcasestr would be identical.
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>From glibc-bugs-return-43214-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 11:25:23 2018
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From: "bruno at clisp dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Mon, 17 Sep 2018 11:25:00 -0000
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--- Comment #3 from Bruno Haible <bruno at clisp dot org> ---
(In reply to Wilco from comment #2)
> A testcase for strcasestr would be identical.
I thought so as well. But when I transposed the strstr test case to use
strcasestr, I found that it did not fail in glibc 2.28 in x86 mode. See
https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00077.html
Note that there are subtle differences between string/strstr.c and
string/strcasestr.c.
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>From glibc-bugs-return-43215-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 12:39:38 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23630] x86 multiarch works only for i686 target
Date: Mon, 17 Sep 2018 12:39:00 -0000
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--- Comment #7 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
When adding subarchitecture variants of functions we need to balance
speed, size and maintainability, so it's certainly reasonable to say that
for some variants we will build a working glibc but not try to make it
particularly optimal, and certainly not try to make it optimal when
running on a different subarchitecture. We could reasonably say that
processors older than those for which -mtune=generic optimizes (which is a
lot more recent than i686) aren't a target for optimzed code variants, for
example.
As a matter of maintainability I think it would be a good idea to
eliminate the i586, i686 and i786 sysdeps directories. That would mean
that the i586-optimized functions simply go away. i686-tuned functions
that work on i486 would replace the existing generic functions in
sysdeps/i386; those using i686 instructions would need appropriate
preprocessor conditionals (which means a version of the compile-time
condition for HAS_I686 in x86/cpu-features.h would need to be made
available for .S files, with appropriate conditions to ensure a #error if
the compiler neither defines any macros known to mean i686, nor defines
any known to mean pre-i686, to avoid future processors being quietly
mishandled). It would be necessary to understand e.g. why the special
sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h is present, and whether
-Wa,-mtune=i686 (used in the i686 makefile) is purely tuning as the name
suggests or actually requires newer processors.
Note that would mean that glibc built for i486 would *not* have runtime
choices between i486 and i686 (CMOV etc.) variants; it would have runtime
choices between i486 and SSE2 etc. variants (whatever variants for
newer-than-i686 currently exist).
We should also keep under review whether the .S functions are actually
better than the results of compiling good C code with modern compilers
(see the various work on improving the generic C versions of string
functions, which hopefully will get into glibc at some point, for
example).
> There are two i686 instruction that are not present in i586.
No, there are more. Some of the i686 function variants use FCOMI / FUCOMI
instructions (some of those also use FCMOV, some don't).
> Only __ffs() has assembly using "cmov", the rest are compiler generated. I did
I see cmov used in strcmp.S, and in pthread_spin_trylock.S (via HAVE_CMOV
defined in the i686 directory).
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Subject: [Bug libc/21286] bits/siginfo.h is missing enum definition for TRAP_HWBKPT
Date: Mon, 17 Sep 2018 12:42:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=89983cb37c9319806a551e8fe9f3a11ff8f973e1
commit 89983cb37c9319806a551e8fe9f3a11ff8f973e1
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Sep 17 12:41:14 2018 +0000
Update siginfo constants from Linux kernel (bug 21286).
As of Linux 4.17, siginfo headers in the Linux kernel have been
largely unified across architectures (so various constants are defined
with common values in include/uapi/asm-generic/siginfo.h even if not
all architectures can generate those particular constants).
This patch makes glibc reflect that unification and the current set of
constants in that header as of Linux 4.18. Various constants are
added to bits/siginfo-consts.h (under the same feature test macro
conditions as the other constants with the same prefix), and removed
from the ia64 bits/siginfo-consts-arch.h where they were previously
there - this is not limited to constants added by the unification.
Nothing is done about macros that are defined in
include/uapi/asm-generic/siginfo.h with names with leading '__' (some
of those are ia64-specific ones that remain in the ia64
bits/siginfo-consts-arch.h without the leading '__' there).
A consequence of these changes is that TRAP_HWBKPT becomes available
on AArch64 and all other architectures as requested in bug 21286.
Tested for x86_64; tested with build-many-glibcs.py for ia64.
[BZ #21286]
* sysdeps/unix/sysv/linux/bits/siginfo-consts.h (SI_DETHREAD): New
constant.
[__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (ILL_BADIADDR): Likewise.
[__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (FPE_FLTUNK): Likewise.
[__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (FPE_CONDTRAP): Likewise.
[__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (SEGV_ACCADI): Likewise.
[__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (SEGV_ADIDERR): Likewise.
[__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (SEGV_ADIPERR): Likewise.
[__USE_XOPEN_EXTENDED] (TRAP_BRANCH): Likewise.
[__USE_XOPEN_EXTENDED] (TRAP_HWBKPT): Likewise.
[__USE_XOPEN_EXTENDED] (TRAP_UNK): Likweise.
* sysdeps/unix/sysv/linux/ia64/bits/siginfo-consts-arch.h
(ILL_BADIADDR): Remove constant.
(TRAP_BRANCH): Likewise.
(TRAP_HWBKPT): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 ++++++++++++
sysdeps/unix/sysv/linux/bits/siginfo-consts.h | 31 ++++++++++++++++---
.../sysv/linux/ia64/bits/siginfo-consts-arch.h | 13 +-------
3 files changed, 46 insertions(+), 17 deletions(-)
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>From glibc-bugs-return-43217-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 12:42:39 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/21286] bits/siginfo.h is missing enum definition for TRAP_HWBKPT
Date: Mon, 17 Sep 2018 12:42:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #6 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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>From glibc-bugs-return-43218-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 13:16:55 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23675] New: freopen() with "ccs=<charset>" leaves the stream unoriented
Date: Mon, 17 Sep 2018 13:16:00 -0000
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Bug ID: 23675
Summary: freopen() with "ccs=<charset>" leaves the stream
unoriented
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
freopen() with "ccs=<charset>" leaves the stream unoriented:
#include <assert.h>
#include <stdio.h>
#include <wchar.h>
int main()
{
FILE *fp;
fp = fopen("/tmp/foo", "w,ccs=UTF-16LE");
assert(fwide(fp, 0) > 0); // ok
fp = freopen(NULL, "w,ccs=UTF-16LE", fp);
assert(fwide(fp, 0) > 0); // failure, fp is not oriented
}
The man page explicitly lists freopen() alongside fopen():
In addition to the above characters, fopen() and freopen() support
the following syntax in mode:
,ccs=string
The given string is taken as the name of a coded character set
and the stream is marked as wide-oriented.
However freopen() appears to unconditionally put the stream into the
unoriented state. When one of the wide functions is called sometime
later, the stream picks up the current locale -- the "ccs" parameter
is effectively ignored even though it is parsed.
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>From glibc-bugs-return-43219-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 13:21:12 2018
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Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
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--- Comment #4 from Wilco <wdijkstr at arm dot com> ---
(In reply to Bruno Haible from comment #1)
> A test case for strstr has been posted in
> https://sourceware.org/ml/libc-alpha/2018-09/msg00195.html .
>
> But do you also have a test case for strcasestr?
A testcase for strcasestr would be identical.(In reply to Bruno Haible from
comment #3)
> (In reply to Wilco from comment #2)
> > A testcase for strcasestr would be identical.
>
> I thought so as well. But when I transposed the strstr test case to use
> strcasestr, I found that it did not fail in glibc 2.28 in x86 mode. See
> https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00077.html
>
> Note that there are subtle differences between string/strstr.c and
> string/strcasestr.c.
It fails if I add my testcase to string/test-strcasestr.c and passes with the
fix as posted.
The initial values of haystack/haystack_len in two_way_long_needle are indeed
different between strstr and strcasestr. This means the reported testcase will
not always fail. You need a needle size of at least 1024 before it is
guaranteed to fail.
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
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Subject: [Bug stdio/23636] Fix for bug 1190 (introducing sticky EOF) breaks stream concatenation via dup2
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Fix for bug 1190 breaks |Fix for bug 1190
|stream concatenation via |(introducing sticky EOF)
|dup2 |breaks stream concatenation
| |via dup2
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>From glibc-bugs-return-43222-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 17 23:37:09 2018
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Subject: [Bug dynamic-link/23678] New: dlvsym() doesn't find default version of symbol
Date: Mon, 17 Sep 2018 23:37:00 -0000
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Bug ID: 23678
Summary: dlvsym() doesn't find default version of symbol
Product: glibc
Version: 2.30
Status: UNCONFIRMED
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Priority: P2
Component: dynamic-link
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Created attachment 11256
--> https://sourceware.org/bugzilla/attachment.cgi?id=11256&action=edit
Test program illustrating the symbol resolution discrepancy
I'm not clear whether this is intended behavior or not, but it seems odd.
If I link a program against a versioned dynamic symbol at build time, malloc in
my test case, then the runtime linker will find either a default version of
that symbol, or the requested version. However, if the same code loads the
same symbol and version using dlvsym(), only the requested version will be
found.
This comes in to play when someone has interposed a symbol, either with
LD_PRELOAD or by linking an alternate implementation into the application. In
the attached test case, the application links in an alternative implementation
of malloc and free, then uses a helper library build-time linked against the
libc version of malloc to retrieve the malloc symbol in various ways: Using
dlsym(RTLD_DEFAULT, "malloc"), using dlvsym(RTLD_DEFAULT, "malloc",
"GLIBC_2.2.5"), and by simply taking the address of the build-time linked
symbol "malloc". dlsym() and &malloc both refer to the alternative malloc
implementation at runtime, but dlvsym() skips that one and returns the glibc
version.
I observed this on various glibc versions, and the code appears to be unchanged
in top-of-tree git. The key seems to be that when dlvsym() builds the symbol
version info data structure for the symbol lookup, it sets the "hidden" field
in that version info, which then causes the lookup code to avoid default symbol
versions as a side effect. The code has been like this since its initial
commit, but I can't tell if it was or is the intended behavior. Naively, I
would expect dlvsym() to behave identically to the runtime linker when
searching for a versioned symbol, and since symbol interposing seems like a
valid use case, I would expect them both to find the default version if a
library with an identically named but unversioned symbol is encountered.
To run the test, just untar, run make all, then make test. It should run the
program with loader verbose logging enabled. You'll notice in the logging that
the loader resolves the symbol in various ways depending on which operation is
performed. In addition, dladdr() is used to print the location of each symbol
looked up by the program. readelf can be used to verify the build-time linked
undefined malloc symbol in libmal.so is requesting the specific glibc version
of the symbol. The exact malloc symbol version passed to dlvsym() may need to
be adjusted depending on the target system. 2.2.5 is what I got when testing
on x86_64 systems.
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Subject: [Bug libc/5223] tsearch returns node instead of key
Date: Tue, 18 Sep 2018 03:55:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
CC| |alex at crivat dot eu
--- Comment #2 from Alex Crivat <alex at crivat dot eu> ---
(In reply to Andreas Schwab from comment #1)
> It returns a pointer to the element (node), not the key (which is the first
> pointer in the node).
In this case shouldn't the documentation reflect this fact??
https://www.gnu.org/software/libc/manual/html_node/Tree-Search-Function.html
"The return value is a pointer to the matching element in the tree. If a new
element was created the pointer points to the new data (which is in fact key).
If an entry had to be created and the program ran out of space NULL is
returned."
If a new value is created tsearch returns a pointer to node_t which is a
structure internal to glibc.
This is not a proper interface.
Cheers,
Alex
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Subject: [Bug libc/23679] New: Segmentation fault in gethostid.c
Date: Tue, 18 Sep 2018 09:10:00 -0000
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Bug ID: 23679
Summary: Segmentation fault in gethostid.c
Product: glibc
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1,
# cat /mybuild/hostid.c
#include <stdio.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
long hostid;
hostid = gethostid();
printf("the hostid is %ld\n", hostid);
}
2, # gcc -o /mybuild/hostid /mybuild/hostid.c
3, # /mybuild/hostid
Segmentation fault
4, gdb /mybuild/hostid
GNU gdb (GDB) 8.2
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-wrs-linux".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /root/hostid...done.
(gdb) r
Starting program: /root/hostid
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7f0330e in gethostid () at
../sysdeps/unix/sysv/linux/gethostid.c:125
125 memcpy (&in, hp->h_addr,
(gdb) bt
#0 0x00007ffff7f0330e in gethostid () at
../sysdeps/unix/sysv/linux/gethostid.c:125
#1 0x0000555555555159 in main ()
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Subject: [Bug libc/23679] Segmentation fault in gethostid.c
Date: Tue, 18 Sep 2018 09:18:00 -0000
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--- Comment #1 from Mingli <mingli.yu at windriver dot com> ---
Created attachment 11258
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fix Segmentation fault in gethostid.c
attach the patch as the attched.
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
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--- Comment #13 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
(In reply to Martin Buchholz from comment #10)
> 2018 update ...
>
> Java has been happily using vfork on Linux, and posix_spawn on other Unix
> systems for many years. Code to try using clone() on Linux has never gotten
> past prototype stage and we have no plans to try again. Documentation on
> clone() should make it clear what is supported and what is not. Why is
> clone() a public API if there is no safe way to call it?
unfortunately the linux manuals mix the system call
(linux behaviour) and libc api (glibc behaviour)
in the same man page in general, and mainly focus
on the linux behaviour, not on the c api semantics.
there are safer and less safe flags to clone when
you call it from c, but this is not documented.
> * vfork whenever possible. Note that we cannot use posix_spawn
> * ourselves because there's no reliable way to close all inherited
> * file descriptors.
why is it more reliable to close fds on other systems?
is it only linux that lacks closefrom?
> * - clone() with flags CLONE_VM but not CLONE_THREAD. clone() is
> * Linux-specific, but this ought to work - at least the glibc
> * sources contain code to handle different combinations of CLONE_VM
> * and CLONE_THREAD. However, when this was implemented, it
> * appeared to fail on 32-bit i386 (but not 64-bit x86_64) Linux with
clone syscall with CLONE_VM is not usable from hosted c code.
(i don't think it was ever intended to be, there is no
reasonable way to specify the c language semantics)
> * - posix_spawn(). While posix_spawn() is a fairly elaborate and
> * complicated system call, it can't quite do everything that the old
> * fork()/exec() combination can do, so the only feasible way to do
> * this, is to use posix_spawn to launch a new helper executable
what's wrong with using a helper executable?
(it can be /bin/sh, so you don't need a new
executable on the filesystem for this)
> * Based on the above analysis, we are currently using vfork() on
> * Linux and posix_spawn() on other Unix systems.
why?
glibc posix_spawn bugs should now be fixed and the close
on exec situation should be the same across unix systems.
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>From glibc-bugs-return-43227-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 12:33:42 2018
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Subject: [Bug libc/23679] Segmentation fault in gethostid.c
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Florian Weimer <fweimer at redhat dot com> changed:
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Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-09-18
CC| |fweimer at redhat dot com
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Thanks, I'll write a test case and commit your patch.
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>From glibc-bugs-return-43228-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 14:33:27 2018
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Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
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--- Comment #14 from Rich Felker <bugdal at aerifal dot cx> ---
To elaborate on what Szabolcs Nagy said in #13 about using the shell, it can be
done safely with no need for quoting on the caller side via something like
(example for cd):
char *argv[] = { "sh", "-c", "cd \"$1\" && shift && exec \"$@\"", "sh", dir,
prog, argv1, argv2, ..., 0 }
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>From glibc-bugs-return-43229-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 15:04:37 2018
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Subject: [Bug libc/23679] Segmentation fault in gethostid.c
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I can't reproduce the crash easily. Could you share more details about your
environment?
(I don't there is a bug in the code.)
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Subject: [Bug libc/23679] Segmentation fault in gethostid.c
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--- Comment #4 from Andreas Schwab <schwab@linux-m68k.org> ---
You just need to set the hostname to something unresolvable.
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Subject: [Bug libc/5223] tsearch returns node instead of key
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
http://pubs.opengroup.org/onlinepubs/9699919799/functions/tsearch.html
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Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
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--- Comment #15 from Martin Buchholz <martinrb at google dot com> ---
(In reply to Rich Felker from comment #14)
> To elaborate on what Szabolcs Nagy said in #13 about using the shell, it can
> be done safely with no need for quoting on the caller side via something
> like (example for cd):
>
> char *argv[] = { "sh", "-c", "cd \"$1\" && shift && exec \"$@\"", "sh", dir,
> prog, argv1, argv2, ..., 0 }
Using sh seems risky and insufficient. Are you finding sh via user's PATH?
Where is the POSIX version of sh? Maybe it's /usr/xpg4/bin/sh ?! Is cd
subject to the CDPATH environment variable? What about closing file
descriptors? etc ...
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>From glibc-bugs-return-43233-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 18:20:39 2018
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Subject: [Bug nptl/10311] clone(CLONE_VM) fails with pthread_getattr_np on i386
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--- Comment #16 from Martin Buchholz <martinrb at google dot com> ---
(In reply to Szabolcs Nagy from comment #13)
> (In reply to Martin Buchholz from comment #10)
>
> > * vfork whenever possible. Note that we cannot use posix_spawn
> > * ourselves because there's no reliable way to close all inherited
> > * file descriptors.
>
> why is it more reliable to close fds on other systems?
> is it only linux that lacks closefrom?
closefrom is non-standard and not available on Linux.
IIRC I wrote that before the strategy of exec'ing a helper program was
implemented.
> what's wrong with using a helper executable?
> (it can be /bin/sh, so you don't need a new
> executable on the filesystem for this)
>
> > * Based on the above analysis, we are currently using vfork() on
> > * Linux and posix_spawn() on other Unix systems.
>
> why?
Historical - I implemented the vfork-based solution, targeting Linux; then
others implemented the posix_spawn-based solution for other Unix systems.
>
> glibc posix_spawn bugs should now be fixed and the close
> on exec situation should be the same across unix systems.
We are considering moving from vfork to posix_spawn on Linux as you suggest!
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--- Comment #17 from Rich Felker <bugdal at aerifal dot cx> ---
CDPATH is only processed if the argument does not begin with /; I'm assuming
you would pass an absolute pathname.
Normally you would also just assume sh is in the PATH, and that it at least
minimally resembles a POSIX shell, and use posix_spawnp. For specialized needs
like suid of course it would make sense to use an absolute pathname and a
specialized helper program.
The shell can perform file descriptor closing if you want (exec %d<&-). I'm in
the "closeall is a bogus operation" camp but of course this is controversial.
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>From glibc-bugs-return-43235-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 20:57:08 2018
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From: "dstephanoshachter at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23680] New: Feature Request: Add functions to convert between UID and group name
Date: Tue, 18 Sep 2018 20:57:00 -0000
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Bug ID: 23680
Summary: Feature Request: Add functions to convert between UID
and group name
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
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Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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Currently, in glibc, the best way I am aware of to convert a gid to a group
name is to run getgrgid(). The problem is this also fetches every user of the
group. If the group is very large this can take a long time, especially if it
is done over a network.
Would it be possible to add functions which could convert between between gid
and name? Possibly along the lines of
convertgrgid()
convertgrnam()
I would be willing to write the patch but I would like to know if it would even
get accepted before I move forward.
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>From glibc-bugs-return-43236-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 21:17:56 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23680] Feature Request: Add functions to convert between UID and group name
Date: Tue, 18 Sep 2018 21:17:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Dylan Stephano-Shachter from comment #0)
> Currently, in glibc, the best way I am aware of to convert a gid to a group
> name is to run getgrgid(). The problem is this also fetches every user of
> the group. If the group is very large this can take a long time, especially
> if it is done over a network.
>
> Would it be possible to add functions which could convert between between
> gid and name? Possibly along the lines of
> convertgrgid()
> convertgrnam()
These would just be wrappers around setgrent/getgrent/endgrent?
Fundamentally you have to iterate over all groups, find the one with the
matching group ID and return that. Thus your iteration could end early or be
forced to iterate the entire list.
> I would be willing to write the patch but I would like to know if it would
> even get accepted before I move forward.
Does setgrent/getgrent/endgrent solve hte problem for you?
We try hard not to add new functions to core libraries unless there is no
possible way to implement it without a combination of other functions.
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>From glibc-bugs-return-43237-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 21:51:27 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23681] New: Program environment variables (AR, LD, AS, ...) are ignored
Date: Tue, 18 Sep 2018 21:51:00 -0000
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Bug ID: 23681
Summary: Program environment variables (AR, LD, AS, ...) are
ignored
Product: glibc
Version: 2.27
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In [aclocal.m4], we have the following:
AS=`$CC -print-prog-name=as`
LD=`$CC -print-prog-name=ld`
AR=`$CC -print-prog-name=ar`
...
This is not idiomatic autoconf usage and causes user-specifications of those
environment variables to be ignored. There is a `--with-binutils` which at
least adds some `-B` flags to $CC so that more directories are searched, but
that doesn't work well in all use-cases. (The programs can be scattered around
various directories, as they are on my distro NixOS.) Why not use the standard
autoconf macros? Or at least take the path of the variables' old value if they
is defined and non-empty?
I did some digging in the history to try to answer those questions, and did not
come up with good answers.
1. In [ff3d7ed36ae26261cc1c76e5f03ee053d65f9229] in 1995, using the idiomatic
AC_CHECK_TOOL.
2. In [650425ceb40e840b2123b6c8cc65389589f41218] in 1997 The first instance
of this was added for AS and LD.
3. In [650425ceb40e840b2123b6c8cc65389589f41218] in 1998 some of the
AC_CHECK_TOOL usages were changed to match the second *without explanation*.
4. ...more programs added matching the status quo, probably just Cargo cults.
Without any explanation it's hard to tell what's going on, but I can't see
there being a problem with things like:
AC_CHECK_TOOL(AR, ar, `$CC -print-prog-name=as`)
That would restore the idiom while preserving behavior when nothing is
specified.
[aclocal.m4]:
https://sourceware.org/git/?p=glibc.git;a=blob;f=aclocal.m4;hb=HEAD#l116
[ff3d7ed36ae26261cc1c76e5f03ee053d65f9229]:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ff3d7ed36ae26261cc1c76e5f03ee053d65f9229
[650425ceb40e840b2123b6c8cc65389589f41218]:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=650425ceb40e840b2123b6c8cc65389589f41218
[650425ceb40e840b2123b6c8cc65389589f41218]:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=6[50425ceb40e840b2123b6c8cc65389589f41218
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>From glibc-bugs-return-43238-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 22:09:41 2018
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dab9c3488e86d5304f3e4b778933760374494a82
commit dab9c3488e86d5304f3e4b778933760374494a82
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Sep 18 15:02:11 2018 -0700
Simplify tzfile fstat failure code
[BZ #21716]
* time/tzfile.c (__tzfile_read): Simplify slightly.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e4e4fde51a309801af5eed72d3494cbf4b7737aa
commit e4e4fde51a309801af5eed72d3494cbf4b7737aa
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Sep 18 15:02:10 2018 -0700
Fix tzfile low-memory assertion failure
[BZ #21716]
* time/tzfile.c (__tzfile_read): Check for memory exhaustion
when registering time zone abbreviations.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
time/tzfile.c | 8 +++-----
2 files changed, 14 insertions(+), 5 deletions(-)
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>From glibc-bugs-return-43239-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 18 22:12:48 2018
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
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--- Comment #7 from eggert at cs dot ucla.edu ---
The patches are now installed in master so this bug report can be closed as
FIXED.
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Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
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| |ms
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>From glibc-bugs-return-43241-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 01:06:36 2018
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Subject: [Bug libc/23682] New: Inline assembly bugs wrt to arrays being passed through register constraints in io.h
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Bug ID: 23682
Summary: Inline assembly bugs wrt to arrays being passed
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Product: glibc
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Priority: P2
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Reporter: mpetch@capp-sysware.com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11259
--> https://sourceware.org/bugzilla/attachment.cgi?id=11259&action=edit
Revised io.h
This is a subtle big that could cause grief for those people doing direct
hardware access with <sys/io.h> on the x86/x86-64 Linux targets. This bug may
exist in other inline assembly elsewhere and an audit would probably not be a
bad idea. At the moment the bug can manifest itself in the functions insb,
insw, insl, outsb, outsw, outsl all of which pass a void *_addr to inline
assembly with a "=D", "D", "=S", "S" constraint.
This bug wasn't found because of an existing project failing. Recently someone
suggested on Stackoverflow using <sys/io.h> from GLIBC for port IO. I happened
to audit the code quickly and noticed the bug. I had seen this problem manifest
in other ways and just happen to know a way to reproduce the undesirable effect
in a minimal example.
The bug itself comes about because passing an address to a given object or
array as an input/output/both constraint VIA a register doesn't actually
guarantee that what the pointer points at has been realized into memory before
the assembly template is emitted. The same is true when an extended inline
assembly template writes to memory pointed at by a register constraint. This is
discussed in the GCC documentation @
https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html in the section 6.45.2.6
Clobbers and Scratch Registers.
The compiler may assume with optimizations on that memory wasn't actually
modified and make code generation assumptions around that. One can observe the
problematic behaviour with this code:
#include <sys/io.h>
int main()
{
char data[]="Hello There How are you?";
/* ioperm(0x80, 1, 1); */
outsb (0x80, data, sizeof(data));
insb (0x80, data, sizeof(data));
return data[0];
}
One would expect that the code generated would place a copy of the string on
the stack call outsb to send it out port 0x80, fill that same array with bytes
read from port 0x80 and then return the first byte of data returns by insb.
That's not what happens with optimizations on. GCC Code generated with a 32-bit
target (same thing applies to 64-bit) will look something like:
main:
push edi
push esi
mov eax, 25
mov edx, 128
mov ecx, eax
sub esp, 32
lea esi, [esp+7]
cld
rep outsb
lea edi, [esp+7]
mov ecx, eax
cld
rep insb
add esp, 32
mov eax, 72
pop esi
pop edi
ret
It should be observed that in this code GCC never emitted the actual string
into the buffer but it did allocate space for it. After reading in bytes from
port 0x80 is moved the value 72 (ASCII 'H') into EAX as a return value. The
compiler assumed the input buffer `data` wasn't modified so assumed that 'H'
was still the first item in the character array.
The GCC documentation suggests a couple of ways around this. On all of the
functions with an __addr parameter that is being passed into inline assembly
use "memory" in the clobber to ensure data is written to memory before the
inline assembly is emitted and read it back out of memory if need be.
See the attached io.h for a version with the memory clobbers. The generated
code would look something like this with a correct io.h:
main:
push edi
push esi
mov eax, 25
mov edx, 128
mov ecx, eax
sub esp, 32
mov DWORD PTR [esp+7], 1819043144
mov DWORD PTR [esp+11], 1750343791
lea esi, [esp+7]
mov DWORD PTR [esp+15], 543519333
mov DWORD PTR [esp+19], 544698184
mov DWORD PTR [esp+23], 543519329
mov DWORD PTR [esp+27], 1064660857
mov BYTE PTR [esp+31], 0
cld
rep outsb
lea edi, [esp+7]
mov ecx, eax
cld
rep insb
movsx eax, BYTE PTR [esp+7]
add esp, 32
pop esi
pop edi
ret
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>From glibc-bugs-return-43242-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 01:31:14 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23679] Segmentation fault in gethostid.c
Date: Wed, 19 Sep 2018 01:31:00 -0000
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--- Comment #5 from Mingli <mingli.yu at windriver dot com> ---
(In reply to Florian Weimer from comment #3)
> I can't reproduce the crash easily. Could you share more details about your
> environment?
>
> (I don't there is a bug in the code.)
Hi Florian,
Did you reproduce then?
You can follow step1-3 to reproduce it.
Thanks,
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23682] Inline assembly bugs wrt to arrays being passed through register constraints in io.h
Date: Wed, 19 Sep 2018 01:34:00 -0000
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Michael Petch <mpetch@capp-sysware.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpetch@capp-sysware.com
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Subject: [Bug dynamic-link/23668] [PATCH] Default to the new format for ld.so.cache
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is obsolete| |
--- Comment #1 from Josh Triplett <josh at joshtriplett dot org> ---
Created attachment 11260
--> https://sourceware.org/bugzilla/attachment.cgi?id=11260&action=edit
[PATCH] Default to the new format for ld.so.cache
(updated version with changelog in commit message only, and minor formatting
fixes)
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Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 2b1cb372bfb9a9c32c2962c5ec252fc46d19255d (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b1cb372bfb9a9c32c2962c5ec252fc46d19255d
commit 2b1cb372bfb9a9c32c2962c5ec252fc46d19255d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=385a56494cf43b1a11a43f6e8a1d4a65a4914b5f
commit 385a56494cf43b1a11a43f6e8a1d4a65a4914b5f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba2b93cfb6e48a4dd023dde9aaf4f4995bdafc4f
commit ba2b93cfb6e48a4dd023dde9aaf4f4995bdafc4f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4cf30651a76ec870dd03671629acd6604d18da8
commit b4cf30651a76ec870dd03671629acd6604d18da8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6f68e5b57c5758ac1073da84edadc0c4f6cb15c
commit a6f68e5b57c5758ac1073da84edadc0c4f6cb15c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2baa0d960a822329e1d521aa4a9894a3a98ef801
commit 2baa0d960a822329e1d521aa4a9894a3a98ef801
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0bae05528373150b0b7cdad19c6597c497e5b3f9
commit 0bae05528373150b0b7cdad19c6597c497e5b3f9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bda57eeb09b981fbab3ba851b9ec2ed81fb98931
commit bda57eeb09b981fbab3ba851b9ec2ed81fb98931
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d470f58676709e974b86747de86609e134c8466b
commit d470f58676709e974b86747de86609e134c8466b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d088729f4c84596cd5ae69cae47233e387c55447
commit d088729f4c84596cd5ae69cae47233e387c55447
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2ec20a063d1792c38a2a654b409865f9dbffc681
commit 2ec20a063d1792c38a2a654b409865f9dbffc681
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6a5cfd5c4a109ce3fca8a73d3d96cd16b5f25e3a
commit 6a5cfd5c4a109ce3fca8a73d3d96cd16b5f25e3a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=537fda1a54692bd4fb4ce12776455741b16cf9dd
commit 537fda1a54692bd4fb4ce12776455741b16cf9dd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f58fb7b9f63d07968a3045f66f84cdf1cdab22a
commit 3f58fb7b9f63d07968a3045f66f84cdf1cdab22a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a250583ca75be30b873cf6890a96389b28b16963
commit a250583ca75be30b873cf6890a96389b28b16963
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d5a50ed6f7aed78bb94a153dbdad206c7d01ecae
commit d5a50ed6f7aed78bb94a153dbdad206c7d01ecae
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27a88a7f2a194f5447bb254122c068c1b1f1f797
commit 27a88a7f2a194f5447bb254122c068c1b1f1f797
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=57697fe24d403d5f412d892daaaa34799685a3d1
commit 57697fe24d403d5f412d892daaaa34799685a3d1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=780819ed8fe74fca943b4085ec38ba28eba42e0f
commit 780819ed8fe74fca943b4085ec38ba28eba42e0f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b3fe19eb693b5d6300db5a0013c5412df0652aa
commit 1b3fe19eb693b5d6300db5a0013c5412df0652aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=09399b659f3c20481fa7889d47b6937a75812f60
commit 09399b659f3c20481fa7889d47b6937a75812f60
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10ac524b59cc2b0d1a0413cb485162d507a6fc68
commit 10ac524b59cc2b0d1a0413cb485162d507a6fc68
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d40c3b237570dbb657001b8ed2bbccede18d919
commit 7d40c3b237570dbb657001b8ed2bbccede18d919
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=23e64011e665f2586b3d1e007a63fffe5edba7dc
commit 23e64011e665f2586b3d1e007a63fffe5edba7dc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f87cca5ae9a4d4443077be7c924d5760017ec9c1
commit f87cca5ae9a4d4443077be7c924d5760017ec9c1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e250264a3f050108abbf1e05d8fbe24d9e8244b
commit 4e250264a3f050108abbf1e05d8fbe24d9e8244b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16bf4a0d330f1ec45f11ecd5ea61404a03078875
commit 16bf4a0d330f1ec45f11ecd5ea61404a03078875
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f5cc6b559a2ef5c866d6e1b1bcfbab9e7be98cb
commit 1f5cc6b559a2ef5c866d6e1b1bcfbab9e7be98cb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67bd5d26bee6192de5d7158146666d2418e8c453
commit 67bd5d26bee6192de5d7158146666d2418e8c453
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db9b0683cdd8fe289005011488932ae636553daf
commit db9b0683cdd8fe289005011488932ae636553daf
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47545bd2f99f6dd0983df620c36fbc7010654619
commit 47545bd2f99f6dd0983df620c36fbc7010654619
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8296e4cfbb3b32a8257a341a8a6ccebe76282e34
commit 8296e4cfbb3b32a8257a341a8a6ccebe76282e34
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a1429e496abac872ce444422db144b1d1daa60eb
commit a1429e496abac872ce444422db144b1d1daa60eb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ccb3efb715c404a6441df0080293f74c6b09636
commit 0ccb3efb715c404a6441df0080293f74c6b09636
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=469fb25cb04ccdf74a03ff52072f2e83ccf58863
commit 469fb25cb04ccdf74a03ff52072f2e83ccf58863
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=346c043e2f58c597911429cc518ac3e168c73659
commit 346c043e2f58c597911429cc518ac3e168c73659
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0a5a4ad85343aaa79d28469c09afca7287c6a3a
commit d0a5a4ad85343aaa79d28469c09afca7287c6a3a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77de6941a8b36cde5cc418e947e3828517107b7a
commit 77de6941a8b36cde5cc418e947e3828517107b7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=767ef1a437a43e92d7f1af643a222fcf38255e81
commit 767ef1a437a43e92d7f1af643a222fcf38255e81
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=45f745bd6755d19c989ac8976fb389b9f60f79ee
commit 45f745bd6755d19c989ac8976fb389b9f60f79ee
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f55dcbe6fd62775da448e70dde4077500af6f77b
commit f55dcbe6fd62775da448e70dde4077500af6f77b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3beddb670bb7f8b680266c6961b3fc5da154bf4
commit b3beddb670bb7f8b680266c6961b3fc5da154bf4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=392594cf890f4d5b0831e3cbdada8177a0402b8c
commit 392594cf890f4d5b0831e3cbdada8177a0402b8c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8279d3e19ee9e1f4c0b62b7d6e858d768193b4a9
commit 8279d3e19ee9e1f4c0b62b7d6e858d768193b4a9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=536d8cfd3dc47abba66f7a64d2c39f6ba3540ae8
commit 536d8cfd3dc47abba66f7a64d2c39f6ba3540ae8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=536d8b60e45892ea43f1a6282977012bde490926
commit 536d8b60e45892ea43f1a6282977012bde490926
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fdc49fa2c5585888c683b5d724f4e3901cfd0f2
commit 3fdc49fa2c5585888c683b5d724f4e3901cfd0f2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
The Unix implementation converts to 32-bit time and uses
32-bit calls if possible, or returns -1 / EOVERFLOW.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_settime64 syscall
being provided in the kernel at build as well as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=968c26acc7ec98b4d54577a4e3e3bdb29eb8e7d7
commit 968c26acc7ec98b4d54577a4e3e3bdb29eb8e7d7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ace09db3d797930bcad2fe33c162fddfb8062e22
commit ace09db3d797930bcad2fe33c162fddfb8062e22
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
To be Y2038-proof, struct __timespec64 needs its tv_sec field to
be a __time64_t rather than a __time_t. However, the question is
which type should the tv_nsec field be.
Keeping tv_nsec a long (32-bit) would be compatible with Posix
requirements but would result in the GLIBC struct timespec being
binary-incompatible with the Linux 64-bit struct timespec, which
contains a 64-bit, not 32-bit, signed tv_nsec field.
In order to maintain Posix compatibility yet simplify conversion
between Posix and Linux struct timespec values, the Y2038-proof
struct time stores its tv_nsec field as a 32-bit signed integer
plus a padding which can serve as a 64-bit sign extension. This
both meets Posix requirements and makes the GLIBC and Linux
struct timespec binary compatible.
Note that in the API (which is not modified here, and will be
later alongside all Y2038-sensitive APIs), this padding is made
'invisible' by defining it as an anonymous bitfield, whereas
the struct __timespec64 introduced here has a named field for
the padding, allowing implementations to read and write it.
Also, provide static inline functions and macros for checking
and converting between 32-bit itimevals and timespecs to 64-bit
timespecs.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ff442400ae87378b773593d39e5c8c99c09fed3
commit 1ff442400ae87378b773593d39e5c8c99c09fed3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f1cd69475a4ff50bdbe77a3265a892a81c4b68c
commit 6f1cd69475a4ff50bdbe77a3265a892a81c4b68c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19b99883da7cb8e9397c4bec4387350f1218716d
commit 19b99883da7cb8e9397c4bec4387350f1218716d
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1cf24b9a71be9dd184cc1e18283bebd016610e63
commit 1cf24b9a71be9dd184cc1e18283bebd016610e63
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c38b85e42f29f0166ceb82e0b84f70b3005bb062
commit c38b85e42f29f0166ceb82e0b84f70b3005bb062
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ca32c3f13c38f9fadaf426604ea32c00dc255e9b
commit ca32c3f13c38f9fadaf426604ea32c00dc255e9b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=326841eb597beba02ce20aa4c9a1c7981ebb389b
commit 326841eb597beba02ce20aa4c9a1c7981ebb389b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 05:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 2b1cb372bfb9a9c32c2962c5ec252fc46d19255d (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b1cb372bfb9a9c32c2962c5ec252fc46d19255d
commit 2b1cb372bfb9a9c32c2962c5ec252fc46d19255d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=385a56494cf43b1a11a43f6e8a1d4a65a4914b5f
commit 385a56494cf43b1a11a43f6e8a1d4a65a4914b5f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba2b93cfb6e48a4dd023dde9aaf4f4995bdafc4f
commit ba2b93cfb6e48a4dd023dde9aaf4f4995bdafc4f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4cf30651a76ec870dd03671629acd6604d18da8
commit b4cf30651a76ec870dd03671629acd6604d18da8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a6f68e5b57c5758ac1073da84edadc0c4f6cb15c
commit a6f68e5b57c5758ac1073da84edadc0c4f6cb15c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2baa0d960a822329e1d521aa4a9894a3a98ef801
commit 2baa0d960a822329e1d521aa4a9894a3a98ef801
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0bae05528373150b0b7cdad19c6597c497e5b3f9
commit 0bae05528373150b0b7cdad19c6597c497e5b3f9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bda57eeb09b981fbab3ba851b9ec2ed81fb98931
commit bda57eeb09b981fbab3ba851b9ec2ed81fb98931
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d470f58676709e974b86747de86609e134c8466b
commit d470f58676709e974b86747de86609e134c8466b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d088729f4c84596cd5ae69cae47233e387c55447
commit d088729f4c84596cd5ae69cae47233e387c55447
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2ec20a063d1792c38a2a654b409865f9dbffc681
commit 2ec20a063d1792c38a2a654b409865f9dbffc681
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6a5cfd5c4a109ce3fca8a73d3d96cd16b5f25e3a
commit 6a5cfd5c4a109ce3fca8a73d3d96cd16b5f25e3a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=537fda1a54692bd4fb4ce12776455741b16cf9dd
commit 537fda1a54692bd4fb4ce12776455741b16cf9dd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f58fb7b9f63d07968a3045f66f84cdf1cdab22a
commit 3f58fb7b9f63d07968a3045f66f84cdf1cdab22a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a250583ca75be30b873cf6890a96389b28b16963
commit a250583ca75be30b873cf6890a96389b28b16963
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d5a50ed6f7aed78bb94a153dbdad206c7d01ecae
commit d5a50ed6f7aed78bb94a153dbdad206c7d01ecae
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27a88a7f2a194f5447bb254122c068c1b1f1f797
commit 27a88a7f2a194f5447bb254122c068c1b1f1f797
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=57697fe24d403d5f412d892daaaa34799685a3d1
commit 57697fe24d403d5f412d892daaaa34799685a3d1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=780819ed8fe74fca943b4085ec38ba28eba42e0f
commit 780819ed8fe74fca943b4085ec38ba28eba42e0f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b3fe19eb693b5d6300db5a0013c5412df0652aa
commit 1b3fe19eb693b5d6300db5a0013c5412df0652aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=09399b659f3c20481fa7889d47b6937a75812f60
commit 09399b659f3c20481fa7889d47b6937a75812f60
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10ac524b59cc2b0d1a0413cb485162d507a6fc68
commit 10ac524b59cc2b0d1a0413cb485162d507a6fc68
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d40c3b237570dbb657001b8ed2bbccede18d919
commit 7d40c3b237570dbb657001b8ed2bbccede18d919
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=23e64011e665f2586b3d1e007a63fffe5edba7dc
commit 23e64011e665f2586b3d1e007a63fffe5edba7dc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f87cca5ae9a4d4443077be7c924d5760017ec9c1
commit f87cca5ae9a4d4443077be7c924d5760017ec9c1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e250264a3f050108abbf1e05d8fbe24d9e8244b
commit 4e250264a3f050108abbf1e05d8fbe24d9e8244b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16bf4a0d330f1ec45f11ecd5ea61404a03078875
commit 16bf4a0d330f1ec45f11ecd5ea61404a03078875
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f5cc6b559a2ef5c866d6e1b1bcfbab9e7be98cb
commit 1f5cc6b559a2ef5c866d6e1b1bcfbab9e7be98cb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67bd5d26bee6192de5d7158146666d2418e8c453
commit 67bd5d26bee6192de5d7158146666d2418e8c453
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db9b0683cdd8fe289005011488932ae636553daf
commit db9b0683cdd8fe289005011488932ae636553daf
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47545bd2f99f6dd0983df620c36fbc7010654619
commit 47545bd2f99f6dd0983df620c36fbc7010654619
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8296e4cfbb3b32a8257a341a8a6ccebe76282e34
commit 8296e4cfbb3b32a8257a341a8a6ccebe76282e34
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a1429e496abac872ce444422db144b1d1daa60eb
commit a1429e496abac872ce444422db144b1d1daa60eb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ccb3efb715c404a6441df0080293f74c6b09636
commit 0ccb3efb715c404a6441df0080293f74c6b09636
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=469fb25cb04ccdf74a03ff52072f2e83ccf58863
commit 469fb25cb04ccdf74a03ff52072f2e83ccf58863
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=346c043e2f58c597911429cc518ac3e168c73659
commit 346c043e2f58c597911429cc518ac3e168c73659
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0a5a4ad85343aaa79d28469c09afca7287c6a3a
commit d0a5a4ad85343aaa79d28469c09afca7287c6a3a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77de6941a8b36cde5cc418e947e3828517107b7a
commit 77de6941a8b36cde5cc418e947e3828517107b7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=767ef1a437a43e92d7f1af643a222fcf38255e81
commit 767ef1a437a43e92d7f1af643a222fcf38255e81
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=45f745bd6755d19c989ac8976fb389b9f60f79ee
commit 45f745bd6755d19c989ac8976fb389b9f60f79ee
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f55dcbe6fd62775da448e70dde4077500af6f77b
commit f55dcbe6fd62775da448e70dde4077500af6f77b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3beddb670bb7f8b680266c6961b3fc5da154bf4
commit b3beddb670bb7f8b680266c6961b3fc5da154bf4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=392594cf890f4d5b0831e3cbdada8177a0402b8c
commit 392594cf890f4d5b0831e3cbdada8177a0402b8c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8279d3e19ee9e1f4c0b62b7d6e858d768193b4a9
commit 8279d3e19ee9e1f4c0b62b7d6e858d768193b4a9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=536d8cfd3dc47abba66f7a64d2c39f6ba3540ae8
commit 536d8cfd3dc47abba66f7a64d2c39f6ba3540ae8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=536d8b60e45892ea43f1a6282977012bde490926
commit 536d8b60e45892ea43f1a6282977012bde490926
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fdc49fa2c5585888c683b5d724f4e3901cfd0f2
commit 3fdc49fa2c5585888c683b5d724f4e3901cfd0f2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
The Unix implementation converts to 32-bit time and uses
32-bit calls if possible, or returns -1 / EOVERFLOW.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_settime64 syscall
being provided in the kernel at build as well as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=968c26acc7ec98b4d54577a4e3e3bdb29eb8e7d7
commit 968c26acc7ec98b4d54577a4e3e3bdb29eb8e7d7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ace09db3d797930bcad2fe33c162fddfb8062e22
commit ace09db3d797930bcad2fe33c162fddfb8062e22
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
To be Y2038-proof, struct __timespec64 needs its tv_sec field to
be a __time64_t rather than a __time_t. However, the question is
which type should the tv_nsec field be.
Keeping tv_nsec a long (32-bit) would be compatible with Posix
requirements but would result in the GLIBC struct timespec being
binary-incompatible with the Linux 64-bit struct timespec, which
contains a 64-bit, not 32-bit, signed tv_nsec field.
In order to maintain Posix compatibility yet simplify conversion
between Posix and Linux struct timespec values, the Y2038-proof
struct time stores its tv_nsec field as a 32-bit signed integer
plus a padding which can serve as a 64-bit sign extension. This
both meets Posix requirements and makes the GLIBC and Linux
struct timespec binary compatible.
Note that in the API (which is not modified here, and will be
later alongside all Y2038-sensitive APIs), this padding is made
'invisible' by defining it as an anonymous bitfield, whereas
the struct __timespec64 introduced here has a named field for
the padding, allowing implementations to read and write it.
Also, provide static inline functions and macros for checking
and converting between 32-bit itimevals and timespecs to 64-bit
timespecs.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ff442400ae87378b773593d39e5c8c99c09fed3
commit 1ff442400ae87378b773593d39e5c8c99c09fed3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f1cd69475a4ff50bdbe77a3265a892a81c4b68c
commit 6f1cd69475a4ff50bdbe77a3265a892a81c4b68c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19b99883da7cb8e9397c4bec4387350f1218716d
commit 19b99883da7cb8e9397c4bec4387350f1218716d
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1cf24b9a71be9dd184cc1e18283bebd016610e63
commit 1cf24b9a71be9dd184cc1e18283bebd016610e63
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c38b85e42f29f0166ceb82e0b84f70b3005bb062
commit c38b85e42f29f0166ceb82e0b84f70b3005bb062
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ca32c3f13c38f9fadaf426604ea32c00dc255e9b
commit ca32c3f13c38f9fadaf426604ea32c00dc255e9b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=326841eb597beba02ce20aa4c9a1c7981ebb389b
commit 326841eb597beba02ce20aa4c9a1c7981ebb389b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 19 Sep 2018 06:16:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at b10116da48f5b72cef0d72751c7cadff856a86b9 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b10116da48f5b72cef0d72751c7cadff856a86b9
commit b10116da48f5b72cef0d72751c7cadff856a86b9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ddbad60fe88792cdf82fe01e46efea3f068f8df3
commit ddbad60fe88792cdf82fe01e46efea3f068f8df3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=05cab3152b4bc2b78d29a8e4932b0982d6f00040
commit 05cab3152b4bc2b78d29a8e4932b0982d6f00040
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b05c28283427fa9ab5f7c02e414bfdef6bbb06fe
commit b05c28283427fa9ab5f7c02e414bfdef6bbb06fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6c73691ea6b0fbfe8e566b7628761312b4f7c314
commit 6c73691ea6b0fbfe8e566b7628761312b4f7c314
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4f17a3b62b024a325e7a7c8abfbbd4606d1c08a
commit b4f17a3b62b024a325e7a7c8abfbbd4606d1c08a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a0a49b6f1b34b09580986858d0f6b360b04c24b8
commit a0a49b6f1b34b09580986858d0f6b360b04c24b8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=677f36959d78ad54b40268a14e35cffdc51c9963
commit 677f36959d78ad54b40268a14e35cffdc51c9963
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07c7e0e3b0db2156adf6e8e026c4e40095209da5
commit 07c7e0e3b0db2156adf6e8e026c4e40095209da5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8b8afa1e91307106691f4c368e6afb287d4dc371
commit 8b8afa1e91307106691f4c368e6afb287d4dc371
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=46f7c0fab60d66a93904f4f1e1943ff9aeb68231
commit 46f7c0fab60d66a93904f4f1e1943ff9aeb68231
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9b52134def746237d56f12e7a32f776411095645
commit 9b52134def746237d56f12e7a32f776411095645
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e5273a6118eb90b884973d6c623e3b704ddd0de
commit 8e5273a6118eb90b884973d6c623e3b704ddd0de
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=addbeb0646ec6a08a95a158b07dcdd3e4da9509a
commit addbeb0646ec6a08a95a158b07dcdd3e4da9509a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d916d5a90ca1bcc7e75199464e52c38354672574
commit d916d5a90ca1bcc7e75199464e52c38354672574
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e9a9c1f1cde7f1f84b84c9e7cc39553d44fa110
commit 3e9a9c1f1cde7f1f84b84c9e7cc39553d44fa110
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34c69265ed6dafdbff9c65dbe50a300912e838e5
commit 34c69265ed6dafdbff9c65dbe50a300912e838e5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ade202bad65bceeca0dab706a2c07b91b4846549
commit ade202bad65bceeca0dab706a2c07b91b4846549
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88f887d1c7b502e96f860e7fa4350bd240dbccdc
commit 88f887d1c7b502e96f860e7fa4350bd240dbccdc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=39f9a256c69d7c26b7b2f4c2ca9fc37e04a240f0
commit 39f9a256c69d7c26b7b2f4c2ca9fc37e04a240f0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f98f45a154afcd9765e7665608d227b15f31155
commit 8f98f45a154afcd9765e7665608d227b15f31155
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ba0ed6bb4ece988f6d9a9e7b3616d6341b17c2d
commit 0ba0ed6bb4ece988f6d9a9e7b3616d6341b17c2d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=374a9d3195e8384a7b10a03291223bbc57006396
commit 374a9d3195e8384a7b10a03291223bbc57006396
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3925bd96d32465c80601a24fb6e69a443e57f56f
commit 3925bd96d32465c80601a24fb6e69a443e57f56f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=daebe06f5fe9dc84d3956bc36f1bbd027d0f9bf3
commit daebe06f5fe9dc84d3956bc36f1bbd027d0f9bf3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1941dcd9d684bbb709b6b3133d62bcc886c20600
commit 1941dcd9d684bbb709b6b3133d62bcc886c20600
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3883c392924167ebb1e0fba3bd8c523ec165dc98
commit 3883c392924167ebb1e0fba3bd8c523ec165dc98
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32f468c93e11b1c1f17861f85177b4490ab4038a
commit 32f468c93e11b1c1f17861f85177b4490ab4038a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5190bbc2eeea123a97cb174a87634e45dd2c490d
commit 5190bbc2eeea123a97cb174a87634e45dd2c490d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=686066fd9636bf727a2e0a81b3c2b161c2dc4cba
commit 686066fd9636bf727a2e0a81b3c2b161c2dc4cba
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2bd3a9f6eedf692f3f67051a4f26023484adae0c
commit 2bd3a9f6eedf692f3f67051a4f26023484adae0c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=20d2385b5516c40f3e5c2c88cf7f045bf01b95f9
commit 20d2385b5516c40f3e5c2c88cf7f045bf01b95f9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=498a28bf8af20e9a36fdfa9063cf9f96c5921060
commit 498a28bf8af20e9a36fdfa9063cf9f96c5921060
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d2e99c63bd8b0ac006c2d83a19cb6229bcdae946
commit d2e99c63bd8b0ac006c2d83a19cb6229bcdae946
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=edc1f283aed1fec7a4b4947f1c4f7215576b8634
commit edc1f283aed1fec7a4b4947f1c4f7215576b8634
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02cd42999d8b82d327df30e1632e11989b1c032b
commit 02cd42999d8b82d327df30e1632e11989b1c032b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e4cbf26da755cef754e49d11421aa930afafae9e
commit e4cbf26da755cef754e49d11421aa930afafae9e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be227511937a2181586d5aa2ccbf56088ff293de
commit be227511937a2181586d5aa2ccbf56088ff293de
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=24e338ea653c5760deed3e8c9df2feee99ef9545
commit 24e338ea653c5760deed3e8c9df2feee99ef9545
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f24111af2235dac86ef870b2c98a528a6f04f35
commit 7f24111af2235dac86ef870b2c98a528a6f04f35
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=047f56fff9371d02d1d9ee1a5fd2649da49384a7
commit 047f56fff9371d02d1d9ee1a5fd2649da49384a7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d2f76fed867af54c52a1c7eda191912f540567a
commit 7d2f76fed867af54c52a1c7eda191912f540567a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17ed3482f3e069235c73e96fa9e1be8fee516f82
commit 17ed3482f3e069235c73e96fa9e1be8fee516f82
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=68978851ddf262cee1dcdeb6366e53ea60160d47
commit 68978851ddf262cee1dcdeb6366e53ea60160d47
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f9a2c6c37b0d5705a16e603dd219a21a999fe8f
commit 3f9a2c6c37b0d5705a16e603dd219a21a999fe8f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41a912301b1a9edd66e77ed5544dbbc29fc38382
commit 41a912301b1a9edd66e77ed5544dbbc29fc38382
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f8a78224d0fb7d89f7c50e025fadb9910627dc9
commit 3f8a78224d0fb7d89f7c50e025fadb9910627dc9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
The Unix implementation converts to 32-bit time and uses
32-bit calls if possible, or returns -1 / EOVERFLOW.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_settime64 syscall
being provided in the kernel at build as well as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
commit 9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=321328d751e0797d49656904813427e00377f30b
commit 321328d751e0797d49656904813427e00377f30b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
To be Y2038-proof, struct __timespec64 needs its tv_sec field to
be a __time64_t rather than a __time_t. However, the question is
which type should the tv_nsec field be.
Keeping tv_nsec a long (32-bit) would be compatible with Posix
requirements but would result in the GLIBC struct timespec being
binary-incompatible with the Linux 64-bit struct timespec, which
contains a 64-bit, not 32-bit, signed tv_nsec field.
In order to maintain Posix compatibility yet simplify conversion
between Posix and Linux struct timespec values, the Y2038-proof
struct time stores its tv_nsec field as a 32-bit signed integer
plus a padding which can serve as a 64-bit sign extension. This
both meets Posix requirements and makes the GLIBC and Linux
struct timespec binary compatible.
Note that in the API (which is not modified here, and will be
later alongside all Y2038-sensitive APIs), this padding is made
'invisible' by defining it as an anonymous bitfield, whereas
the struct __timespec64 introduced here has a named field for
the padding, allowing implementations to read and write it.
Also, provide static inline functions and macros for checking
and converting between 32-bit itimevals and timespecs to 64-bit
timespecs.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 06:16:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at b10116da48f5b72cef0d72751c7cadff856a86b9 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b10116da48f5b72cef0d72751c7cadff856a86b9
commit b10116da48f5b72cef0d72751c7cadff856a86b9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ddbad60fe88792cdf82fe01e46efea3f068f8df3
commit ddbad60fe88792cdf82fe01e46efea3f068f8df3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=05cab3152b4bc2b78d29a8e4932b0982d6f00040
commit 05cab3152b4bc2b78d29a8e4932b0982d6f00040
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b05c28283427fa9ab5f7c02e414bfdef6bbb06fe
commit b05c28283427fa9ab5f7c02e414bfdef6bbb06fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6c73691ea6b0fbfe8e566b7628761312b4f7c314
commit 6c73691ea6b0fbfe8e566b7628761312b4f7c314
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4f17a3b62b024a325e7a7c8abfbbd4606d1c08a
commit b4f17a3b62b024a325e7a7c8abfbbd4606d1c08a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a0a49b6f1b34b09580986858d0f6b360b04c24b8
commit a0a49b6f1b34b09580986858d0f6b360b04c24b8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=677f36959d78ad54b40268a14e35cffdc51c9963
commit 677f36959d78ad54b40268a14e35cffdc51c9963
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07c7e0e3b0db2156adf6e8e026c4e40095209da5
commit 07c7e0e3b0db2156adf6e8e026c4e40095209da5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8b8afa1e91307106691f4c368e6afb287d4dc371
commit 8b8afa1e91307106691f4c368e6afb287d4dc371
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=46f7c0fab60d66a93904f4f1e1943ff9aeb68231
commit 46f7c0fab60d66a93904f4f1e1943ff9aeb68231
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9b52134def746237d56f12e7a32f776411095645
commit 9b52134def746237d56f12e7a32f776411095645
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e5273a6118eb90b884973d6c623e3b704ddd0de
commit 8e5273a6118eb90b884973d6c623e3b704ddd0de
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=addbeb0646ec6a08a95a158b07dcdd3e4da9509a
commit addbeb0646ec6a08a95a158b07dcdd3e4da9509a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d916d5a90ca1bcc7e75199464e52c38354672574
commit d916d5a90ca1bcc7e75199464e52c38354672574
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e9a9c1f1cde7f1f84b84c9e7cc39553d44fa110
commit 3e9a9c1f1cde7f1f84b84c9e7cc39553d44fa110
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34c69265ed6dafdbff9c65dbe50a300912e838e5
commit 34c69265ed6dafdbff9c65dbe50a300912e838e5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ade202bad65bceeca0dab706a2c07b91b4846549
commit ade202bad65bceeca0dab706a2c07b91b4846549
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88f887d1c7b502e96f860e7fa4350bd240dbccdc
commit 88f887d1c7b502e96f860e7fa4350bd240dbccdc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=39f9a256c69d7c26b7b2f4c2ca9fc37e04a240f0
commit 39f9a256c69d7c26b7b2f4c2ca9fc37e04a240f0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f98f45a154afcd9765e7665608d227b15f31155
commit 8f98f45a154afcd9765e7665608d227b15f31155
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ba0ed6bb4ece988f6d9a9e7b3616d6341b17c2d
commit 0ba0ed6bb4ece988f6d9a9e7b3616d6341b17c2d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=374a9d3195e8384a7b10a03291223bbc57006396
commit 374a9d3195e8384a7b10a03291223bbc57006396
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3925bd96d32465c80601a24fb6e69a443e57f56f
commit 3925bd96d32465c80601a24fb6e69a443e57f56f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=daebe06f5fe9dc84d3956bc36f1bbd027d0f9bf3
commit daebe06f5fe9dc84d3956bc36f1bbd027d0f9bf3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1941dcd9d684bbb709b6b3133d62bcc886c20600
commit 1941dcd9d684bbb709b6b3133d62bcc886c20600
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3883c392924167ebb1e0fba3bd8c523ec165dc98
commit 3883c392924167ebb1e0fba3bd8c523ec165dc98
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32f468c93e11b1c1f17861f85177b4490ab4038a
commit 32f468c93e11b1c1f17861f85177b4490ab4038a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5190bbc2eeea123a97cb174a87634e45dd2c490d
commit 5190bbc2eeea123a97cb174a87634e45dd2c490d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=686066fd9636bf727a2e0a81b3c2b161c2dc4cba
commit 686066fd9636bf727a2e0a81b3c2b161c2dc4cba
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2bd3a9f6eedf692f3f67051a4f26023484adae0c
commit 2bd3a9f6eedf692f3f67051a4f26023484adae0c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=20d2385b5516c40f3e5c2c88cf7f045bf01b95f9
commit 20d2385b5516c40f3e5c2c88cf7f045bf01b95f9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=498a28bf8af20e9a36fdfa9063cf9f96c5921060
commit 498a28bf8af20e9a36fdfa9063cf9f96c5921060
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d2e99c63bd8b0ac006c2d83a19cb6229bcdae946
commit d2e99c63bd8b0ac006c2d83a19cb6229bcdae946
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=edc1f283aed1fec7a4b4947f1c4f7215576b8634
commit edc1f283aed1fec7a4b4947f1c4f7215576b8634
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02cd42999d8b82d327df30e1632e11989b1c032b
commit 02cd42999d8b82d327df30e1632e11989b1c032b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e4cbf26da755cef754e49d11421aa930afafae9e
commit e4cbf26da755cef754e49d11421aa930afafae9e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be227511937a2181586d5aa2ccbf56088ff293de
commit be227511937a2181586d5aa2ccbf56088ff293de
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=24e338ea653c5760deed3e8c9df2feee99ef9545
commit 24e338ea653c5760deed3e8c9df2feee99ef9545
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f24111af2235dac86ef870b2c98a528a6f04f35
commit 7f24111af2235dac86ef870b2c98a528a6f04f35
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=047f56fff9371d02d1d9ee1a5fd2649da49384a7
commit 047f56fff9371d02d1d9ee1a5fd2649da49384a7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d2f76fed867af54c52a1c7eda191912f540567a
commit 7d2f76fed867af54c52a1c7eda191912f540567a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17ed3482f3e069235c73e96fa9e1be8fee516f82
commit 17ed3482f3e069235c73e96fa9e1be8fee516f82
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=68978851ddf262cee1dcdeb6366e53ea60160d47
commit 68978851ddf262cee1dcdeb6366e53ea60160d47
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f9a2c6c37b0d5705a16e603dd219a21a999fe8f
commit 3f9a2c6c37b0d5705a16e603dd219a21a999fe8f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41a912301b1a9edd66e77ed5544dbbc29fc38382
commit 41a912301b1a9edd66e77ed5544dbbc29fc38382
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f8a78224d0fb7d89f7c50e025fadb9910627dc9
commit 3f8a78224d0fb7d89f7c50e025fadb9910627dc9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
The Unix implementation converts to 32-bit time and uses
32-bit calls if possible, or returns -1 / EOVERFLOW.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_settime64 syscall
being provided in the kernel at build as well as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
commit 9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=321328d751e0797d49656904813427e00377f30b
commit 321328d751e0797d49656904813427e00377f30b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
To be Y2038-proof, struct __timespec64 needs its tv_sec field to
be a __time64_t rather than a __time_t. However, the question is
which type should the tv_nsec field be.
Keeping tv_nsec a long (32-bit) would be compatible with Posix
requirements but would result in the GLIBC struct timespec being
binary-incompatible with the Linux 64-bit struct timespec, which
contains a 64-bit, not 32-bit, signed tv_nsec field.
In order to maintain Posix compatibility yet simplify conversion
between Posix and Linux struct timespec values, the Y2038-proof
struct time stores its tv_nsec field as a 32-bit signed integer
plus a padding which can serve as a 64-bit sign extension. This
both meets Posix requirements and makes the GLIBC and Linux
struct timespec binary compatible.
Note that in the API (which is not modified here, and will be
later alongside all Y2038-sensitive APIs), this padding is made
'invisible' by defining it as an anonymous bitfield, whereas
the struct __timespec64 introduced here has a named field for
the padding, allowing implementations to read and write it.
Also, provide static inline functions and macros for checking
and converting between 32-bit itimevals and timespecs to 64-bit
timespecs.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 19 Sep 2018 07:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at ba659ec72f718877f1eba171a915390700a671ca (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba659ec72f718877f1eba171a915390700a671ca
commit ba659ec72f718877f1eba171a915390700a671ca
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc972dd99376fc9e377687879d8e765b5234b8ef
commit bc972dd99376fc9e377687879d8e765b5234b8ef
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d17fb02292d039fe146aa1a8f6c6688e400d39a7
commit d17fb02292d039fe146aa1a8f6c6688e400d39a7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b9ca28cb866d63d9615546c0f4e4e12723f34bdf
commit b9ca28cb866d63d9615546c0f4e4e12723f34bdf
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e21427e946dc5afd14526be97ce658a03ea3f28b
commit e21427e946dc5afd14526be97ce658a03ea3f28b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b912859c9d738e3febbf90c1039baf4bfdc004e0
commit b912859c9d738e3febbf90c1039baf4bfdc004e0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f617a2046be6f3e36683b9b017f23f4e6322f79b
commit f617a2046be6f3e36683b9b017f23f4e6322f79b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c09ea1f4fb42f7f321a6a5161ea5ffd25e87442c
commit c09ea1f4fb42f7f321a6a5161ea5ffd25e87442c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f884609b017a090c2a408ae20e1db02945027bfc
commit f884609b017a090c2a408ae20e1db02945027bfc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f38781d7b31507bf47dcc978d01dc1adaa5074e
commit 7f38781d7b31507bf47dcc978d01dc1adaa5074e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f71a09af06f2b2e6e191e68d51e33f6db8972c5
commit 0f71a09af06f2b2e6e191e68d51e33f6db8972c5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe7dd08d4579dcc5e740ded8408c89896dcf1eb4
commit fe7dd08d4579dcc5e740ded8408c89896dcf1eb4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2dcb9d5d04cfa5d28bd161d9b43fd00b25a7c1a0
commit 2dcb9d5d04cfa5d28bd161d9b43fd00b25a7c1a0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bded5eba26a6676ec42c157e506e2900eb0eeaf7
commit bded5eba26a6676ec42c157e506e2900eb0eeaf7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=76e33007403de935b76ed5b6a9b08ef46043d7b9
commit 76e33007403de935b76ed5b6a9b08ef46043d7b9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b7890b36253ef0c6451dc5d7b736f896c014ee56
commit b7890b36253ef0c6451dc5d7b736f896c014ee56
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=568b78bc445fabba0ede7bd697e3caf29d0a129a
commit 568b78bc445fabba0ede7bd697e3caf29d0a129a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f0a203787dc8d9b58225fa03ea98a3a9df3cec0
commit 3f0a203787dc8d9b58225fa03ea98a3a9df3cec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2f330470daf7474bbebdb772bb0b94fa75d46190
commit 2f330470daf7474bbebdb772bb0b94fa75d46190
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a7358a6da06290fa5ecb14f550def8f903d40727
commit a7358a6da06290fa5ecb14f550def8f903d40727
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1eae7390b7ee34209afea88675d4682365b6474f
commit 1eae7390b7ee34209afea88675d4682365b6474f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ae9ecc5760933b2ef192fe29d24e390a50fd84c
commit 6ae9ecc5760933b2ef192fe29d24e390a50fd84c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cace9e9b1bed1d2ba7466a3e1924bd9403f971a8
commit cace9e9b1bed1d2ba7466a3e1924bd9403f971a8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bb248ce10333f9bb60bfca3f4900c9d8f193562
commit 4bb248ce10333f9bb60bfca3f4900c9d8f193562
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=750bf4295a7f5ade7efde1148070a54b2815d525
commit 750bf4295a7f5ade7efde1148070a54b2815d525
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=383021e06243ca651752a61125797a6b3d96fd2e
commit 383021e06243ca651752a61125797a6b3d96fd2e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b6cd0dfaaa5205d121a168b1369d471fedc9433f
commit b6cd0dfaaa5205d121a168b1369d471fedc9433f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02d588032a77cd743721574cefe06f96b439c63b
commit 02d588032a77cd743721574cefe06f96b439c63b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36b4843ce848ae35336f380f92f0f60e1b91060f
commit 36b4843ce848ae35336f380f92f0f60e1b91060f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f5ae9c818012bb1849b0ef94d2a1ac41fc38be7
commit 1f5ae9c818012bb1849b0ef94d2a1ac41fc38be7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d1cf97e62870e0ca21577798781e45062f097cfb
commit d1cf97e62870e0ca21577798781e45062f097cfb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6becb881b89804e548c9b5e2830d08c3f3a4375
commit c6becb881b89804e548c9b5e2830d08c3f3a4375
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a5f5f30ddd69f401c5e659c31d7f7d47a866fb4
commit 1a5f5f30ddd69f401c5e659c31d7f7d47a866fb4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bf4a7462771255da945c36d68f5c40ccc7057785
commit bf4a7462771255da945c36d68f5c40ccc7057785
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4505f6d1c95e1cb3649afcfd1d015798134bbee1
commit 4505f6d1c95e1cb3649afcfd1d015798134bbee1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fa97ffa38a36e6c31e463ce9e6c36b7ebd37c30a
commit fa97ffa38a36e6c31e463ce9e6c36b7ebd37c30a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e80cbb644f66e348c3309b519094a960b464ead
commit 2e80cbb644f66e348c3309b519094a960b464ead
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cf84bc1703bab79c213401abd06c96ec06c72bcf
commit cf84bc1703bab79c213401abd06c96ec06c72bcf
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07ce7979d9388ba53f76623944334be0fe37dad3
commit 07ce7979d9388ba53f76623944334be0fe37dad3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d89d5ad98b455af01f2c2b66844c01686c5355d
commit 1d89d5ad98b455af01f2c2b66844c01686c5355d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8d20a6120a8d18f47410c1c615ff6638a6bb0888
commit 8d20a6120a8d18f47410c1c615ff6638a6bb0888
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5dad6e8e80369e9e6f23906bc5f73545c4495f60
commit 5dad6e8e80369e9e6f23906bc5f73545c4495f60
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f5b112888e7f059a8abbbd17357704ebc04a11b
commit 6f5b112888e7f059a8abbbd17357704ebc04a11b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ef94e7ccd20d1cae2bcd2e32e3042f29ce2fde00
commit ef94e7ccd20d1cae2bcd2e32e3042f29ce2fde00
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7a91f10516da83d73468f4e3299f28bd681e7e46
commit 7a91f10516da83d73468f4e3299f28bd681e7e46
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d990c69889cd6b616f50481a7dfd9c6f225599f9
commit d990c69889cd6b616f50481a7dfd9c6f225599f9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ca9375396c239f4712f28db0e45531f4680d34d8
commit ca9375396c239f4712f28db0e45531f4680d34d8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
commit 9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=321328d751e0797d49656904813427e00377f30b
commit 321328d751e0797d49656904813427e00377f30b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
To be Y2038-proof, struct __timespec64 needs its tv_sec field to
be a __time64_t rather than a __time_t. However, the question is
which type should the tv_nsec field be.
Keeping tv_nsec a long (32-bit) would be compatible with Posix
requirements but would result in the GLIBC struct timespec being
binary-incompatible with the Linux 64-bit struct timespec, which
contains a 64-bit, not 32-bit, signed tv_nsec field.
In order to maintain Posix compatibility yet simplify conversion
between Posix and Linux struct timespec values, the Y2038-proof
struct time stores its tv_nsec field as a 32-bit signed integer
plus a padding which can serve as a 64-bit sign extension. This
both meets Posix requirements and makes the GLIBC and Linux
struct timespec binary compatible.
Note that in the API (which is not modified here, and will be
later alongside all Y2038-sensitive APIs), this padding is made
'invisible' by defining it as an anonymous bitfield, whereas
the struct __timespec64 introduced here has a named field for
the padding, allowing implementations to read and write it.
Also, provide static inline functions and macros for checking
and converting between 32-bit itimevals and timespecs to 64-bit
timespecs.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 07:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, aaribaud/y2038 has been created
at ba659ec72f718877f1eba171a915390700a671ca (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba659ec72f718877f1eba171a915390700a671ca
commit ba659ec72f718877f1eba171a915390700a671ca
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc972dd99376fc9e377687879d8e765b5234b8ef
commit bc972dd99376fc9e377687879d8e765b5234b8ef
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d17fb02292d039fe146aa1a8f6c6688e400d39a7
commit d17fb02292d039fe146aa1a8f6c6688e400d39a7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b9ca28cb866d63d9615546c0f4e4e12723f34bdf
commit b9ca28cb866d63d9615546c0f4e4e12723f34bdf
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e21427e946dc5afd14526be97ce658a03ea3f28b
commit e21427e946dc5afd14526be97ce658a03ea3f28b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b912859c9d738e3febbf90c1039baf4bfdc004e0
commit b912859c9d738e3febbf90c1039baf4bfdc004e0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f617a2046be6f3e36683b9b017f23f4e6322f79b
commit f617a2046be6f3e36683b9b017f23f4e6322f79b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c09ea1f4fb42f7f321a6a5161ea5ffd25e87442c
commit c09ea1f4fb42f7f321a6a5161ea5ffd25e87442c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f884609b017a090c2a408ae20e1db02945027bfc
commit f884609b017a090c2a408ae20e1db02945027bfc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f38781d7b31507bf47dcc978d01dc1adaa5074e
commit 7f38781d7b31507bf47dcc978d01dc1adaa5074e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f71a09af06f2b2e6e191e68d51e33f6db8972c5
commit 0f71a09af06f2b2e6e191e68d51e33f6db8972c5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe7dd08d4579dcc5e740ded8408c89896dcf1eb4
commit fe7dd08d4579dcc5e740ded8408c89896dcf1eb4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2dcb9d5d04cfa5d28bd161d9b43fd00b25a7c1a0
commit 2dcb9d5d04cfa5d28bd161d9b43fd00b25a7c1a0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bded5eba26a6676ec42c157e506e2900eb0eeaf7
commit bded5eba26a6676ec42c157e506e2900eb0eeaf7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=76e33007403de935b76ed5b6a9b08ef46043d7b9
commit 76e33007403de935b76ed5b6a9b08ef46043d7b9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b7890b36253ef0c6451dc5d7b736f896c014ee56
commit b7890b36253ef0c6451dc5d7b736f896c014ee56
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=568b78bc445fabba0ede7bd697e3caf29d0a129a
commit 568b78bc445fabba0ede7bd697e3caf29d0a129a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f0a203787dc8d9b58225fa03ea98a3a9df3cec0
commit 3f0a203787dc8d9b58225fa03ea98a3a9df3cec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2f330470daf7474bbebdb772bb0b94fa75d46190
commit 2f330470daf7474bbebdb772bb0b94fa75d46190
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a7358a6da06290fa5ecb14f550def8f903d40727
commit a7358a6da06290fa5ecb14f550def8f903d40727
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1eae7390b7ee34209afea88675d4682365b6474f
commit 1eae7390b7ee34209afea88675d4682365b6474f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ae9ecc5760933b2ef192fe29d24e390a50fd84c
commit 6ae9ecc5760933b2ef192fe29d24e390a50fd84c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cace9e9b1bed1d2ba7466a3e1924bd9403f971a8
commit cace9e9b1bed1d2ba7466a3e1924bd9403f971a8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bb248ce10333f9bb60bfca3f4900c9d8f193562
commit 4bb248ce10333f9bb60bfca3f4900c9d8f193562
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=750bf4295a7f5ade7efde1148070a54b2815d525
commit 750bf4295a7f5ade7efde1148070a54b2815d525
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=383021e06243ca651752a61125797a6b3d96fd2e
commit 383021e06243ca651752a61125797a6b3d96fd2e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b6cd0dfaaa5205d121a168b1369d471fedc9433f
commit b6cd0dfaaa5205d121a168b1369d471fedc9433f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02d588032a77cd743721574cefe06f96b439c63b
commit 02d588032a77cd743721574cefe06f96b439c63b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36b4843ce848ae35336f380f92f0f60e1b91060f
commit 36b4843ce848ae35336f380f92f0f60e1b91060f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f5ae9c818012bb1849b0ef94d2a1ac41fc38be7
commit 1f5ae9c818012bb1849b0ef94d2a1ac41fc38be7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d1cf97e62870e0ca21577798781e45062f097cfb
commit d1cf97e62870e0ca21577798781e45062f097cfb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6becb881b89804e548c9b5e2830d08c3f3a4375
commit c6becb881b89804e548c9b5e2830d08c3f3a4375
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a5f5f30ddd69f401c5e659c31d7f7d47a866fb4
commit 1a5f5f30ddd69f401c5e659c31d7f7d47a866fb4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bf4a7462771255da945c36d68f5c40ccc7057785
commit bf4a7462771255da945c36d68f5c40ccc7057785
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4505f6d1c95e1cb3649afcfd1d015798134bbee1
commit 4505f6d1c95e1cb3649afcfd1d015798134bbee1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fa97ffa38a36e6c31e463ce9e6c36b7ebd37c30a
commit fa97ffa38a36e6c31e463ce9e6c36b7ebd37c30a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e80cbb644f66e348c3309b519094a960b464ead
commit 2e80cbb644f66e348c3309b519094a960b464ead
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cf84bc1703bab79c213401abd06c96ec06c72bcf
commit cf84bc1703bab79c213401abd06c96ec06c72bcf
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07ce7979d9388ba53f76623944334be0fe37dad3
commit 07ce7979d9388ba53f76623944334be0fe37dad3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d89d5ad98b455af01f2c2b66844c01686c5355d
commit 1d89d5ad98b455af01f2c2b66844c01686c5355d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8d20a6120a8d18f47410c1c615ff6638a6bb0888
commit 8d20a6120a8d18f47410c1c615ff6638a6bb0888
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5dad6e8e80369e9e6f23906bc5f73545c4495f60
commit 5dad6e8e80369e9e6f23906bc5f73545c4495f60
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f5b112888e7f059a8abbbd17357704ebc04a11b
commit 6f5b112888e7f059a8abbbd17357704ebc04a11b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ef94e7ccd20d1cae2bcd2e32e3042f29ce2fde00
commit ef94e7ccd20d1cae2bcd2e32e3042f29ce2fde00
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7a91f10516da83d73468f4e3299f28bd681e7e46
commit 7a91f10516da83d73468f4e3299f28bd681e7e46
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d990c69889cd6b616f50481a7dfd9c6f225599f9
commit d990c69889cd6b616f50481a7dfd9c6f225599f9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ca9375396c239f4712f28db0e45531f4680d34d8
commit ca9375396c239f4712f28db0e45531f4680d34d8
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
commit 9d08f1f86c85e547cbd5db8dcfe7b571bd66f640
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=321328d751e0797d49656904813427e00377f30b
commit 321328d751e0797d49656904813427e00377f30b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
To be Y2038-proof, struct __timespec64 needs its tv_sec field to
be a __time64_t rather than a __time_t. However, the question is
which type should the tv_nsec field be.
Keeping tv_nsec a long (32-bit) would be compatible with Posix
requirements but would result in the GLIBC struct timespec being
binary-incompatible with the Linux 64-bit struct timespec, which
contains a 64-bit, not 32-bit, signed tv_nsec field.
In order to maintain Posix compatibility yet simplify conversion
between Posix and Linux struct timespec values, the Y2038-proof
struct time stores its tv_nsec field as a 32-bit signed integer
plus a padding which can serve as a 64-bit sign extension. This
both meets Posix requirements and makes the GLIBC and Linux
struct timespec binary compatible.
Note that in the API (which is not modified here, and will be
later alongside all Y2038-sensitive APIs), this padding is made
'invisible' by defining it as an anonymous bitfield, whereas
the struct __timespec64 introduced here has a named field for
the padding, allowing implementations to read and write it.
Also, provide static inline functions and macros for checking
and converting between 32-bit itimevals and timespecs to 64-bit
timespecs.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 19 Sep 2018 07:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 30271f7b8b5931e9ae3b30fbccc73182552b1bf3 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=30271f7b8b5931e9ae3b30fbccc73182552b1bf3
commit 30271f7b8b5931e9ae3b30fbccc73182552b1bf3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86179f7bd8418456b9717c7c4c64fb8da48bda02
commit 86179f7bd8418456b9717c7c4c64fb8da48bda02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5b6c5e98902b82a2f326e7749e7a6b745d5406fa
commit 5b6c5e98902b82a2f326e7749e7a6b745d5406fa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f2bddd332e41b35bbb4c07f2dff38f18dacee823
commit f2bddd332e41b35bbb4c07f2dff38f18dacee823
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=83892df6525ef10847ace62823359757481eb3bd
commit 83892df6525ef10847ace62823359757481eb3bd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
commit dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff0379ba9ea047e281418253eeb335b0dbfc0e9f
commit ff0379ba9ea047e281418253eeb335b0dbfc0e9f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6929803700f1cb54091d8dc1e496bdce59d9155
commit c6929803700f1cb54091d8dc1e496bdce59d9155
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f98889682bead5ca95f9ea0f338c2ab1c074ca02
commit f98889682bead5ca95f9ea0f338c2ab1c074ca02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
commit 14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6644b95f14ebd9690f43534b67ffd1dc8ad9f082
commit 6644b95f14ebd9690f43534b67ffd1dc8ad9f082
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f493afa2f026d60cc276fd284b7f5adfded3acbd
commit f493afa2f026d60cc276fd284b7f5adfded3acbd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41932d5a08ce1ef30fb71876534a1e7457133628
commit 41932d5a08ce1ef30fb71876534a1e7457133628
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41678ce2ce9896958f3e2bd04b00288d7e5c0581
commit 41678ce2ce9896958f3e2bd04b00288d7e5c0581
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16bbec25d517bdf175a1285880c73bcf773454cd
commit 16bbec25d517bdf175a1285880c73bcf773454cd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e3c698880c051fc25dfa785099f31c5cf5158f63
commit e3c698880c051fc25dfa785099f31c5cf5158f63
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6f08bb680506cfa9767857edff93a32dcfb0fbe
commit d6f08bb680506cfa9767857edff93a32dcfb0fbe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=29fd064f881a877400b7ec2357e9a52e423d3680
commit 29fd064f881a877400b7ec2357e9a52e423d3680
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
commit b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ad95656381e14150d7048ed87a9e1c444270d24
commit 1ad95656381e14150d7048ed87a9e1c444270d24
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10cacc3e26cbb6f3640ddd56208153dc3ff39690
commit 10cacc3e26cbb6f3640ddd56208153dc3ff39690
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53e6ac7500dbc03a47d1002bebc15d22a6283dce
commit 53e6ac7500dbc03a47d1002bebc15d22a6283dce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e61dcf37bba2c3b231e6e617800788a2b654712
commit 4e61dcf37bba2c3b231e6e617800788a2b654712
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51cb1ab07d861652e0f7383ef27f1d60896ece9
commit c51cb1ab07d861652e0f7383ef27f1d60896ece9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=342a738b2fa2b0edf2a91d7ab81f6668f5324f99
commit 342a738b2fa2b0edf2a91d7ab81f6668f5324f99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc05361ef3943a1156e6651fbf9f5987b450a6af
commit bc05361ef3943a1156e6651fbf9f5987b450a6af
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bee22b41e9b0bac1855676b97484d5554dccb99
commit 4bee22b41e9b0bac1855676b97484d5554dccb99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
commit 9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b58e311d54c688e320746d4a3d510fc0aa0ee21
commit 2b58e311d54c688e320746d4a3d510fc0aa0ee21
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77fb4b34d42e8761634bb9557472b6bb63521269
commit 77fb4b34d42e8761634bb9557472b6bb63521269
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80247ab05235567e17ff981c97f120b2cd22950a
commit 80247ab05235567e17ff981c97f120b2cd22950a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
commit 3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0163cee615041e89797d7c04a7c33a5256bf4324
commit 0163cee615041e89797d7c04a7c33a5256bf4324
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=223a3bd4eb34acd7e2fb1e9415849a1bd4404084
commit 223a3bd4eb34acd7e2fb1e9415849a1bd4404084
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59cfa92672eda4b424e70df380ad6750ed6c79ad
commit 59cfa92672eda4b424e70df380ad6750ed6c79ad
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
commit 5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cc757c8616cd93fdc268d87f70c5e3f7088cae4b
commit cc757c8616cd93fdc268d87f70c5e3f7088cae4b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c501fa4333f91ba563229d45bbc013f8860f6f
commit b3c501fa4333f91ba563229d45bbc013f8860f6f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce4546c21b80664daf00fa6ad4b8ca5f5127c550
commit ce4546c21b80664daf00fa6ad4b8ca5f5127c550
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88b52239061ac893e012826b4529766d900ff2e7
commit 88b52239061ac893e012826b4529766d900ff2e7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d47516a63714137a1f5cb3ed457db42a75d6f059
commit d47516a63714137a1f5cb3ed457db42a75d6f059
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e2266f244913860df9d91a5de6bd5b7baacc9f7e
commit e2266f244913860df9d91a5de6bd5b7baacc9f7e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37cac0c3ae59f2dd46ed790d2534fedc2de574d9
commit 37cac0c3ae59f2dd46ed790d2534fedc2de574d9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5162fdf671b157e76a5000c731d14a6827b7648d
commit 5162fdf671b157e76a5000c731d14a6827b7648d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b3c14926f9d80aeb36d1d37ed4064497a79699c
commit 1b3c14926f9d80aeb36d1d37ed4064497a79699c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
commit 133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 07:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 30271f7b8b5931e9ae3b30fbccc73182552b1bf3 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=30271f7b8b5931e9ae3b30fbccc73182552b1bf3
commit 30271f7b8b5931e9ae3b30fbccc73182552b1bf3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86179f7bd8418456b9717c7c4c64fb8da48bda02
commit 86179f7bd8418456b9717c7c4c64fb8da48bda02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5b6c5e98902b82a2f326e7749e7a6b745d5406fa
commit 5b6c5e98902b82a2f326e7749e7a6b745d5406fa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f2bddd332e41b35bbb4c07f2dff38f18dacee823
commit f2bddd332e41b35bbb4c07f2dff38f18dacee823
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=83892df6525ef10847ace62823359757481eb3bd
commit 83892df6525ef10847ace62823359757481eb3bd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
commit dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff0379ba9ea047e281418253eeb335b0dbfc0e9f
commit ff0379ba9ea047e281418253eeb335b0dbfc0e9f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6929803700f1cb54091d8dc1e496bdce59d9155
commit c6929803700f1cb54091d8dc1e496bdce59d9155
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f98889682bead5ca95f9ea0f338c2ab1c074ca02
commit f98889682bead5ca95f9ea0f338c2ab1c074ca02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
commit 14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6644b95f14ebd9690f43534b67ffd1dc8ad9f082
commit 6644b95f14ebd9690f43534b67ffd1dc8ad9f082
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f493afa2f026d60cc276fd284b7f5adfded3acbd
commit f493afa2f026d60cc276fd284b7f5adfded3acbd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41932d5a08ce1ef30fb71876534a1e7457133628
commit 41932d5a08ce1ef30fb71876534a1e7457133628
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41678ce2ce9896958f3e2bd04b00288d7e5c0581
commit 41678ce2ce9896958f3e2bd04b00288d7e5c0581
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16bbec25d517bdf175a1285880c73bcf773454cd
commit 16bbec25d517bdf175a1285880c73bcf773454cd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e3c698880c051fc25dfa785099f31c5cf5158f63
commit e3c698880c051fc25dfa785099f31c5cf5158f63
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6f08bb680506cfa9767857edff93a32dcfb0fbe
commit d6f08bb680506cfa9767857edff93a32dcfb0fbe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=29fd064f881a877400b7ec2357e9a52e423d3680
commit 29fd064f881a877400b7ec2357e9a52e423d3680
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
commit b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ad95656381e14150d7048ed87a9e1c444270d24
commit 1ad95656381e14150d7048ed87a9e1c444270d24
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10cacc3e26cbb6f3640ddd56208153dc3ff39690
commit 10cacc3e26cbb6f3640ddd56208153dc3ff39690
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53e6ac7500dbc03a47d1002bebc15d22a6283dce
commit 53e6ac7500dbc03a47d1002bebc15d22a6283dce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e61dcf37bba2c3b231e6e617800788a2b654712
commit 4e61dcf37bba2c3b231e6e617800788a2b654712
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51cb1ab07d861652e0f7383ef27f1d60896ece9
commit c51cb1ab07d861652e0f7383ef27f1d60896ece9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=342a738b2fa2b0edf2a91d7ab81f6668f5324f99
commit 342a738b2fa2b0edf2a91d7ab81f6668f5324f99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc05361ef3943a1156e6651fbf9f5987b450a6af
commit bc05361ef3943a1156e6651fbf9f5987b450a6af
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bee22b41e9b0bac1855676b97484d5554dccb99
commit 4bee22b41e9b0bac1855676b97484d5554dccb99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
commit 9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b58e311d54c688e320746d4a3d510fc0aa0ee21
commit 2b58e311d54c688e320746d4a3d510fc0aa0ee21
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77fb4b34d42e8761634bb9557472b6bb63521269
commit 77fb4b34d42e8761634bb9557472b6bb63521269
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80247ab05235567e17ff981c97f120b2cd22950a
commit 80247ab05235567e17ff981c97f120b2cd22950a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
commit 3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0163cee615041e89797d7c04a7c33a5256bf4324
commit 0163cee615041e89797d7c04a7c33a5256bf4324
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=223a3bd4eb34acd7e2fb1e9415849a1bd4404084
commit 223a3bd4eb34acd7e2fb1e9415849a1bd4404084
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59cfa92672eda4b424e70df380ad6750ed6c79ad
commit 59cfa92672eda4b424e70df380ad6750ed6c79ad
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
commit 5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cc757c8616cd93fdc268d87f70c5e3f7088cae4b
commit cc757c8616cd93fdc268d87f70c5e3f7088cae4b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c501fa4333f91ba563229d45bbc013f8860f6f
commit b3c501fa4333f91ba563229d45bbc013f8860f6f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce4546c21b80664daf00fa6ad4b8ca5f5127c550
commit ce4546c21b80664daf00fa6ad4b8ca5f5127c550
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88b52239061ac893e012826b4529766d900ff2e7
commit 88b52239061ac893e012826b4529766d900ff2e7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d47516a63714137a1f5cb3ed457db42a75d6f059
commit d47516a63714137a1f5cb3ed457db42a75d6f059
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e2266f244913860df9d91a5de6bd5b7baacc9f7e
commit e2266f244913860df9d91a5de6bd5b7baacc9f7e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37cac0c3ae59f2dd46ed790d2534fedc2de574d9
commit 37cac0c3ae59f2dd46ed790d2534fedc2de574d9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5162fdf671b157e76a5000c731d14a6827b7648d
commit 5162fdf671b157e76a5000c731d14a6827b7648d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b3c14926f9d80aeb36d1d37ed4064497a79699c
commit 1b3c14926f9d80aeb36d1d37ed4064497a79699c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
commit 133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 19 Sep 2018 07:45:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 30271f7b8b5931e9ae3b30fbccc73182552b1bf3 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=30271f7b8b5931e9ae3b30fbccc73182552b1bf3
commit 30271f7b8b5931e9ae3b30fbccc73182552b1bf3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86179f7bd8418456b9717c7c4c64fb8da48bda02
commit 86179f7bd8418456b9717c7c4c64fb8da48bda02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5b6c5e98902b82a2f326e7749e7a6b745d5406fa
commit 5b6c5e98902b82a2f326e7749e7a6b745d5406fa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f2bddd332e41b35bbb4c07f2dff38f18dacee823
commit f2bddd332e41b35bbb4c07f2dff38f18dacee823
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=83892df6525ef10847ace62823359757481eb3bd
commit 83892df6525ef10847ace62823359757481eb3bd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
commit dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff0379ba9ea047e281418253eeb335b0dbfc0e9f
commit ff0379ba9ea047e281418253eeb335b0dbfc0e9f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6929803700f1cb54091d8dc1e496bdce59d9155
commit c6929803700f1cb54091d8dc1e496bdce59d9155
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f98889682bead5ca95f9ea0f338c2ab1c074ca02
commit f98889682bead5ca95f9ea0f338c2ab1c074ca02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
commit 14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6644b95f14ebd9690f43534b67ffd1dc8ad9f082
commit 6644b95f14ebd9690f43534b67ffd1dc8ad9f082
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f493afa2f026d60cc276fd284b7f5adfded3acbd
commit f493afa2f026d60cc276fd284b7f5adfded3acbd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41932d5a08ce1ef30fb71876534a1e7457133628
commit 41932d5a08ce1ef30fb71876534a1e7457133628
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41678ce2ce9896958f3e2bd04b00288d7e5c0581
commit 41678ce2ce9896958f3e2bd04b00288d7e5c0581
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16bbec25d517bdf175a1285880c73bcf773454cd
commit 16bbec25d517bdf175a1285880c73bcf773454cd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e3c698880c051fc25dfa785099f31c5cf5158f63
commit e3c698880c051fc25dfa785099f31c5cf5158f63
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6f08bb680506cfa9767857edff93a32dcfb0fbe
commit d6f08bb680506cfa9767857edff93a32dcfb0fbe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=29fd064f881a877400b7ec2357e9a52e423d3680
commit 29fd064f881a877400b7ec2357e9a52e423d3680
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
commit b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ad95656381e14150d7048ed87a9e1c444270d24
commit 1ad95656381e14150d7048ed87a9e1c444270d24
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10cacc3e26cbb6f3640ddd56208153dc3ff39690
commit 10cacc3e26cbb6f3640ddd56208153dc3ff39690
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53e6ac7500dbc03a47d1002bebc15d22a6283dce
commit 53e6ac7500dbc03a47d1002bebc15d22a6283dce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e61dcf37bba2c3b231e6e617800788a2b654712
commit 4e61dcf37bba2c3b231e6e617800788a2b654712
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51cb1ab07d861652e0f7383ef27f1d60896ece9
commit c51cb1ab07d861652e0f7383ef27f1d60896ece9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=342a738b2fa2b0edf2a91d7ab81f6668f5324f99
commit 342a738b2fa2b0edf2a91d7ab81f6668f5324f99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc05361ef3943a1156e6651fbf9f5987b450a6af
commit bc05361ef3943a1156e6651fbf9f5987b450a6af
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bee22b41e9b0bac1855676b97484d5554dccb99
commit 4bee22b41e9b0bac1855676b97484d5554dccb99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
commit 9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b58e311d54c688e320746d4a3d510fc0aa0ee21
commit 2b58e311d54c688e320746d4a3d510fc0aa0ee21
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77fb4b34d42e8761634bb9557472b6bb63521269
commit 77fb4b34d42e8761634bb9557472b6bb63521269
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80247ab05235567e17ff981c97f120b2cd22950a
commit 80247ab05235567e17ff981c97f120b2cd22950a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
commit 3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0163cee615041e89797d7c04a7c33a5256bf4324
commit 0163cee615041e89797d7c04a7c33a5256bf4324
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=223a3bd4eb34acd7e2fb1e9415849a1bd4404084
commit 223a3bd4eb34acd7e2fb1e9415849a1bd4404084
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59cfa92672eda4b424e70df380ad6750ed6c79ad
commit 59cfa92672eda4b424e70df380ad6750ed6c79ad
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
commit 5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cc757c8616cd93fdc268d87f70c5e3f7088cae4b
commit cc757c8616cd93fdc268d87f70c5e3f7088cae4b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c501fa4333f91ba563229d45bbc013f8860f6f
commit b3c501fa4333f91ba563229d45bbc013f8860f6f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce4546c21b80664daf00fa6ad4b8ca5f5127c550
commit ce4546c21b80664daf00fa6ad4b8ca5f5127c550
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88b52239061ac893e012826b4529766d900ff2e7
commit 88b52239061ac893e012826b4529766d900ff2e7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d47516a63714137a1f5cb3ed457db42a75d6f059
commit d47516a63714137a1f5cb3ed457db42a75d6f059
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e2266f244913860df9d91a5de6bd5b7baacc9f7e
commit e2266f244913860df9d91a5de6bd5b7baacc9f7e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37cac0c3ae59f2dd46ed790d2534fedc2de574d9
commit 37cac0c3ae59f2dd46ed790d2534fedc2de574d9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5162fdf671b157e76a5000c731d14a6827b7648d
commit 5162fdf671b157e76a5000c731d14a6827b7648d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b3c14926f9d80aeb36d1d37ed4064497a79699c
commit 1b3c14926f9d80aeb36d1d37ed4064497a79699c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
commit 133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 07:45:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 30271f7b8b5931e9ae3b30fbccc73182552b1bf3 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=30271f7b8b5931e9ae3b30fbccc73182552b1bf3
commit 30271f7b8b5931e9ae3b30fbccc73182552b1bf3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86179f7bd8418456b9717c7c4c64fb8da48bda02
commit 86179f7bd8418456b9717c7c4c64fb8da48bda02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5b6c5e98902b82a2f326e7749e7a6b745d5406fa
commit 5b6c5e98902b82a2f326e7749e7a6b745d5406fa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f2bddd332e41b35bbb4c07f2dff38f18dacee823
commit f2bddd332e41b35bbb4c07f2dff38f18dacee823
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=83892df6525ef10847ace62823359757481eb3bd
commit 83892df6525ef10847ace62823359757481eb3bd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
commit dd95cae9dacbff3d7ea4ac8dff59faa1e2a63b7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff0379ba9ea047e281418253eeb335b0dbfc0e9f
commit ff0379ba9ea047e281418253eeb335b0dbfc0e9f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6929803700f1cb54091d8dc1e496bdce59d9155
commit c6929803700f1cb54091d8dc1e496bdce59d9155
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f98889682bead5ca95f9ea0f338c2ab1c074ca02
commit f98889682bead5ca95f9ea0f338c2ab1c074ca02
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
commit 14a93c3a2a4fea70bed4e4f66cf5f027eaf96c3f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6644b95f14ebd9690f43534b67ffd1dc8ad9f082
commit 6644b95f14ebd9690f43534b67ffd1dc8ad9f082
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f493afa2f026d60cc276fd284b7f5adfded3acbd
commit f493afa2f026d60cc276fd284b7f5adfded3acbd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41932d5a08ce1ef30fb71876534a1e7457133628
commit 41932d5a08ce1ef30fb71876534a1e7457133628
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41678ce2ce9896958f3e2bd04b00288d7e5c0581
commit 41678ce2ce9896958f3e2bd04b00288d7e5c0581
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16bbec25d517bdf175a1285880c73bcf773454cd
commit 16bbec25d517bdf175a1285880c73bcf773454cd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e3c698880c051fc25dfa785099f31c5cf5158f63
commit e3c698880c051fc25dfa785099f31c5cf5158f63
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6f08bb680506cfa9767857edff93a32dcfb0fbe
commit d6f08bb680506cfa9767857edff93a32dcfb0fbe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=29fd064f881a877400b7ec2357e9a52e423d3680
commit 29fd064f881a877400b7ec2357e9a52e423d3680
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
commit b832fdd497a4967e4ce9fa6b246f03c8fa4a1592
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ad95656381e14150d7048ed87a9e1c444270d24
commit 1ad95656381e14150d7048ed87a9e1c444270d24
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10cacc3e26cbb6f3640ddd56208153dc3ff39690
commit 10cacc3e26cbb6f3640ddd56208153dc3ff39690
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53e6ac7500dbc03a47d1002bebc15d22a6283dce
commit 53e6ac7500dbc03a47d1002bebc15d22a6283dce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e61dcf37bba2c3b231e6e617800788a2b654712
commit 4e61dcf37bba2c3b231e6e617800788a2b654712
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51cb1ab07d861652e0f7383ef27f1d60896ece9
commit c51cb1ab07d861652e0f7383ef27f1d60896ece9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=342a738b2fa2b0edf2a91d7ab81f6668f5324f99
commit 342a738b2fa2b0edf2a91d7ab81f6668f5324f99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc05361ef3943a1156e6651fbf9f5987b450a6af
commit bc05361ef3943a1156e6651fbf9f5987b450a6af
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bee22b41e9b0bac1855676b97484d5554dccb99
commit 4bee22b41e9b0bac1855676b97484d5554dccb99
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
commit 9c7f38faf67efde6ddb0f4ddd2453a7be6b6832b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b58e311d54c688e320746d4a3d510fc0aa0ee21
commit 2b58e311d54c688e320746d4a3d510fc0aa0ee21
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77fb4b34d42e8761634bb9557472b6bb63521269
commit 77fb4b34d42e8761634bb9557472b6bb63521269
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80247ab05235567e17ff981c97f120b2cd22950a
commit 80247ab05235567e17ff981c97f120b2cd22950a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
commit 3e1b0beed2557b4a26caf26b2a8fe6c719c520d5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0163cee615041e89797d7c04a7c33a5256bf4324
commit 0163cee615041e89797d7c04a7c33a5256bf4324
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=223a3bd4eb34acd7e2fb1e9415849a1bd4404084
commit 223a3bd4eb34acd7e2fb1e9415849a1bd4404084
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59cfa92672eda4b424e70df380ad6750ed6c79ad
commit 59cfa92672eda4b424e70df380ad6750ed6c79ad
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
commit 5f62b6fcedd7b2ec976a4c357a019c71ee36a8ce
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cc757c8616cd93fdc268d87f70c5e3f7088cae4b
commit cc757c8616cd93fdc268d87f70c5e3f7088cae4b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c501fa4333f91ba563229d45bbc013f8860f6f
commit b3c501fa4333f91ba563229d45bbc013f8860f6f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce4546c21b80664daf00fa6ad4b8ca5f5127c550
commit ce4546c21b80664daf00fa6ad4b8ca5f5127c550
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88b52239061ac893e012826b4529766d900ff2e7
commit 88b52239061ac893e012826b4529766d900ff2e7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d47516a63714137a1f5cb3ed457db42a75d6f059
commit d47516a63714137a1f5cb3ed457db42a75d6f059
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e2266f244913860df9d91a5de6bd5b7baacc9f7e
commit e2266f244913860df9d91a5de6bd5b7baacc9f7e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37cac0c3ae59f2dd46ed790d2534fedc2de574d9
commit 37cac0c3ae59f2dd46ed790d2534fedc2de574d9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5162fdf671b157e76a5000c731d14a6827b7648d
commit 5162fdf671b157e76a5000c731d14a6827b7648d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b3c14926f9d80aeb36d1d37ed4064497a79699c
commit 1b3c14926f9d80aeb36d1d37ed4064497a79699c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
commit 133c3ec5746730b7ad7dffd154bc7fa6deb2f9c1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 08:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 08a9200df25107ad05c29a8e3c36d68179d3d702 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=08a9200df25107ad05c29a8e3c36d68179d3d702
commit 08a9200df25107ad05c29a8e3c36d68179d3d702
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9ab40356eb1acc00712f1949d8c479713774c50e
commit 9ab40356eb1acc00712f1949d8c479713774c50e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba5ac5133c8ac8236bfb39fd700c589e310bcbc3
commit ba5ac5133c8ac8236bfb39fd700c589e310bcbc3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=89b90866f2c17b7c072b76b409003ee1d2953bb1
commit 89b90866f2c17b7c072b76b409003ee1d2953bb1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8fba0bc15f5662ec51c59d0c34b82eea0778e5a5
commit 8fba0bc15f5662ec51c59d0c34b82eea0778e5a5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9966f113bfd8c87bfd32311258862f9a6605488c
commit 9966f113bfd8c87bfd32311258862f9a6605488c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b8bbabfd0da1cdb1b2f62d9243457011efc3c430
commit b8bbabfd0da1cdb1b2f62d9243457011efc3c430
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb8efa653928ac1f05837a3a9d91a36e3d1051a5
commit eb8efa653928ac1f05837a3a9d91a36e3d1051a5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c33009ebdb6fd736f0ed50a19a402c80c5ac0e3
commit 5c33009ebdb6fd736f0ed50a19a402c80c5ac0e3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=abe9af278d2dcedcf17ce105327de79e0f713d3e
commit abe9af278d2dcedcf17ce105327de79e0f713d3e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=355d3870d016962a2d0959f5aa687cb944bb2ea5
commit 355d3870d016962a2d0959f5aa687cb944bb2ea5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37558f0cdaae9b774c80fb420ecc5d950680a49d
commit 37558f0cdaae9b774c80fb420ecc5d950680a49d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36d6fc2769458b5bf655f535755ec9ae698c5b5a
commit 36d6fc2769458b5bf655f535755ec9ae698c5b5a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58eb322b126246d17098c606e4312961dc04679a
commit 58eb322b126246d17098c606e4312961dc04679a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de7f58bc51f2e86bd16f3aeaa9dca7a454706037
commit de7f58bc51f2e86bd16f3aeaa9dca7a454706037
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=790366c9e1f97bcd89d7a3d65816af4d1b307fad
commit 790366c9e1f97bcd89d7a3d65816af4d1b307fad
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=28c746c62e20ff743a762713758f877b7bbc4767
commit 28c746c62e20ff743a762713758f877b7bbc4767
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff59a7d1399e439c7da7626e5d76972e27185d6
commit aff59a7d1399e439c7da7626e5d76972e27185d6
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=daa35601510c8cc0a06d88c8efca18092792bbd0
commit daa35601510c8cc0a06d88c8efca18092792bbd0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ad55e4722bb54e2b9698892feecefabdfd195147
commit ad55e4722bb54e2b9698892feecefabdfd195147
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=af968ea940fa67c68402b9142a6f05a0630fdaee
commit af968ea940fa67c68402b9142a6f05a0630fdaee
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f4af35842056141f9e235dad50b56b3a22538ae
commit 3f4af35842056141f9e235dad50b56b3a22538ae
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=79c63b9951c162bf260d68b04fc3726b81451f64
commit 79c63b9951c162bf260d68b04fc3726b81451f64
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ff44ea35400dc5a464d06f15cbc306b2c692191
commit 6ff44ea35400dc5a464d06f15cbc306b2c692191
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d343c3981df35769cda910de3a2b2878a7263091
commit d343c3981df35769cda910de3a2b2878a7263091
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32d5fb3bab5f28d9a3ee81e18cff88faa0ede402
commit 32d5fb3bab5f28d9a3ee81e18cff88faa0ede402
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=427dc6925bbcb3912bb25fd51eb5972dd73b1fa4
commit 427dc6925bbcb3912bb25fd51eb5972dd73b1fa4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f539ec043fdeda7ded6f546a2647b606099619eb
commit f539ec043fdeda7ded6f546a2647b606099619eb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59a4dbba83c3628447e29470f6cfc86f79f52797
commit 59a4dbba83c3628447e29470f6cfc86f79f52797
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c9fdb8914a3af7215c65c889ca656046d596655a
commit c9fdb8914a3af7215c65c889ca656046d596655a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d7b3a49700b6c101af6e9bbfcde6d3e9c60daa9
commit 2d7b3a49700b6c101af6e9bbfcde6d3e9c60daa9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=725aa08c494e7108912411a1d96d289f1f602634
commit 725aa08c494e7108912411a1d96d289f1f602634
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19f2debd5894cb5d3d807a6f4130a012ba095455
commit 19f2debd5894cb5d3d807a6f4130a012ba095455
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=556ca0ec3c6f0da44b585b6f89e5fcc8b0c02b12
commit 556ca0ec3c6f0da44b585b6f89e5fcc8b0c02b12
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a275e5235cafff49ffa32cc5a4e143b6dcf562c2
commit a275e5235cafff49ffa32cc5a4e143b6dcf562c2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df6df297b708b6c3faf5b57ad7efc7f827eb9cf2
commit df6df297b708b6c3faf5b57ad7efc7f827eb9cf2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=224b6638305ebe36f1916b28e490c63857f87bf1
commit 224b6638305ebe36f1916b28e490c63857f87bf1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=35ebe23a70319cf4664cc6d73f3050c77475d270
commit 35ebe23a70319cf4664cc6d73f3050c77475d270
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a374c3f313ce79fb13de8ad19885323cd163313e
commit a374c3f313ce79fb13de8ad19885323cd163313e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=60dd44180cb0a2b83d0ef29d690eab961716c4fd
commit 60dd44180cb0a2b83d0ef29d690eab961716c4fd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a27cdf7f21ce3c2f317f3ebfcf5fd99ce40b64a
commit 1a27cdf7f21ce3c2f317f3ebfcf5fd99ce40b64a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cd6660343e4aa16dfd6411432be1a2abfddef8d4
commit cd6660343e4aa16dfd6411432be1a2abfddef8d4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=522496c3addab5cb4b30b0ed9c262437f73b5c17
commit 522496c3addab5cb4b30b0ed9c262437f73b5c17
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a875a2f5cc834714a9a2bacb55f167677a8b82c7
commit a875a2f5cc834714a9a2bacb55f167677a8b82c7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=85df550b1be0d01a18fbbd3f227b2ad39c503810
commit 85df550b1be0d01a18fbbd3f227b2ad39c503810
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5df9adf4d52ffd5d4e983788c94f0f2359d4d68e
commit 5df9adf4d52ffd5d4e983788c94f0f2359d4d68e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
* include/time.h (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c (hp_timing_getres): Use
struct __timespec64.
* sysdeps/posix/clock_getres.c (realtime_getres): Likewise.
* sysdeps/posix/clock_getres.c (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES64.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES_CPU64.
* sysdeps/posix/clock_getres.c (__clock_getres):
Use __clock_getres_time64.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES32): Add.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES_CPU64): Likewise.
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 19 Sep 2018 08:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 08a9200df25107ad05c29a8e3c36d68179d3d702 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=08a9200df25107ad05c29a8e3c36d68179d3d702
commit 08a9200df25107ad05c29a8e3c36d68179d3d702
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9ab40356eb1acc00712f1949d8c479713774c50e
commit 9ab40356eb1acc00712f1949d8c479713774c50e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba5ac5133c8ac8236bfb39fd700c589e310bcbc3
commit ba5ac5133c8ac8236bfb39fd700c589e310bcbc3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=89b90866f2c17b7c072b76b409003ee1d2953bb1
commit 89b90866f2c17b7c072b76b409003ee1d2953bb1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8fba0bc15f5662ec51c59d0c34b82eea0778e5a5
commit 8fba0bc15f5662ec51c59d0c34b82eea0778e5a5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9966f113bfd8c87bfd32311258862f9a6605488c
commit 9966f113bfd8c87bfd32311258862f9a6605488c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b8bbabfd0da1cdb1b2f62d9243457011efc3c430
commit b8bbabfd0da1cdb1b2f62d9243457011efc3c430
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb8efa653928ac1f05837a3a9d91a36e3d1051a5
commit eb8efa653928ac1f05837a3a9d91a36e3d1051a5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5c33009ebdb6fd736f0ed50a19a402c80c5ac0e3
commit 5c33009ebdb6fd736f0ed50a19a402c80c5ac0e3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=abe9af278d2dcedcf17ce105327de79e0f713d3e
commit abe9af278d2dcedcf17ce105327de79e0f713d3e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=355d3870d016962a2d0959f5aa687cb944bb2ea5
commit 355d3870d016962a2d0959f5aa687cb944bb2ea5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37558f0cdaae9b774c80fb420ecc5d950680a49d
commit 37558f0cdaae9b774c80fb420ecc5d950680a49d
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36d6fc2769458b5bf655f535755ec9ae698c5b5a
commit 36d6fc2769458b5bf655f535755ec9ae698c5b5a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58eb322b126246d17098c606e4312961dc04679a
commit 58eb322b126246d17098c606e4312961dc04679a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de7f58bc51f2e86bd16f3aeaa9dca7a454706037
commit de7f58bc51f2e86bd16f3aeaa9dca7a454706037
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=790366c9e1f97bcd89d7a3d65816af4d1b307fad
commit 790366c9e1f97bcd89d7a3d65816af4d1b307fad
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=28c746c62e20ff743a762713758f877b7bbc4767
commit 28c746c62e20ff743a762713758f877b7bbc4767
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff59a7d1399e439c7da7626e5d76972e27185d6
commit aff59a7d1399e439c7da7626e5d76972e27185d6
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=daa35601510c8cc0a06d88c8efca18092792bbd0
commit daa35601510c8cc0a06d88c8efca18092792bbd0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ad55e4722bb54e2b9698892feecefabdfd195147
commit ad55e4722bb54e2b9698892feecefabdfd195147
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=af968ea940fa67c68402b9142a6f05a0630fdaee
commit af968ea940fa67c68402b9142a6f05a0630fdaee
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f4af35842056141f9e235dad50b56b3a22538ae
commit 3f4af35842056141f9e235dad50b56b3a22538ae
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=79c63b9951c162bf260d68b04fc3726b81451f64
commit 79c63b9951c162bf260d68b04fc3726b81451f64
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ff44ea35400dc5a464d06f15cbc306b2c692191
commit 6ff44ea35400dc5a464d06f15cbc306b2c692191
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d343c3981df35769cda910de3a2b2878a7263091
commit d343c3981df35769cda910de3a2b2878a7263091
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32d5fb3bab5f28d9a3ee81e18cff88faa0ede402
commit 32d5fb3bab5f28d9a3ee81e18cff88faa0ede402
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=427dc6925bbcb3912bb25fd51eb5972dd73b1fa4
commit 427dc6925bbcb3912bb25fd51eb5972dd73b1fa4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f539ec043fdeda7ded6f546a2647b606099619eb
commit f539ec043fdeda7ded6f546a2647b606099619eb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59a4dbba83c3628447e29470f6cfc86f79f52797
commit 59a4dbba83c3628447e29470f6cfc86f79f52797
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c9fdb8914a3af7215c65c889ca656046d596655a
commit c9fdb8914a3af7215c65c889ca656046d596655a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d7b3a49700b6c101af6e9bbfcde6d3e9c60daa9
commit 2d7b3a49700b6c101af6e9bbfcde6d3e9c60daa9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=725aa08c494e7108912411a1d96d289f1f602634
commit 725aa08c494e7108912411a1d96d289f1f602634
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19f2debd5894cb5d3d807a6f4130a012ba095455
commit 19f2debd5894cb5d3d807a6f4130a012ba095455
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=556ca0ec3c6f0da44b585b6f89e5fcc8b0c02b12
commit 556ca0ec3c6f0da44b585b6f89e5fcc8b0c02b12
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a275e5235cafff49ffa32cc5a4e143b6dcf562c2
commit a275e5235cafff49ffa32cc5a4e143b6dcf562c2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df6df297b708b6c3faf5b57ad7efc7f827eb9cf2
commit df6df297b708b6c3faf5b57ad7efc7f827eb9cf2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=224b6638305ebe36f1916b28e490c63857f87bf1
commit 224b6638305ebe36f1916b28e490c63857f87bf1
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=35ebe23a70319cf4664cc6d73f3050c77475d270
commit 35ebe23a70319cf4664cc6d73f3050c77475d270
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a374c3f313ce79fb13de8ad19885323cd163313e
commit a374c3f313ce79fb13de8ad19885323cd163313e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=60dd44180cb0a2b83d0ef29d690eab961716c4fd
commit 60dd44180cb0a2b83d0ef29d690eab961716c4fd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a27cdf7f21ce3c2f317f3ebfcf5fd99ce40b64a
commit 1a27cdf7f21ce3c2f317f3ebfcf5fd99ce40b64a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cd6660343e4aa16dfd6411432be1a2abfddef8d4
commit cd6660343e4aa16dfd6411432be1a2abfddef8d4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=522496c3addab5cb4b30b0ed9c262437f73b5c17
commit 522496c3addab5cb4b30b0ed9c262437f73b5c17
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a875a2f5cc834714a9a2bacb55f167677a8b82c7
commit a875a2f5cc834714a9a2bacb55f167677a8b82c7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=85df550b1be0d01a18fbbd3f227b2ad39c503810
commit 85df550b1be0d01a18fbbd3f227b2ad39c503810
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5df9adf4d52ffd5d4e983788c94f0f2359d4d68e
commit 5df9adf4d52ffd5d4e983788c94f0f2359d4d68e
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
* include/time.h (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c (hp_timing_getres): Use
struct __timespec64.
* sysdeps/posix/clock_getres.c (realtime_getres): Likewise.
* sysdeps/posix/clock_getres.c (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES64.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES_CPU64.
* sysdeps/posix/clock_getres.c (__clock_getres):
Use __clock_getres_time64.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES32): Add.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES_CPU64): Likewise.
The Unix implementation uses 32-bit calls and converts to
64-bit time.
The Linux implementation uses the 64-bit time syscall if
available, otherwise it falls back to 32-bit syscall and
conversion.
This implementation depends on the clock_getres_time64
syscall being provided by the kernel at build as well
as run time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 19 Sep 2018 08:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 892385e1177e0cc040bfb4090d3932fce8995c73 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=892385e1177e0cc040bfb4090d3932fce8995c73
commit 892385e1177e0cc040bfb4090d3932fce8995c73
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b97af533506887e7b561b134d264d60ae6d43a52
commit b97af533506887e7b561b134d264d60ae6d43a52
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=97f36a6c3c0b4c907463ee4aa079f50e0976d0c0
commit 97f36a6c3c0b4c907463ee4aa079f50e0976d0c0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10b095cd2faba727a17cc01998a95fd84c73869a
commit 10b095cd2faba727a17cc01998a95fd84c73869a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4dd7b619e7ef21b21f846d9d088ed360cfe6f783
commit 4dd7b619e7ef21b21f846d9d088ed360cfe6f783
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=631aebbd5cc8f6048c406728a361ea84d8153b57
commit 631aebbd5cc8f6048c406728a361ea84d8153b57
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a71b85f6b17e39b53a338848497591d1fd0b59fd
commit a71b85f6b17e39b53a338848497591d1fd0b59fd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=746a8b125aa328ba5fbbeceef4cfe9d411566815
commit 746a8b125aa328ba5fbbeceef4cfe9d411566815
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a36eb3d5761c6a070c3446542e437cc8327f04e9
commit a36eb3d5761c6a070c3446542e437cc8327f04e9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f3d6cc6aeb2d1698ebda9a5b150699162db217a
commit 0f3d6cc6aeb2d1698ebda9a5b150699162db217a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0bc6f9d6e130c456d49a38ff4be8204e90f348f5
commit 0bc6f9d6e130c456d49a38ff4be8204e90f348f5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1e91f114fb758c84e1adfa2e79f504a517f8672f
commit 1e91f114fb758c84e1adfa2e79f504a517f8672f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=465152d59593482ccb6b777401e28d9ba0b1ef7a
commit 465152d59593482ccb6b777401e28d9ba0b1ef7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e34592239c14f1bd455352663f3dbf073cc7b9a
commit 3e34592239c14f1bd455352663f3dbf073cc7b9a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e5912c658d04c28761768ccdfae60e97052dd5da
commit e5912c658d04c28761768ccdfae60e97052dd5da
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c73d0b44de288ecb4e2a48416ba3068472864dca
commit c73d0b44de288ecb4e2a48416ba3068472864dca
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db17670a241efb92b3b035c578c3b157129ef490
commit db17670a241efb92b3b035c578c3b157129ef490
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69660bc2cd89b6cee7a9815b24765443f57f5510
commit 69660bc2cd89b6cee7a9815b24765443f57f5510
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c38366c17d375e58099ee4bc3f70ddc2b86f30d6
commit c38366c17d375e58099ee4bc3f70ddc2b86f30d6
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f0572b029a5b2de5fd04e44a133707949446feee
commit f0572b029a5b2de5fd04e44a133707949446feee
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=25acac1c9af2b7a4d62c0a63ff58169f879ad8f3
commit 25acac1c9af2b7a4d62c0a63ff58169f879ad8f3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=711c2e684f13498defce4fe6a0814156cccce503
commit 711c2e684f13498defce4fe6a0814156cccce503
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ac027d36f0593b2c3e0c5d595d3ce5868331898
commit 8ac027d36f0593b2c3e0c5d595d3ce5868331898
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ccf4ca46cb559d77556e833f03273bba9889725
commit 8ccf4ca46cb559d77556e833f03273bba9889725
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b18e3eaf831a4c4a6dc0daa35f36e9070b86ed1f
commit b18e3eaf831a4c4a6dc0daa35f36e9070b86ed1f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d03b44538755f288325f054f8f16597d0d97c2f
commit 2d03b44538755f288325f054f8f16597d0d97c2f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6529cb1d0d6dae97c60bee387cb370f634edd115
commit 6529cb1d0d6dae97c60bee387cb370f634edd115
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d183cec4d33e953e2fb4dba443f3aec78bef475
commit 2d183cec4d33e953e2fb4dba443f3aec78bef475
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91db3b59079fe65e1d9650aeebe6b75a571e9acc
commit 91db3b59079fe65e1d9650aeebe6b75a571e9acc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fdf118c540f3bcbd7dfbfa845fe748a3c12f4c35
commit fdf118c540f3bcbd7dfbfa845fe748a3c12f4c35
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=918ee9c874872e7f4532485c979c33146dc1913b
commit 918ee9c874872e7f4532485c979c33146dc1913b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd7a5f55396db5fad8ef7b358a9ac4d3c276d7f2
commit dd7a5f55396db5fad8ef7b358a9ac4d3c276d7f2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82dfb042a03f847954f50e8e17dd9e977e4d7370
commit 82dfb042a03f847954f50e8e17dd9e977e4d7370
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=974bdbd6c89c098ae2d32b83e63e36217c8d5cdc
commit 974bdbd6c89c098ae2d32b83e63e36217c8d5cdc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a6f17f25b2872de039df0185d9c7b7ac6e9a9ac
commit 1a6f17f25b2872de039df0185d9c7b7ac6e9a9ac
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a064797b8338cbee62248cb137942c7ab9342245
commit a064797b8338cbee62248cb137942c7ab9342245
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b0bfc19265eb9f0dbb8ed290ddbacfd28efaae55
commit b0bfc19265eb9f0dbb8ed290ddbacfd28efaae55
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d20d7ca648adff2a143b3cc1788df9dba596ca7
commit 1d20d7ca648adff2a143b3cc1788df9dba596ca7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8405a342c0854e9f658b4e85959c7858105c956c
commit 8405a342c0854e9f658b4e85959c7858105c956c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc8dd6989dc2293e0c70db68d24f10d282929b82
commit fc8dd6989dc2293e0c70db68d24f10d282929b82
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=662b4d9e06bc0b4f473b870da0e1966c822ea12c
commit 662b4d9e06bc0b4f473b870da0e1966c822ea12c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=980dbf9dfbe390f027f569cde649e3dc55a000c4
commit 980dbf9dfbe390f027f569cde649e3dc55a000c4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f5fa44077ff3ea076f8b5d1cf514959a1b74f628
commit f5fa44077ff3ea076f8b5d1cf514959a1b74f628
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=691580b867b0f9215001301ff04b1241aafafaca
commit 691580b867b0f9215001301ff04b1241aafafaca
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3bd461fee486c85512d8a5c3dfa94d05df81e2c
commit b3bd461fee486c85512d8a5c3dfa94d05df81e2c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7c8da9764ac96e08cc45052590b415e6a3451aaa
commit 7c8da9764ac96e08cc45052590b415e6a3451aaa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
* include/time.h (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c (hp_timing_getres): Use
struct __timespec64.
* sysdeps/posix/clock_getres.c (realtime_getres): Likewise.
* sysdeps/posix/clock_getres.c (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES64.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES_CPU64.
* sysdeps/posix/clock_getres.c (__clock_getres):
Use __clock_getres_time64.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES32): Add.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES_CPU64): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 19 Sep 2018 08:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/y2038 has been created
at 892385e1177e0cc040bfb4090d3932fce8995c73 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=892385e1177e0cc040bfb4090d3932fce8995c73
commit 892385e1177e0cc040bfb4090d3932fce8995c73
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Sep 6 10:00:42 2017 +0200
Y2038: add _TIME_BITS support
This makes all previously defined Y2038-proof API types, functions and
implementations the default when _TIME_BITS==64 and __WORDSIZE==32 (so
that 64-bit architectures are unaffected).
Note: it is assumed that the API is consistent, i.e. for each API type
which is enabled here, all API functions which depend on this type are
enabled and mapped to Y2038-proof implementations.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b97af533506887e7b561b134d264d60ae6d43a52
commit b97af533506887e7b561b134d264d60ae6d43a52
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:50:21 2018 +0200
Y2038: add function __pmap_rmtcall64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=97f36a6c3c0b4c907463ee4aa079f50e0976d0c0
commit 97f36a6c3c0b4c907463ee4aa079f50e0976d0c0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:49:49 2018 +0200
Y2038: add function __clntudp_bufcreate64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10b095cd2faba727a17cc01998a95fd84c73869a
commit 10b095cd2faba727a17cc01998a95fd84c73869a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Apr 12 20:46:27 2018 +0200
Y2038: add function __clntudp_create64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4dd7b619e7ef21b21f846d9d088ed360cfe6f783
commit 4dd7b619e7ef21b21f846d9d088ed360cfe6f783
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 19:49:07 2017 +0200
Y2038: add function select64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=631aebbd5cc8f6048c406728a361ea84d8153b57
commit 631aebbd5cc8f6048c406728a361ea84d8153b57
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:16 2017 +0200
Y2038: add function pselect64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a71b85f6b17e39b53a338848497591d1fd0b59fd
commit a71b85f6b17e39b53a338848497591d1fd0b59fd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:15 2017 +0200
Y2038: add struct __timex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=746a8b125aa328ba5fbbeceef4cfe9d411566815
commit 746a8b125aa328ba5fbbeceef4cfe9d411566815
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:14 2017 +0200
Y2038: add function __ntp_gettimex64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a36eb3d5761c6a070c3446542e437cc8327f04e9
commit a36eb3d5761c6a070c3446542e437cc8327f04e9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:13 2017 +0200
Y2038: add function __ntp_gettime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f3d6cc6aeb2d1698ebda9a5b150699162db217a
commit 0f3d6cc6aeb2d1698ebda9a5b150699162db217a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:12 2017 +0200
Y2038: add struct __ntp_timeval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0bc6f9d6e130c456d49a38ff4be8204e90f348f5
commit 0bc6f9d6e130c456d49a38ff4be8204e90f348f5
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:11 2017 +0200
Y2038: add function __getrusage64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1e91f114fb758c84e1adfa2e79f504a517f8672f
commit 1e91f114fb758c84e1adfa2e79f504a517f8672f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:10 2017 +0200
Y2038: add functions using futexes
This creates 64-bit time versions of the following APIs:
- pthread_rwlock_timedrdlock
- pthread_rwlock_timedwrlock
- pthread_mutex_timedlock
- pthread_cond_timedwait
- sem_timedwait
- aio_suspend
It also creates 64-bit time versions of the following
functions or macros:
- lll_timedlock_elision
- lll_timedlock
- __lll_timedlock_wait
- futex_reltimed_wait_cancelable
- lll_futex_timed_wait
- __pthread_cond_wait_common
- futex_abstimed_wait_cancelable
- lll_futex_timed_wait_bitset
- do_aio_misc_wait
- AIO_MISC_WAIT
- __new_sem_wait_slow
- do_futex_wait
- __pthread_rwlock_wrlock_full
- __pthread_rwlock_rdlock_full
- futex_abstimed_wait
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=465152d59593482ccb6b777401e28d9ba0b1ef7a
commit 465152d59593482ccb6b777401e28d9ba0b1ef7a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:09 2017 +0200
Y2038: add function __setitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e34592239c14f1bd455352663f3dbf073cc7b9a
commit 3e34592239c14f1bd455352663f3dbf073cc7b9a
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:08 2017 +0200
Y2038: add function __getitimer64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e5912c658d04c28761768ccdfae60e97052dd5da
commit e5912c658d04c28761768ccdfae60e97052dd5da
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:07 2017 +0200
Y2038: add struct __itimerval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c73d0b44de288ecb4e2a48416ba3068472864dca
commit c73d0b44de288ecb4e2a48416ba3068472864dca
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:06 2017 +0200
Y2038: add function __utime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db17670a241efb92b3b035c578c3b157129ef490
commit db17670a241efb92b3b035c578c3b157129ef490
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:05 2017 +0200
Y2038: add function __adjtime64, __adjtimex64 and __ntp_adjtime64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69660bc2cd89b6cee7a9815b24765443f57f5510
commit 69660bc2cd89b6cee7a9815b24765443f57f5510
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:04 2017 +0200
Y2038: add function __nanosleep64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c38366c17d375e58099ee4bc3f70ddc2b86f30d6
commit c38366c17d375e58099ee4bc3f70ddc2b86f30d6
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:03 2017 +0200
Y2038: add function __sched_rr_get_interval64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f0572b029a5b2de5fd04e44a133707949446feee
commit f0572b029a5b2de5fd04e44a133707949446feee
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:02 2017 +0200
Y2038: add function __msgctl64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=25acac1c9af2b7a4d62c0a63ff58169f879ad8f3
commit 25acac1c9af2b7a4d62c0a63ff58169f879ad8f3
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:01 2017 +0200
Y2038: add function __mq_timedsend_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=711c2e684f13498defce4fe6a0814156cccce503
commit 711c2e684f13498defce4fe6a0814156cccce503
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:42:00 2017 +0200
Y2038: add function __mq_timedreceiv_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ac027d36f0593b2c3e0c5d595d3ce5868331898
commit 8ac027d36f0593b2c3e0c5d595d3ce5868331898
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:57 2017 +0200
Y2038: add function __utimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ccf4ca46cb559d77556e833f03273bba9889725
commit 8ccf4ca46cb559d77556e833f03273bba9889725
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:56 2017 +0200
Y2038: add function __stime64
This implementation uses __settimeofday64.
Therefore, on a system where current time-of-day is 32 bits, this
implementation will fail for dates beyond Y2038.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b18e3eaf831a4c4a6dc0daa35f36e9070b86ed1f
commit b18e3eaf831a4c4a6dc0daa35f36e9070b86ed1f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:55 2017 +0200
Y2038: add function __time64
This provides a generic Posix implementation based on calling
__gettimeofday64().
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d03b44538755f288325f054f8f16597d0d97c2f
commit 2d03b44538755f288325f054f8f16597d0d97c2f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:59 2017 +0200
Y2038: add function __settimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
file symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6529cb1d0d6dae97c60bee387cb370f634edd115
commit 6529cb1d0d6dae97c60bee387cb370f634edd115
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:58 2017 +0200
Y2038: add function __gettimeofday64
Implementing a 64-bit settimeofday requires adding a new
file to build under time/ and we cannot name that new file
'settimeofday.c' or it will break the 32-bit settimeofday
symbol, so we call it 'settimeofday64.c'.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d183cec4d33e953e2fb4dba443f3aec78bef475
commit 2d183cec4d33e953e2fb4dba443f3aec78bef475
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:54 2017 +0200
Y2038: add function __fstatat64_time64 (and __fxstatat_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91db3b59079fe65e1d9650aeebe6b75a571e9acc
commit 91db3b59079fe65e1d9650aeebe6b75a571e9acc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:53 2017 +0200
Y2038: add function __lstat64_time64 (and __lxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fdf118c540f3bcbd7dfbfa845fe748a3c12f4c35
commit fdf118c540f3bcbd7dfbfa845fe748a3c12f4c35
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:52 2017 +0200
Y2038: add function __stat64_time64 (and __xstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=918ee9c874872e7f4532485c979c33146dc1913b
commit 918ee9c874872e7f4532485c979c33146dc1913b
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:51 2017 +0200
Y2038: add function __fstat64_time64 (and __fxstat64_time64)
These implementations just use the existing syscalls and convert from
kernel 32-bit-time struct stat64 to GLIBC Y2038-ready struct __stat64_t64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd7a5f55396db5fad8ef7b358a9ac4d3c276d7f2
commit dd7a5f55396db5fad8ef7b358a9ac4d3c276d7f2
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:50 2017 +0200
Y2038: add struct __stat64_t64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82dfb042a03f847954f50e8e17dd9e977e4d7370
commit 82dfb042a03f847954f50e8e17dd9e977e4d7370
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:49 2017 +0200
Y2038: add function __timerfd_settime64
For Linux this uses the 32-bit time syscal, so it converts
syscall input from 64-bit time into 32-bit time and syscall
output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=974bdbd6c89c098ae2d32b83e63e36217c8d5cdc
commit 974bdbd6c89c098ae2d32b83e63e36217c8d5cdc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:48 2017 +0200
Y2038: add function __timerfd_gettime64
For Linux this uses the 32-bit time syscall so it converts the
syscall output from 32-bit time to 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a6f17f25b2872de039df0185d9c7b7ac6e9a9ac
commit 1a6f17f25b2872de039df0185d9c7b7ac6e9a9ac
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:47 2017 +0200
Y2038: add function __timer_settime64
For Linux this uses a 32-bit syscall, so it converts the syscall
input from 64-bit time into 32-bit time, and the syscall output
from 32-bit time into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a064797b8338cbee62248cb137942c7ab9342245
commit a064797b8338cbee62248cb137942c7ab9342245
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:46 2017 +0200
Y2038: add function __timer_gettime64
For Linux this uses the 32-bit time syscall, so it
converts the syscall output into 64-bit time.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b0bfc19265eb9f0dbb8ed290ddbacfd28efaae55
commit b0bfc19265eb9f0dbb8ed290ddbacfd28efaae55
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:45 2017 +0200
Y2038: add struct __itimerspec64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d20d7ca648adff2a143b3cc1788df9dba596ca7
commit 1d20d7ca648adff2a143b3cc1788df9dba596ca7
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:44 2017 +0200
Y2038: add function __lutimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8405a342c0854e9f658b4e85959c7858105c956c
commit 8405a342c0854e9f658b4e85959c7858105c956c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:43 2017 +0200
Y2038: add function __futimes64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc8dd6989dc2293e0c70db68d24f10d282929b82
commit fc8dd6989dc2293e0c70db68d24f10d282929b82
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:42 2017 +0200
Y2038: add struct __timeval64
Also, provide static inline functions and macros for checking
and converting between 32-bit and 64-bit timevals.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=662b4d9e06bc0b4f473b870da0e1966c822ea12c
commit 662b4d9e06bc0b4f473b870da0e1966c822ea12c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:41 2017 +0200
Y2038: add function __sigtimedwait_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=980dbf9dfbe390f027f569cde649e3dc55a000c4
commit 980dbf9dfbe390f027f569cde649e3dc55a000c4
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:39 2017 +0200
Y2038: add function __futimens64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f5fa44077ff3ea076f8b5d1cf514959a1b74f628
commit f5fa44077ff3ea076f8b5d1cf514959a1b74f628
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:40 2017 +0200
Y2038: add function __utimensat_time64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=691580b867b0f9215001301ff04b1241aafafaca
commit 691580b867b0f9215001301ff04b1241aafafaca
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:38 2017 +0200
Y2038: add function __timespec_get64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3bd461fee486c85512d8a5c3dfa94d05df81e2c
commit b3bd461fee486c85512d8a5c3dfa94d05df81e2c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:37 2017 +0200
Y2038: add function __clock_nanosleep64
Linux does not provide a 64-bit-time clock_nanosleep syscall,
so __clock_nanosleep64 is a wrapper calling __clock_nanosleep,
with one conversion before the call and possibly one after.
Note:
There is no point in implementing __clock_nanosleep64 directly
around the 32-bit-time syscall and making __clock_nanosleep a
wrapper around __clock_nanosleep64, because __clock_nanosleep64
would still need one or two conversions, and __clock_nanosleep
would now also need those, adding a cost of 2 to 4 conversions
in the worst case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7c8da9764ac96e08cc45052590b415e6a3451aaa
commit 7c8da9764ac96e08cc45052590b415e6a3451aaa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:36 2017 +0200
Y2038: add function __clock_getres_time64
* include/time.h (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c (hp_timing_getres): Use
struct __timespec64.
* sysdeps/posix/clock_getres.c (realtime_getres): Likewise.
* sysdeps/posix/clock_getres.c (__clock_getres_time64): Add.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES64.
* sysdeps/posix/clock_getres.c Use SYSDEP_GETRES_CPU64.
* sysdeps/posix/clock_getres.c (__clock_getres):
Use __clock_getres_time64.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES32): Add.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSCALL_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES64): Likewise.
* sysdeps/unix/sysv/linux/clock_getres.c (SYSDEP_GETRES_CPU64): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f380b5e890f0cc2adfb38301b91880b4716b504f
commit f380b5e890f0cc2adfb38301b91880b4716b504f
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:35 2017 +0200
Y2038: add function __clock_settime64
* include/time.h (__clock_settime64): Add.
* sysdeps/unix/clock_settime.c (__clock_settime64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_32): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (DO_CLOCK_SETTIME_64): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64_CPUTIME): Add.
* sysdeps/unix/sysv/linux/clock_settime.c (SYSDEP_SETTIME64): Add.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d460b6f1b4bda9a80454be24a82c31ee0116aadb
commit d460b6f1b4bda9a80454be24a82c31ee0116aadb
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Apr 8 11:15:24 2018 +0200
Y2038: add function __clock_gettime64
* include/time.h: Declare __clock_gettime64().
* ntpl/pthread_clock_gettime.c: Add __pthread_clock_gettime64().
* ntpl/pthread_clock_gettime.c: Make __pthread_clock_gettime()
a wrapper around __pthread_clock_gettime64().
* sysdeps/unix/clock_gettime.c (hp_timing_gettime): Use struct
__timespec64.
* sysdeps/unix/clock_gettime.c (realtime_gettime): Likewise.
* sysdeps/unix/clock_gettime.c: Add __clock_gettime64().
* sysdeps/unix/clock_gettime.c: Make __clock_gettime() a
wrapper around __clock_gettime64().
* sysdeps/unix/sysv/linux/clock_gettime.c: Add 64-bit-time syscall
support.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
commit 158c8a3dbcae1ca80bdb708bb0bf8d1145d1b4aa
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Fri Sep 8 00:41:33 2017 +0200
Y2038: add struct __timespec64
* include/bits/types/struct_timespec64.h:
Include time/bits/types/struct_timespec64.h
* include/time.h (valid_timeval_to_timespec64): Add.
* include/time.h (valid_timespec_to_timespec64): Likewise.
* include/time.h (valid_timespec64_to_timespec): Likewise.
* include/time.h (valid_timespec64_to_timeval): Likewise.
* include/time.h (IS_VALID_NANOSECONDS): Likewise.
* include/time.h (timespec_to_timespec64): Likewise.
* include/time.h (timespec64_to_timespec): Likewise.
* include/time.h (timespec64_to_timeval): Likewise.
* io/fcntl.h: Include bits/types/struct_timespec64.h.
* io/sys/poll.h: Likewise.
* io/sys/stat.h: Likewise.
* misc/sys/select.h: Likewise.
* posix/sched.h: Likewise.
* posix/netdb.h: Likewise.
* rt/aio.h: Likewise.
* rt/mqueue.h: Likewise.
* signal/signal.h: Likewise.
* sysdeps/nptl/pthread.h: Likewise.
* sysdeps/pthread/semaphore.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
* sysvipc/sys/sem.h: Likewise.
* time/Makefile: Add bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec.h:
Include bits/types/struct_timespec64.h
* time/bits/types/struct_itimerspec64.h: Add.
* time/time.h: Include bits/types/struct_timespec64.h
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33098a3d802138bc117ecc76d7e8920550d4f7fe
commit 33098a3d802138bc117ecc76d7e8920550d4f7fe
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Sun Jun 10 10:47:12 2018 +0200
Y2038: provide kernel support indication
* New function __y2038_get_kernel_support() returns:
* 0 if the underlying kernel does not support Y2038 at all
* > 0 if the underlying kernel has some support for Y2038
* < 0 if the underlying kernel support for Y2038 is broken
* New function __y2038_set_kernel_support() allows indicating
a kernel's Y2038 support (or support failure)
* Default implementation (covering non-Linux kernels) always
returns 0 (no support).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
commit f03fd63f9b4dca5b9c70cc2518e3eeaa20529ec0
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Mar 29 11:57:53 2017 +0200
Y2038: add function __difftime64
* __difftime: provide a 64-bit-time version (but do not assume
__time64_t is a signed int so that Gnulib can reuse the code)
and make the 32-bit version a wrapper of it.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=680ed897cdb1095aa035f30e08467f77ea1d3594
commit 680ed897cdb1095aa035f30e08467f77ea1d3594
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Aug 31 23:45:31 2018 -0700
Add support for __time64_t to mktime, timegm
* include/time.h, time/mktime.c, time/timegm.c:
Change externally-visible names to their __xxx64yyy version.
* include/time.h (fits_in_time_t): New static function.
* time/mktime.c (mktime) [_LIBC]: New wrapper function.
* time/timegm.c (timegm) [_LIBC]: New wrapper function.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32bc55ef9a4cff8c7a8c0825421fd332d570b198
commit 32bc55ef9a4cff8c7a8c0825421fd332d570b198
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1575bcfed3b040afb0284b4c4254e0f506da4746
commit 1575bcfed3b040afb0284b4c4254e0f506da4746
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
* Add macro __TIMESIZE equal to the bit size of time_t.
It equals the architecture __WORDSIZE except for x32
where it equals 64.
* Add type __time64_t which is always 64-bit. On 64-bit
architectures and on x32, it is #defined as time_t.
On other architectures, it has its own definition.
* Replace all occurrences of internal_time_t with
__time64_t.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63aaf075fff33777b3e3013a5bd90d140f073a8b
commit 63aaf075fff33777b3e3013a5bd90d140f073a8b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=519466d3616c5af128997c96d02c112b8b47b16b
commit 519466d3616c5af128997c96d02c112b8b47b16b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23679] Segmentation fault in gethostid.c
Date: Wed, 19 Sep 2018 11:35:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #4)
> You just need to set the hostname to something unresolvable.
I think it depends on how the NSS module reports this error condition. I've
been trying to reproduce it with nss_files, but that hasn't been successful so
far.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23679] Segmentation fault in gethostid.c
Date: Wed, 19 Sep 2018 12:18:00 -0000
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Having an empty /etc/hosts file is sufficient, so I have a test.
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Wed, 19 Sep 2018 12:19:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #8 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Note for future commits that if you use Bugzilla with an @gcc.gnu.org address
it should give sufficient rights to mark a bug fixed and set the target
milestone to the first mainline release in which it was fixed; this should
generally be done by the committer.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23680] Feature Request: Add functions to convert between UID and group name
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--- Comment #2 from Dylan Stephano-Shachter <dstephanoshachter at gmail dot com> ---
Does getgrent not still fetch all group members? This seems like it would take
just as long as getgrgid. I may not be understanding the function correctly.
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Subject: [Bug libc/23680] Feature Request: Add functions to convert between UID and group name
Date: Wed, 19 Sep 2018 15:19:00 -0000
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Dylan Stephano-Shachter <dstephanoshachter at gmail dot com> changed:
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>From glibc-bugs-return-43264-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 15:26:42 2018
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Subject: [Bug libc/23680] Feature Request: Add functions to convert between UID and group name
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--- Comment #3 from Dylan Stephano-Shachter <dstephanoshachter at gmail dot com> ---
To make things a bit more clear, the functions would look like this
char* get_name_of_group(gid_t gid);
git_t get_gid_of_group(char* group_name);
The important thing here is that they do not return a group struct.
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>From glibc-bugs-return-43266-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 15:32:45 2018
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Subject: [Bug libc/23680] Feature Request: Add functions to convert between GID and group name
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What |Removed |Added
----------------------------------------------------------------------------
Summary|Feature Request: Add |Feature Request: Add
|functions to convert |functions to convert
|between UID and group name |between GID and group name
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>From glibc-bugs-return-43265-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 15:32:23 2018
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Subject: [Bug libc/23680] Feature Request: Add functions to convert between UID and group name
Date: Wed, 19 Sep 2018 15:32:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Dylan Stephano-Shachter from comment #2)
> Does getgrent not still fetch all group members? This seems like it would
> take just as long as getgrgid. I may not be understanding the function
> correctly.
Yes, you are right, I thought there was a way to prevent that, but it doesn't
seem there is any way to distinguish just the iteration from filling in the
group list.
In general the steps that would be needed here are:
* Explain the use case clearly for this need.
* Gather existing examples from other operating systems to show it has utility.
* Define a new API for applications to use, avoiding the mistakes of other
similar OS interfaces and learning from previous attempts.
* Extend the NSS interfaces and define the API again at the NSS level (this
allows the backends to provide the data you need).
* Start patching all NSS service providers to try to fill in just the
information that is required to implement the interface. Some service provides
themselves may not have APIs that do this, and so you may face an iterative
problem plumbing gid<->[group name] conversion without group membership.
You might only implement this at first for the <files> NSS provider, and leave
it up to others to implement for their own providers, falling back to
setent/getent/endent if they don't provide the new interface.
Not to scare you, but this could take a senior project developer years to
finish.
I think it would be an acceptable change, but it's a lot of work.
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>From glibc-bugs-return-43267-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 15:33:06 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23640] no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
Date: Wed, 19 Sep 2018 15:33:00 -0000
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| |rg
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I think the rationale to have a posix_spawn operation to reset O_CLOEXEC is
reasonable, but I am not very found of having dup2 and
posix_spawn_file_actions_adddup2 with subtle different semantics: this usually
lead to wrong assumptions, since posix_spawn file actions are in fact modeled
based on POSIX counterparts.
I am not sure which would be the best extension to add though (maybe
posix_spawn_file_actions_fcntl?).
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>From glibc-bugs-return-43268-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 15:52:44 2018
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Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2
commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
string/strcasestr.c | 5 +++--
string/strstr.c | 5 +++--
string/test-strstr.c | 30 ++++++++++++++++++++++++++++++
4 files changed, 44 insertions(+), 4 deletions(-)
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>From glibc-bugs-return-43269-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 16:37:56 2018
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Subject: [Bug libc/23640] no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
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| |rg
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>From glibc-bugs-return-43270-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 16:40:44 2018
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Subject: [Bug libc/23680] Feature Request: Add functions to convert between GID and group name
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--- Comment #5 from Dylan Stephano-Shachter <dstephanoshachter at gmail dot com> ---
Unfortunately I don't think I could justify that much work for this particular
issue.
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Wed, 19 Sep 2018 16:46:00 -0000
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--- Comment #6 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If the commit fixes the bug, please mark it as RESOLVED / FIXED with
target milestone set to 2.29. (If committing a fix relevant to a bug but
not completely fixing it, please try to say in the commit message that
it's not a complete fix, so it's obvious to people reading glibc-bugs
whether a bug is deliberately or accidentally not marked as fixed.)
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>From glibc-bugs-return-43272-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 16:53:08 2018
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From: "eblake at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23640] no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
Date: Wed, 19 Sep 2018 16:53:00 -0000
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--- Comment #3 from Eric Blake <eblake at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #2)
> I think the rationale to have a posix_spawn operation to reset O_CLOEXEC is
> reasonable, but I am not very found of having dup2 and
> posix_spawn_file_actions_adddup2 with subtle different semantics: this
> usually lead to wrong assumptions, since posix_spawn file actions are in
> fact modeled based on POSIX counterparts.
>
> I am not sure which would be the best extension to add though (maybe
> posix_spawn_file_actions_fcntl?).
Adding posix_spawn_file_actions_addfcntl seems like a lot of complexity. In
particular, the fact that you have to read-modify-write in order to properly
use fcntl() makes it rather verbose to have to add multiple fcntl actions to
file_actions, compared to having a single call just give the semantics you
want. Another drawback of adding an _addfcntl is deciding what things it
supports, as well as documenting the vast majority of things it specifically
does not support (updating file locking, for example, seems like a huge growth
in scope and unlikely to ever be natively part of a spawn() syscall, but having
a spawn syscall that can clear FD_CLOEXEC on fds specifically requested for use
in the child does not seem difficult).
A posix_spawn_file_actions_adddup3() doesn't make much sense either - the
normal dup3() is specifically documented to require failure on dup3(fd, fd,
flags) (unlike dup2(fd, fd) which must be a no-op).
You could go with an even more simplistic approach, and add
posix_spawn_file_actions_addnocloexec(&act, fd) (instead of _adddup2(&act, fd,
fd)), where the different function name has no direct bare counterpart, but
makes it immediately obvious that its goal is to remove FD_CLOEXEC flags on fds
that must remain cloexec in the parent, but must be inherited by the child.
Of course, if glibc actually implements something different than the current
POSIX proposal, it's not too late to use that as feedback to update the POSIX
proposal to match existing practice (after all, the proposal is still just
that, and hasn't actually been incorporated into a released version of POSIX
yet). I'm just pointing out that when this proposal was first vetted by the
Austin Group (several years ago now), no one had any better ideas for an easy
way to clear FD_CLOEXEC, besides making _adddup2() have a documented slightly
different behavior from normal dup2().
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>From glibc-bugs-return-43273-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 17:03:21 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23640] no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
Date: Wed, 19 Sep 2018 17:03:00 -0000
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--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Eric Blake from comment #3)
> (In reply to Adhemerval Zanella from comment #2)
> > I think the rationale to have a posix_spawn operation to reset O_CLOEXEC is
> > reasonable, but I am not very found of having dup2 and
> > posix_spawn_file_actions_adddup2 with subtle different semantics: this
> > usually lead to wrong assumptions, since posix_spawn file actions are in
> > fact modeled based on POSIX counterparts.
> >
> > I am not sure which would be the best extension to add though (maybe
> > posix_spawn_file_actions_fcntl?).
>
> Adding posix_spawn_file_actions_addfcntl seems like a lot of complexity. In
> particular, the fact that you have to read-modify-write in order to properly
> use fcntl() makes it rather verbose to have to add multiple fcntl actions to
> file_actions, compared to having a single call just give the semantics you
> want. Another drawback of adding an _addfcntl is deciding what things it
> supports, as well as documenting the vast majority of things it specifically
> does not support (updating file locking, for example, seems like a huge
> growth in scope and unlikely to ever be natively part of a spawn() syscall,
> but having a spawn syscall that can clear FD_CLOEXEC on fds specifically
> requested for use in the child does not seem difficult).
I agree addfcntl would add a lot of complexity and we would need to add
extensive documentation it is only intended to provide a subset of default
fcntl operations (which I also think it is not a good idea).
>
> A posix_spawn_file_actions_adddup3() doesn't make much sense either - the
> normal dup3() is specifically documented to require failure on dup3(fd, fd,
> flags) (unlike dup2(fd, fd) which must be a no-op).
Agreed.
>
> You could go with an even more simplistic approach, and add
> posix_spawn_file_actions_addnocloexec(&act, fd) (instead of _adddup2(&act,
> fd, fd)), where the different function name has no direct bare counterpart,
> but makes it immediately obvious that its goal is to remove FD_CLOEXEC flags
> on fds that must remain cloexec in the parent, but must be inherited by the
> child.
>
> Of course, if glibc actually implements something different than the current
> POSIX proposal, it's not too late to use that as feedback to update the
> POSIX proposal to match existing practice (after all, the proposal is still
> just that, and hasn't actually been incorporated into a released version of
> POSIX yet). I'm just pointing out that when this proposal was first vetted
> by the Austin Group (several years ago now), no one had any better ideas for
> an easy way to clear FD_CLOEXEC, besides making _adddup2() have a documented
> slightly different behavior from normal dup2().
It looks like some libcs (musl for instance) are already pushing this proposal
as expected behavior and I would like to avoid either adding a non-portable
extension or deviating from POSIX.
I will work on adding this support on GLIBC, thanks to bring this up.
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>From glibc-bugs-return-43274-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 17:11:09 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Wed, 19 Sep 2018 17:11:00 -0000
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--- Comment #9 from eggert at cs dot ucla.edu ---
(In reply to Joseph Myers from comment #8)
> Note for future commits that if you use Bugzilla with an @gcc.gnu.org
> address it should give sufficient rights to mark a bug fixed and set the
> target milestone to the first mainline release in which it was fixed; this
> should generally be done by the committer.
Thanks, first I've heard that. I don't have a @gcc.gnu.org email address; how
do I get one? I visited https://gcc.gnu.org to try to find out, but couldn't
find anything. Also, should I start making all my glibc contributions from a
gcc.gnu.org email address, or is it OK to use it only for bugzilla maintenance
that is off-limits to ordinary users?
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>From glibc-bugs-return-43275-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 17:16:20 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Wed, 19 Sep 2018 17:16:00 -0000
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to eggert from comment #9)
> (In reply to Joseph Myers from comment #8)
> > Note for future commits that if you use Bugzilla with an @gcc.gnu.org
> > address it should give sufficient rights to mark a bug fixed and set the
> > target milestone to the first mainline release in which it was fixed; this
> > should generally be done by the committer.
>
> Thanks, first I've heard that. I don't have a @gcc.gnu.org email address;
> how do I get one? I visited https://gcc.gnu.org to try to find out, but
> couldn't find anything. Also, should I start making all my glibc
> contributions from a gcc.gnu.org email address, or is it OK to use it only
> for bugzilla maintenance that is off-limits to ordinary users?
We can also grant the necessary privileges to your eggert@cs.ucla.edu account
if that works for you.
--- Comment #11 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Wed, 19 Sep 2018, eggert at cs dot ucla.edu wrote:
> Thanks, first I've heard that. I don't have a @gcc.gnu.org email address; how
> do I get one? I visited https://gcc.gnu.org to try to find out, but couldn't
> find anything. Also, should I start making all my glibc contributions from a
> gcc.gnu.org email address, or is it OK to use it only for bugzilla maintenance
> that is off-limits to ordinary users?
If you have commit access to any project on sourceware / gcc.gnu.org you
automatically have an email address there. See
https://sourceware.org/sourceware/accountinfo.html
for how to update where that forwards to. It's only necessary to use it
to get editbugs access for Bugzilla, not for any other contributions.
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>From glibc-bugs-return-43276-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 17:16:22 2018
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Wed, 19 Sep 2018 17:16:00 -0000
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to eggert from comment #9)
> (In reply to Joseph Myers from comment #8)
> > Note for future commits that if you use Bugzilla with an @gcc.gnu.org
> > address it should give sufficient rights to mark a bug fixed and set the
> > target milestone to the first mainline release in which it was fixed; this
> > should generally be done by the committer.
>
> Thanks, first I've heard that. I don't have a @gcc.gnu.org email address;
> how do I get one? I visited https://gcc.gnu.org to try to find out, but
> couldn't find anything. Also, should I start making all my glibc
> contributions from a gcc.gnu.org email address, or is it OK to use it only
> for bugzilla maintenance that is off-limits to ordinary users?
We can also grant the necessary privileges to your eggert@cs.ucla.edu account
if that works for you.
--- Comment #11 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Wed, 19 Sep 2018, eggert at cs dot ucla.edu wrote:
> Thanks, first I've heard that. I don't have a @gcc.gnu.org email address; how
> do I get one? I visited https://gcc.gnu.org to try to find out, but couldn't
> find anything. Also, should I start making all my glibc contributions from a
> gcc.gnu.org email address, or is it OK to use it only for bugzilla maintenance
> that is off-limits to ordinary users?
If you have commit access to any project on sourceware / gcc.gnu.org you
automatically have an email address there. See
https://sourceware.org/sourceware/accountinfo.html
for how to update where that forwards to. It's only necessary to use it
to get editbugs access for Bugzilla, not for any other contributions.
--
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>From glibc-bugs-return-43277-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 18:23:07 2018
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Subject: [Bug dynamic-link/23678] dlvsym() doesn't find default version of symbol
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>From glibc-bugs-return-43278-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 18:23:17 2018
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Subject: [Bug dynamic-link/23668] [PATCH] Default to the new format for ld.so.cache
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>From glibc-bugs-return-43279-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 18:25:58 2018
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>From glibc-bugs-return-43280-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 18:55:36 2018
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Subject: [Bug libc/23640] no way to easily clear FD_CLOEXEC in posix_spawn_file_actions_adddup2()
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>From glibc-bugs-return-43281-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 18:56:06 2018
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>From glibc-bugs-return-43282-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 19:53:25 2018
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From: "christoph.niethammer at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23689] New: Bug in documentation for rusage.ru_ixrss in bits/types/struct_rusage.h
Date: Wed, 19 Sep 2018 19:53:00 -0000
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Bug ID: 23689
Summary: Bug in documentation for rusage.ru_ixrss in
bits/types/struct_rusage.h
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: minor
Priority: P2
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Looking into bits/types/struct_rusage.h the documentation for rusage.ru_ixrss
has an additional line that seems to a copy of the documentation for
rusage.maxrss.
Looks like follows:
/* Amount of sharing of text segment memory
with other processes (kilobyte-seconds). */
/* Maximum resident set size (in kilobytes). */
__extension__ union
{
long int ru_ixrss;
__syscall_slong_t __ru_ixrss_word;
};
I'd expect the documentation to be clear about the meaning of rusage.ixrss.
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>From glibc-bugs-return-43283-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 20:21:36 2018
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Subject: [Bug dynamic-link/23678] dlvsym() doesn't find default version of symbol
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>From glibc-bugs-return-43284-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 21:36:47 2018
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From: "tuliom at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23690] New: Segfault in _dl_profile_fixup with a high number of threads
Date: Wed, 19 Sep 2018 21:36:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23690
Bug ID: 23690
Summary: Segfault in _dl_profile_fixup with a high number of
threads
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: tuliom at linux dot ibm.com
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Created attachment 11264
--> https://sourceware.org/bugzilla/attachment.cgi?id=11264&action=edit
Reproducer for the issue
Steps to Reproduce:
tar -xvf audit_race.tar
make
let i=0
while [ $i -lt 10000 ]
do
let i=$i+1
LD_AUDIT=`pwd`/libaudit.so ./test 70
done
I can reproduce it with hundreds of iterations on powerpc64le using 70 threads.
There is a data-dependency order in _dl_profile_fixup when accessing
reloc_result->addr.
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>From glibc-bugs-return-43285-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 21:37:20 2018
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Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
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>From glibc-bugs-return-43286-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 21:45:57 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23682] Inline assembly bugs wrt arrays being passed through register constraints in io.h
Date: Wed, 19 Sep 2018 21:45:00 -0000
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Michael Petch <mpetch@capp-sysware.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Inline assembly bugs wrt to |Inline assembly bugs wrt
|arrays being passed through |arrays being passed through
|register constraints in |register constraints in
|io.h |io.h
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>From glibc-bugs-return-43287-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 21:51:34 2018
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From: "tuliom at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
Date: Wed, 19 Sep 2018 21:51:00 -0000
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--- Comment #1 from Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> ---
Patch sent to libc-alpha:
https://sourceware.org/ml/libc-alpha/2018-09/msg00339.html
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>From glibc-bugs-return-43288-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 22:04:11 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Wed, 19 Sep 2018 22:04:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to joseph@codesourcery.com from comment #6)
> If the commit fixes the bug, please mark it as RESOLVED / FIXED with
> target milestone set to 2.29. (If committing a fix relevant to a bug but
> not completely fixing it, please try to say in the commit message that
> it's not a complete fix, so it's obvious to people reading glibc-bugs
> whether a bug is deliberately or accidentally not marked as fixed.)
It has been fixed upstream, I am marking this as done with milestone to 2.29.
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>From glibc-bugs-return-43289-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 22:21:03 2018
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From: "alexhenrie24 at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/14362] Incorrect ioctl declaration
Date: Wed, 19 Sep 2018 22:21:00 -0000
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Alex Henrie <alexhenrie24 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexhenrie24 at gmail dot com
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>From glibc-bugs-return-43290-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 23:25:14 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Wed, 19 Sep 2018 23:25:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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CC| |jsm28 at gcc dot gnu.org
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Joseph Myers might have some background about why this is the case in glibc.
Traditionally we pass arguments to configure directly on the configure command
line e.g. ../../src/glibc/configure --prefix=/usr ... CC='whatever'
CXX='whatever' AR='whatever' AS='whatever' LD='whatever' NM='whatever'
OBJCOPY='whatever' OBJDUMP='whatever' RANLIB='whatever' READELF='whatever'
STRIP='whatever' ...
It might be that we ignore environment variables as a conscious choice because
they are often incorrectly set for building a core system library like glibc.
The library cannot be built with the usual set of options a program would be
built with, and so we require you to consciously do something like:
../../src/glibc/configure ... CC="$(CC)" CXX="$(CXX)" ... to use the
environment variables you want for the build.
I haven't thought very deeply about this problem, or your particular problem
also. Joseph might have more insight here. Adding Joseph to the CC.
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>From glibc-bugs-return-43291-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 19 23:26:54 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Wed, 19 Sep 2018 23:26:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
The result of this bug might be that we document clearly in configure.ac why we
don't do as is expected by traditional developers.
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Wed, 19 Sep 2018 23:50:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Do the settings in aclocal.m4 override variables set on the configure
command line, or only those in the environment?
In my view, settings in the environment and those on the command line
should be equivalent - the difference being that those in the environment
can't reliably be saved by configure for cases where it gets rerun
automatically, and hence putting settings on the command line is preferred
over putting them in the environment. Since the way configure handles
settings on the command line is to save them and export them, I'd expect
aclocal.m4 to be overriding both.
In my view, explicit settings either on the command line or in the
environment should override defaults, *for tools that the build system
uses explicitly in the build*.
Normally, both $target-$tool and `$CC -print-prog-name=$tool` should be
the same thing for any binutils $tool (in two different locations, one in
$exec_prefix/bin and one in $exec_prefix/$target/bin).
Directly running tools in $exec_prefix/$target/bin by hand can be a bad
idea; they are for internal use by the compiler and may not search in the
correct directories unless certain environment variables are set that only
the compiler driver sets. This is especially the case for the copies of
gcc and g++ in that directory - they won't work correctly when called
directly - as most binutils programs don't have search paths like that,
and ld has logic to find its linker scripts whichever one of those
directories it is called from.
On the whole I'd say that looking for the $target-prefixed tools in PATH
is safer *for the tools that are actually used in the build* than asking
the compiler what tools it uses.
*However*, the code determining AS and LD values is *not* determining
tools that will then be used from the glibc makefiles. It's only
determining tools that will be used by the configure tests to see if
binutils is recent enough (and a few other configure tests using --help,
--version and similar on those tools). And for that, it probably *is*
best to check only the tools actually used by the compiler, ignoring any
other settings passed to configure.
So: for $AS and $LD (which are *not* passed to AC_SUBST, only used in
configure tests) I think the existing code, overriding any settings from
the command line, is correct. For other binutils tools, which are passed
to AC_SUBST so that the resulting values get used in the build, I think
using AC_CHECK_TOOL makes sense.
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Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
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--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e1080e7e5f3e62ef737bb3ee5babd7ad66bedfd7
commit e1080e7e5f3e62ef737bb3ee5babd7ad66bedfd7
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e6fd2bdb21efe2cc1ae7571ff8fb2599db6a05a
commit 8e6fd2bdb21efe2cc1ae7571ff8fb2599db6a05a
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 80 +++++++
include/intprops.h | 455 ++++++++++++++++++++++++++++++++++++++++
include/time.h | 4 +-
include/verify.h | 2 +
time/mktime-internal.h | 2 +
time/mktime.c | 545 ++++++++++++++++++++++--------------------------
time/timegm.c | 23 +--
7 files changed, 793 insertions(+), 318 deletions(-)
create mode 100644 include/intprops.h
create mode 100644 include/verify.h
create mode 100644 time/mktime-internal.h
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>From glibc-bugs-return-43293-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 20 00:09:54 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Thu, 20 Sep 2018 00:09:00 -0000
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--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e1080e7e5f3e62ef737bb3ee5babd7ad66bedfd7
commit e1080e7e5f3e62ef737bb3ee5babd7ad66bedfd7
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e6fd2bdb21efe2cc1ae7571ff8fb2599db6a05a
commit 8e6fd2bdb21efe2cc1ae7571ff8fb2599db6a05a
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 80 +++++++
include/intprops.h | 455 ++++++++++++++++++++++++++++++++++++++++
include/time.h | 4 +-
include/verify.h | 2 +
time/mktime-internal.h | 2 +
time/mktime.c | 545 ++++++++++++++++++++++--------------------------
time/timegm.c | 23 +--
7 files changed, 793 insertions(+), 318 deletions(-)
create mode 100644 include/intprops.h
create mode 100644 include/verify.h
create mode 100644 time/mktime-internal.h
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>From glibc-bugs-return-43295-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 20 00:18:26 2018
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From: "John.Ericson at Obsidian dot Systems" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Thu, 20 Sep 2018 00:18:00 -0000
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--- Comment #4 from John Ericson <John.Ericson at Obsidian dot Systems> ---
Perfect, I agree with all that Joseph said. My specific issue arose when there
was no `ar` in the cross tools directory, and then normal `ar` the fallback was
no good (the build platform was macOS). This will fix that and similar bugs.
And even the most rudimentary bootstrap compiler needs an assembler and linker,
so the remainder is without risk.
I'll prepare a patch later tonight according to that plan. I'll also do 2.27
and 2.28 backports if that's OK so my distro can fetch an upstream commit as a
patch (the ideal)).
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>From glibc-bugs-return-43296-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 20 00:21:15 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Thu, 20 Sep 2018 00:21:00 -0000
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--- Comment #12 from eggert at cs dot ucla.edu ---
(In reply to cvs-commit@gcc.gnu.org from comment #11)
I installed the patch in glibc master and the bug can now be marked as fixed in
2.29.
As mentioned in Bug#21716 Comment 11, I should be able to mark the bug as fixed
with my eggert@gcc.gnu.org account; unfortunately, although that account does
exist and email to it gets forwarded to me, Bugzilla's password-reset feature
does not seem to send me email. Perhaps it'd be simpler to give the bits to the
eggert@cs.ucla.edu account.
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>From glibc-bugs-return-43297-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 20 00:23:48 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Thu, 20 Sep 2018 00:23:00 -0000
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #14 from eggert at cs dot ucla.edu ---
(In reply to cvs-commit@gcc.gnu.org from comment #13)
I installed the patch in glibc master and am marking the bug as fixed.
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>From glibc-bugs-return-43298-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 20 00:50:27 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23680] Feature Request: Add functions to convert between GID and group name
Date: Thu, 20 Sep 2018 00:50:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |SUSPENDED
Last reconfirmed| |2018-09-20
Ever confirmed|0 |1
--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
Dylan, Thanks for the input. I'm going to mark this bug SUSPENDED because of
the amount of work to fix it. However, others should be able to find it and
reopen it if they want to help deliver a solution.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23682] Inline assembly bugs wrt arrays being passed through register constraints in io.h
Date: Thu, 20 Sep 2018 02:05:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Your analysis looks reasonable. Would you mind posting a patch to
libc-alpha@sourceware.org for review?
Please see:
https://sourceware.org/glibc/wiki/Contribution%20checklist
If your change is small enough you won't need an FSF copyright assignment right
away.
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #12 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #10)
> (In reply to eggert from comment #9)
> > (In reply to Joseph Myers from comment #8)
> > > Note for future commits that if you use Bugzilla with an @gcc.gnu.org
> > > address it should give sufficient rights to mark a bug fixed and set the
> > > target milestone to the first mainline release in which it was fixed; this
> > > should generally be done by the committer.
> >
> > Thanks, first I've heard that. I don't have a @gcc.gnu.org email address;
> > how do I get one? I visited https://gcc.gnu.org to try to find out, but
> > couldn't find anything. Also, should I start making all my glibc
> > contributions from a gcc.gnu.org email address, or is it OK to use it only
> > for bugzilla maintenance that is off-limits to ordinary users?
>
> We can also grant the necessary privileges to your eggert@cs.ucla.edu
> account if that works for you.
I just went ahead and did that. Paul, your account should be able to edit bugs
now, and as a member of the community you can grant that to someone else you
trust.
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From: "mpetch@capp-sysware.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23682] Inline assembly bugs wrt arrays being passed through register constraints in io.h
Date: Thu, 20 Sep 2018 02:33:00 -0000
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--- Comment #2 from Michael Petch <mpetch@capp-sysware.com> ---
(In reply to Carlos O'Donell from comment #1)
> Your analysis looks reasonable. Would you mind posting a patch to
> libc-alpha@sourceware.org for review?
>
I can yes. I read through the link to patch submission you provided. I'll do so
in the next 24 hours or so. Thanks
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Subject: [Bug libc/23682] Inline assembly bugs wrt arrays being passed through register constraints in io.h
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--- Comment #3 from Michael Petch <mpetch@capp-sysware.com> ---
Also discovered this issue applies to glibc/sysdeps/mach/hurd/i386/sys/io.h
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Subject: [Bug string/19391] strnlen invokes UB by adding maxlen to str
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
Flags| |security-
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
POSIX says this:
“
The strnlen() function shall compute the smaller of the number of bytes in the
array to which s points, not including any terminating NUL character, or the
value of the maxlen argument. The strnlen() function shall never examine more
than maxlen bytes of the array pointed to by s.
â€
Array implies an object of the specified size, so there is no bug. This makes
strnlen (s, -1) *not* equivalent to strlen (s), but undefined.
(C11 only contains strnlen_s and is less specific than POSIX about it.)
So I don't think there is a bug here. The user must meet the precondition of
the function.
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Subject: [Bug libc/23679] Segmentation fault in gethostid.c
Date: Thu, 20 Sep 2018 09:17:00 -0000
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--- Comment #8 from Mingli <mingli.yu at windriver dot com> ---
On 2018年09月19日 19:35, fweimer at redhat dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23679
>
> --- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
> (In reply to Andreas Schwab from comment #4)
>> You just need to set the hostname to something unresolvable.
>
> I think it depends on how the NSS module reports this error condition. I've
> been trying to reproduce it with nss_files, but that hasn't been successful so
> far.
What does /etc/nsswitch.conf look like? In my env, I can reproduce it
100% and attach the nsswitch.conf for your reference.
Thanks,
Mingli
>
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Subject: [Bug libc/23679] Segmentation fault in gethostid.c
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Mingli from comment #8)
> Created attachment 11266 [details]
> nsswitch.conf
>
> On 2018年09月19日 19:35, fweimer at redhat dot com wrote:
> > https://sourceware.org/bugzilla/show_bug.cgi?id=23679
> >
> > --- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
> > (In reply to Andreas Schwab from comment #4)
> >> You just need to set the hostname to something unresolvable.
> >
> > I think it depends on how the NSS module reports this error condition. I've
> > been trying to reproduce it with nss_files, but that hasn't been successful so
> > far.
>
> What does /etc/nsswitch.conf look like? In my env, I can reproduce it
> 100% and attach the nsswitch.conf for your reference.
The test I posted uses the equivalent of:
hosts: files
<https://sourceware.org/ml/libc-alpha/2018-09/msg00336.html>
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Subject: [Bug libc/23679] gethostid: Missing NULL check for gethostbyname_r result
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Segmentation fault in |gethostid: Missing NULL
|gethostid.c |check for gethostbyname_r
| |result
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Subject: [Bug libc/23679] gethostid: Missing NULL check for gethostbyname_r result
Date: Thu, 20 Sep 2018 10:37:00 -0000
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--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c
commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1214ba06e6771acb953a190091b0f6055c64fd25
commit 1214ba06e6771acb953a190091b0f6055c64fd25
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:02:48 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 ++++
misc/Makefile | 7 ++
misc/tst-gethostid.c | 108 +++++++++++++++++++++++++++++++++++
sysdeps/unix/sysv/linux/gethostid.c | 4 +-
4 files changed, 128 insertions(+), 2 deletions(-)
create mode 100644 misc/tst-gethostid.c
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Subject: [Bug libc/23679] gethostid: Missing NULL check for gethostbyname_r result
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29.
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Subject: [Bug libc/23679] gethostid: Missing NULL check for gethostbyname_r result
Date: Thu, 20 Sep 2018 10:58:00 -0000
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commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 ++++
NEWS | 1 +
misc/Makefile | 7 ++
misc/tst-gethostid.c | 108 +++++++++++++++++++++++++++++++++++
sysdeps/unix/sysv/linux/gethostid.c | 4 +-
5 files changed, 129 insertions(+), 2 deletions(-)
create mode 100644 misc/tst-gethostid.c
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| |@free.fr
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Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
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--- Comment #15 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Please note that when marking a bug as FIXED you also need to set the
target milestone to the first mainline release with the fix (so 2.29 at
present). This is required for list-fixed-bugs.py to generate the list of
fixed bugs for the NEWS file at release time. Now you have editbugs
access you should be able to set milestones.
https://sourceware.org/glibc/wiki/Committer%20checklist
https://sourceware.org/glibc/wiki/Bugzilla%20Procedures
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Thu, 20 Sep 2018 17:27:00 -0000
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #16 from eggert at cs dot ucla.edu ---
(In reply to joseph@codesourcery.com from comment #15)
Thanks for reminding me; when I marked the bug as FIXED I didn't have the bits
to set the target milestone, so I'm doing that now.
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Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
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eggert at cs dot ucla.edu changed:
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Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #13 from eggert at cs dot ucla.edu ---
(In reply to eggert from comment #12)
Thanks for the bits; I'm marking this bug as fixed with target milestone 2.29.
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/13091] MALLOC_PERTURB_ and MALLOC_CHECK_=3 not documented
Date: Thu, 20 Sep 2018 18:39:00 -0000
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |eggert at cs dot ucla.edu
Component|manual |malloc
Assignee|roland at gnu dot org |unassigned at sourceware dot org
--- Comment #2 from eggert at cs dot ucla.edu ---
Although this stuff all changed in 2.25 and MALLOC_CHECK_ is obsolescent, the
manual still talks about it in a dozen places and the elf and malloc
directories still mess with MALLOC_CHECK_. Someone with good knowledge of the
recent malloc changes should do a 'git grep MALLOC_CHECK_' and fix the
occurrences.
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Subject: [Bug localedata/10425] it_IT/it_CH: LC_TIME format is wrong
Date: Fri, 21 Sep 2018 08:46:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=434d45fd70ac1a137d01b715ea99c03ce3c21b14
commit 434d45fd70ac1a137d01b715ea99c03ce3c21b14
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Fri Sep 14 22:43:02 2018 +0200
it_CH/it_IT locales: Correct some LC_TIME formats (bug 10425).
Synchronize some values with CLDR and apply some suggestions from Bugzilla.
[BZ #10425]
* localedata/locales/it_IT (d_t_fmt): Use "%a %-d %b %Y, %T".
(date_fmt): Use "%a %-d %b %Y, %T, %Z".
* localedata/locales/it_CH (d_t_fmt): Use "%a %-d %b %Y, %T"
which is the same as in it_IT.
(d_fmt): Use "%d.%m.%Y" which is the same as in de_CH.
(date_fmt): Use "%a %-d %b %Y, %T, %Z" which is the same as in it_IT.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
localedata/locales/it_CH | 6 +++---
localedata/locales/it_IT | 4 ++--
3 files changed, 15 insertions(+), 5 deletions(-)
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Subject: [Bug localedata/10425] it_IT/it_CH: LC_TIME format is wrong
Date: Fri, 21 Sep 2018 08:52:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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Target Milestone|--- |2.29
--- Comment #22 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Commit 434d45f fixes the issue.
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Subject: [Bug stdio/23636] Fix for bug 1190 (introducing sticky EOF) breaks stream concatenation via dup2
Date: Fri, 21 Sep 2018 09:51:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Mailing list discussion:
https://sourceware.org/ml/libc-alpha/2018-09/msg00235.html
Consensus seems to be that glibc should not change.
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Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Fri, 21 Sep 2018 11:10:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
string/strcasestr.c | 5 +++--
string/strstr.c | 5 +++--
string/test-strstr.c | 30 ++++++++++++++++++++++++++++++
4 files changed, 44 insertions(+), 4 deletions(-)
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Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Fri, 21 Sep 2018 11:12:00 -0000
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--- Comment #9 from Wilco <wdijkstr at arm dot com> ---
Now fixed in master and on 2.28.
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Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
Date: Fri, 21 Sep 2018 11:34:00 -0000
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commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 1 +
sysdeps/i386/start.S | 10 ++++++----
3 files changed, 15 insertions(+), 4 deletions(-)
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Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
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----------------------------------------------------------------------------
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--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.29 and 2.28 branch.
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Subject: [Bug math/23584] math/test-ildouble-fma, math/test-ldouble-fma test suite failures on ppc64le
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| |illa/show_bug.cgi?id=23272
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Subject: [Bug math/23272] fma(INFINITY,INFIITY,0.0) should be INFINITY
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>From glibc-bugs-return-43325-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 22 07:17:23 2018
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Subject: [Bug libc/23489] "gcc -lmcheck" aborts on free when using posix_memalign
Date: Sat, 22 Sep 2018 07:17:00 -0000
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--- Comment #24 from Hussam Al-Tayeb <me at hussam dot eu.org> ---
Any news regarding this issue?
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Subject: [Bug regex/11053] Wrong results with backreferences
Date: Sat, 22 Sep 2018 21:27:00 -0000
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--- Comment #7 from eggert at cs dot ucla.edu ---
Another test case for this bug can be found here:
https://debbugs.gnu.org/32806
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>From glibc-bugs-return-43327-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 10:03:28 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23707] New: Missing unwind info in sysdeps/powerpc/powerpc32/dl-start.S
Date: Tue, 25 Sep 2018 10:03:00 -0000
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Bug ID: 23707
Summary: Missing unwind info in
sysdeps/powerpc/powerpc32/dl-start.S
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: schwab@linux-m68k.org
Target Milestone: ---
Host: powerpc-*-*
When a ctor of a shared library calls _Unwind_Backtrace it gets stuck in an
infinite loop on powerpc due to the missing unwind info in _start.
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>From glibc-bugs-return-43328-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:15:44 2018
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Subject: [Bug string/23709] New: glibc 2.27 lacks sse2 optimized strstr()
Date: Tue, 25 Sep 2018 12:15:00 -0000
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Bug ID: 23709
Summary: glibc 2.27 lacks sse2 optimized strstr()
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: paul.borile at gmail dot com
Target Milestone: ---
Hi,
looks like code using strstr() and libc-2.27 is running 4 times slower than was
with libc-2.23. Having a look at profiled code executed in various moments show
different versions of strstr :
- libc-2.27.so: strstr.c, str-two-way.h - this is current version ubuntu
18.04.1
Same code, profiled March 13, 2018 :
- libc-2.23.so: strstr-sse2-unaligned.S - this version was 4 times faster
Was the sse2 optimized code removed from strstr() in 2.27 ? Any plans to
reintroduce it ?
-Paul
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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Last reconfirmed| |2018-09-25
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
glibc 2.27 on Fedora 28 x86_64 selects __strstr_sse2.
What's your architecture, and which CPU do you use?
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>From glibc-bugs-return-43330-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:34:05 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Tue, 25 Sep 2018 12:34:00 -0000
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--- Comment #2 from paul.borile at gmail dot com ---
ubuntu 18.04.1 LTS, Intel Core i7-4710HQ
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>From glibc-bugs-return-43331-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:37:14 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Tue, 25 Sep 2018 12:37:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
How did you compile it?
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>From glibc-bugs-return-43332-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:44:19 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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--- Comment #4 from paul.borile at gmail dot com ---
Just using the standard libc installed on ubuntu 18.04
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>From glibc-bugs-return-43333-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:49:16 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
You need to report that to ubuntu then.
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>From glibc-bugs-return-43335-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:51:59 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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--- Comment #6 from paul.borile at gmail dot com ---
already submitted but no answer. Thanks for clarifying that strstr() _should_
have sse 2 optimizations.
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>From glibc-bugs-return-43334-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:51:17 2018
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Subject: [Bug string/19391] strnlen invokes UB by adding maxlen to str
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
__wcslen_avx2 also assumes that the input is an array that can be accessed,
which is fine as well according to my reading of POSIX.
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>From glibc-bugs-return-43336-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:53:05 2018
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
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>From glibc-bugs-return-43337-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 12:56:23 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to paul.borile from comment #2)
> ubuntu 18.04.1 LTS, Intel Core i7-4710HQ
i386 or amd64?
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>From glibc-bugs-return-43338-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 13:01:40 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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--- Comment #8 from paul.borile at gmail dot com ---
amd64
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>From glibc-bugs-return-43339-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 25 13:05:15 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Tue, 25 Sep 2018 13:05:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
Okay, then Ubuntu must have a peculiar build. You need to report it to them.
As I said, on a Core i7-4810MQ, other builds of glibc 2.27 select an
SSE2-optimized version of strstr.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23711] New: wcsrtombs calls wcsnlen on input data which is not an array
Date: Tue, 25 Sep 2018 13:15:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23711
Bug ID: 23711
Summary: wcsrtombs calls wcsnlen on input data which is not an
array
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
If the destination pointer is not null, __wcsrtombs does this:
/* This code is based on the safe assumption that all internal
multi-byte encodings use the NUL byte only to mark the end
of the string. */
const wchar_t *srcend = *src + __wcsnlen (*src, len) + 1;
This is invalid because len can be much larger than the actual input data, and
calling __wcsnlen this way violates the precondition of the wcsnlen function:
the input must be an array.
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To: glibc-bugs@sourceware.org
Subject: [Bug string/19414] mbsrtowcs and wcsrtombs: UB and fail with large len
Date: Tue, 25 Sep 2018 13:16:00 -0000
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Subject: [Bug string/19414] mbsrtowcs and wcsrtombs: UB and fail with large len
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| |illa/show_bug.cgi?id=23711
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Subject: [Bug locale/23711] wcsrtombs calls wcsnlen on input data which is not an array
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Subject: [Bug locale/23711] wcsrtombs calls wcsnlen on input data which is not an array
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Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
Date: Tue, 25 Sep 2018 20:13:00 -0000
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--- Comment #19 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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from d62f9ec0cce26a275ec68f4564814041a33395b1 (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b5c45e83753b27dc538dff2d55d4410c385cf3a4
commit b5c45e83753b27dc538dff2d55d4410c385cf3a4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Aug 27 16:16:43 2018 -0300
Fix ifunc support with DT_TEXTREL segments (BZ#20480)
Currently, DT_TEXTREL is incompatible with IFUNC. When DT_TEXTREL or
DF_TEXTREL is seen, the dynamic linker calls __mprotect on the segments
with PROT_READ|PROT_WRITE before applying dynamic relocations. It leads
to segfault when performing IFUNC resolution (which requires PROT_EXEC
as well for the IFUNC resolver).
This patch makes it call __mprotect with extra PROT_WRITE bit, which
will keep the PROT_EXEC bit if exists, and thus fixes the segfault.
FreeBSD rtld libexec/rtld-elf/rtld.c (reloc_textrel_prot) does the same.
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu,
sparc64-linux-gnu, sparcv9-linux-gnu, and armv8-linux-gnueabihf.
Adam J. Richte <adam_richter2004@yahoo.com>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Fangrui Song <maskray@google.com>
[BZ #20480]
* config.h.in (CAN_TEXTREL_IFUNC): New define.
* configure.ac: Add check if linker supports textrel relocation with
ifunc.
* elf/dl-reloc.c (_dl_relocate_object): Use all required flags on
DT_TEXTREL segments, not only PROT_READ and PROT_WRITE.
* elf/Makefile (ifunc-pie-tests): Add tst-ifunc-textrel.
(CFLAGS-tst-ifunc-textrel.c): New rule.
* elf/tst-ifunc-textrel.c: New file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++++
config.make.in | 1 +
configure | 47 ++++++++++++++++++++
configure.ac | 35 +++++++++++++++
elf/Makefile | 4 ++
elf/dl-reloc.c | 20 +++-----
.../tst-cet-legacy-3.c => elf/tst-ifunc-textrel.c | 28 ++++++++----
7 files changed, 128 insertions(+), 22 deletions(-)
copy sysdeps/x86/tst-cet-legacy-3.c => elf/tst-ifunc-textrel.c (66%)
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Subject: [Bug dynamic-link/20480] Patch: ifunc not executable, crashes sudo qemu
Date: Tue, 25 Sep 2018 20:14:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.29
--- Comment #20 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (b5c45e83753b27dc538dff2d55d4410c385cf3a4).
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23707] Missing unwind info in sysdeps/powerpc/powerpc32/dl-start.S
Date: Wed, 26 Sep 2018 15:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23707
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 6ca8284e7a522ce3cdc9fdd2e73795c753890634 (commit)
from 61d8b5feeed36e242a043befe9b11f7f8c294f58 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ca8284e7a522ce3cdc9fdd2e73795c753890634
commit 6ca8284e7a522ce3cdc9fdd2e73795c753890634
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Sep 25 01:22:22 2018 +0200
Add missing unwind information to ld.so on powerpc32 (bug 23707)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++
elf/Makefile | 7 ++++-
support/xsymlink.c => elf/tst-unwind-ctor-lib.c | 27 +++++++++++++++-----
support/true-container.c => elf/tst-unwind-ctor.c | 9 ++++---
sysdeps/powerpc/powerpc32/dl-start.S | 3 ++
5 files changed, 42 insertions(+), 13 deletions(-)
copy support/xsymlink.c => elf/tst-unwind-ctor-lib.c (62%)
copy support/true-container.c => elf/tst-unwind-ctor.c (79%)
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>From glibc-bugs-return-43348-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 15:06:47 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23707] Missing unwind info in sysdeps/powerpc/powerpc32/dl-start.S
Date: Wed, 26 Sep 2018 15:06:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.29.
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>From glibc-bugs-return-43349-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 16:25:19 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23716] New: _dl_runtime_resolve_shstk isn't selected properly
Date: Wed, 26 Sep 2018 16:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23716
Bug ID: 23716
Summary: _dl_runtime_resolve_shstk isn't selected properly
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: i386
sysdeps/i386/dl-cet.c has
#ifdef SHARED
void
_dl_cet_check (struct link_map *main_map, const char *program)
{
cet_check (main_map, program);
if ((GL(dl_x86_feature_1)[0] & GNU_PROPERTY_X86_FEATURE_1_SHSTK))
{
/* Replace _dl_runtime_resolve and _dl_runtime_profile with
_dl_runtime_resolve_shstk and _dl_runtime_profile_shstk,
respectively if SHSTK is enabled. */
extern void _dl_runtime_resolve (Elf32_Word) attribute_hidden;
extern void _dl_runtime_resolve_shstk (Elf32_Word) attribute_hidden;
extern void _dl_runtime_profile (Elf32_Word) attribute_hidden;
extern void _dl_runtime_profile_shstk (Elf32_Word) attribute_hidden;
unsigned int i;
struct link_map *l;
Elf32_Addr *got;
if (main_map->l_info[DT_JMPREL])
{
got = (Elf32_Addr *) D_PTR (main_map, l_info[DT_PLTGOT]);
if (got[2] == (Elf32_Addr) &_dl_runtime_resolve)
got[2] = (Elf32_Addr) &_dl_runtime_resolve_shstk;
else if (got[2] == (Elf32_Addr) &_dl_runtime_profile)
got[2] = (Elf32_Addr) &_dl_runtime_profile_shstk;
}
i = main_map->l_searchlist.r_nlist;
while (i-- > 0)
{
l = main_map->l_initfini[i];
if (l->l_info[DT_JMPREL])
{
got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
if (got[2] == (Elf32_Addr) &_dl_runtime_resolve)
got[2] = (Elf32_Addr) &_dl_runtime_resolve_shstk;
else if (got[2] == (Elf32_Addr) &_dl_runtime_profile)
got[2] = (Elf32_Addr) &_dl_runtime_profile_shstk;
}
}
}
}
#endif
But _dl_cet_check is called before elf_machine_runtime_setup is called.
elf_machine_runtime_setup should select _dl_runtime_resolve_shstk if SHSTK
is enabled.
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>From glibc-bugs-return-43350-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 17:05:11 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23249] Glibc is deliberately crippling non-Intel x64 CPUs
Date: Wed, 26 Sep 2018 17:05:00 -0000
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
FWIW, I verified that with glibc 2.28, the "haswell" subdirectories are not
searched on an AMD EPYC 7251 CPU.
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>From glibc-bugs-return-43351-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 17:32:28 2018
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Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Wed, 26 Sep 2018 17:32:00 -0000
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--- Comment #5 from John Ericson <John.Ericson at Obsidian dot Systems> ---
Created attachment 11275
--> https://sourceware.org/bugzilla/attachment.cgi?id=11275&action=edit
Fix for master
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>From glibc-bugs-return-43352-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 17:35:10 2018
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Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Wed, 26 Sep 2018 17:35:00 -0000
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--- Comment #6 from John Ericson <John.Ericson at Obsidian dot Systems> ---
Created attachment 11276
--> https://sourceware.org/bugzilla/attachment.cgi?id=11276&action=edit
Fix for 2.28
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>From glibc-bugs-return-43353-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 17:39:05 2018
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Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
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--- Comment #7 from John Ericson <John.Ericson at Obsidian dot Systems> ---
Created attachment 11277
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Fix for 2.27
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>From glibc-bugs-return-43354-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 19:17:18 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23249] Epyc and other current AMD CPUs do not select the "haswell" platform subdirectory
Date: Wed, 26 Sep 2018 19:17:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Glibc is deliberately |Epyc and other current AMD
|crippling non-Intel x64 |CPUs do not select the
|CPUs |"haswell" platform
| |subdirectory
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>From glibc-bugs-return-43355-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 19:34:42 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored
Date: Wed, 26 Sep 2018 19:34:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #8 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to John Ericson from comment #5)
> Created attachment 11275 [details]
> Fix for master
Please send any patch to libc-alpha maillist, patches won't be reviews
otherwise (unless someone takes over and send the patch). Also, check the
contribution checklist [1], although this patch seems to be trivial.
[1] https://sourceware.org/glibc/wiki/Contribution%20checklist
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>From glibc-bugs-return-43356-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 22:25:02 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23717] New: glibc: stdlib/tst-setcontext9 test suite failure on POWER
Date: Wed, 26 Sep 2018 22:25:00 -0000
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Bug ID: 23717
Summary: glibc: stdlib/tst-setcontext9 test suite failure on
POWER
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
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Flags: security-
Even after
commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
I still see a test suite failure on POWER:
making contexts
swap contexts
start f1a
swap contexts in f2
set context in f1b
set context
Didn't expect signal from child: got `Segmentation fault'
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>From glibc-bugs-return-43357-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 22:26:15 2018
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Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on POWER
Date: Wed, 26 Sep 2018 22:26:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1623519
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>From glibc-bugs-return-43358-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 26 22:59:17 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
Date: Wed, 26 Sep 2018 22:59:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |powerpc64le-redhat-linux-gn
| |u
Summary|glibc: |glibc:
|stdlib/tst-setcontext9 test |stdlib/tst-setcontext9 test
|suite failure on POWER |suite failure on
| |powerpc64le
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I can reproduce this with the default compiler options with our compiler
derived from GCC 8.2.
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>From glibc-bugs-return-43359-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 27 08:29:02 2018
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Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
Date: Thu, 27 Sep 2018 08:24:00 -0000
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
(gdb) bt
#0 0x00000000100013e4 in 00000044.plt_call.puts@@GLIBC_2.17 ()
#1 0x00000000100017e0 in f2 () at tst-setcontext9.c:39
#2 0x00000000100206f8 in ctx ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb) disass
Dump of assembler code for function 00000044.plt_call.puts@@GLIBC_2.17:
0x00000000100013e0 <+0>: std r2,24(r1)
=> 0x00000000100013e4 <+4>: ld r12,-32344(r2)
0x00000000100013e8 <+8>: mtctr r12
0x00000000100013ec <+12>: bctr
0x00000000100013f0 <+16>: .long 0x0
0x00000000100013f4 <+20>: .long 0x0
0x00000000100013f8 <+24>: .long 0x0
0x00000000100013fc <+28>: .long 0x0
End of assembler dump.
(gdb) i reg r2
r2 0x1 1
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>From glibc-bugs-return-43360-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 27 09:07:38 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
Date: Thu, 27 Sep 2018 09:07:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
f1a is called with a stack of size 32768, but puts a variable of size 32768 on
the stack.
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>From glibc-bugs-return-43361-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 27 10:03:25 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10496] 12h time representation in multiple locales faulty
Date: Thu, 27 Sep 2018 10:03:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |digitalfreak@lingonborough.
| |com
Summary|time representation in |12h time representation in
|Arabian locales faulty? |multiple locales faulty
--- Comment #3 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Thank you Nils for reporting this bug and I'm sorry that you had to wait for so
long. The problem is not limited to Arabian locales therefore I change the
summary of this bug report.
I neither know Arabic locales but obviously using 12h time specification
without indicating AM/PM is faulty.
Here is a (hopefully) complete list of locales which use %l or %I in t_fmt but
do not use %P nor %p:
aa_DJ
aa_ER
aa_ER@saaho
aa_ET
am_ET
anp_IN
ar_AE
ar_BH
ar_DZ
ar_EG
ar_IN
ar_IQ
ar_JO
ar_KW
ar_LB
ar_LY
ar_MA
ar_OM
ar_QA
ar_SD
ar_SS
ar_SY
ar_TN
ar_YE
bhb_IN
bho_IN
bho_NP
bi_VU
bn_BD
bn_IN
brx_IN
byn_ER
doi_IN
en_HK
en_IN
en_PH
gez_ER
gez_ER@abegede
gez_ET
gez_ET@abegede
gu_IN
hif_FJ
hi_IN
hne_IN
kn_IN
kok_IN
ks_IN
ks_IN@devanagari
mag_IN
mai_IN
mai_NP
mjw_IN
ml_IN
mni_IN
mr_IN
ms_MY
mt_MT
om_ET
om_KE
pa_IN
raj_IN
sa_IN
sat_IN
sd_IN
sd_IN@devanagari
sid_ET
so_DJ
so_ET
so_KE
so_SO
sq_AL
sq_MK
ta_IN
ta_LK
tcy_IN
the_NP
ti_ER
ti_ET
tig_ER
to_TO
ur_IN
wal_ET
zh_HK
Only one locale (hif_FJ) uses %I in d_t_fmt but does not use %P nor %p.
These locales use %I or %l in t_fmt_ampm but do not use %P or %p: bg_BG, cs_CZ,
sk_SK.
Other locale data seem to be correct.
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>From glibc-bugs-return-43362-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 27 10:32:56 2018
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Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f841c97e515a1673485a2b12b3c280073d737890
commit f841c97e515a1673485a2b12b3c280073d737890
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 11:12:13 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
stdlib/tst-setcontext9.c | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
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Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
Date: Thu, 27 Sep 2018 10:33:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
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Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.29.
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Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
stdlib/tst-setcontext9.c | 4 ++--
3 files changed, 9 insertions(+), 2 deletions(-)
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
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See Also| |https://launchpad.net/bugs/
| |1793786
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Fri, 28 Sep 2018 14:40:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++
misc/tst-preadvwritev2-common.c | 65 +++++++++++++++++++++++++++++++--
misc/tst-preadvwritev2.c | 2 +
misc/tst-preadvwritev64v2.c | 2 +
sysdeps/unix/sysv/linux/preadv2.c | 2 +-
sysdeps/unix/sysv/linux/preadv64v2.c | 2 +-
sysdeps/unix/sysv/linux/pwritev2.c | 2 +-
sysdeps/unix/sysv/linux/pwritev64v2.c | 2 +-
8 files changed, 83 insertions(+), 7 deletions(-)
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Fri, 28 Sep 2018 14:46:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Version|2.28 |2.26
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd).
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>From glibc-bugs-return-43369-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 28 19:20:16 2018
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Subject: [Bug libc/22753] preadv2/pwritev2 fallback code should handle offset=-1
Date: Fri, 28 Sep 2018 19:20:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.26/master has been updated
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via 3022a296bd4106caf3121401d4cd80d32f6c8631 (commit)
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commit 202d08db40f297e718699f628e3c2111be335c2c
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3022a296bd4106caf3121401d4cd80d32f6c8631
commit 3022a296bd4106caf3121401d4cd80d32f6c8631
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Feb 2 10:46:26 2018 +0100
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit d4b4a00a462348750bb18544eb30853ee6ac5d10)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++++++++
NEWS | 2 +
manual/llio.texi | 21 ++++++---
misc/tst-preadvwritev-common.c | 38 ++++++++++++++++
misc/tst-preadvwritev2-common.c | 77 ++++++++++++++++++++++++++++++++-
misc/tst-preadvwritev2.c | 3 +
misc/tst-preadvwritev64v2.c | 3 +
sysdeps/posix/preadv2.c | 5 ++-
sysdeps/posix/preadv64v2.c | 5 ++-
sysdeps/posix/pwritev2.c | 5 ++-
sysdeps/posix/pwritev64v2.c | 5 ++-
sysdeps/unix/sysv/linux/preadv2.c | 7 ++-
sysdeps/unix/sysv/linux/preadv64v2.c | 8 +++-
sysdeps/unix/sysv/linux/pwritev2.c | 7 ++-
sysdeps/unix/sysv/linux/pwritev64v2.c | 7 ++-
15 files changed, 204 insertions(+), 20 deletions(-)
--
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Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Fri, 28 Sep 2018 19:20:00 -0000
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commit 202d08db40f297e718699f628e3c2111be335c2c
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3022a296bd4106caf3121401d4cd80d32f6c8631
commit 3022a296bd4106caf3121401d4cd80d32f6c8631
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Feb 2 10:46:26 2018 +0100
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit d4b4a00a462348750bb18544eb30853ee6ac5d10)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++++++++
NEWS | 2 +
manual/llio.texi | 21 ++++++---
misc/tst-preadvwritev-common.c | 38 ++++++++++++++++
misc/tst-preadvwritev2-common.c | 77 ++++++++++++++++++++++++++++++++-
misc/tst-preadvwritev2.c | 3 +
misc/tst-preadvwritev64v2.c | 3 +
sysdeps/posix/preadv2.c | 5 ++-
sysdeps/posix/preadv64v2.c | 5 ++-
sysdeps/posix/pwritev2.c | 5 ++-
sysdeps/posix/pwritev64v2.c | 5 ++-
sysdeps/unix/sysv/linux/preadv2.c | 7 ++-
sysdeps/unix/sysv/linux/preadv64v2.c | 8 +++-
sysdeps/unix/sysv/linux/pwritev2.c | 7 ++-
sysdeps/unix/sysv/linux/pwritev64v2.c | 7 ++-
15 files changed, 204 insertions(+), 20 deletions(-)
--
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22753] preadv2/pwritev2 fallback code should handle offset=-1
Date: Fri, 28 Sep 2018 19:27:00 -0000
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commit a127df9f3ec6de1d59d8f864a1e9b60da859f269
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b3775697a3fc9126f0079deb407047a0952fbd5
commit 3b3775697a3fc9126f0079deb407047a0952fbd5
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Feb 2 10:46:26 2018 +0100
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit d4b4a00a462348750bb18544eb30853ee6ac5d10)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 ++++++++++++++++
NEWS | 2 +
manual/llio.texi | 21 +++++++----
misc/tst-preadvwritev-common.c | 38 +++++++++++++++++++
misc/tst-preadvwritev2-common.c | 65 +++++++++++++++++++++++++++++++--
misc/tst-preadvwritev2.c | 3 ++
misc/tst-preadvwritev64v2.c | 3 ++
sysdeps/posix/preadv2.c | 5 ++-
sysdeps/posix/preadv64v2.c | 5 ++-
sysdeps/posix/pwritev2.c | 5 ++-
sysdeps/posix/pwritev64v2.c | 5 ++-
sysdeps/unix/sysv/linux/preadv2.c | 7 +++-
sysdeps/unix/sysv/linux/preadv64v2.c | 8 +++-
sysdeps/unix/sysv/linux/pwritev2.c | 7 +++-
sysdeps/unix/sysv/linux/pwritev64v2.c | 7 +++-
15 files changed, 190 insertions(+), 22 deletions(-)
--
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Fri, 28 Sep 2018 19:27:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit a127df9f3ec6de1d59d8f864a1e9b60da859f269
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b3775697a3fc9126f0079deb407047a0952fbd5
commit 3b3775697a3fc9126f0079deb407047a0952fbd5
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Feb 2 10:46:26 2018 +0100
preadv2/pwritev2: Handle offset == -1 [BZ #22753]
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit d4b4a00a462348750bb18544eb30853ee6ac5d10)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 ++++++++++++++++
NEWS | 2 +
manual/llio.texi | 21 +++++++----
misc/tst-preadvwritev-common.c | 38 +++++++++++++++++++
misc/tst-preadvwritev2-common.c | 65 +++++++++++++++++++++++++++++++--
misc/tst-preadvwritev2.c | 3 ++
misc/tst-preadvwritev64v2.c | 3 ++
sysdeps/posix/preadv2.c | 5 ++-
sysdeps/posix/preadv64v2.c | 5 ++-
sysdeps/posix/pwritev2.c | 5 ++-
sysdeps/posix/pwritev64v2.c | 5 ++-
sysdeps/unix/sysv/linux/preadv2.c | 7 +++-
sysdeps/unix/sysv/linux/preadv64v2.c | 8 +++-
sysdeps/unix/sysv/linux/pwritev2.c | 7 +++-
sysdeps/unix/sysv/linux/pwritev64v2.c | 7 +++-
15 files changed, 190 insertions(+), 22 deletions(-)
--
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Fri, 28 Sep 2018 19:37:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 +++++++
NEWS | 1 +
misc/tst-preadvwritev2-common.c | 65 +++++++++++++++++++++++++++++++--
misc/tst-preadvwritev2.c | 2 +
misc/tst-preadvwritev64v2.c | 2 +
sysdeps/unix/sysv/linux/preadv2.c | 2 +-
sysdeps/unix/sysv/linux/preadv64v2.c | 2 +-
sysdeps/unix/sysv/linux/pwritev2.c | 2 +-
sysdeps/unix/sysv/linux/pwritev64v2.c | 2 +-
9 files changed, 85 insertions(+), 7 deletions(-)
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>From glibc-bugs-return-43373-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 28 20:32:41 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23716] _dl_runtime_resolve_shstk isn't selected properly
Date: Fri, 28 Sep 2018 20:32:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b1f9406761331cf35fe521fbdb592beecf68a2c
commit 7b1f9406761331cf35fe521fbdb592beecf68a2c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 +++++++
sysdeps/i386/dl-cet.c | 67 ---------------------------------------------
sysdeps/i386/dl-machine.h | 13 +++++++-
3 files changed, 21 insertions(+), 69 deletions(-)
delete mode 100644 sysdeps/i386/dl-cet.c
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23724] New: Albanian date formats are incorrect
Date: Fri, 28 Sep 2018 20:54:00 -0000
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Bug ID: 23724
Summary: Albanian date formats are incorrect
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
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Albanian locale data (sq_AL) in glibc uses the date format "%Y-%b-%d" which is
kinda weird because it renders something like "2018-Sht-28". According to CLDR
[1] it should be "28 Sht 2018" for dates having an abbreviated month name and
"28.9.18" for short (numerical only) dates.
[1] http://st.unicode.org/cldr-apps/v#/sq/Gregorian/
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>From glibc-bugs-return-43375-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 28 21:18:57 2018
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Subject: [Bug localedata/23724] Albanian date formats are incorrect
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Do we really want to use %d.m.%y for the short date format? It's not Y2K-safe,
after all.
<https://www.kryeministria.al/newsroom/vendime-te-miratuara-ne-mbledhjen-e-keshillit-te-ministrave-date-31-korrik-2018/>
uses %d.%m.%Y.
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>From glibc-bugs-return-43376-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 29 19:48:51 2018
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To: glibc-bugs@sourceware.org
Subject: =?UTF-8?B?W0J1ZyBsaWJjLzIzNzI2XSBOZXc6IG1lbWZkX2NyZWF0ZSgyKSBzYXlzIHRv?= =?UTF-8?B?IGluY2x1ZGUgPHN5cy9tZW1mZC5oPiBidXQgaXQgZG9lc27igJl0IGV4aXN0?Date: Sat, 29 Sep 2018 19:48:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23726
Bug ID: 23726
Summary: memfd_create(2) says to include <sys/memfd.h> but it
doesn’t exist
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
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On ArchLinux, using glibc 2.28 and man-pages 4.16, memfd_create is correctly
exposed in libc.so.6 (I checked with nm -CD), but there is no header shipped
which includes it.
I can trivially workaround this issue by declaring the prototype of this
function in my code, but it looks like a bug in glibc which you may want to fix
in a minor version.
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>From glibc-bugs-return-43377-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 29 19:58:38 2018
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--- Comment #1 from Link Mauve <linkmauve at linkmauve dot fr> ---
I’ve just been told it is defined in <bits/mman-shared.h> (included from
<sys/mman.h>), which would point to a manpage issue instead.
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>From glibc-bugs-return-43378-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 29 19:59:04 2018
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Link Mauve <linkmauve at linkmauve dot fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mtk.manpages at gmail dot com
Component|libc |manual
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>From glibc-bugs-return-43379-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 30 01:13:03 2018
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Subject: [Bug string/5806] wrong comment in strlen() and other functions
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Marc Mongenet <marc at mongenet dot ch> changed:
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--- Comment #10 from Marc Mongenet <marc at mongenet dot ch> ---
The comment is still wrong, but for another reason:
In 71a5bd3e177e7748cf8993b0577d65d8986b44bc Ulrich Drepper <drepper@redhat.com>
2009-03-15 10:03:38 replaced the implementation, but not the comments.
Today, the code is the hack taken from Alan Mycroft's HAKMEMC postings, but the
comments describes an old implementation.
It could be fixed be doing what Stas Yakovlev proposed on 2008-04-17 19:55:59
IST in https://sourceware.org/bugzilla/attachment.cgi?id=2703&action=diff.
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Subject: =?UTF-8?B?W0J1ZyBtYW51YWwvMjM3MjZdIG1lbWZkX2NyZWF0ZSgyKSBzYXlzIHRvIGlu?= =?UTF-8?B?Y2x1ZGUgPHN5cy9tZW1mZC5oPiBidXQgaXQgZG9lc27igJl0IGV4aXN0?Date: Sun, 30 Sep 2018 09:54:00 -0000
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--- Comment #2 from Michael Kerrisk <mtk.manpages at gmail dot com> ---
(In reply to Link Mauve from comment #1)
> I’ve just been told it is defined in <bits/mman-shared.h> (included from
> <sys/mman.h>), which would point to a manpage issue instead.
This is a problem in the man pages, rather than glibc, so should be reported as
described here:
https://www.kernel.org/doc/man-pages/reporting_bugs.html
That said, this problem was fixed a few months ago, for the next man-pages
release.
https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/commit/?id=6971614d3b81c38739f90bbae5454e4eddbb7d2b
Thanks,
Michael
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>From glibc-bugs-return-43381-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 30 09:57:12 2018
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Subject: =?UTF-8?B?W0J1ZyBtYW51YWwvMjM3MjZdIG1lbWZkX2NyZWF0ZSgyKSBzYXlzIHRvIGlu?= =?UTF-8?B?Y2x1ZGUgPHN5cy9tZW1mZC5oPiBidXQgaXQgZG9lc27igJl0IGV4aXN0?Date: Sun, 30 Sep 2018 09:57:00 -0000
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Link Mauve <linkmauve at linkmauve dot fr> changed:
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--- Comment #3 from Link Mauve <linkmauve at linkmauve dot fr> ---
Thanks!
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>From glibc-bugs-return-43382-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 30 13:14:05 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug string/5806] wrong comment in strlen() and other functions
Date: Sun, 30 Sep 2018 13:14:00 -0000
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--- Comment #11 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
In my view, the right approach for this issue is a general overhaul of the
generic string functions as in Richard Henderson's / Adhemerval Zanella's
patchset <https://sourceware.org/ml/libc-alpha/2018-01/msg00318.html>
(that patchset may not address all instances of that comment, but it
provides the infrastructure for doing so).
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>From glibc-bugs-return-43383-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Sep 30 21:58:38 2018
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Subject: [Bug libc/19767] vdso is not used with static linking
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Rafael Ãvila de EspÃndola <rafael at espindo dot la> changed:
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--- Comment #2 from Rafael Ãvila de EspÃndola <rafael at espindo dot la> ---
I am working on a path for this.
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>From glibc-bugs-return-43384-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 01 09:35:43 2018
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Mon, 01 Oct 2018 09:35:00 -0000
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
I looked at the Ubuntu patches, but couldn't find anything obvious.
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>From glibc-bugs-return-43385-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 01 10:38:25 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23724] Albanian date formats are incorrect
Date: Mon, 01 Oct 2018 10:38:00 -0000
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--- Comment #2 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I think it is not a problem because it is only how the dates are displayed,
also it does not mean that using 4 digits is impossible. Y2K problem, as far
as I understand it, is about how dates are stored internally. If some locale
conventions want to display year using 2 digits I think it is OK. A good
argument for me is when CLDR says so. Your link shows that 4 digits are also
used in Albanian language, it does not mean that 2 digit year is prohibited.
A quick grep shows that there are currently 106 locales using "%y" in d_fmt
including POSIX and the default C locale (a fallback when setting a locale
fails) plus 8 locales using "%Oy" or "%Ey", compared to the total of 294
locales which actually provide d_fmt (rather than using "copy"). I don't mind
if we set a rule which says that "%y" should never be suggested by glibc by
default and "%Y" should be used instead but we would have to change POSIX and C
locales as well which I think is out of our scope.
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>From glibc-bugs-return-43386-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 01 13:38:49 2018
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Subject: [Bug dynamic-link/23716] _dl_runtime_resolve_shstk isn't selected properly
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (commit 7b1f9406761331cf35fe521fbdb592beecf68a2c).
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>From glibc-bugs-return-43387-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 01 16:25:34 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Mon, 01 Oct 2018 16:25:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1631472
--- Comment #38 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #35)
> As a temprary measure I have committed the deinterleaving of upper and lower
> cases in iso14651_t1_common for glibc 2.28 to fix the surprises caused to
> en_US.UTF-8 users who do not want to have [a-z] match A-Y.
>
> This fixes the regression for 2.28, but doesn't fix this issue.
There is a user report [1] that [a-z] range matching is broken for sv_SE, and
this is expected, the commit 159738548130d5ac4fe6178977e940ed5f8cfdc4 by Mike
Fabian in upstream harmonized the collation with CLDR but changed CEO such that
[a-z] no longer works as expected. This will be fixed by a full fix to this
issue.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1631472
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>From glibc-bugs-return-43388-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 01 18:19:09 2018
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 01 Oct 2018 18:19:00 -0000
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hpa at zytor dot com <hpa at zytor dot com> changed:
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----------------------------------------------------------------------------
CC| |hpa at zytor dot com
--- Comment #1 from hpa at zytor dot com <hpa at zytor dot com> ---
So to summarize the problem here:
1. The set of baud rates supported by modern serial port hardware far
outnumbers the number of flags in c_cflags.
2. Those baud rates are actually *used*, especially in applications driven from
a clock with an integral number of MHz. For example, MIDI is basically a
31,250 bps (1/32 Mbps) serial port with an optoisolator. I am personally
looking at an application which will require a baud rate of 46,875 bps (1.5/32
Mbps). Finally, there are those that support extremely high baud rates, like
12 Mbps.
3. The POSIX interfaces unfortunately failed to abstract baud rate when the
cf*speed interfaces were added. Carrying the System V B* constants into this
new interface was a massive design mistake.
4. The Linux kernel unfortunately copied System V a bit too closely.
5. glibc, even though it defined speed fields in its struct termios, didn't do
this abstraction either.
6. Linux has supported arbitrary baud rates for *12 years* now; this interface
was added in kernel version 2.6.20 (although some platforms already had this
support, and some platforms that are virtually unmaintained still haven't
implemented it ... it is easy to test for by seeing if the kernel headers
define BOTHER.)
7. To use this interface, the new ioctl()s TCGETS2/TCSETS2 need to be used
(except on the small number of platforms that already had them), together with
the use of the new kernel struct termios2.
8. The perhaps biggest problem is that making cf*speed() take integers will
cause conflicts in the ranges 1-15 and 513-527 bps. These do seem to me to be
highly unlikely speeds, so perhaps it wouldn't be a big deal to just let the
cf*speed() interfaces accept integers as is. If that is considered
unacceptable, we could either use symbol versioning on the cf*speed interfaces,
or create a non-POSIX interface like cf*speedbps(), and push POSIX to accept
that as a general improvement to the standard.
The implementation is easy enough -- I would be willing to write up a concept
patch at least -- but I would like to know what direction the glibc team feels
ought to be taken here, design-wise.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 01 Oct 2018 20:39:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to hpa@zytor.com from comment #1)
> So to summarize the problem here:
Thanks for the summary, the first comment wasn't not clear of current status.
>
> 1. The set of baud rates supported by modern serial port hardware far
> outnumbers the number of flags in c_cflags.
>
> 2. Those baud rates are actually *used*, especially in applications driven
> from a clock with an integral number of MHz. For example, MIDI is basically
> a 31,250 bps (1/32 Mbps) serial port with an optoisolator. I am personally
> looking at an application which will require a baud rate of 46,875 bps
> (1.5/32 Mbps). Finally, there are those that support extremely high baud
> rates, like 12 Mbps.
Ack, we have a real issue.
>
> 3. The POSIX interfaces unfortunately failed to abstract baud rate when the
> cf*speed interfaces were added. Carrying the System V B* constants into
> this new interface was a massive design mistake.
>
> 4. The Linux kernel unfortunately copied System V a bit too closely.
>
> 5. glibc, even though it defined speed fields in its struct termios, didn't
> do this abstraction either.
Right, I think back then we just copied kernel definitions to avoid extra code
to map glibc definitions to kernel abi.
>
> 6. Linux has supported arbitrary baud rates for *12 years* now; this
> interface was added in kernel version 2.6.20 (although some platforms
> already had this support, and some platforms that are virtually unmaintained
> still haven't implemented it ... it is easy to test for by seeing if the
> kernel headers define BOTHER.)
So can we assume that all *current* glibc supported architectures does support
TCGETS2/TCSETS2? Also, can we assume that supporting TCGETS2/TCSETS2 is the
default for newer ports?
>
> 7. To use this interface, the new ioctl()s TCGETS2/TCSETS2 need to be used
> (except on the small number of platforms that already had them), together
> with the use of the new kernel struct termios2.
>
> 8. The perhaps biggest problem is that making cf*speed() take integers will
> cause conflicts in the ranges 1-15 and 513-527 bps. These do seem to me to
> be highly unlikely speeds, so perhaps it wouldn't be a big deal to just let
> the cf*speed() interfaces accept integers as is. If that is considered
> unacceptable, we could either use symbol versioning on the cf*speed
> interfaces, or create a non-POSIX interface like cf*speedbps(), and push
> POSIX to accept that as a general improvement to the standard.
My understanding is 'speed_t' constants values are an implementation detail, so
we should be safe to redefine it to expected termios2 values. I would avoid to
add a non-POSIX interface, even more since we can adapt current cf*speed
implementation to use the termios2 values. Also, breaking old programs is not
acceptable, so my suggestion is:
- Move current code to compatibility symbols;
- Add the new B* constants as GNU extensions (defined with _GNU_SOURCE);
- Add the new implementations as new default versioned symbols.
We can try to push POSIX to accept the new B* constant, it would be a more
straightforward solution than either try to push for a new API or set the B*
constants to not be an implementation detail.
>
> The implementation is easy enough -- I would be willing to write up a
> concept patch at least -- but I would like to know what direction the glibc
> team feels ought to be taken here, design-wise.
I also noted that termios.h definition is copied-pasted in some architectures,
leading to a lot of code duplication. I won't impose it as a requisite for
your patch proposal, but with current trends in glibc refactoring we are trying
to avoid such clobbering. So it would be nice if you might to consolidate the
termios implementation for Linux to avoid duplication in patch proposal
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 01 Oct 2018 23:10:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Mon, 1 Oct 2018, adhemerval.zanella at linaro dot org wrote:
> I also noted that termios.h definition is copied-pasted in some architectures,
> leading to a lot of code duplication. I won't impose it as a requisite for
> your patch proposal, but with current trends in glibc refactoring we are trying
> to avoid such clobbering. So it would be nice if you might to consolidate the
> termios implementation for Linux to avoid duplication in patch proposal
This duplication is of course for the usual reason of some of the
constants being different on some architectures (resulting in duplication
of everything in the header, not just the parts that are genuinely
different).
If fixing such duplication, note bug 17783 for TIOCSER_TEMT currently
having inconsistent feature test macros on different architectures (and
it's not defined at all in bits/termios.h for most architectures).
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From: "ricilake at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23447] echo w | grep '[a-z] not working in swedish locale
Date: Tue, 02 Oct 2018 04:03:00 -0000
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Rici Lake <ricilake at gmail dot com> changed:
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----------------------------------------------------------------------------
CC| |ricilake at gmail dot com
--- Comment #4 from Rici Lake <ricilake at gmail dot com> ---
Please reopen this bug. It was reported again on StackOverflow here, and I
subsequently tested it, to the best of my ability, with glibc 2.28, using the
included version of localedef to compile the included locale file for sv_SE. I
used the following C program, rather than grep, because the problem is readily
visible with a simple regular expression:
#define _XOPEN_SOURCE 700
#include <locale.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
const char* pat = "[u-x]";
int main(int argc, char* argv[]) {
const char* loc = setlocale(LC_ALL, "sv_SE.UTF-8");
if (loc) printf("Locale: %s\n", loc); else exit(2);
regex_t re;
int status;
if ((status = regcomp(&re, pat, REG_EXTENDED))) {
char errbuf[128];
regerror(status, &re, errbuf, 128);
printf("Regex error %d: %s\n", status, errbuf);
exit(1);
}
for (int i = 't'; i < 'z'; ++i) {
char s[2] = {i, 0};
printf("%c: %s\n", i, regexec(&re, s, 0, NULL, 0) == 0 ? "Ok" : "No");
}
return 0;
}
I used `make check` to generate the locale files in the build directory, and
then compiled, linked and ran my little program using the same commands as were
generated by the Makefile to run the bundled test programs:
$ (cd ../../glibc-2.28/localedata; gcc
/home/rici/src/glibc-2.28-build/localedata/swedish.c -c -std=gnu11
-fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants
-fno-stack-protector -frounding-math -g -Wstrict-prototypes
-Wold-style-definition -fmath-errno -U_FORTIFY_SOURCE -I../include
-I/home/rici/src/glibc-2.28-build/localedata -I/home/rici/src/glibc-2.28-build
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86/include -I../sysdeps/unix/sysv/linux/x86
-I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64
-I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include
-I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread
-I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix
-I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch
-I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -D_LIBC_REENTRANT -include
/home/rici/src/glibc-2.28-build/libc-modules.h -DMODULE_NAME=testsuite -include
../include/libc-symbols.h -DPIC -DTOP_NAMESPACE=glibc -o
/home/rici/src/glibc-2.28-build/localedata/swedish.o -MD -MP -MF
/home/rici/src/glibc-2.28-build/localedata/swedish.o.dt -MT
/home/rici/src/glibc-2.28-build/localedata/swedish.o)
$ gcc -pie -Wl,-O1 -nostdlib -nostartfiles -o
/home/rici/src/glibc-2.28-build/localedata/swedish -Wl,-z,combreloc
-Wl,-z,relro -Wl,--hash-style=both /home/rici/src/glibc-2.28-build/csu/Scrt1.o
/home/rici/src/glibc-2.28-build/csu/crti.o `gcc --print-file-name=crtbeginS.o`
/home/rici/src/glibc-2.28-build/localedata/swedish.o
/home/rici/src/glibc-2.28-build/support/libsupport_nonshared.a
-Wl,-dynamic-linker=/lib64/ld-linux-x86-64.so.2
-Wl,-rpath-link=/home/rici/src/glibc-2.28-build:/home/rici/src/glibc-2.28-build/math:/home/rici/src/glibc-2.28-build/elf:/home/rici/src/glibc-2.28-build/dlfcn:/home/rici/src/glibc-2.28-build/nss:/home/rici/src/glibc-2.28-build/nis:/home/rici/src/glibc-2.28-build/rt:/home/rici/src/glibc-2.28-build/resolv:/home/rici/src/glibc-2.28-build/mathvec:/home/rici/src/glibc-2.28-build/support:/home/rici/src/glibc-2.28-build/crypt:/home/rici/src/glibc-2.28-build/nptl
/home/rici/src/glibc-2.28-build/libc.so.6
/home/rici/src/glibc-2.28-build/libc_nonshared.a -Wl,--as-needed
/home/rici/src/glibc-2.28-build/elf/ld.so -Wl,--no-as-needed -lgcc
-Wl,--as-needed -lgcc_s -Wl,--no-as-needed `gcc --print-file-name=crtendS.o`
/home/rici/src/glibc-2.28-build/csu/crtn.o
$ env GCONV_PATH=/home/rici/src/glibc-2.28-build/iconvdata
LOCPATH=/home/rici/src/glibc-2.28-build/localedata LC_ALL=C
/home/rici/src/glibc-2.28-build/elf/ld-linux-x86-64.so.2 --library-path
/home/rici/src/glibc-2.28-build:/home/rici/src/glibc-2.28-build/math:/home/rici/src/glibc-2.28-build/elf:/home/rici/src/glibc-2.28-build/dlfcn:/home/rici/src/glibc-2.28-build/nss:/home/rici/src/glibc-2.28-build/nis:/home/rici/src/glibc-2.28-build/rt:/home/rici/src/glibc-2.28-build/resolv:/home/rici/src/glibc-2.28-build/mathvec:/home/rici/src/glibc-2.28-build/support:/home/rici/src/glibc-2.28-build/crypt:/home/rici/src/glibc-2.28-build/nptl
/home/rici/src/glibc-2.28-build/localedata/swedish
The output is:
Locale: sv_SE.UTF-8
t: No
u: Ok
v: Ok
w: No
x: Ok
y: No
The same output is produced if I use glibc v2.27 with the locale file created
with localedef v2.28. On the other hand, both glibc v2.27 and glibc v2.28
produce the following output with a locale file created with localedef v2.27:
Locale: sv_SE.UTF-8
t: No
u: Ok
v: Ok
w: No
x: Ok
y: No
If I use the regular expression `[u-w]` instead of `[u-x]`, regcomp returns an
error indication when the new locale files are used:
Regex error 11: Invalid range end
With the v2.27 locale files, there is no error and `w` is accepted by the
regular expression.
I believe all these results are entirely predictable. They are the result of
this patch, from last February:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=159738548130d5ac4fe6178977e940ed5f8cfdc4#patch94
That patch changes the collation redefinitions for `W` and `w`, which had been:
-reorder-after <U0056>
-<U0057> <v>;<BAS>;<CAP>;<w> % W
-reorder-after <U0076>
-<U0077> <v>;<BAS>;<MIN>;<w> % w
In the patched file, they are
+% &v<<<V<<w<<<W
+<U0057> <S0076>;"<BASE><VRNT1>";"<CAP><MIN>";IGNORE % W
+<U0077> <S0076>;"<BASE><VRNT1>";"<MIN><MIN>";IGNORE % w
Note that the reorder-after directives have been removed. As a result, in the
modified file, the redefinition of `W` and `w` appear as part of a stanza which
starts
+reorder-after <AFTER-Z>
in which they appear between thorn and U-umlaut:
+<U00FE> "<S0074><S0068>";"<BASE><BASE>";"<COMPAT><COMPAT>";IGNORE % þ
+<U0057> <S0076>;"<BASE><VRNT1>";"<CAP><MIN>";IGNORE % W
+<U0077> <S0076>;"<BASE><VRNT1>";"<MIN><MIN>";IGNORE % w
+<U00DC> <S0079>;"<BASE><TREMA>";"<CAP><MIN>";IGNORE % Ü
Note that the weight orderings are correct and basically unaltered, although
the symbolic names have changed. Indeed, the sortation tests included in the
glibc distribution still succeed, because string comparison uses the ordered
weightings. Furthermore, `W` and `w` are still recognized as part of
`[[:alpha:]]`, because the LC_CTYPE definitions were not changed.
However, there is a quirk in the application of LC_COLLATE to regular
expressions, which is described at length in the Posix rationales for Locales
(http://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap07.html) and
Regular Expressions
(http://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap09.html). As
described by the LC_COLLATE section of Chapter 7, there are three different
orderings which have been considered (out of a total of five possible orderings
of increased sophistication, the last two of which were considered out of
scope):
1. Binary (codepoint) order
2. Character Order
3. String Order
In strings, characters can (and are) sorted contextually. This allows, for
example, certain German letters to be alphabetised as though they were spelled
in an alternative fashion (ß is alphabetized as though written "ss", and ä as
though written "ae"), while digraphs (still used in a few languages, but not in
Spanish for many years) can be condensed into single letters. Posix collation
is targetted at string ordering, but it is not always possible. So two
orderings are defined. String ordering is defined by the vector of weights and
collating sequences supplied for each character, but character ordering is
simply defined by the order in which the collation elements appear in the
locale definition file. ("The character order is defined by the order in which
characters and elements are specified between the order_start and order_end
keywords.")
This is made even more explicit in the rationale for Regular Expressions. There
is a long historical overview, which starts with:
> Historical implementations used native character order to interpret range expressions. The ISO POSIX-2:1993 standard instead required collating element order (CEO): the order that collating elements were specified between the order_start and order_end keywords in the LC_COLLATE category of the current locale. CEO had some advantages in portability over the native character order, but it also had some disadvantages:
One might expect that the follow-up would be a different recommendation, but
no; the subsequent discussions describes what must have been a long and
frustrating committee debate with no clear outcome:
> While revising the standard, lengthy consideration was given to proposals to attack this problem by adding an API for querying the CEO to allow user-mode matchers, but none of these proposals had implementation experience and none achieved consensus. Leaving the standard alone was also considered, but rejected due to the problems described above.
So the end outcome:
> The current standard leaves unspecified the behavior of a range expression outside the POSIX locale.
However, in 7.3.2 of XBD, where the LC_COLLATE section of the locale definition
file is described, the following text appears:
> At least the following capabilities are provided:
> 1. Multi-character collating elements. Specification of multi-character collating elements (that is, sequences of two or more characters to be collated as an entity).
> 2. User-defined ordering of collating elements. Each collating element shall be assigned a collation value defining its order in the character (or basic) collation sequence. This ordering is used by regular expressions and pattern matching and, unless collation weights are explicitly specified, also as the collation weight to be used in sorting.
> 3. Multiple weights and equivalence classes. Collating elements can be assigned one or more (up to the limit {COLL_WEIGHTS_MAX}, as defined in <limits.h>) collating weights for use in sorting. The first weight is hereafter referred to as the primary weight.
So there is at least a guideline: Collation Element Ordering is to be used by
regular expressions; collating weights are to be used in sorting.
---
The reorder-after directive implemented by Glibc's localedef is not part of the
Posix standard. The extension is useful precisely to allow modularised locale
definition files to assign a useful Collation Element Ordering as well as
reassigning sortation weights. That is what was done for `W` and `w` in the
sv_SE locale up to glibc v2.27, and while the change in v2.28 does not appear
to violate any standard, it nonetheless seems like a regression.
The simple solution would be to move lines 106 through 116 of
localedata/locales/sv_SE
(https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/locales/sv_SE;h=aa28c23776408e593890883ebb4c8d70b971fe15;hb=159738548130d5ac4fe6178977e940ed5f8cfdc4#l106)
out of the reorder-after <AFTER-Z> section, and reinsert the reorder-after
blocks which were present in v2.27, placing `W` after `V` and `w` after `v`.
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Subject: [Bug stdio/21037] open_memstream and freopen
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| |rg
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| |rg
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Subject: [Bug stdio/21037] open_memstream and freopen
Date: Tue, 02 Oct 2018 13:27:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b727ed4d605d9318cb0d323c88abb0d5a441a9b
commit 0b727ed4d605d9318cb0d323c88abb0d5a441a9b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Jul 13 16:43:24 2017 -0300
libio: Flush stream at freopen (BZ#21037)
As POSIX states [1] a freopen call should first flush the stream as if by a
call fflush. C99 (n1256) and C11 (n1570) only states the function should
first close any file associated with the specific stream. Although current
implementation only follow C specification, current BSD and other libc
implementation (musl) are in sync with POSIX and fflush the stream.
This patch change freopen{64} to fflush the stream before actually
reopening
it (or returning if the stream does not support reopen). It also changes
the
Linux implementation to avoid a dynamic allocation on 'fd_to_filename'.
Checked on x86_64-linux-gnu.
[BZ #21037]
* libio/Makefile (tests): Add tst-memstream4 and tst-wmemstream4.
* libio/freopen.c (freopen): Sync stream before reopen and adjust to
new fd_to_filename interface.
* libio/freopen64.c (freopen64): Likewise.
* libio/tst-memstream.h: New file.
* libio/tst-memstream4.c: Likewise.
* libio/tst-wmemstream4.c: Likewise.
* sysdeps/generic/fd_to_filename.h (fd_to_filename): Change signature.
* sysdeps/unix/sysv/linux/fd_to_filename.h (fd_to_filename): Likewise
and remove internal dynamic allocation.
[1] http://pubs.opengroup.org/onlinepubs/9699919799/
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 ++++++
libio/Makefile | 4 +-
libio/freopen.c | 29 +++++++------
libio/freopen64.c | 26 +++++++-----
libio/tst-memstream.h | 68 ++++++++++++++++++++++++++++++
libio/tst-memstream4.c | 64 ++++++++++++++++++++++++++++
libio/tst-wmemstream4.c | 20 +++++++++
sysdeps/generic/fd_to_filename.h | 4 +-
sysdeps/unix/sysv/linux/fd_to_filename.h | 34 +++++----------
9 files changed, 214 insertions(+), 49 deletions(-)
create mode 100644 libio/tst-memstream.h
create mode 100644 libio/tst-memstream4.c
create mode 100644 libio/tst-wmemstream4.c
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Subject: [Bug stdio/21037] open_memstream and freopen
Date: Tue, 02 Oct 2018 13:28:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (commit 0b727ed4d605d9318cb0d323c88abb0d5a441a9b).
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>From glibc-bugs-return-43396-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 02 13:33:07 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Tue, 02 Oct 2018 13:33:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |jakob_sellgren at yahoo dot se
--- Comment #39 from Carlos O'Donell <carlos at redhat dot com> ---
*** Bug 23447 has been marked as a duplicate of this bug. ***
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/23447] echo w | grep '[a-z] not working in swedish locale
Date: Tue, 02 Oct 2018 13:33:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|INVALID |DUPLICATE
--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Rici Lake from comment #4)
> The simple solution would be to move lines 106 through 116 of
> localedata/locales/sv_SE
> (https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/locales/sv_SE;
> h=aa28c23776408e593890883ebb4c8d70b971fe15;
> hb=159738548130d5ac4fe6178977e940ed5f8cfdc4#l106) out of the reorder-after
> <AFTER-Z> section, and reinsert the reorder-after blocks which were present
> in v2.27, placing `W` after `V` and `w` after `v`.
This is equivalent to supporting rational ranges:
"Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale."
https://sourceware.org/bugzilla/show_bug.cgi?id=23393
I'm marking this as a duplicate of that bug.
*** This bug has been marked as a duplicate of bug 23393 ***
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Subject: [Bug build/19444] build failures with -O1 due to -Wmaybe-uninitialized
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--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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Author: Martin Jansa <Martin.Jansa@gmail.com>
Date: Tue Oct 2 15:38:43 2018 +0000
sysdeps/ieee754/soft-fp: ignore maybe-uninitialized with -O [BZ #19444]
* with -O, -O1, -Os it fails with:
In file included from ../soft-fp/soft-fp.h:318,
from ../sysdeps/ieee754/soft-fp/s_fdiv.c:28:
../sysdeps/ieee754/soft-fp/s_fdiv.c: In function '__fdiv':
../soft-fp/op-2.h:98:25: error: 'R_f1' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) \
^~
../sysdeps/ieee754/soft-fp/s_fdiv.c:38:14: note: 'R_f1' was declared here
FP_DECL_D (R);
^
../soft-fp/op-2.h:37:36: note: in definition of macro '_FP_FRAC_DECL_2'
_FP_W_TYPE X##_f0 _FP_ZERO_INIT, X##_f1 _FP_ZERO_INIT
^
../soft-fp/double.h:95:24: note: in expansion of macro '_FP_DECL'
# define FP_DECL_D(X) _FP_DECL (2, X)
^~~~~~~~
../sysdeps/ieee754/soft-fp/s_fdiv.c:38:3: note: in expansion of macro
'FP_DECL_D'
FP_DECL_D (R);
^~~~~~~~~
../soft-fp/op-2.h:101:17: error: 'R_f0' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
: (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0)); \
^~
../sysdeps/ieee754/soft-fp/s_fdiv.c:38:14: note: 'R_f0' was declared here
FP_DECL_D (R);
^
../soft-fp/op-2.h:37:14: note: in definition of macro '_FP_FRAC_DECL_2'
_FP_W_TYPE X##_f0 _FP_ZERO_INIT, X##_f1 _FP_ZERO_INIT
^
../soft-fp/double.h:95:24: note: in expansion of macro '_FP_DECL'
# define FP_DECL_D(X) _FP_DECL (2, X)
^~~~~~~~
../sysdeps/ieee754/soft-fp/s_fdiv.c:38:3: note: in expansion of macro
'FP_DECL_D'
FP_DECL_D (R);
^~~~~~~~~
Build tested with Yocto for ARM, AARCH64, X86, X86_64, PPC, MIPS, MIPS64
with -O, -O1, -Os.
For AARCH64 it needs one more fix in locale for -Os.
[BZ #19444]
* sysdeps/ieee754/soft-fp/s_fdiv.c: Include <libc-diag.h> and use
DIAG_PUSH_NEEDS_COMMENT, DIAG_IGNORE_NEEDS_COMMENT and
DIAG_POP_NEEDS_COMMENT to disable -Wmaybe-uninitialized.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/ieee754/soft-fp/s_fdiv.c | 12 ++++++++++++
2 files changed, 19 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23584] math/test-ildouble-fma, math/test-ldouble-fma test suite failures on ppc64le
Date: Tue, 02 Oct 2018 17:18:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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from 4a06ceea33ecc220bbfe264d8f1e74de2f04e90d (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f346b5b38ce83ebc832590273e134c53adc06f21
commit f346b5b38ce83ebc832590273e134c53adc06f21
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Oct 2 17:17:15 2018 +0000
Add more fma tests.
In my review
<https://sourceware.org/ml/libc-alpha/2018-06/msg00375.html> of a
patch for bug 23584, I expressed concern that the proposed changes
didn't deal with certain cases similar to the ones in the bug but
where test coverage was missing.
This patch adds such tests of fma (Inf, finite, finite) and fma
(finite, Inf, finite) to libm-test-fma.inc. It does *not* do anything
to fix the bug, simply adds test coverage to provide stronger evidence
of whether any proposed revised fix does address the cases I was
concerned with.
Tested for x86_64 and x86.
* math/libm-test-fma.inc (fma_test_data): Add more tests.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 4 +
math/libm-test-fma.inc | 193 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 197 insertions(+), 0 deletions(-)
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Tue, 02 Oct 2018 20:17:00 -0000
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--- Comment #4 from hpa at zytor dot com <hpa at zytor dot com> ---
The problem with just dropping the existing Bxxx constants is that they are an
ABI, and at least without versioning the interfaces it will break legacy
applications.
We can do that, of course, if that's the way to go. The new interfaces would
then always treat the value as an integer, and e.g. B300 == 300.
The reason the POSIX interfaces are fundamentally broken is that they rely on
an enumeration of values which are simple integers (or even really arbitrary
real numbers.) Instead of having cf*speed() abstract this out, they exposed it
to applications, and didn't even provide a mean to enumerate available values.
So the POSIX interfaces as they currently sit are broken, and there is no way
for a portable application to be able to do things sanely at all. This would
be the reason to get POSIX to add new interfaces, which would also take the
place of the versioned interface I mentioned above. It would be the
responsibility of new POSIX implementations to properly abstract this out; the
implementation is trivial even if arbitrary rates aren't natively supported
(just a table lookup and, for the setting interface, an error return.)
For implementations which already do it sanely (B300 == 300 etc), those would
simply be aliases for the current implementations.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Tue, 02 Oct 2018 20:30:00 -0000
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--- Comment #5 from hpa at zytor dot com <hpa at zytor dot com> ---
To answer a few more questions:
1. All future Linux ports are required to use the new generic ABI definitions
(defined in include/uapi/asm-generic). This is intended to permanently
address the issue of platform-specific ABIs (which was an artifact of
the misguided idea of providing binary compatibility with legacy Unices
on some platforms.)
So all future platforms will support termios2.
2. After doing some digging, it seems like the only platform that doesn't
support termios2 is Alpha... ironically because it had c_ispeed and
c_ospeed in its termios structure already. However, at least somewhere
along the line, the kernel infrastructure for supporting this as a one-
off without BOTHER seems to have broken. I have contacted the serial
and Alpha maintainers and proposed a very simple solution, but it would of
course only work on new enough kernels.
Final question:
What platforms and Linux kernel versions does glibc support these days?
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Tue, 02 Oct 2018 20:53:00 -0000
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--- Comment #6 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to hpa@zytor.com from comment #4)
> The problem with just dropping the existing Bxxx constants is that they are
> an ABI, and at least without versioning the interfaces it will break legacy
> applications.
>
> We can do that, of course, if that's the way to go. The new interfaces
> would then always treat the value as an integer, and e.g. B300 == 300.
>
> The reason the POSIX interfaces are fundamentally broken is that they rely
> on an enumeration of values which are simple integers (or even really
> arbitrary real numbers.) Instead of having cf*speed() abstract this out,
> they exposed it to applications, and didn't even provide a mean to enumerate
> available values.
>
> So the POSIX interfaces as they currently sit are broken, and there is no
> way for a portable application to be able to do things sanely at all. This
> would be the reason to get POSIX to add new interfaces, which would also
> take the place of the versioned interface I mentioned above. It would be
> the responsibility of new POSIX implementations to properly abstract this
> out; the implementation is trivial even if arbitrary rates aren't natively
> supported (just a table lookup and, for the setting interface, an error
> return.)
>
> For implementations which already do it sanely (B300 == 300 etc), those
> would simply be aliases for the current implementations.
(In reply to hpa@zytor.com from comment #4)
> The problem with just dropping the existing Bxxx constants is that they are
> an ABI, and at least without versioning the interfaces it will break legacy
> applications.
If dropping Bxxx constants is the preferred option, breaking legacy application
is not an option.
>
> We can do that, of course, if that's the way to go. The new interfaces
> would then always treat the value as an integer, and e.g. B300 == 300.
>
> The reason the POSIX interfaces are fundamentally broken is that they rely
> on an enumeration of values which are simple integers (or even really
> arbitrary real numbers.) Instead of having cf*speed() abstract this out,
> they exposed it to applications, and didn't even provide a mean to enumerate
> available values.
AFAIU POSIX does not state Bxxx constants should be an enumeration, but rather
symbolic constants.
>
> So the POSIX interfaces as they currently sit are broken, and there is no
> way for a portable application to be able to do things sanely at all. This
> would be the reason to get POSIX to add new interfaces, which would also
> take the place of the versioned interface I mentioned above. It would be
> the responsibility of new POSIX implementations to properly abstract this
> out; the implementation is trivial even if arbitrary rates aren't natively
> supported (just a table lookup and, for the setting interface, an error
> return.)
>
> For implementations which already do it sanely (B300 == 300 etc), those
> would simply be aliases for the current implementations.
I think there are two issues here:
1. glibc does not use termios2, so arbitrary baud rates are not supported
even then some non-POSIX Bxxx are currently defined.
2. Current POSIX termios interface imposes ABI constrains where new arbitrary
baud rates might incur in some ABI breakage.
For 1. what really prevents us to use symbols versioning to maintain old
semantic for legacy binaries, and use new termios2 as default generic Linux
termios ABI (so arbitrary baud rates works seamlessly)?
For 2. I assume what you meant by 'a portable application to be able to do
things sanely at all' is for systems systems without symbol versioning, where
legacy application are inherent broken for such changes. This is not the case
for glibc, and although I do see advantages in cleanup the termios ABI on
future POSIX specification, I don't see why we can't use 1.2. to fix this
specific issue.
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to hpa@zytor.com from comment #5)
> To answer a few more questions:
>
> 1. All future Linux ports are required to use the new generic ABI definitions
> (defined in include/uapi/asm-generic). This is intended to permanently
> address the issue of platform-specific ABIs (which was an artifact of
> the misguided idea of providing binary compatibility with legacy Unices
> on some platforms.)
>
> So all future platforms will support termios2.
>
> 2. After doing some digging, it seems like the only platform that doesn't
> support termios2 is Alpha... ironically because it had c_ispeed and
> c_ospeed in its termios structure already. However, at least somewhere
> along the line, the kernel infrastructure for supporting this as a one-
> off without BOTHER seems to have broken. I have contacted the serial
> and Alpha maintainers and proposed a very simple solution, but it would of
> course only work on new enough kernels.
Thanks, and it seems again we will need to add arch-specific code to
accommodate a legacy platform.
> Final question:
>
> What platforms and Linux kernel versions does glibc support these days?
Current we support a minimum of 3.2 kernel and the following architectures
(using Linux terminology):
alpha
arm
arm64
ia64
m68k
microblaze
mips
nios2
parisc (32-bits userland)
powerpc
riscv
s390
sh
sparc
x86
For some architecture we also support multiple ABI variants.
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Subject: [Bug localedata/20209] spelling mistake for sunday in Greenlandic kl_GL
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https://sourceware.org/bugzilla/show_bug.cgi?id=20209
Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
See Also| |https://unicode.org/cldr/tr
| |ac/ticket/11453
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Thank you for your report, Pilutak. I contacted Oqaasileriffik and they have
confirmed that "sapaat" is the correct spelling. I'm pushing the fix to master
and closing this bug report.
I've also filed a ticket in CLDR.
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>From glibc-bugs-return-43404-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 02 21:58:49 2018
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Subject: [Bug localedata/20209] spelling mistake for sunday in Greenlandic kl_GL
Date: Tue, 02 Oct 2018 21:58:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via dae3ed958c3d0090838e49ff4f78c201262b1cf0 (commit)
from f346b5b38ce83ebc832590273e134c53adc06f21 (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dae3ed958c3d0090838e49ff4f78c201262b1cf0
commit dae3ed958c3d0090838e49ff4f78c201262b1cf0
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
localedata/locales/kl_GL | 4 ++--
2 files changed, 10 insertions(+), 2 deletions(-)
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Subject: [Bug string/5806] wrong comment in strlen() and other functions
Date: Tue, 02 Oct 2018 22:47:00 -0000
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The branch, azanella/generic-strings has been created
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=af69c5ba72b80b2bc937243801349eb197ad5553
commit af69c5ba72b80b2bc937243801349eb197ad5553
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Feb 21 17:14:16 2017 -0300
sh: Add string-fzb.h
Use the SH cmp/str on has_{zero,eq,zero_eq}.
Checked on sh4-linux-gnu.
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/sh/string-fzb.h: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16f899cfa103a17c08c3b2f61a8d40f4f5e914a6
commit 16f899cfa103a17c08c3b2f61a8d40f4f5e914a6
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:26:18 2017 -0200
powerpc: Add string-fza.h
While ppc has the more important string functions in assembly,
there are still a few generic routines used.
Use the Power 6 CMPB insn for testing of zeros.
Checked on powerpc64le-linux-gnu.
Richard Henderson <rth@twiddle.net>
* sysdeps/powerpc/string-fza.h: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4de86538e47d0b7fe56678b22f05550900e3b87a
commit 4de86538e47d0b7fe56678b22f05550900e3b87a
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:24:23 2017 -0200
arm: Add string-fza.h
While arm has the more important string functions in assembly,
there are still a few generic routines used.
Use the UQSUB8 insn for testing of zeros.
Checked on armv7-linux-gnueabihf
Richard Henderson <rth@twiddle.net>
* sysdeps/arm/armv6t2/string-fza.h: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38cd3552d8b6df18b14b4625ef29ae9e27f9a704
commit 38cd3552d8b6df18b14b4625ef29ae9e27f9a704
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:23:27 2017 -0200
alpha: Add string-fzb.h and string-fzi.h
While alpha has the more important string functions in assembly,
there are still a few for find the generic routines are used.
Use the CMPBGE insn, via the builtin, for testing of zeros. Use a
simplified expansion of __builtin_ctz when the insn isn't available.
Checked on alpha-linux-gnu.
Richard Henderson <rth@twiddle.net>
* sysdeps/alpha/string-fzb.h: New file.
* sysdeps/alpha/string-fzi.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=70ea2db81287ba26a33960568f325ebfbd7479ef
commit 70ea2db81287ba26a33960568f325ebfbd7479ef
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:22:39 2017 -0200
hppa: Add string-fzb.h and string-fzi.h
Use UXOR,SBZ to test for a zero byte within a word. While we can
get semi-decent code out of asm-goto, we would do slightly better
with a compiler builtin.
For index_zero et al, sequential testing of bytes is less expensive than
any tricks that involve a count-leading-zeros insn that we don't have.
Checked on hppa-linux-gnu.
Richard Henderson <rth@twiddle.net>
* sysdeps/hppa/string-fzb.h: New file.
* sysdeps/hppa/string-fzi.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f84429390ba38906bc7438f0035f81d207f2ab0
commit 7f84429390ba38906bc7438f0035f81d207f2ab0
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:22:02 2017 -0200
hppa: Add memcopy.h
GCC's combine pass cannot merge (x >> c | y << (32 - c)) into a
double-word shift unless (1) the subtract is in the same basic block
and (2) the result of the subtract is used exactly once. Neither
condition is true for any use of MERGE.
By forcing the use of a double-word shift, we not only reduce
contention on SAR, but also allow the setting of SAR to be hoisted
outside of a loop.
Checked on hppa-linux-gnu.
Richard Henderson <rth@twiddle.net>
* sysdeps/hppa/memcopy.h: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c9181a2ed5c336e080c6751a117e2f5e533ca06a
commit c9181a2ed5c336e080c6751a117e2f5e533ca06a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.com>
Date: Wed Mar 8 16:56:17 2017 +0100
string: Improve generic strcpy
New generic implementation tries to use word operations along with
the new string-fz{b,i} functions even for inputs with different
alignments (with still uses aligned access plus merge operation
to get a correct word by word comparison).
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* string/strcpy.c: Rewrite using memcopy.h, string-fzb.h,
string-fzi.h.
* string/test-strcpy.c (test_main): Add more coverage.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=550081c1e4d6263b1b641a0ef50eb6002ada4019
commit 550081c1e4d6263b1b641a0ef50eb6002ada4019
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:21:26 2017 -0200
string: Improve generic strcmp
New generic implementation tries to use word operations along with
the new string-fz{b,i} functions even for inputs with different
alignments (with still uses aligned access plus merge operation
to get a correct word by word comparison).
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* string/strcmp.c: Rewrite using memcopy.h, string-fzb.h,
string-fzi.h.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b9121635b413aa6584b385b7135803f868cf6673
commit b9121635b413aa6584b385b7135803f868cf6673
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:19:40 2017 -0200
string: Improve generic strchrnul
New algorithm have the following key differences:
- Reads first word unaligned and use string-maskoff function to
remove unwanted data. This strategy follow assemble optimized
ones for aarch64, powerpc and tile.
- Use string-fz{b,i} functions.
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
[BZ #5806]
* string/strchrnul.c: Use string-fzb.h, string-fzi.h.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5e8d99f2a619b38f27092f286ad06ccf690f5d0b
commit 5e8d99f2a619b38f27092f286ad06ccf690f5d0b
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:18:48 2017 -0200
string: Improve generic strchr
New algorithm have the following key differences:
- Reads first word unaligned and use string-maskoff function to
remove unwanted data. This strategy follow assemble optimized
ones for aarch64 and powerpc.
- Use string-fz{b,i} and string-extbyte function.
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
[BZ #5806]
* string/strchr.c: Use string-fzb.h, string-fzi.h, string-extbyte.h.
* sysdeps/s390/multiarch/strchr-c.c: Redefine weak_alias.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df07959c3721e083e10aaa4c3c1b9a483f9955fa
commit df07959c3721e083e10aaa4c3c1b9a483f9955fa
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Feb 16 16:21:03 2017 -0200
string: Improve generic strnlen
With an optimized memchr, new strnlen implementation basically calls
memchr and adjust the result pointer value.
It also cleanups the multiple inclusion by leaving the ifunc
implementation to undef the weak_alias and libc_hidden_def.
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
[BZ #5806]
* string/strnlen.c: Rewrite in terms of memchr.
* sysdeps/i386/i686/multiarch/strnlen-c.c: Redefine weak_alias
and libc_hidden_def.
* sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-ppc32.c:
Likewise.
* sysdeps/s390/multiarch/strnlen-c.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bdd041c15306e91a9cc4d26975e73a7a7d84742b
commit bdd041c15306e91a9cc4d26975e73a7a7d84742b
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:20:35 2017 -0200
string: Improve generic memrchr
New algorithm have the following key differences:
- Use string-fz{b,i} functions.
It also cleanups the multiple inclusion by leaving the ifunc
implementation to undef the weak_alias.
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
[BZ #5806]
* string/memrchr.c: Use string-fzb.h, string-fzi.h.
* sysdeps/i386/i686/multiarch/memrchr-c.c: Redefined weak_alias.
* sysdeps/s390/multiarch/memrchr-c.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=01c324107db27294a46141414fdc1094686f5508
commit 01c324107db27294a46141414fdc1094686f5508
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:19:12 2017 -0200
string: Improve generic memchr
New algorithm have the following key differences:
- Reads first word unaligned and use string-maskoff function to
remove unwanted data. This strategy follow assemble optimized
ones for aarch64, powerpc and tile.
- Use string-fz{b,i} and string-opthr functions.
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
[BZ #5806]
* string/memchr.c: Use string-fzb.h, string-fzi.h, string-opthr.h.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c1dd2be8155f7277d5604f5d91fc2d4a0fc03fd4
commit c1dd2be8155f7277d5604f5d91fc2d4a0fc03fd4
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:18:24 2017 -0200
string: Improve generic strlen
New algorithm have the following key differences:
- Reads first word unaligned and use string-maskoff functions to
remove unwanted data. This strategy follow assemble optimized
ones for powerpc, sparc, and SH.
- Use of has_zero and index_first_zero parametrized functions.
Checked on x86_64-linux-gnu, i686-linux-gnu, sparc64-linux-gnu,
and sparcv9-linux-gnu by removing the arch-specific assembly
implementation and disabling multi-arch (it covers both LE and BE
for 64 and 32 bits).
[BZ #5806]
* string/strlen.c: Use them.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4725ea128cef7de4faf023898b2b04f9176a2604
commit 4725ea128cef7de4faf023898b2b04f9176a2604
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 8 16:41:43 2018 -0200
Add string vectorized find and detection functions
This patch adds generic string find and detection implementation meant
to be used in generic vectorized string implementation. The idea is to
decompose the basic string operation so each architecture can reimplement
if it provides any specialized hardware instruction.
The 'string-fza.h' provides zero byte detection functions (find_zero_low,
find_zero_all, find_eq_low, find_eq_all, find_zero_eq_low,
find_zero_eq_all,
find_zero_ne_low, and find_zero_ne_all). They are used on both functions
provided by 'string-fzb.h' and 'string-fzi'.
The 'string-fzb.h' provides boolean zero byte detection with the
functions:
- has_zero: determine if any byte within a word is zero.
- has_eq: determine byte equality between two words.
- has_zero_eq: determine if any byte within a word is zero along with
byte equality between two words.
The 'string-fzi.h' provides zero byte detection along with its positions:
- index_first_zero: return index of first zero byte within a word.
- index_first_eq: return index of first byte different between two words.
- index_first_zero_eq: return index of first zero byte within a word or
first byte different between two words.
- index_first_zero_ne: return index of first zero byte within a word or
first byte equal between two words.
- index_last_zero: return index of last zero byte within a word.
- index_last_eq: return index of last byte different between two words.
Also, to avoid libcalls in the '__builtin_c{t,l}z{l}' calls (which may
add performance degradation), inline implementation based on De Bruijn
sequences are added (enabled by a configure check).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* config.h.in (HAVE_BUILTIN_CTZ, HAVE_BUILTIN_CLZ): New defines.
* configure.ac: Check for __builtin_ctz{l} with no external
dependencies
* sysdeps/generic/string-extbyte.h: New file.
* sysdeps/generic/string-fza.h: Likewise.
* sysdeps/generic/string-fzb.h: Likewise.
* sysdeps/generic/string-fzi.h: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eed029d7eeafd01c8488b4cbadef4ec9dad10164
commit eed029d7eeafd01c8488b4cbadef4ec9dad10164
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Feb 23 18:45:54 2017 -0300
Add string-maskoff.h generic header
Macros to operate on unaligned access for string operations:
- create_mask: create a mask based on pointer alignment to sets up
non-zero bytes before the beginning of the word so a following
operation (such as find zero) might ignore these bytes.
- highbit_mask: create a mask with high bit of each byte being 1,
and the low 7 bits being all the opposite of the input.
These macros are meant to be used on optimized vectorized string
implementations.
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/generic/string-maskoff.h: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aedf9dd6eb0995c4f805b0e1a76509ad0379a46d
commit aedf9dd6eb0995c4f805b0e1a76509ad0379a46d
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:15:27 2017 -0200
Parameterize OP_T_THRES from memcopy.h
Basically it moves OP_T_THRES out of memcopy.h to its own header
and adjust each architecture that redefines it.
Checked with a build and check with run-built-tests=no for all major
Linux ABIs (alpha, aarch64, arm, hppa, i686, ia64, m68k, microblaze,
mips, mips64, nios2, powerpc, powerpc64le, s390x, sh4, sparc64,
tilegx, and x86_64).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/generic/memcopy.h (OP_T_THRES): Move...
* sysdeps/generic/string-opthr.h: ... here; new file.
* sysdeps/i386/memcopy.h (OP_T_THRES): Move...
* sysdeps/i386/string-opthr.h: ... here; new file.
* sysdeps/m68k/memcopy.h (OP_T_THRES): Remove.
* string/memcmp.c (OP_T_THRES): Remove definition.
* sysdeps/powerpc/powerpc32/power4/memcopy.h (OP_T_THRES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e5364d387c6a5436015f9083a2b26d68eab0b2ec
commit e5364d387c6a5436015f9083a2b26d68eab0b2ec
Author: Richard Henderson <rth@twiddle.net>
Date: Thu Feb 16 16:14:09 2017 -0200
Parameterize op_t from memcopy.h
Basically moves op_t definition out to an specific header, adds
the attribute 'may-alias', and cleanup its duplicated definitions.
It lead to inclusion of tilegx32 gmp-mparam.h similar to x32 so
op_t can be define as a long long (from _LONG_LONG_LIMB).
Checked with a build and check with run-built-tests=no for all major
Linux ABIs (alpha, aarch64, arm, hppa, i686, ia64, m68k, microblaze,
mips, mips64, nios2, powerpc, powerpc64le, s390x, sh4, sparc64,
tilegx, and x86_64).
Richard Henderson <rth@twiddle.net>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/generic/string-optype.h: New file.
* sysdeps/generic/memcopy.h: Include it.
* string/memcmp.c (op_t): Remove define.
* sysdeps/tile/memcmp.c (op_t): Likewise.
* sysdeps/tile/memcopy.h (op_t): Likewise.
* sysdeps/tile/tilegx32/gmp-mparam.h: New file.
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>From glibc-bugs-return-43406-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 02 22:48:52 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/5806] wrong comment in strlen() and other functions
Date: Tue, 02 Oct 2018 22:48:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #13 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to joseph@codesourcery.com from comment #11)
> In my view, the right approach for this issue is a general overhaul of the
> generic string functions as in Richard Henderson's / Adhemerval Zanella's
> patchset <https://sourceware.org/ml/libc-alpha/2018-01/msg00318.html>
> (that patchset may not address all instances of that comment, but it
> provides the infrastructure for doing so).
I updated my personal branch rebased against master (it removed tile changes
and fixed some build issues).
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>From glibc-bugs-return-43407-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 03 13:25:49 2018
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From: "amaris at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23733] New: Check the count before calling tcache_get()
Date: Wed, 03 Oct 2018 13:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23733
Bug ID: 23733
Summary: Check the count before calling tcache_get()
Product: glibc
Version: 2.27
Status: NEW
Severity: minor
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: amaris at redhat dot com
Target Milestone: ---
Created attachment 11287
--> https://sourceware.org/bugzilla/attachment.cgi?id=11287&action=edit
tcache overflow
When calling tcache_get() in __libc_malloc(), it is checked (among other
things) that tcache->entries[tc_idx] isn't equal NULL which indicates the
corresponding tcache bin should be empty. However, when the last chunk in
tcache bin gets corrupted (e.g. by use after free or heap buffer overflow) and
pointer to next chunk which is NULL would be overwritten, malloc() will
continue to serve chunks from that tcache bin even if it's empty and
tcache->count[tc_idx] will overflow.
It would be better to check if tcache->count[tc_idx] > 0, either instead or
additionally (even better), which isn't as vulnerable to corruption as metadata
stored in chunks.
The problematic code is at
https://sourceware.org/git/?p=glibc.git;a=blob;f=malloc/malloc.c;h=67cdfd0ad2f003964cd0f7dfe3bcd85ca98528a7;hb=HEAD#l3034
Currently, tcache_get() is called also on two other places, but they should be
fine since they get called only if we put some chunk into corresponding tcache
bin first.
I'm attaching the PoC for demonstration. It was tested on Fedora 28 x86_64 with
glibc 2.27 (but this issue is in most recent glibc code as well if I'm reading
the source code right):
$ ./tcache_overflow
Address of p = 0x13e6260
Address of q = 0x13e6290
p and q were freed
p was corrupted, pointing to q
Addresses of further allocated chunks:
1. chunk: 0x13e6290
2. chunk: 0x13e6260
3. chunk: 0x13e6290
4. chunk: 0x13e6260
5. chunk: 0x13e6290
6. chunk: 0x13e6260
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>From glibc-bugs-return-43408-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 03 15:02:16 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23733] Check the count before calling tcache_get()
Date: Wed, 03 Oct 2018 15:02:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Adam Mariš from comment #0)
> Created attachment 11287 [details]
> tcache overflow
>
> When calling tcache_get() in __libc_malloc(), it is checked (among other
> things) that tcache->entries[tc_idx] isn't equal NULL which indicates the
> corresponding tcache bin should be empty. However, when the last chunk in
> tcache bin gets corrupted (e.g. by use after free or heap buffer overflow)
> and pointer to next chunk which is NULL would be overwritten, malloc() will
> continue to serve chunks from that tcache bin even if it's empty and
> tcache->count[tc_idx] will overflow.
>
> It would be better to check if tcache->count[tc_idx] > 0, either instead or
> additionally (even better), which isn't as vulnerable to corruption as
> metadata stored in chunks.
Adam,
Are you able to post a tested patch for this to libc-alpha?
The fix would also need a test case, a simple program like your PoC but with a
bit more boiler plate e.g. malloc/tst-malloc-backtrace.c which uses
"EXPECTED_SIGNAL SIGABRT" to indicate that a PASS for the test is a SIGABRT
(which is that malloc should abort when it detects corruption).
Once we have a patch and a test I can ask DJ to see if he'll run the simulator
to see if the performance change is measurable for the extra comparison.
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>From glibc-bugs-return-43409-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 03 15:35:26 2018
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Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
Date: Wed, 03 Oct 2018 15:35:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-43410-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 03 15:38:47 2018
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From: "woodard at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23734] New: la_symbind*() doesn't get called when LD_BIND_NOW is set
Date: Wed, 03 Oct 2018 15:38:00 -0000
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Bug ID: 23734
Summary: la_symbind*() doesn't get called when LD_BIND_NOW is
set
Product: glibc
Version: unspecified
Status: NEW
Severity: critical
Priority: P2
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If you tell the linker to bind now and you have an audit library la_symbind()
isn't called.
The problem appears to be that while there is a hook for calling the audit libs
when lazy binding is on, there is no hook for la_symbind when the symbols are
bound at the time of module loading.
1. construct a simple audit library that prints something out when
la_symbind*() is called. Example source code for this can be found in the ld.so
man page and in the glibc test cases.
2. $ LD_BIND_NOW=1 LD_AUDIT=audit.so ./foo
This problem seems to exist in all versions of glibc.
Actual results:
la_symbind isn't called
Expected results:
la_symbind is called.
I suspect that one of the audit failures noted in
https://sourceware.org/bugzilla/show_bug.cgi?id=20708 may already have
unconvered this problem.
This is preventing the most straightforward workaround to
https://sourceware.org/bugzilla/show_bug.cgi?id=23690 If this can be fixed,
then fixing this new problem becomes less urgent.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/16346] mktime: potentially unsafe use of localtime_offset
Date: Wed, 03 Oct 2018 18:02:00 -0000
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--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/make-check has been created
at 38bf3363a7e8942ea1ec02009e3cba4cccae3cfd (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38bf3363a7e8942ea1ec02009e3cba4cccae3cfd
commit 38bf3363a7e8942ea1ec02009e3cba4cccae3cfd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
Now that __time_64_t exists, we can switch internal function
__tz_convert from 32-bit to 64-bit time. This involves switching
some other internal functions and turning some implementations
which use these into wrappers between public 32-bit and internal
64-bit time.
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0437f3bdb78dc7a0ed6df337d95ab24dbc1c664c
commit 0437f3bdb78dc7a0ed6df337d95ab24dbc1c664c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
glibc support for 64-bit time_t on 32-bit architectures
will involve:
- Using 64-bit times inside glibc, with conversions
to and from 32-bit times taking place as necessary
for interfaces using such times.
- Adding 64-bit-time support in the glibc public API.
This support should be dynamic, i.e. iglibc should
provide both 32-bit and 64-bit implementations and
let user code choose at compile time whether to use
the 32-bit or 64-bit interfaces.
This requires a glibc-internal name for a type for times
that are always 64-bit.
To determine whether the default time_t interfaces are 32-bit
and so need conversions, or are 64-bit and so are compatible
with the internal 64-bit type without conversions, a macro
giving the size of the default time_t is also required.
This macro is called __TIMESIZE.
Based on __TIMESIZE, a new macro is defined, __TIME64_T_TYPE,
which is always the right __*_T_TYPE to hold a 64-bit-time.
__TIME64_T_TYPE equals __TIME_T_TYPE if __TIMESIZE equals 64
and equals __SQUAD_T_TYPE otherwise.
__time64_t can then replace uses of internal_time_t.
* bit/time64.h: New file.
* bits/timesize: (__TIMESIZE): New macro.
* include/time.h: replace internal_time_t with __time64_t.
* posix/bits/types (__time64_t): Add.
* stdlib/Makefile: Add bits/time64.h to includes.
* stdlib/Makefile: Add bits/timesize.h to includes.
* sysdeps/unix/sysv/linux/x86/bits/time64.h: New file.
* sysdeps/unix/sysv/linux/x86/bits/timesize.h (__TIMESIZE): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ec94d7c17a496fcd5a8f9107e91df5ce64ed2bbf
commit ec94d7c17a496fcd5a8f9107e91df5ce64ed2bbf
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4a4a170153979bcdcd827590aa249e8c63949b6e
commit 4a4a170153979bcdcd827590aa249e8c63949b6e
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Wed, 03 Oct 2018 18:02:00 -0000
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--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/make-check has been created
at 38bf3363a7e8942ea1ec02009e3cba4cccae3cfd (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38bf3363a7e8942ea1ec02009e3cba4cccae3cfd
commit 38bf3363a7e8942ea1ec02009e3cba4cccae3cfd
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
Now that __time_64_t exists, we can switch internal function
__tz_convert from 32-bit to 64-bit time. This involves switching
some other internal functions and turning some implementations
which use these into wrappers between public 32-bit and internal
64-bit time.
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0437f3bdb78dc7a0ed6df337d95ab24dbc1c664c
commit 0437f3bdb78dc7a0ed6df337d95ab24dbc1c664c
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
glibc support for 64-bit time_t on 32-bit architectures
will involve:
- Using 64-bit times inside glibc, with conversions
to and from 32-bit times taking place as necessary
for interfaces using such times.
- Adding 64-bit-time support in the glibc public API.
This support should be dynamic, i.e. iglibc should
provide both 32-bit and 64-bit implementations and
let user code choose at compile time whether to use
the 32-bit or 64-bit interfaces.
This requires a glibc-internal name for a type for times
that are always 64-bit.
To determine whether the default time_t interfaces are 32-bit
and so need conversions, or are 64-bit and so are compatible
with the internal 64-bit type without conversions, a macro
giving the size of the default time_t is also required.
This macro is called __TIMESIZE.
Based on __TIMESIZE, a new macro is defined, __TIME64_T_TYPE,
which is always the right __*_T_TYPE to hold a 64-bit-time.
__TIME64_T_TYPE equals __TIME_T_TYPE if __TIMESIZE equals 64
and equals __SQUAD_T_TYPE otherwise.
__time64_t can then replace uses of internal_time_t.
* bit/time64.h: New file.
* bits/timesize: (__TIMESIZE): New macro.
* include/time.h: replace internal_time_t with __time64_t.
* posix/bits/types (__time64_t): Add.
* stdlib/Makefile: Add bits/time64.h to includes.
* stdlib/Makefile: Add bits/timesize.h to includes.
* sysdeps/unix/sysv/linux/x86/bits/time64.h: New file.
* sysdeps/unix/sysv/linux/x86/bits/timesize.h (__TIMESIZE): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ec94d7c17a496fcd5a8f9107e91df5ce64ed2bbf
commit ec94d7c17a496fcd5a8f9107e91df5ce64ed2bbf
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:25 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4a4a170153979bcdcd827590aa249e8c63949b6e
commit 4a4a170153979bcdcd827590aa249e8c63949b6e
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Sep 9 09:06:24 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 03 Oct 2018 18:25:00 -0000
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--- Comment #8 from hpa at zytor dot com <hpa at zytor dot com> ---
For some additional information, see:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683826
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 03 Oct 2018 19:33:00 -0000
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--- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
> However, actually, this does not work as described. cfgetspeed
> returns a traditional B9600 value, not the number 9600 (or whatever).
> (cfsetspeed does accept baud rates in bps as documented and converts
> them to magic constants in the struct termios).
> The only way to make this work as documented in the glibc manual would
> be to change the Bnnnn #defines each to have the value nnnn. That
> would break compatibility with programs which know about setting
> c_cflags&CBAUD to Bnnnn. (I think such programs will exist.)
And these programs are not portable if they are setting the speed
by themselves instead of using POSIX defined cf*speed functions.
> I therefore suggest that the specification is wrong. cfget{i,o}speed
> are defined in POSIX to return these Bnnnn constants, and the values
> of the constants can't be changed, so users of cfget{i,o} speed will
> never be able to expect speeds. cfgetispeed and cfgetospeed have to
> continue to return magic constants rather than baud rates.
We do have an option to change Bnnn constans, but it in incur in
tradeoffs. So the options we have are:
1. Change Bnnn constants on Linux to match termios2 expected values,
add compatibility symbols for old semantic, and implement new
termios functions based on termios2 kernel abi. cf*speed might
accept arbitrary values and we can accomodate new POSIX Bnnn
value by mapping directly its integer value.
The drawback is potentially breakage of non-compliant programs
which set the speed direct on termios instead of using POSIX
cf*speed api.
2. Implement a new ABI to return the line speed in the termios
as bits per second, and implement termios functions based on
Linux termios2 kernel ABI. Bxxx functions will continue to
have legacy values, not breaking non-portable application which
may rely on it.
The drawback is would be initially a GNU extension (so another
glibc idiosyncrasy) and it might conflict with possible POSIX
extension if it where proposed for inclusion.
There were previous cases where we kept binary semantic for old
binaries, but removed non-conformant usage in favor of POSIX semantic.
However I am not sure if it worth the potential breakage, specially
on API that has not been changed for some time.
Could I bring this up to libc-alpha so we check which other developers
the best course of action?
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 03 Oct 2018 19:33:00 -0000
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--- Comment #10 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Adhemerval Zanella from comment #9)
> Could I bring this up to libc-alpha so we check which other developers
> the best course of action?
In fact I will do it.
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 03 Oct 2018 19:35:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=10339
--- Comment #11 from hpa at zytor dot com <hpa at zytor dot com> ---
On October 3, 2018 12:33:12 PM PDT, "adhemerval.zanella at linaro dot org"
<sourceware-bugzilla@sourceware.org> wrote:
>https://sourceware.org/bugzilla/show_bug.cgi?id=10339
>
>--- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro
>dot org> ---
>> However, actually, this does not work as described. cfgetspeed
>> returns a traditional B9600 value, not the number 9600 (or whatever).
>> (cfsetspeed does accept baud rates in bps as documented and converts
>> them to magic constants in the struct termios).
>
>> The only way to make this work as documented in the glibc manual
>would
>> be to change the Bnnnn #defines each to have the value nnnn. That
>> would break compatibility with programs which know about setting
>> c_cflags&CBAUD to Bnnnn. (I think such programs will exist.)
>
>And these programs are not portable if they are setting the speed
>by themselves instead of using POSIX defined cf*speed functions.
>
>> I therefore suggest that the specification is wrong. cfget{i,o}speed
>> are defined in POSIX to return these Bnnnn constants, and the values
>> of the constants can't be changed, so users of cfget{i,o} speed will
>> never be able to expect speeds. cfgetispeed and cfgetospeed have to
>> continue to return magic constants rather than baud rates.
>
>We do have an option to change Bnnn constans, but it in incur in
>tradeoffs. So the options we have are:
>
> 1. Change Bnnn constants on Linux to match termios2 expected values,
> add compatibility symbols for old semantic, and implement new
> termios functions based on termios2 kernel abi. cf*speed might
> accept arbitrary values and we can accomodate new POSIX Bnnn
> value by mapping directly its integer value.
>
> The drawback is potentially breakage of non-compliant programs
> which set the speed direct on termios instead of using POSIX
> cf*speed api.
>
> 2. Implement a new ABI to return the line speed in the termios
> as bits per second, and implement termios functions based on
> Linux termios2 kernel ABI. Bxxx functions will continue to
> have legacy values, not breaking non-portable application which
> may rely on it.
>
> The drawback is would be initially a GNU extension (so another
> glibc idiosyncrasy) and it might conflict with possible POSIX
> extension if it where proposed for inclusion.
>
>There were previous cases where we kept binary semantic for old
>binaries, but removed non-conformant usage in favor of POSIX semantic.
>However I am not sure if it worth the potential breakage, specially
>on API that has not been changed for some time.
>
>Could I bring this up to libc-alpha so we check which other developers
>the best course of action?
Please do.
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23735] New: libnldbl_nonshared.a references internal libm symbols
Date: Wed, 03 Oct 2018 21:52:00 -0000
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Bug ID: 23735
Summary: libnldbl_nonshared.a references internal libm symbols
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
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The redirection of built-in functions such as sqrt in include/math.h applies
when the wrappers for those functions in libnldbl_nonshared.a are built,
resulting in references to internal names such as __ieee754_sqrt that aren't
actually exported from the shared libm. (This applies for sqrt in 2.28, also
for the round-to-integer functions in current master because of my changes
there.)
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>From glibc-bugs-return-43418-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 04 08:13:10 2018
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Subject: [Bug nss/23737] New: [bisected] nss_files returns EINVAL on getpwent()
Date: Thu, 04 Oct 2018 08:13:00 -0000
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Bug ID: 23737
Summary: [bisected] nss_files returns EINVAL on getpwent()
Product: glibc
Version: 2.28
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Originally observed by Reuben Farrelly in
https://bugs.gentoo.org/667118
The reproducer:
// $ cat a.c
#include <sys/types.h>
#include <pwd.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
int main() {
struct passwd * pw;
for (;;) {
errno = 0;
pw = getpwent ();
if (pw == NULL)
break;
if (errno != 0)
break;
}
if (errno != 0) {
printf("fail: %m (errno=%u)\n", errno);
}
}
$ gcc a.c -o a && ./a
fail: Invalid argument (errno=22)
Also reproducible on git master when running as:
gcc a.c -o a && ./elf/ld.so --inhibit-cache --library-path .:nss ./a
glibc-2.27 used to work. I bisected it down to:
916124ed841745b7a1e0fbc43f9909340b47d373 is the first bad commit
commit 916124ed841745b7a1e0fbc43f9909340b47d373
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Jul 6 14:23:15 2018 +0200
nss_files: Fix re-reading of long lines [BZ #18991]
Use the new __libc_readline_unlocked function to pick up
reading at the same line in case the buffer needs to be enlarged.
Sounds relevant.
/etc/nsswitch.conf used:
passwd: files
shadow: files
group: files
hosts: files dns
networks: files dns
services: db files
protocols: db files
rpc: db files
ethers: db files
netmasks: files
netgroup: files
bootparams: files
automount: files
aliases: files
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Subject: [Bug nss/23737] [bisected] nss_files returns EINVAL on getpwent()
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Sergei Trofimovich <slyfox at inbox dot ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
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Subject: [Bug nss/23737] [bisected] nss_files returns EINVAL on getpwent()
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
You are checking errno when getpwent didn't fail. That doesn't produce a
defined value.
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Subject: [Bug nss/23737] [bisected] nss_files returns EINVAL on getpwent()
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #1)
> You are checking errno when getpwent didn't fail. That doesn't produce a
> defined value.
I agree, this doesn't look like something that can be supported, and I'm pretty
sure the old code could clobber errno under the right circumstances, too.
We have other errno-related problems in NSS functions (see bug 21898), but this
does not seem to be one of them.
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Subject: [Bug math/23735] libnldbl_nonshared.a references internal libm symbols
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a19876214aa9a82ab5fe3e94f6cd3ddad88f3abc
commit a19876214aa9a82ab5fe3e94f6cd3ddad88f3abc
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 4 12:16:05 2018 +0000
Fix libnldbl_nonshared.a references to internal libm symbols (bug 23735).
The redirection of built-in functions such as sqrt in include/math.h
applies when the wrappers for those functions in libnldbl_nonshared.a
are built, resulting in references to internal names such as
__ieee754_sqrt that aren't actually exported from the shared libm.
(This applies for sqrt in 2.28, also for the round-to-integer
functions in current master because of my changes there.) This patch
arranges for NO_MATH_REDIRECT to be used for all the affected
functions, and adds a test for those functions in
libnldbl_nonshared.a.
(We could of course choose to obsolete libnldbl_nonshared.a and
require that people building with -mlong-double-64 either include the
relevant headers and have a compiler supporting asm redirection, or
have some other means of achieving that redirection at compile time if
not including those headers. But while we have libnldbl_nonshared.a,
it seems appropriate to fix such bugs in it.)
Tested for powerpc, and with build-many-glibcs.py.
[BZ #23735]
* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (NO_MATH_REDIRECT):
Define.
* sysdeps/ieee754/ldbl-opt/test-nldbl-redirect.c: New file.
* sysdeps/ieee754/ldbl-opt/Makefile [$(subdir) = math] (tests):
Add test-nldbl-redirect.
[$(subdir) = math] (CFLAGS-test-nldbl-redirect.c): New variable.
[$(subdir) = math] ($(objpfx)test-nldbl-redirect): Depend on
$(objpfx)libnldbl_nonshared.a.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 +++++++
sysdeps/ieee754/ldbl-opt/Makefile | 5 ++-
sysdeps/ieee754/ldbl-opt/nldbl-compat.h | 4 ++
.../ieee754/ldbl-opt/test-nldbl-redirect.c | 35 +++++++++-----------
4 files changed, 36 insertions(+), 20 deletions(-)
copy elf/tst-ifunc-textrel.c => sysdeps/ieee754/ldbl-opt/test-nldbl-redirect.c
(61%)
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>From glibc-bugs-return-43423-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 04 12:18:51 2018
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Subject: [Bug math/23735] libnldbl_nonshared.a references internal libm symbols
Date: Thu, 04 Oct 2018 12:18:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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Subject: [Bug glob/22513] If patterns has a trailing slash then glob has to match directories only
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |fweimer at redhat dot com
Resolution|--- |DUPLICATE
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in glibc 2.19.
*** This bug has been marked as a duplicate of bug 10278 ***
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Subject: [Bug libc/10278] glob() gives inconsistent results with trailing "/"
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |dgoncharov at users dot sf.net
--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 22513 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-43426-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 04 18:36:26 2018
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From: "slyfox at inbox dot ru" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nss/23737] [bisected] nss_files returns EINVAL on getpwent()
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Sergei Trofimovich <slyfox at inbox dot ru> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from Sergei Trofimovich <slyfox at inbox dot ru> ---
(In reply to Florian Weimer from comment #2)
> (In reply to Andreas Schwab from comment #1)
> > You are checking errno when getpwent didn't fail. That doesn't produce a
> > defined value.
>
> I agree, this doesn't look like something that can be supported, and I'm
> pretty sure the old code could clobber errno under the right circumstances,
> too.
>
> We have other errno-related problems in NSS functions (see bug 21898), but
> this does not seem to be one of them.
Oh, that is very subtle. But makes sense.
Apologies for the noise and thanks for quick response!
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>From glibc-bugs-return-43427-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 04 21:59:44 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23740] New: kl_GL: Month names need update
Date: Thu, 04 Oct 2018 21:59:00 -0000
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Bug ID: 23740
Summary: kl_GL: Month names need update
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Continuing my email conversation with Oqaasileriffik here is an updated list of
month names which I have received from them, taking the most recent updates on
their ortography into account.
Greenlandic month names (as named by themselves, altmon array):
januaari
februaari
marsi
apriili
maaji
juuni
juuli
aggusti
septembari
oktobari
novembari
decembari
Abbreviated month names (abmon):
jan.
febr.
mar.
apr.
maj
jun.
jul.
aug.
sept.
okt.
nov.
dec.
Also they have confirmed that inflection exists in the Greenlandic language so
the correct case to use when displaying a date is the relative case (this
should go to the mon array):
januaarip
februaarip
marsip
apriilip
maajip
juunip
juulip
aggustip
septembarip
oktobarip
novembarip
decembarip
The correct date format is MDY, for example:
oktobarip 4-at 2018
While at this, the suffix "-at" is sometimes "-at" and sometimes "-iat", we
can't handle this at the moment.
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>From glibc-bugs-return-43428-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 05 10:35:40 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Fri, 05 Oct 2018 10:35:00 -0000
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--- Comment #31 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11289
--> https://sourceware.org/bugzilla/attachment.cgi?id=11289&action=edit
screenshot of the ISO 9:1995/GOST_7.79_System_B cyrillic transliteration table
(Ru)
for a quick look up. source: http://transliteration.ru/gost-7-79-2000/
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>From glibc-bugs-return-43429-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 05 15:02:51 2018
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Subject: [Bug malloc/23741] New: Missing __attribute_alloc_size__ in many allocation functions
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Bug ID: 23741
Summary: Missing __attribute_alloc_size__ in many allocation
functions
Product: glibc
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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
int main(void)
{
void *f = malloc(SIZE_MAX);
if(!f)
return 1;
free(f);
return 0;
}
If you compile any code that uses *alloc functions with -fno-builtin or
-fno-builtin-malloc you will not get useful warnings from GCC like
c.c:11:15: warning: argument 1 value ‘18446744073709551615’ exceeds maximum
object size 9223372036854775807 [-Walloc-size-larger-than=]
This happens because stdlib.h / malloc.h lacks of
__attribute_alloc_size__ annocations for functions malloc, calloc, realloc,
reallocarray.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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Egor Kobylkin <egor at kobylkin dot com> changed:
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----------------------------------------------------------------------------
Attachment #8590|0 |1
is obsolete| |
--- Comment #32 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11290
--> https://sourceware.org/bugzilla/attachment.cgi?id=11290&action=edit
the LibreOffice Calc spreadsheet used to create the translit_cyrillic file with
the transliteration
This version implements the ISO 9:1995/GOST_7.79 System A and System B Cyrillic
transliteration table. The System B is extended from GOST_7.79 using open
sources of transliteration mapping.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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Egor Kobylkin <egor at kobylkin dot com> changed:
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----------------------------------------------------------------------------
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is obsolete| |
--- Comment #33 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11291
--> https://sourceware.org/bugzilla/attachment.cgi?id=11291&action=edit
Transliteration table Cyrillic->Latin with fallback to ASCII
Now it has System A (Latin Script) as a first option and System B (ASCII) as a
second option for each entry.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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is obsolete| |
--- Comment #34 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11292
--> https://sourceware.org/bugzilla/attachment.cgi?id=11292&action=edit
Transliteration table Cyrillic->Latin with fallback to ASCII
Now it has System A (Latin Script) as a first option and System B (ASCII) as a
second option for each entry. Added some explanation and reference to ISO
9.1995 as a comment.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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--- Comment #35 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11293
--> https://sourceware.org/bugzilla/attachment.cgi?id=11293&action=edit
test file for https://sourceware.org/glibc/wiki/Locales#Testing_Locales
Now with the characters from ISO 9.1995 GOST 7.79_System_A that go beyond
current Russian alphabet and hopefully cover all relevant Cyrillic letters for
transliteration.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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--- Comment #36 from Egor Kobylkin <egor at kobylkin dot com> ---
https://sourceware.org/ml/libc-locales/2018-q4/msg00013.html
After some kind help from Marko in the offline discussion
I realized the multi/single character approach I originally took was
against the of the iconv(1) logic anyway. So there is no harm in
dropping it and adopting Marko's suggestion instead. I will do so and
will resubmit the patch with ISO 9:1995/GOST 7.79 System A + fallback to
GOST 7.79 System B (for ASCII).
However this doesn't resolve the issue for ASCII part being different
for various locales. Again, I am offering the locale maintainers to let
me know if they want to 1) adopt the one I am supplying, 2) write their
own or 3) ignore the patch altogether. Your feedback is appreciated!
This is the relevant part that helped:
> The first part (ISO-8859-15 or ASCII) defines the target encoding for
> iconv(1). //TRANSLIT is described in the iconv(1) man page as:
>
> If the string //TRANSLIT is appended to to-encoding, characters
> being converted are transliterated when needed and possible. This
> means that when a character cannot be represented in the target
> character set, it can be approximated through one or sev†eral
> similar looking characters. Characters that are outside of the
> target character set and cannot be transliterated are replaced
> with a question mark (?) in the output.
>
> So in the above examples, iconv(1) encounters the character U+0428
> which is not part of either of the target encoding and since
> //TRANSLIT is specified, iconv(1) tries transliteration according to
> the rules defined above, in case of ASCII U+0160 is not part of the
> target encoding so the next alternative is used.
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Sat, 06 Oct 2018 22:47:00 -0000
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--- Comment #12 from hpa at zytor dot com <hpa at zytor dot com> ---
...
Current we support a minimum of 3.2 kernel and the following architectures
(using Linux terminology):
alpha
...
So on the kernel side we have done some archaeology and found out that Alpha is
the ONLY architecture which hasn't supported these features as far back as 3.2.
It seems Alpha was left out because of lack of clarity between the Alpha and
tty maintainers, which then never got addressed.
Alpha is a historic architecture at this point -- the last Alpha chip was the
EV7z which was released 14 years ago. I am wondering to what extent anyone
cares enough to worry about support for new glibc on old Alpha kernels at this
point; I kind of suspect the number of Alpha Linux users can be counted on two
hand's fingers.
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Subject: [Bug regex/23744] New: regex refactorings to remove BE, avoid duplication
Date: Sun, 07 Oct 2018 22:39:00 -0000
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Bug ID: 23744
Summary: regex refactorings to remove BE, avoid duplication
Product: glibc
Version: 2.28
Status: NEW
Severity: minor
Priority: P2
Component: regex
Assignee: unassigned at sourceware dot org
Reporter: eggert at cs dot ucla.edu
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11294
--> https://sourceware.org/bugzilla/attachment.cgi?id=11294&action=edit
Replace BE/__builtin_expect with __glibc_likely and __glibc_unlikely
I'll attach two patches that do not change regex behavior, just make it easier
to maintain. The first replaces uses of the BE macro (short for
__builtin_expect) with the current style __glibc_likely and __glibc_unlikely.
The second avoids code duplication with intprops.h.
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Subject: [Bug regex/23744] regex refactorings to remove BE, avoid duplication
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----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |eggert at cs dot ucla.edu
--- Comment #1 from eggert at cs dot ucla.edu ---
Created attachment 11295
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simplify by using intprops.h
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #13 from hpa at zytor dot com <hpa at zytor dot com> ---
Another dumb question:
Has glibc started using the Linux uapi headers, and if so, what are the
restrictions on kernel header versions for *building* glibc?
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>From glibc-bugs-return-43439-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 05:32:49 2018
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Subject: [Bug time/23745] New: mktime fix for Gnulib + coreutils
Date: Mon, 08 Oct 2018 05:32:00 -0000
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Bug ID: 23745
Summary: mktime fix for Gnulib + coreutils
Product: glibc
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Created attachment 11296
--> https://sourceware.org/bugzilla/attachment.cgi?id=11296&action=edit
mktime fix for Gnulib + coreutils
This fix affects only Gnulib. Patch attached.
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>From glibc-bugs-return-43440-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 06:31:12 2018
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #14 from hpa at zytor dot com <hpa at zytor dot com> ---
OK, another problem:
Neither mips nor sparc defined the c_[io]speed in the *user space* struct
termios. MIPS has a fair number of unused bytes in c_cc, so my current
thinking is to drop NCCS to 24 on MIPS (the kernel uses 23) and add those
fields.
However, SPARC seems to have followed the SunOS definition and not only does
not have these fields, but NCCS == 17; in other words the glibc structure
exactly matches the legacy SPARC structure. I don't see a way around that
other than replacing struct termios on SPARC, and versioning the interfaces.
Thoughts?
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>From glibc-bugs-return-43441-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 06:35:49 2018
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #15 from hpa at zytor dot com <hpa at zytor dot com> ---
Correction: it is 19 on SPARC, so it doesn't even match SunOS...
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>From glibc-bugs-return-43442-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 07:41:41 2018
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #16 from hpa at zytor dot com <hpa at zytor dot com> ---
I have posted a *VERY* WIP git tree at:
https://git.zytor.com/users/hpa/glibc/termbaud.git
I would very much appreciate feedback so far.
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>From glibc-bugs-return-43443-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 08:18:15 2018
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #17 from hpa at zytor dot com <hpa at zytor dot com> ---
For the record, the Alpha old-kernel compatibility hack wasn't too bad,
although of course it doesn't mean we can support the functionality on those
older kernels.
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>From glibc-bugs-return-43444-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 10:06:19 2018
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Subject: [Bug localedata/23740] kl_GL: Month names and date formats need update
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|kl_GL: Month names need |kl_GL: Month names and date
|update |formats need update
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What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://unicode.org/cldr/tr
| |ac/ticket/11465
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Subject: [Bug localedata/23740] kl_GL: Month names and date formats need update
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via a68ec8eac27ba5bed195bf574fdc0f391cde6fbf (commit)
from 47c49251d559b4a84da4a6f3e5e4683ce46fd8bd (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a68ec8eac27ba5bed195bf574fdc0f391cde6fbf
commit a68ec8eac27ba5bed195bf574fdc0f391cde6fbf
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Fri Oct 5 22:52:51 2018 +0200
kl_GL: Update the month names and date formats (bug 23740).
Month names as provided by Oqaasileriffik, the official Greenlandic
language regulator. They have recently reached the consensus regarding
the orthography of the month names.
Date formats updated to match the correct Greenlandic order which is MDY.
[BZ #23740]
* localedata/locales/kl_GL (mon): Update, the relative case.
(alt_mon): Add, fill with month names in the nominative case.
(d_t_fmt): Set to "%a %b %d %Y %T %Z".
(d_fmt): Set to "%b %d %Y".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
localedata/locales/kl_GL | 40 ++++++++++++++++++++++++++--------------
2 files changed, 34 insertions(+), 14 deletions(-)
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>From glibc-bugs-return-43447-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 10:46:19 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23740] kl_GL: Month names and date formats need update
Date: Mon, 08 Oct 2018 10:46:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
For now I have decided not to update the abbreviated month names because they
look the same as in many other locales including English: three letters and no
dot, even if the language rules suggest different abbreviations. Feel free to
reopen this bug or file a new one if you disagree, we are early in the
development cycle. Otherwise the problem is fixed with the commit mentioned
above.
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>From glibc-bugs-return-43448-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 10:52:11 2018
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From: "egmont at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23740] kl_GL: Month names and date formats need update
Date: Mon, 08 Oct 2018 10:52:00 -0000
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Egmont Koblinger <egmont at gmail dot com> changed:
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--- Comment #3 from Egmont Koblinger <egmont at gmail dot com> ---
FYI: In #192 the conclusion was that languages should use the grammatically
correct form, not necessarily 3 characters.
(Mind you, the trailing dots weren't added there, they were added to the
default date formats instead. I'm really not sure if going that pedantic would
be good.)
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>From glibc-bugs-return-43449-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 12:48:53 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 08 Oct 2018 12:48:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=10339
--- Comment #18 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
For the patchset:
- Instead of making Linux specific I think we can make it a GNU ABI and return
ENOSYS as default
- The patch which ads cf{get,set}{o,i}baud need to split
- one patch which adds c_ispeed/c_ospeed for the missing architectures (mips
and sparc), add the compat symbol, and the new implementation.
- We usually avoid adding arch-conditional on Linux generic code (such as
#ifdef __alpha__), we usually an override which the architecture can set or if
the architecture is an outlier (as alpha usually is) just add an alpha
implementation.
- INLINE_SYSCALL -> INLINE_SYSCALL_CALL (to avoid require set the expected
size)
- For the patch "Define IBSHIFT, CIBAUD and BOTHER in the bits/termios.h
headers" we can propose it now since it is an independently consolidation.
I will work on consolidate current termios.h header definition, which should be
orthogonal to current new abi proposal.
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>From glibc-bugs-return-43450-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 14:42:43 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 08 Oct 2018 14:42:00 -0000
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--- Comment #19 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Mon, 8 Oct 2018, hpa at zytor dot com wrote:
> Neither mips nor sparc defined the c_[io]speed in the *user space* struct
> termios. MIPS has a fair number of unused bytes in c_cc, so my current
> thinking is to drop NCCS to 24 on MIPS (the kernel uses 23) and add those
> fields.
Could that change for MIPS cause a program built with glibc 2.29, and
using the new fields, but not using any new functions, to misbehave when
run with glibc 2.28 because the fields would not be set? If so, I think
you need new symbol versions for the relevant functions, even if the
functions with the old and new symbol versions are aliases, so that
programs expecting the new fields don't try to run with older libc. If
the change of NCCS could also break valid expectations for programs built
with the old libc, you need new symbol versions which aren't aliases.
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>From glibc-bugs-return-43451-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 15:17:01 2018
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 08 Oct 2018 15:17:00 -0000
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--- Comment #20 from hpa at zytor dot com <hpa at zytor dot com> ---
On October 8, 2018 7:42:36 AM PDT, joseph at codesourcery dot com
<sourceware-bugzilla@sourceware.org> wrote:
>https://sourceware.org/bugzilla/show_bug.cgi?id=10339
>
>--- Comment #19 from joseph at codesourcery dot com <joseph at
>codesourcery dot com> ---
>On Mon, 8 Oct 2018, hpa at zytor dot com wrote:
>
>> Neither mips nor sparc defined the c_[io]speed in the *user space*
>struct
>> termios. MIPS has a fair number of unused bytes in c_cc, so my
>current
>> thinking is to drop NCCS to 24 on MIPS (the kernel uses 23) and add
>those
>> fields.
>
>Could that change for MIPS cause a program built with glibc 2.29, and
>using the new fields, but not using any new functions, to misbehave
>when
>run with glibc 2.28 because the fields would not be set? If so, I
>think
>you need new symbol versions for the relevant functions, even if the
>functions with the old and new symbol versions are aliases, so that
>programs expecting the new fields don't try to run with older libc. If
>
>the change of NCCS could also break valid expectations for programs
>built
>with the old libc, you need new symbol versions which aren't aliases.
Is it possible?... anything is, of course; the inventiveness of programmers
when it comes to shooting themselves in the foot. However, that exact situation
has applied to nearly every single platform for well over a decade, and MIPS
would actually be better behaved than the current platforms, because the legacy
MIPS code would at least zero these fields.
On the other hand, if we version MIPS as well as sparc we can get rid of
another wart.
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>From glibc-bugs-return-43452-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 15:34:28 2018
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Subject: [Bug malloc/14827] free() doesn't honor M_TRIM_THRESHOLD
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leonard at lausen dot nl changed:
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>From glibc-bugs-return-43454-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 08 15:44:34 2018
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
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--- Comment #21 from hpa at zytor dot com <hpa at zytor dot com> ---
That should have been "the inventiveness of programmers when it comes to
shooting themselves in the foot is boundless".
I would have been far more interested in avoiding a wart here if the glibc code
hadn't already promulgated a structure with non-functional speed fields on
almost every platform; if that had not been the case I would have strongly
considered defining a structure with __uint64_t for the __baud_t type, but at
this point it would mean versioning *ALL* architectures, and the cost seems to
massively exceed the value.
I suspect if we need to support speeds > 4 Gbps, we probably would augment the
kernel interface by leveraging spare bytes in c_cc; they are guaranteed to be
initialized to 0 by the kernel already, and unless I'm completely mistaken,
every Linux architecture defines at least 19 bytes in the kernel NCCS2, and
none uses more than 17, so we could define:
True xbaud = c_xspeed << c_cc[VxSPDSHL]
This would avoid requiring new kernel ioctls while retaining backwards
compatibility.
Which I guess begs the question if what we should do is define baud_t to be 64
bits for the function calls, returning EINVAL at this point, but leave the
fields in the *structure* (which user space isn't *supposed* to look at) as
unsigned int.
<joke> Maybe we should make it a double, since the above is actually a
floating-point format? </joke>
--- Comment #22 from hpa at zytor dot com <hpa at zytor dot com> ---
That should have been "the inventiveness of programmers when it comes to
shooting themselves in the foot is boundless".
I would have been far more interested in avoiding a wart here if the glibc code
hadn't already promulgated a structure with non-functional speed fields on
almost every platform; if that had not been the case I would have strongly
considered defining a structure with __uint64_t for the __baud_t type, but at
this point it would mean versioning *ALL* architectures, and the cost seems to
massively exceed the value.
I suspect if we need to support speeds > 4 Gbps, we probably would augment the
kernel interface by leveraging spare bytes in c_cc; they are guaranteed to be
initialized to 0 by the kernel already, and unless I'm completely mistaken,
every Linux architecture defines at least 19 bytes in the kernel NCCS2, and
none uses more than 17, so we could define:
True xbaud = c_xspeed << c_cc[VxSPDSHL]
This would avoid requiring new kernel ioctls while retaining backwards
compatibility.
Which I guess begs the question if what we should do is define baud_t to be 64
bits for the function calls, returning EINVAL at this point, but leave the
fields in the *structure* (which user space isn't *supposed* to look at) as
unsigned int.
<joke> Maybe we should make it a double, since the above is actually a
floating-point format? </joke>
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 08 Oct 2018 15:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=10339
--- Comment #21 from hpa at zytor dot com <hpa at zytor dot com> ---
That should have been "the inventiveness of programmers when it comes to
shooting themselves in the foot is boundless".
I would have been far more interested in avoiding a wart here if the glibc code
hadn't already promulgated a structure with non-functional speed fields on
almost every platform; if that had not been the case I would have strongly
considered defining a structure with __uint64_t for the __baud_t type, but at
this point it would mean versioning *ALL* architectures, and the cost seems to
massively exceed the value.
I suspect if we need to support speeds > 4 Gbps, we probably would augment the
kernel interface by leveraging spare bytes in c_cc; they are guaranteed to be
initialized to 0 by the kernel already, and unless I'm completely mistaken,
every Linux architecture defines at least 19 bytes in the kernel NCCS2, and
none uses more than 17, so we could define:
True xbaud = c_xspeed << c_cc[VxSPDSHL]
This would avoid requiring new kernel ioctls while retaining backwards
compatibility.
Which I guess begs the question if what we should do is define baud_t to be 64
bits for the function calls, returning EINVAL at this point, but leave the
fields in the *structure* (which user space isn't *supposed* to look at) as
unsigned int.
<joke> Maybe we should make it a double, since the above is actually a
floating-point format? </joke>
--- Comment #22 from hpa at zytor dot com <hpa at zytor dot com> ---
That should have been "the inventiveness of programmers when it comes to
shooting themselves in the foot is boundless".
I would have been far more interested in avoiding a wart here if the glibc code
hadn't already promulgated a structure with non-functional speed fields on
almost every platform; if that had not been the case I would have strongly
considered defining a structure with __uint64_t for the __baud_t type, but at
this point it would mean versioning *ALL* architectures, and the cost seems to
massively exceed the value.
I suspect if we need to support speeds > 4 Gbps, we probably would augment the
kernel interface by leveraging spare bytes in c_cc; they are guaranteed to be
initialized to 0 by the kernel already, and unless I'm completely mistaken,
every Linux architecture defines at least 19 bytes in the kernel NCCS2, and
none uses more than 17, so we could define:
True xbaud = c_xspeed << c_cc[VxSPDSHL]
This would avoid requiring new kernel ioctls while retaining backwards
compatibility.
Which I guess begs the question if what we should do is define baud_t to be 64
bits for the function calls, returning EINVAL at this point, but leave the
fields in the *structure* (which user space isn't *supposed* to look at) as
unsigned int.
<joke> Maybe we should make it a double, since the above is actually a
floating-point format? </joke>
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From: "hpa at zytor dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Mon, 08 Oct 2018 20:51:00 -0000
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--- Comment #23 from hpa at zytor dot com <hpa at zytor dot com> ---
I hacked on the above, and the more I work on it, the more I'm unhappy with the
*baud() functions.
The big problem that I see is that an existing application doing getxspeed()
... setxspeed() ought to have a reasonable expectation of returning to the
original baud rate in all circumstances, so an interface which doesn't encode
this information in speed_t is fundamentally broken.
So I came up with this idea:
speed_t cfencspeed(baud_t)
baud_t cfdecspeed(speed_t)
... keeping the interfaces using speed_t but having a system-independent way to
encode and decode this abstract type into a true integer. This also becomes a
trivial interface (null transformation) on systems which use speed_t == baud.
On Linux, in order to support the existing Bxxx constants without modification,
we can define the speed_t as a speed, *except* that the Bxxx constants and
their corresponding integers are swapped. In other words, B300 == 7, so 7 baud
would be represented by the value 300. Although slightly complicated, this
encoding is 100% efficient, and has the important property of being alias-free,
so that a direct comparison cannot have false negatives.
So far, so good.
Now, assuming we really want to support baud rates over 4 Gbps, I'm thinking of
an interface which might amount to a 5:27 floating point number. no sign bit,
and biased for integers only. Baud rates below 2^27 ~ 134 Mbps would be
encoded as "denormals"; above that the value will be encoded with an implicit
one, which means that values below 2^28 ~ 268 Mps will still be
identity-transformed with an integer (since 00001 ... would correspond to a
shift of 0 but with an implicit 1, and the implicit 1 would fall into exactly
the same bit position as the 1 in the exponent.)
This would be able to encode baud rates up to to ~288 Pbps with a maximum error
of 4 ppb, without breaking the round-trip property of speed_t and without
having to change the current termios structures (except for SPARC and possibly
MIPS.)
Thoughts?
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Mon, 08 Oct 2018 22:46:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11290|0 |1
is obsolete| |
--- Comment #37 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11298
--> https://sourceware.org/bugzilla/attachment.cgi?id=11298&action=edit
LibreOffice Calc spreadsheet used to create the translit_cyrillic file with the
transliteration
Now more graphic with Cyrillic-ISO9translit-ASCIItranscription on the same page
and colored out.
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Subject: [Bug localedata/10797] it_IT locale numeric does not have a separator for thousands
Date: Mon, 08 Oct 2018 22:47:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|it_IT locale numeric does |it_IT locale numeric does
|not have a separator for |not have a separator for
|thousends |thousands
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Subject: [Bug localedata/20209] Spelling mistake for Sunday in Greenlandic kl_GL
Date: Mon, 08 Oct 2018 22:49:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|spelling mistake for sunday |Spelling mistake for Sunday
|in Greenlandic kl_GL |in Greenlandic kl_GL
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Subject: [Bug localedata/20209] Spelling mistake for Sunday in Greenlandic kl_GL
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been updated
via 5473739a7b44f27965b70d1acf480f5f72603e78 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 1 +
localedata/locales/kl_GL | 4 ++--
3 files changed, 11 insertions(+), 2 deletions(-)
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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What |Removed |Added
----------------------------------------------------------------------------
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is obsolete| |
--- Comment #38 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11299
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LibreOffice Calc spreadsheet used to generate the translit_cyrillic file with
the transliteration
Fixed issues identified here
https://sourceware.org/ml/libc-locales/2018-q4/msg00019.html
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>From glibc-bugs-return-43462-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 10:43:08 2018
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From: "egor at kobylkin dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Tue, 09 Oct 2018 10:43:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
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is obsolete| |
--- Comment #39 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11300
--> https://sourceware.org/bugzilla/attachment.cgi?id=11300&action=edit
LibreOffice Calc spreadsheet used to generate the translit_cyrillic file with
the transliteration
Now with the "Result Export to CSV" tab that can be exported into txt and
copypasted into translit_cyrillic after removing trailing spaces. If we could
code the rules implemented in the formulas this could become the generator
script. Worksheet "ISO 9.1995 System A GOST 9.97 System B" columns contain the
actual mapping and the rest is just the logic to get to "Result Export to CSV"
glibc format for translit_cyrillic.
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>From glibc-bugs-return-43463-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 19:01:36 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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--- Comment #40 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11301
--> https://sourceware.org/bugzilla/attachment.cgi?id=11301&action=edit
LibreOffice Calc spreadsheet used to generate the translit_cyrillic file with
the transliteration
Removed "" around the "<U0423><U0301>" (<U00DA>) and
"<U0443><U0301>" (<U00FA>) as it was breaking locale compliation.
It works now with
% CYRILLIC UNDEFINED
<U0423><U0301> <U00DA>;"<U0055><U0060>"
% CYRILLIC UNDEFINED
<U0443><U0301> <U00FA>;"<U0075><U0060>"
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>From glibc-bugs-return-43464-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 19:07:08 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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--- Comment #41 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11302
--> https://sourceware.org/bugzilla/attachment.cgi?id=11302&action=edit
Transliteration table Cyrillic->Latin with fallback to ASCII
Final version in preparation for the patch.
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>From glibc-bugs-return-43465-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 19:09:24 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Tue, 09 Oct 2018 19:09:00 -0000
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--- Comment #42 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11303
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the patch adding translit_cyrillic and including it into locales
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>From glibc-bugs-return-43466-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 19:12:06 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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--- Comment #43 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11304
--> https://sourceware.org/bugzilla/attachment.cgi?id=11304&action=edit
test file for https://sourceware.org/glibc/wiki/Locales#Testing_Locales
Added the cyrillic characters covering Unicode Range
https://www.unicode.org/charts/PDF/U0400.pdf i.e [U4001-U4F9, U2019] but only
the letters covered by ISO 9.1995 as CYRILLIC COMPLETE.
Renamed CYRILLIC to CYRILLIC RUSSIAN and added all capital letters to the text
there.
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>From glibc-bugs-return-43467-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 22:41:39 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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>From glibc-bugs-return-43468-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 22:51:23 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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URL| |https://en.wikipedia.org/wi
| |ki/ISO_9
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>From glibc-bugs-return-43469-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 09 23:02:01 2018
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https://sourceware.org/bugzilla/show_bug.cgi?id=16346
--- Comment #15 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/make-check has been created
at 7d82403ed8b6361e362ee8fbf4c3b316e26268dc (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d82403ed8b6361e362ee8fbf4c3b316e26268dc
commit 7d82403ed8b6361e362ee8fbf4c3b316e26268dc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
Now that __time_64_t exists, we can switch internal function
__tz_convert from 32-bit to 64-bit time. This involves switching
some other internal functions and turning some implementations
which use these into wrappers between public 32-bit and internal
64-bit time.
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ccd9dd89364bccd3f9774be68232908bdbda8b9
commit 6ccd9dd89364bccd3f9774be68232908bdbda8b9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
glibc support for 64-bit time_t on 32-bit architectures
will involve:
- Using 64-bit times inside glibc, with conversions
to and from 32-bit times taking place as necessary
for interfaces using such times.
- Adding 64-bit-time support in the glibc public API.
This support should be dynamic, i.e. iglibc should
provide both 32-bit and 64-bit implementations and
let user code choose at compile time whether to use
the 32-bit or 64-bit interfaces.
This requires a glibc-internal name for a type for times
that are always 64-bit.
To determine whether the default time_t interfaces are 32-bit
and so need conversions, or are 64-bit and so are compatible
with the internal 64-bit type without conversions, a macro
giving the size of the default time_t is also required.
This macro is called __TIMESIZE.
Based on __TIMESIZE, a new macro is defined, __TIME64_T_TYPE,
which is always the right __*_T_TYPE to hold a 64-bit-time.
__TIME64_T_TYPE equals __TIME_T_TYPE if __TIMESIZE equals 64
and equals __SQUAD_T_TYPE otherwise.
__time64_t can then replace uses of internal_time_t.
* bit/time64.h: New file.
* bits/timesize: (__TIMESIZE): New macro.
* include/time.h: replace internal_time_t with __time64_t.
* posix/bits/types (__time64_t): Add.
* stdlib/Makefile: Add bits/time64.h to includes.
* stdlib/Makefile: Add bits/timesize.h to includes.
* sysdeps/unix/sysv/linux/x86/bits/time64.h: New file.
* sysdeps/unix/sysv/linux/x86/bits/timesize.h (__TIMESIZE): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77b79b7bc9109279be670fbad7b88e552cc45e42
commit 77b79b7bc9109279be670fbad7b88e552cc45e42
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=148b5a3114e216305746a36cb71a61bd83f3f7d9
commit 148b5a3114e216305746a36cb71a61bd83f3f7d9
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
Date: Tue, 09 Oct 2018 23:02:00 -0000
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Message-ID: <bug-23603-131-JpKIrNS5kz@http.sourceware.org/bugzilla/>
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https://sourceware.org/bugzilla/show_bug.cgi?id=23603
--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/make-check has been created
at 7d82403ed8b6361e362ee8fbf4c3b316e26268dc (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d82403ed8b6361e362ee8fbf4c3b316e26268dc
commit 7d82403ed8b6361e362ee8fbf4c3b316e26268dc
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:43 2018 +0200
Y2038: make __tz_convert compatible with 64-bit-time
Now that __time_64_t exists, we can switch internal function
__tz_convert from 32-bit to 64-bit time. This involves switching
some other internal functions and turning some implementations
which use these into wrappers between public 32-bit and internal
64-bit time.
* __tz_compute: Pass timer as a __time64_t rather than time_t.
* __offtime: Pass __timer as a __time64_t value rather than
a const time_t pointer.
* __tz_convert: Likewise.
* localtime: provide a 64-bit time version and make the 32-bit
time version a wrapper of it.
* localtime_r: Likewise.
* ctime: Likewise.
* ctime_r: Likewise.
* gmtime: Likewise.
* gmtime_r: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ccd9dd89364bccd3f9774be68232908bdbda8b9
commit 6ccd9dd89364bccd3f9774be68232908bdbda8b9
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Mon Jun 18 21:14:42 2018 +0200
Y2038: Add 64-bit time for all architectures
glibc support for 64-bit time_t on 32-bit architectures
will involve:
- Using 64-bit times inside glibc, with conversions
to and from 32-bit times taking place as necessary
for interfaces using such times.
- Adding 64-bit-time support in the glibc public API.
This support should be dynamic, i.e. iglibc should
provide both 32-bit and 64-bit implementations and
let user code choose at compile time whether to use
the 32-bit or 64-bit interfaces.
This requires a glibc-internal name for a type for times
that are always 64-bit.
To determine whether the default time_t interfaces are 32-bit
and so need conversions, or are 64-bit and so are compatible
with the internal 64-bit type without conversions, a macro
giving the size of the default time_t is also required.
This macro is called __TIMESIZE.
Based on __TIMESIZE, a new macro is defined, __TIME64_T_TYPE,
which is always the right __*_T_TYPE to hold a 64-bit-time.
__TIME64_T_TYPE equals __TIME_T_TYPE if __TIMESIZE equals 64
and equals __SQUAD_T_TYPE otherwise.
__time64_t can then replace uses of internal_time_t.
* bit/time64.h: New file.
* bits/timesize: (__TIMESIZE): New macro.
* include/time.h: replace internal_time_t with __time64_t.
* posix/bits/types (__time64_t): Add.
* stdlib/Makefile: Add bits/time64.h to includes.
* stdlib/Makefile: Add bits/timesize.h to includes.
* sysdeps/unix/sysv/linux/x86/bits/time64.h: New file.
* sysdeps/unix/sysv/linux/x86/bits/timesize.h (__TIMESIZE): New macro.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77b79b7bc9109279be670fbad7b88e552cc45e42
commit 77b79b7bc9109279be670fbad7b88e552cc45e42
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Fix mktime localtime offset confusion
[BZ #23603]
* include/time.h (__mktime_internal): The localtime offset is now
of type long int instead of time_t. This is the longstanding type
in glibc, and it is more than enough to represent difference
between localtime and gmtime even if it is 32 bits and time_t is
64. Changing it now will let us avoid an unnecessary change when
time_t is widened to 64 bits on 32-bit platforms.
* time/mktime-internal.h (mktime_offset_t): Now long int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=148b5a3114e216305746a36cb71a61bd83f3f7d9
commit 148b5a3114e216305746a36cb71a61bd83f3f7d9
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Merge mktime, timegm from upstream Gnulib
[BZ #23603][BZ #16346]
This fixes some obscure problems with integer overflow.
Although it looks scary, it is almost all a byte-for-byte copy
from Gnulib, and the Gnulib code has been tested reasonably well.
* include/intprops.h: New file, copied from Gnulib.
* include/verify.h, time/mktime-internal.h:
New tiny files, simplified from Gnulib.
* time/mktime.c: Copy from Gnulib. This has the following changes:
Do not include config.h if DEBUG_MKTIME is nonzero.
Include stdbool.h, intprops.h, verify.h.
Include string.h only if needed.
Include stdlib.h on MS-Windows.
Include mktime-internal.h.
(DEBUG_MKTIME): Default to 0, and simplify later uses.
(NEED_MKTIME_INTERNAL, NEED_MKTIME_WINDOWS)
(NEED_MKTIME_WORKING): Give default values to pacify -Wundef,
which glibc uses. Default NEED_MKTIME_WORKING to DEBUG_MKTIME, to
simplify later conditionals; default the others to zero. Use
these conditionals to express only the code needed on the current
platform. In uses of these conditionals, explicitly spell out how
_LIBC affects things, so it’s easier to review from a glibc
viewpoint.
(WRAPV): Remove; no longer needed now that we have
systematic overflow checking.
(my_tzset, __tzset) [!_LIBC]: New function and macro, to better
compartmentalize tzset issues. Move system-dependent tzsettish
code here from mktime.
(verify): Remove; now done by verify.h. All uses changed.
(long_int): Use a more-conservative definition, to avoid
integer overflow.
(SHR): Remove, replacing with ...
(shr): New function, which means we needn’t worry about side
effects in args, and conversion analysis is simpler.
(TYPE_IS_INTEGER, TYPE_TWOS_COMPLEMENT, TYPE_SIGNED, TYPE_MINIMUM)
(TYPE_MAXIMUM, TIME_T_MIN, TIME_T_MAX, TIME_T_MIDPOINT)
(time_t_avg, time_t_add_ok): Remove.
(mktime_min, mktime_max): New constants.
(leapyear, isdst_differ): Use bool for booleans.
(ydhms_diff, guess_time_tm, ranged_convert, __mktime_internal):
Use long_int, not time_t, for mktime differences.
(long_int_avg): New function, replacing time_t_avg.
INT_ADD_WRAPV replaces time_t_add_ok.
(guess_time_tm): 6th arg is now long_int, not time_t const *.
All uses changed.
(convert_time): New function.
(ranged_convert): Use it.
(__mktime_internal): Last arg now points to mktime_offset_t, not
time_t. All uses changed. This is a no-op on glibc, where
mktime_offset_t is always time_t. Use int, not time_t, for UTC
offset guess. Directly check for integer overflow instead of
using a heuristic that works only 99.9...% of the time.
Access *OFFSET only once, to avoid an unlikely race if the
compiler delays a load and if this cascades into a signed integer
overflow.
(mktime): Move tzsettish code to my_tzset, and move
localtime_offset to within mktime so that it doesn’t
need a separate ifdef.
(main) [DEBUG_MKTIME]: Speed up by using localtime_r
instead of localtime.
* time/timegm.c: Copy from Gnulib. This has the following changes:
Include mktime-internal.h.
[!_LIBC]: Include config.h and time.h. Do not include
timegm.h or time_r.h. Make __mktime_internal a macro,
and include mktime-internal.h to get its declaration.
(timegm): Temporary is now mktime_offset_t, not time_t.
This affects only Gnulib.
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From: "marcin at sacha dot pl" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] New: Malfunction of semctl() called from a shared object
Date: Tue, 09 Oct 2018 23:08:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: marcin at sacha dot pl
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https://sourceware.org/bugzilla/show_bug.cgi?id=23751
Bug ID: 23751
Summary: Malfunction of semctl() called from a shared object
Product: glibc
Version: 2.13
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: marcin at sacha dot pl
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11305
--> https://sourceware.org/bugzilla/attachment.cgi?id=11305&action=edit
simple test program
The semctl() function returns wrong values in sem_perm structure when used in a
shared object. When called from a standalone program (ie. a plain main()
function) values are correct and reflect real semaphore attributes. The error
regards IPC_STAT and SEM_STAT commands.
In the attachment you can find a simple test program. Build it in two ways -
first as a single executable, and a second as an executable (prog.c) and a
shared library (lib.c). Then create some semaphores on the system and compare
the results of both versions of the program.
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Subject: [Bug dynamic-link/23716] _dl_runtime_resolve_shstk isn't selected properly
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 +++++++
sysdeps/i386/dl-cet.c | 67 ---------------------------------------------
sysdeps/i386/dl-machine.h | 13 +++++++-
3 files changed, 21 insertions(+), 69 deletions(-)
delete mode 100644 sysdeps/i386/dl-cet.c
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 10 Oct 2018 08:21:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
The fourth argument of semctl must be of type union semun as defined in the
manual page.
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From: "marcin at sacha dot pl" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 10 Oct 2018 08:43:00 -0000
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--- Comment #2 from Marcin <marcin at sacha dot pl> ---
It may not. I used an union and the result was the same. And I think this is
quite unsurprising, because using an union or a structure makes difference only
on the compile time. When executing, the fourth argument is always interpreted
as a pointer.
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Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
It makes a difference because the fourth argument is varargs.
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Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
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--- Comment #4 from Marcin <marcin at sacha dot pl> ---
Created attachment 11308
--> https://sourceware.org/bugzilla/attachment.cgi?id=11308&action=edit
simple test program using union
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Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
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--- Comment #5 from Marcin <marcin at sacha dot pl> ---
In the attachment you can find a modified test program, it uses union. As I
wrote before, it makes no difference whether an union is used or not - the
problem still exists, the semctl() function returns wrong result.
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>From glibc-bugs-return-43478-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 10 19:17:25 2018
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From: "amaris at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23733] Check the count before calling tcache_get()
Date: Wed, 10 Oct 2018 19:17:00 -0000
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--- Comment #2 from Adam Mariš <amaris at redhat dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to Adam Mariš from comment #0)
> > Created attachment 11287 [details]
> > tcache overflow
> >
> > When calling tcache_get() in __libc_malloc(), it is checked (among other
> > things) that tcache->entries[tc_idx] isn't equal NULL which indicates the
> > corresponding tcache bin should be empty. However, when the last chunk in
> > tcache bin gets corrupted (e.g. by use after free or heap buffer overflow)
> > and pointer to next chunk which is NULL would be overwritten, malloc() will
> > continue to serve chunks from that tcache bin even if it's empty and
> > tcache->count[tc_idx] will overflow.
> >
> > It would be better to check if tcache->count[tc_idx] > 0, either instead or
> > additionally (even better), which isn't as vulnerable to corruption as
> > metadata stored in chunks.
>
> Adam,
>
> Are you able to post a tested patch for this to libc-alpha?
>
OK, added to my TODO list.
> The fix would also need a test case, a simple program like your PoC but with
> a bit more boiler plate e.g. malloc/tst-malloc-backtrace.c which uses
> "EXPECTED_SIGNAL SIGABRT" to indicate that a PASS for the test is a SIGABRT
> (which is that malloc should abort when it detects corruption).
>
That's useful to know, thanks! I'll look into it and get back once I'm done.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 10 Oct 2018 19:28:00 -0000
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--- Comment #24 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to hpa@zytor.com from comment #23)
> I hacked on the above, and the more I work on it, the more I'm unhappy with
> the *baud() functions.
>
> The big problem that I see is that an existing application doing getxspeed()
> ... setxspeed() ought to have a reasonable expectation of returning to the
> original baud rate in all circumstances, so an interface which doesn't
> encode this information in speed_t is fundamentally broken.
>
> So I came up with this idea:
>
> speed_t cfencspeed(baud_t)
> baud_t cfdecspeed(speed_t)
>
> ... keeping the interfaces using speed_t but having a system-independent way
> to encode and decode this abstract type into a true integer. This also
> becomes a trivial interface (null transformation) on systems which use
> speed_t == baud.
It is not clear to me on to encode the baud_t information on current termios
struct. Is the idea to reuse c_ispeed/c_ospeed fields? We might have some
freedom here since they are not POSIX, but since we set them on
cfsetospeed/cfsetispeed we will break this semantic if we reuse them.
>
> On Linux, in order to support the existing Bxxx constants without
> modification, we can define the speed_t as a speed, *except* that the Bxxx
> constants and their corresponding integers are swapped. In other words,
> B300 == 7, so 7 baud would be represented by the value 300. Although
> slightly complicated, this encoding is 100% efficient, and has the important
> property of being alias-free, so that a direct comparison cannot have false
> negatives.
>
> So far, so good.
>
> Now, assuming we really want to support baud rates over 4 Gbps, I'm thinking
> of an interface which might amount to a 5:27 floating point number. no sign
> bit, and biased for integers only. Baud rates below 2^27 ~ 134 Mbps would
> be encoded as "denormals"; above that the value will be encoded with an
> implicit one, which means that values below 2^28 ~ 268 Mps will still be
> identity-transformed with an integer (since 00001 ... would correspond to a
> shift of 0 but with an implicit 1, and the implicit 1 would fall into
> exactly the same bit position as the 1 in the exponent.)
>
> This would be able to encode baud rates up to to ~288 Pbps with a maximum
> error of 4 ppb, without breaking the round-trip property of speed_t and
> without having to change the current termios structures (except for SPARC
> and possibly MIPS.)
>
> Thoughts?
This might be an option, it should cover mostly operations. The only issue I
can see if/when kernel starts to support baud rates over 4 Gbps, will it follow
the same userland definition or will it use a termios3 struct with larger
c_*speed values? For latter how would it handle the cases where underlying
hardware supports a baud rate which is not representable in this 5:27 format,
would it return EINVAL or round the input?
Another option might be just extend the termios structure to use large values
for c_ispeed/c_ospeed and add a compatibility symbols for all architectures
(and no more sparc/mips issues).
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 10 Oct 2018 19:34:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=10339
--- Comment #25 from hpa at zytor dot com <hpa at zytor dot com> ---
On 10/10/18 12:28, adhemerval.zanella at linaro dot org wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=10339
>
> --- Comment #24 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
> (In reply to hpa@zytor.com from comment #23)
>> I hacked on the above, and the more I work on it, the more I'm unhappy with
>> the *baud() functions.
>>
>> The big problem that I see is that an existing application doing getxspeed()
>> ... setxspeed() ought to have a reasonable expectation of returning to the
>> original baud rate in all circumstances, so an interface which doesn't
>> encode this information in speed_t is fundamentally broken.
>>
>> So I came up with this idea:
>>
>> speed_t cfencspeed(baud_t)
>> baud_t cfdecspeed(speed_t)
>>
>> ... keeping the interfaces using speed_t but having a system-independent way
>> to encode and decode this abstract type into a true integer. This also
>> becomes a trivial interface (null transformation) on systems which use
>> speed_t == baud.
>
> It is not clear to me on to encode the baud_t information on current termios
> struct. Is the idea to reuse c_ispeed/c_ospeed fields? We might have some
> freedom here since they are not POSIX, but since we set them on
> cfsetospeed/cfsetispeed we will break this semantic if we reuse them.
>
Yes, the idea is to reuse the c_xspeed fields, but not doing the swap
part (but the floating-point stuff it we need it) since it is not needed.
>
> This might be an option, it should cover mostly operations. The only issue I
> can see if/when kernel starts to support baud rates over 4 Gbps, will it follow
> the same userland definition or will it use a termios3 struct with larger
> c_*speed values? For latter how would it handle the cases where underlying
> hardware supports a baud rate which is not representable in this 5:27 format,
> would it return EINVAL or round the input?
>
We already round the input; for example, if you ask a standard PC serial
port for 100000 bps then the value will be rounded to 115200 (divisor of
1), and a subsequent TCGETS2 ioctl will report that speed.
> Another option might be just extend the termios structure to use large values
> for c_ispeed/c_ospeed and add a compatibility symbols for all architectures
> (and no more sparc/mips issues).
>
From discussing with the kernel team, they aren't particularly
interested, so far, on having to introduce a new kernel interface, but
are willing to reserve the high bits in the speed fields for the future.
0hpa
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 10 Oct 2018 21:01:00 -0000
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--- Comment #26 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to hpa@zytor.com from comment #25)
> >
>
> From discussing with the kernel team, they aren't particularly
> interested, so far, on having to introduce a new kernel interface, but
> are willing to reserve the high bits in the speed fields for the future.
>
> 0hpa
Right, so we can use a similar strategy on glibc and reserve higher 5 bits
(there is no much gain in add all the logic to handle the 5:27 format now).
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Subject: [Bug libc/10339] Terminal interface: non-standard baudrates are not handled properly on Linux-systems
Date: Wed, 10 Oct 2018 21:02:00 -0000
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--- Comment #27 from hpa at zytor dot com <hpa at zytor dot com> ---
Exactly. The important bit is that we almost certainly want to make baud_t 64
bits to future-proof it.
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>From glibc-bugs-return-43483-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 10 22:26:01 2018
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From: "dj at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nscd/23757] New: services number stored in wrong endianness
Date: Wed, 10 Oct 2018 22:26:00 -0000
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Bug ID: 23757
Summary: services number stored in wrong endianness
Product: glibc
Version: unspecified
Status: NEW
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Priority: P2
Component: nscd
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If you look up a service number of, say, 10000, the correct entry in
/etc/services is used by nscd, but the key in the database is, in this example,
4135:
$ grep 10000 /etc/services
service-example 10000/tcp
$ getent services 10000/tcp
service-example 10000/tcp
$ getent services 10000/udp
$ /usr/sbin/nscd -d
Wed 10 Oct 2018 05:21:34 PM EDT - 5833: GETSERVBYPORT (4135/udp)
$ strings /var/db/nscd/services
service-example
4135/tcp
4135/udp
Note that 10000 is 0x2710 and 4135 is 0x1027 so it looks like there's a missing
ntohs() call somewhere.
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>From glibc-bugs-return-43484-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 03:00:54 2018
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Subject: [Bug time/23758] New: Improve the width of alternate representation for year in strftime
Date: Thu, 11 Oct 2018 03:00:00 -0000
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Bug ID: 23758
Summary: Improve the width of alternate representation for year
in strftime
Product: glibc
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Priority: P2
Component: time
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The Japanese era name is scheduled to be changed on May 1, 2019.
Prior to this, improve the width of alternate representation for year
in strftime to prevent the trouble to be mentioned below we saw in the
past from becoming obvious again from the year after the era name
changes onward.
At present, in one-digit of the Japanese era year such as Heisei year
2 (1990), the conversion specifiers %Ex, %Ec to be included in the
format specification of strftime, are converted as follows. However,
since the width of alternate representation for year of the output
string is different from the others, there was a sense of
incompatibility.
"%Ex" : "å¹³æˆ2å¹´08月04æ—¥"
"%Ec" : "å¹³æˆ2å¹´08月04æ—¥ 08時06分02秒"
These conversion specifiers are implemented by combining multiple
conversion specifiers. In ja_JP locale for example, the combinations
of conversion specifiers are defined as follows.
"%Ex" : "%EY%m月%d日" (era_d_fmt)
"%Ec" : "%EY%m月%d日 %H時%M分%S秒" (era_d_t_fmt)
"%EY" : "%EC元年" | "%EC%Ey年" (era_format)
"%EC" : "å¹³æˆ" | "æ˜å’Œ" | "大æ£" | "明治" (era_name)
Currently, the width of the output string of the numeric value of
conversion specifier %Ey is not padded. By changing the width padding
with zero to 2, the conversion specifier %EY is converted as follows,
and then expected results are also obtained for conversion specifiers
%Ex, %Ec.
"%EY" : "å¹³æˆ2å¹´" -> "å¹³æˆ02å¹´"
"%Ex" : "å¹³æˆ02å¹´08月04æ—¥"
"%Ec" : "å¹³æˆ02å¹´08月04æ—¥ 08時06分02秒"
Since only one Japanese era name is used by each emperor's reign, it
is rare that the year ends in one digit or lasts more than three
digits. In addition, the width of month, day, hour, minute, and
second is 2, so adjust the width of year the same as them, the whole
display balance is improved. Therefore, it would be reasonable to
change the width padding with zero of %Ey default to 2.
In glibc, besides ja_JP locale, the locales currently using the
conversion specifier above are lo_LA (Laos) and th_TH (Thailand). In
these locales, they use the Buddhist era. The Buddhist era is a value
obtained by adding 543 to the Christian era, so it is not affected by
this change of the conversion specifier %Ey.
Furthermore, for the output string of the conversion specifier %EY,
an optional flag is given to the conversion specifier so that it can
be also used the current non-padding format, and the padding format
can be controlled. To achieve this, when an optional flag is given to
the conversion specifier %EY, processing is performed as the flag to
be given to %Ey included in the combined conversion specifier.
"%EY" : "%EC%Eyå¹´" : "å¹³æˆ02å¹´"
"%_EY" : "%EC%_Eyå¹´" : "å¹³æˆ 2å¹´"
"%-EY" : "%EC%-Eyå¹´" : "å¹³æˆ2å¹´"
As an application example, by combining conversion specifiers, it can
be converted into the following display format.
"%Ex(%a) %X" : "å¹³æˆ02å¹´08月04æ—¥(土) 08時06分02秒"
"%_EY%b%eæ—¥(%a) %_H時%_M分%_S秒" : "å¹³æˆ 2å¹´ 8月 4æ—¥(土) 8時 6分 2秒"
"%-EY%B%-dæ—¥(%a) %-H時%-M分%-S秒" : "å¹³æˆ2å¹´8月4æ—¥(土) 8時6分2秒"
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 09:51:00 -0000
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--- Comment #11 from paul.borile at gmail dot com ---
Created attachment 11315
--> https://sourceware.org/bugzilla/attachment.cgi?id=11315&action=edit
strstr.c
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 09:54:00 -0000
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--- Comment #12 from paul.borile at gmail dot com ---
I made a test compiling for amd64 the attached program and running it on
different platforms. The test run in 0.5 seconds on a sse2 optimized strstr()
while 8 times slower on a non sse2 optimized strstr(). Example of a fast run :
$ docker run -i ubuntu:16.04 /bin/bash -c "cat > strstr ; chmod +x strstr ;
time ./strstr aa" < ./strstr
Unable to find image 'ubuntu:16.04' locally
16.04: Pulling from library/ubuntu
3b37166ec614: Pull complete
504facff238f: Pull complete
ebbcacd28e10: Pull complete
c7fb3351ecad: Pull complete
2e3debadcbf7: Pull complete
Digest: sha256:45ddfa61744947b0b8f7f20b8de70cbcdd441a6a0532f791fd4c09f5e491a8eb
Status: Downloaded newer image for ubuntu:16.04
real 0m0.475s
user 0m0.474s
sys 0m0.000s
matches = 3000000
Example of a slow run :
docker run -i ubuntu:18.04 /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'ubuntu:18.04' locally
18.04: Pulling from library/ubuntu
Digest: sha256:de774a3145f7ca4f0bd144c7d4ffb2931e06634f11529653b23eba85aef8e378
Status: Downloaded newer image for ubuntu:18.04
matches = 3000000
real 0m4.796s
user 0m4.794s
sys 0m0.000s
debian buster is showing the same problem :
docker run -i debian:buster /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'debian:buster' locally
buster: Pulling from library/debian
1064a561889d: Pull complete
Digest: sha256:b17f0ca6c2c0c5ad88b3a292e50ad657c87fc165ef1bde4dba57d9616651a9b9
Status: Downloaded newer image for debian:buster
matches = 3000000
real 0m4.871s
user 0m4.871s
sys 0m0.000s
So it is not an ubuntu 18 only problem.
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>From glibc-bugs-return-43487-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 09:58:57 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 09:58:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|WORKSFORME |---
--- Comment #13 from paul.borile at gmail dot com ---
debian buster (libc-2.27) has the same problem, debian 9 (libc-2.24) does not
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Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 10:08:00 -0000
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--- Comment #14 from paul.borile at gmail dot com ---
fedora 27 and 26 are showing the same problema, fedora 25 is ok :
$ docker run -i fedora:27 /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'fedora:27' locally
27: Pulling from library/fedora
c8ae8b35783e: Pull complete
Digest: sha256:f4fb457f7cd858e0f6efa1a78390622823e83c393981b0bf91a2b6e8da3b6f50
Status: Downloaded newer image for fedora:27
matches = 3000000
real 0m4.939s
user 0m4.937s
sys 0m0.000s
$ docker run -i fedora:26 /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'fedora:26' locally
26: Pulling from library/fedora
df75b105d67a: Pull complete
Digest: sha256:b05007bacf64401663ab5d9a97d73b143a561be74a36a0f31219e5acb87fc7ec
Status: Downloaded newer image for fedora:26
matches = 3000000
real 0m4.426s
user 0m4.426s
sys 0m0.000s
$ docker run -i fedora:25 /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'fedora:25' locally
25: Pulling from library/fedora
8ab017634520: Pull complete
Digest: sha256:322cb01bbca26972c98051bacd3ab8555cec059496d64d35ee78b15de9ea0d06
Status: Downloaded newer image for fedora:25
matches = 3000000
real 0m0.468s
user 0m0.468s
sys 0m0.000s
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>From glibc-bugs-return-43489-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 10:16:58 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 10:16:00 -0000
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--- Comment #15 from Andreas Schwab <schwab@linux-m68k.org> ---
Cannot reproduce on openSUSE Tumbleweed.
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>From glibc-bugs-return-43491-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 10:25:59 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 10:25:00 -0000
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--- Comment #17 from paul.borile at gmail dot com ---
opensuse:42.3 (libc-2.22) does not have the problem. Seems that it was
introduced in libc-2.25 (fedora26 has it).
$ docker run -i opensuse:42.3 /bin/bash -c "cat > strstr ; chmod +x strstr ;
time ./strstr aa" < ./strstr
Unable to find image 'opensuse:42.3' locally
42.3: Pulling from library/opensuse
47aa660240a8: Pull complete
Digest: sha256:569e6ee7a622838b9fa1111c3bfa99a50fdb34b7503f945b7d18ce66bb94a369
Status: Downloaded newer image for opensuse:42.3
matches = 3000000
real 0m0.450s
user 0m0.450s
sys 0m0.000s
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>From glibc-bugs-return-43490-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 10:25:15 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 10:25:00 -0000
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--- Comment #16 from paul.borile at gmail dot com ---
opensuse:42.3 (libc-2.22) does not have the problem. Seems that it was
introduced in libc-2.25 (fedora26 has it).
$ docker run -i opensuse:42.3 /bin/bash -c "cat > strstr ; chmod +x strstr ;
time ./strstr aa" < ./strstr
Unable to find image 'opensuse:42.3' locally
42.3: Pulling from library/opensuse
47aa660240a8: Pull complete
Digest: sha256:569e6ee7a622838b9fa1111c3bfa99a50fdb34b7503f945b7d18ce66bb94a369
Status: Downloaded newer image for opensuse:42.3
matches = 3000000
real 0m0.450s
user 0m0.450s
sys 0m0.000s
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>From glibc-bugs-return-43492-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 10:29:04 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.27 lacks sse2 optimized strstr()
Date: Thu, 11 Oct 2018 10:29:00 -0000
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--- Comment #18 from paul.borile at gmail dot com ---
(In reply to Florian Weimer from comment #1)
> glibc 2.27 on Fedora 28 x86_64 selects __strstr_sse2.
>
> What's your architecture, and which CPU do you use?
fedora28 seems to have the problem :
$ docker run -i fedora:28 /bin/bash -c "cat > strstr ; chmod +x strstr ; time
./strstr aa" < ./strstr
Unable to find image 'fedora:28' locally
28: Pulling from library/fedora
565884f490d9: Pull complete
Digest: sha256:b41cd083421dd7aa46d619e958b75a026a5d5733f08f14ba6d53943d6106ea6d
Status: Downloaded newer image for fedora:28
matches = 3000000
real 0m4.510s
user 0m4.510s
sys 0m0.000s
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>From glibc-bugs-return-43493-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 11 10:32:37 2018
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Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
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paul.borile at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|glibc 2.27 lacks sse2 |glibc 2.25 lacks sse2
|optimized strstr() |optimized strstr()
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paul.borile at gmail dot com changed:
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----------------------------------------------------------------------------
Version|2.27 |2.25
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Thu, 11 Oct 2018 15:41:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
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--- Comment #44 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11316
--> https://sourceware.org/bugzilla/attachment.cgi?id=11316&action=edit
the patch adding translit_cyrillic and including it into locales
>
> "cyrillic" -> "Cyrillic"; "latin" -> "Latin"; "ascii" -> "ASCII".
>
>> +% Inspired by ISO 9.1995 / GOST 7.79-2000.
>> +% Covers Unicode Range https://www.unicode.org/charts/PDF/U0400.pdf
>> +% i.e [U4001-U4F9, U2019] but only the letters covered by ISO 9.1995
>
> Typos:
>
> "i.e" -> "i.e.," (somebody please fix me if I'm wrong here)
> "U4001" - I guess you meant "U0401"
> "U4F9" -> "U04F9". I think that "U4F9" is not definitely bad but
> let's be consistent.
These are all good catches. I will fix them and resubmit.
[FIXED]
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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--- Comment #45 from Egor Kobylkin <egor at kobylkin dot com> ---
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Transliteration table Cyrillic->Latin with fallback to ASCII
typos
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Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
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--- Comment #19 from paul.borile at gmail dot com ---
Created attachment 11318
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strstr executable
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Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #20 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The issue was introduced by commit 'Disable TSX on some Haswell processors.'
(2702856bf45c82cf8e69f2064f5aa15c0ceb6359) which change the some default flags
for unknown models.
Previously, new models were handled by the default switch option which assumed
a Core i3/i5/i7 if AVX is available. After the patch, Haswell models (0x3f,
0x3c, 0x45, 0x46) does not set the flags Fast_Rep_String, Fast_Unaligned_Load,
Fast_Unaligned_Copy, and Prefer_PMINUB_for_stringop for newer processors.
The most straightforward fix is to not mix the memory access flags set with
TSX, rather handle it on its own switch:
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 122372862c..ecc82fc6af 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -297,7 +297,13 @@ init_cpu_features (struct cpu_features *cpu_features)
| bit_arch_Fast_Unaligned_Copy
| bit_arch_Prefer_PMINUB_for_stringop);
break;
+ }
+ /* Disable TSX on some Haswell processors to avoid TSX on kernels that
+ weren't updated with the latest microcode package (which disables
+ broken feature by default). */
+ switch (model)
+ {
case 0x3f:
/* Xeon E7 v3 with stepping >= 4 has working TSX. */
if (stepping >= 4)
azanella@birita:~/Projects/glibc/glibc-git-work$
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Subject: [Bug time/23758] Improve the width of alternate representation for year in strftime
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--- Comment #1 from TAMUKI Shoichi <tamuki at linet dot gr.jp> ---
I sent the patch to libc-alpha:
https://sourceware.org/ml/libc-alpha/2018-10/msg00200.html
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Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
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--- Comment #21 from paul.borile at gmail dot com ---
So if cpu has the AVX set we loose all the SSE2 optimizations but we keep the
avx ones, correct ?
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--- Comment #22 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to paul.borile from comment #21)
> So if cpu has the AVX set we loose all the SSE2 optimizations but we keep
> the avx ones, correct ?
Not really, only Haswell chips in fact will have this behavior [1]:
Haswell (Client) GT3E 0 0x6 0x4 0x6 Family
6 Model 70
ULT 0 0x6 0x4 0x5 Family
6 Model 69
S 0 0x6 0x3 0xC Family
6 Model 60
Haswell (Server) E, EP, EX 0 0x6 0x3 0xF Family
6 Model 63
On these chips the internal glibc flags bit_arch_Fast_Rep_String,
bit_arch_Fast_Unaligned_Load, bit_arch_Fast_Unaligned_Copy, and
bit_arch_Prefer_PMINUB_for_stringop won't be set:
The bit_arch_Fast_Rep_String is only used on ifunc selection on i686 (32-bits)
and it selects the *ssse3_rep* memcpy, memmove, bcopy, and mempcpy. It it is
not set the *ssse3* variant is used instead (not sure which is the performance
difference between them).
The bit_arch_Fast_Unaligned_Load influences both i686 and x86_64. For x86_64 it
influences the selections of the SSE2 unaligned optimization variants for
stpncpy, strcpy, strncpy, stpcpy, strncat, strcat, and strstr. For all but
strstr an ssse3 or sse2 variant is used instead (not sure either which is the
performance difference between them).
The bit_arch_Fast_Unaligned_Copy influences mempcpy, memmove, and memcpy. If
chip has not SSE3 the bit will select either a RMS or a unaligned variant. For
Haswell the *_avx_unaligned_erms variants will be selected, so this bits won't
interfere with best selections.
The bit_arch_PMINUB_for_stringop is not used on ifunc selection.
[1] https://en.wikichip.org/wiki/intel/cpuid
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/20209] Spelling mistake for Sunday in Greenlandic kl_GL
Date: Sat, 13 Oct 2018 10:03:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, aaribaud/2.28/master has been deleted
was 5473739a7b44f27965b70d1acf480f5f72603e78
- Log -----------------------------------------------------------------
5473739a7b44f27965b70d1acf480f5f72603e78 kl_GL: Fix spelling of Sunday, should
be "sapaat" (bug 20209).
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>From glibc-bugs-return-43504-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 14 08:58:51 2018
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Subject: [Bug localedata/23774] New: lv_LV collates Y/y incorrectly
Date: Sun, 14 Oct 2018 08:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23774
Bug ID: 23774
Summary: lv_LV collates Y/y incorrectly
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: danko at very dot lv
CC: libc-locales at sourceware dot org, maiku.fabian at gmail dot com
Target Milestone: ---
Commit 159738548130d5ac4fe6178977e940ed5f8cfdc4 introduced this change in the
lv_LV locale:
-<U0079> <i>;<PCL>;<MIN>;IGNORE % y
-<U0059> <i>;<PCL>;<CAP>;IGNORE % Y
+<U0079> <S0069>;<LOWLINE>;<MIN>;IGNORE % y
+<U0059> <S0069>;<LOWLINE>;<CAP>;IGNORE % Y
I don't know what "PCL" meant and whether "Y" was supposed to be "BASE" in the
first place, but "LOWLINE" certainly looks like a bug.
Letter Y is not present in the Latvian alphabet, however it is present in
Latgalian and is located after I, which is what the CLDR rule seems to suggest:
&I<<y<<<Y
I found this by accident while investigating the result of this command on my
system (with LANG being lv_LV.UTF-8)
$ echo abcxyz | grep -Eo '[a-z]+'
abcx
z
I'm sorry if I misunderstood something as I've never worked with either glibc
or CLDR locales directly before.
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Subject: [Bug regex/23744] regex refactorings to remove BE, avoid duplication
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eggert at cs dot ucla.edu changed:
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--- Comment #2 from eggert at cs dot ucla.edu ---
I installed the patches and am marking this report as fixed.
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Subject: [Bug localedata/23774] lv_LV collates Y/y incorrectly
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Danko Alexeyev from comment #0)
> Commit 159738548130d5ac4fe6178977e940ed5f8cfdc4 introduced this change in
> the lv_LV locale:
>
> -<U0079> <i>;<PCL>;<MIN>;IGNORE % y
> -<U0059> <i>;<PCL>;<CAP>;IGNORE % Y
> +<U0079> <S0069>;<LOWLINE>;<MIN>;IGNORE % y
> +<U0059> <S0069>;<LOWLINE>;<CAP>;IGNORE % Y
>
> I don't know what "PCL" meant and whether "Y" was supposed to be "BASE" in
> the first place, but "LOWLINE" certainly looks like a bug.
PCL was an old collation symbol which was used in an older version of
the glibc/localedata/locales/iso14651_t1_common file. It was a second
level collation symbol.
To get the right sort order, replacing it by any existing secondary
collation symbol except "BASE" works fine here.
The current glibc/localedata/locales/iso14651_t1_common contains:
% Second-level collating symbols
collating-symbol <BASE>
collating-symbol <LOWLINE> % COMBINING LOW LINE
collating-symbol <PSILI> % COMBINING COMMA ABOVE
collating-symbol <DASIA> % COMBINING REVERSED COMMA ABOVE
collating-symbol <AIGUT> % COMBINING ACUTE ACCENT
...
<BASE> means base letter, all the following collation symbols can be used
to indicate secondary differences to base letters. As there is nothing
particularly appropriate for the difference between i and y, it doesn’t
really matter which one is used, so I did choose the first one, LOWLINE.
> Letter Y is not present in the Latvian alphabet, however it is present in
> Latgalian and is located after I, which is what the CLDR rule seems to
> suggest:
>
> &I<<y<<<Y
This rule means that y is sorted after I *but* only as secondary difference
("<" is a primary difference, "<<" is a secondary difference, "<<<" is a
tertiary difference).
Secondary differences are "accent" differences, i.e. y is treated here
not as a really different letter from I (That would be a primary difference),
but as a "accent" variation of I. Tertiary differences are often used
for upper/lower differences, which is the case here, i.e. the difference
between y and Y is a upper/lower difference.
If you look at the sorting test file for lv_LV.UTF-8:
glibc/localedata/lv_LV.UTF-8.in
you will find that it contains:
i
I
Ä«
Ī
y
Y
ia
Ia
Ä«a
Īa
ya
Ya
ib
Ib
Ä«b
Īb
yb
Yb
If y were primary different from i, ya would be sorted *after* ib.
But as it is only a secondary difference, the primary difference between
a and b decides the order for the strings ya and ib.
> I found this by accident while investigating the result of this command on
> my system (with LANG being lv_LV.UTF-8)
>
> $ echo abcxyz | grep -Eo '[a-z]+'
> abcx
> z
>
> I'm sorry if I misunderstood something as I've never worked with either
> glibc or CLDR locales directly before.
This fails for other reasons, not because of the use of LOWLINE.
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Subject: [Bug localedata/23774] lv_LV collates Y/y incorrectly
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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CC| |codonell at redhat dot com
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23774] lv_LV collates Y/y incorrectly
Date: Mon, 15 Oct 2018 12:34:00 -0000
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--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
See also
https://bugzilla.redhat.com/show_bug.cgi?id=1631472#c3
for a similar case in Swedish.
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
I think the best we can do is document it as a weirdness in the nscd protocol.
Fixing that would require changes in both nscd and libc, and would break
interoperability if only one of them is fixed.
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>From glibc-bugs-return-43510-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 18:55:18 2018
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Subject: [Bug nscd/23757] services number stored in wrong endianness
Date: Mon, 15 Oct 2018 18:55:00 -0000
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--- Comment #2 from dj at redhat dot com <dj at redhat dot com> ---
I agree about the compatibility problem, but don't we update nscd and libc.so
at the same time? Does anything else know about the nscd database format?
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>From glibc-bugs-return-43511-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 19:16:42 2018
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Subject: [Bug nscd/23757] services number stored in wrong endianness
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
It's not only about the database, it's part of the communication protocol.
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>From glibc-bugs-return-43512-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 19:21:09 2018
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Subject: [Bug locale/23777] New: possible paste-o's in locale programs
Date: Mon, 15 Oct 2018 19:21:00 -0000
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Bug ID: 23777
Summary: possible paste-o's in locale programs
Product: glibc
Version: unspecified
Status: NEW
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Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
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Created attachment 11327
--> https://sourceware.org/bugzilla/attachment.cgi?id=11327&action=edit
patch showing paste-os and fixes
There are two places in two of the locale utility programs that look like paste
errors. While the logic may "just work" this is picked up by a coverty scan.
The ld-collate one is a "will work" paste-o but IMHO should be fixed so it
reads right for future developers.
The ld-ctype one is more subtle but given the context it seems the right fix.
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>From glibc-bugs-return-43513-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 19:25:12 2018
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Subject: [Bug nscd/23757] services number stored in wrong endianness
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--- Comment #4 from dj at redhat dot com <dj at redhat dot com> ---
same question then, for completeness... is there anything besides nscd and
libc.so that talks the nscd protocol?
and/or does this swapping bug affect the protocol? I haven't looked to see if
the protocol has the binary form (swapped or otherwise) or the ascii form
(wrong endian)
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>From glibc-bugs-return-43514-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 19:32:54 2018
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Subject: [Bug locale/23778] New: minor memory leaks in locale programs
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Bug ID: 23778
Summary: minor memory leaks in locale programs
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Created attachment 11328
--> https://sourceware.org/bugzilla/attachment.cgi?id=11328&action=edit
patch showing leaks and suggested fixes
While these programs are run-once-exit, coverty notices that some memory is
either leaked or possibly misused (it's not, but the logic is too subtle for
coverty ;)
So consider this a "cleanup bug" to make the code a little more "correct".
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>From glibc-bugs-return-43515-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 19:49:19 2018
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Subject: [Bug nscd/23757] services number stored in wrong endianness
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
The protocol uses the ascii form, see nscd/nscd_getsrv_r.c.
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>From glibc-bugs-return-43516-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 15 23:44:04 2018
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Subject: [Bug time/11620] Bad design of timezone conversions
Date: Mon, 15 Oct 2018 23:44:00 -0000
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----------------------------------------------------------------------------
CC| |eggert at cs dot ucla.edu
--- Comment #10 from eggert at cs dot ucla.edu ---
Also see coreutils bugs 9614, 11748, and 14229. Adding a tzdb-style API will
improve coreutils by letting it diagnose invalid TZ values. See:
https://bugs.gnu.org/9614
https://bugs.gnu.org/11748
https://bugs.gnu.org/14229
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Severity|normal |enhancement
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>From glibc-bugs-return-43518-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 08:18:59 2018
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Egor Kobylkin <egor at kobylkin dot com> changed:
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----------------------------------------------------------------------------
Attachment #11316|0 |1
is obsolete| |
--- Comment #46 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11334
--> https://sourceware.org/bugzilla/attachment.cgi?id=11334&action=edit
the patch adding translit_cyrillic and including it into locales
now against the glibc 2.28 source
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>From glibc-bugs-return-43519-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 13:15:41 2018
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>From glibc-bugs-return-43520-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 13:44:10 2018
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Subject: [Bug nscd/23757] services number stored in wrong endianness
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to dj@redhat.com from comment #4)
> same question then, for completeness... is there anything besides nscd and
> libc.so that talks the nscd protocol?
There's an alternative server implementation for the protocol:
https://git.donarmstrong.com/unscd.git
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>From glibc-bugs-return-43521-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 13:46:16 2018
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Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
What's your glibc version? 2.13? Is it patched in some way?
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>From glibc-bugs-return-43522-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 14:54:08 2018
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From: "bastiangermann at fishpost dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23783] New: [mips] Missing CMSPAR bits/termios.h
Date: Tue, 16 Oct 2018 14:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23783
Bug ID: 23783
Summary: [mips] Missing CMSPAR bits/termios.h
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: bastiangermann at fishpost dot de
CC: drepper.fsp at gmail dot com
Target Milestone: ---
The MIPS bits/termios.h does not define CMSPAR.
I have encountered the bug in glibc version 2.27. It was also found by the
Buildroot project in 2015 and is probably around since 2005 (commit
65fb0d218921) and is not fixed in the current master.
From
https://git.busybox.net/buildroot/commit/?id=78cd32631e959e04b1a2f18be7b0757e21482438
glibc has two flavours of bits/termios.h: a generic one and an
architecture-specific one. When installing, glibc will install the
architecture-specific file if it exists, otherwise it installs the generic
file. Only Alpha, MIPS, PPC and Sparc have their own bits/termios.h.
The generic bits/termios.h, as well as the Alpha, PPC and Sparc flavours do
define CMSPAR. However, the MIPS flavour does not define it.
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>From glibc-bugs-return-43523-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 15:27:39 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23784] New: Spurious failure of nptl/tst-default-attr on hifive-u platform
Date: Tue, 16 Oct 2018 15:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23784
Bug ID: 23784
Summary: Spurious failure of nptl/tst-default-attr on hifive-u
platform
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: schwab@linux-m68k.org
CC: drepper.fsp at gmail dot com
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Host: riscv*-*-*
The tst-default-attr test assumes that cpu 0 is a valid cpu number, but that
isn't true on the SiFive HiFive-U platform, where cpu 0 is a different core
than the other cpus and not available for general computing.
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>From glibc-bugs-return-43524-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 16 15:31:18 2018
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Subject: [Bug libc/23784] Spurious failure of nptl/tst-default-attr on hifive-u platform
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|2.26 |2.27
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>From glibc-bugs-return-43525-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 01:24:24 2018
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From: "marcin at sacha dot pl" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 17 Oct 2018 01:24:00 -0000
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--- Comment #7 from Marcin <marcin at sacha dot pl> ---
I use standard, non-patched version of libc, provided as a package in Debian
Wheezy distro. v2.13.
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>From glibc-bugs-return-43526-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 07:08:57 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 17 Oct 2018 07:08:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Marcin from comment #7)
> I use standard, non-patched version of libc, provided as a package in Debian
> Wheezy distro. v2.13.
I see. Thanks.
How do you link the DSO? Could you attach both binaries to the bug?
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>From glibc-bugs-return-43527-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 10:24:28 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23275] Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
Date: Wed, 17 Oct 2018 10:24:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 403b4feb22dcbc85ace72a361d2a951380372471 (commit)
from ce5a7de6cd1479a1e78fda0db023bd4effa072a4 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=403b4feb22dcbc85ace72a361d2a951380372471
commit 403b4feb22dcbc85ace72a361d2a951380372471
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++
nptl/Makefile | 8 +-
nptl/pthreadP.h | 12 ++-
nptl/pthread_mutex_consistent.c | 7 +-
nptl/pthread_mutex_destroy.c | 11 ++-
nptl/pthread_mutex_getprioceiling.c | 4 +-
nptl/pthread_mutex_init.c | 14 ++-
nptl/pthread_mutex_lock.c | 28 +++++--
nptl/pthread_mutex_setprioceiling.c | 7 +-
nptl/pthread_mutex_timedlock.c | 17 +++-
nptl/pthread_mutex_trylock.c | 17 +++-
nptl/pthread_mutex_unlock.c | 17 +++-
nptl/tst-mutex10.c | 109 +++++++++++++++++++++++
sysdeps/nptl/bits/thread-shared-types.h | 22 +++++-
sysdeps/unix/sysv/linux/powerpc/force-elision.h | 44 ++++++++-
sysdeps/unix/sysv/linux/s390/force-elision.h | 44 ++++++++-
sysdeps/unix/sysv/linux/x86/force-elision.h | 44 ++++++++-
17 files changed, 386 insertions(+), 50 deletions(-)
create mode 100644 nptl/tst-mutex10.c
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>From glibc-bugs-return-43528-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 10:26:05 2018
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Subject: [Bug nptl/23275] Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
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Stefan Liebler <stli at linux dot ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Stefan Liebler <stli at linux dot ibm.com> ---
Fixed with commit in comment 1
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Subject: [Bug libc/23783] [mips] Missing CMSPAR bits/termios.h
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CC| |costamagnagianfranco@yahoo.
| |it
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>From glibc-bugs-return-43531-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 13:46:19 2018
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From: "marcin at sacha dot pl" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 17 Oct 2018 13:46:00 -0000
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--- Comment #9 from Marcin <marcin at sacha dot pl> ---
I think I can, but what do you mean "DSO"?
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Marcin from comment #9)
> I think I can, but what do you mean "DSO"?
Dynamic shared object, so the .so file. Technically, it's not a “libraryâ€
because it's not a file that contains multiple objects, it's a single linked
object.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Wed, 17 Oct 2018 13:54:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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is obsolete| |
--- Comment #46 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11334
--> https://sourceware.org/bugzilla/attachment.cgi?id=11334&action=edit
the patch adding translit_cyrillic and including it into locales
now against the glibc 2.28 source
--- Comment #47 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11335
--> https://sourceware.org/bugzilla/attachment.cgi?id=11335&action=edit
copy of localedata/bug-iconv-trans.c for cyrillic
saved as UTF-8 as opposed to the original ISO-8859-15
--- bug-iconv-trans.c 2018-10-15 11:53:51.509030034 +0000
+++ bug-iconv-trans-cyr.c 2018-10-15 11:54:02.385071250 +0000
@@ -7,8 +7,8 @@
main (void)
{
iconv_t cd;
- const char str[] = "�������";
- const char expected[] = "AEaeOEoeUEuess";
+ const char str[] =
"CyrillicLetters_ÐЂЃЄЅІЇЈЉЊЋЌЎÐÐБВГДЕЖЗИЙКЛМÐОПРСТУУÌФХЦЧШЩЪЫЬÐЮЯабвгдежзийклмнопрÑтууÌфхцчшщъыьÑÑŽÑёђѓєѕіїјљњћќўџѪѫѲѳѴѵҌÒÒÒ‘Ò’Ò“Ò”Ò•Ò–Ò—ÒšÒ›ÒžÒŸÒ¢Ò£Ò¤Ò¥Ò¦Ò§Ò¨Ò©ÒªÒ«Ò¬ÒÒ®Ò¯Ò²Ò³Ò´ÒµÒºÒ»Ò¼Ò½Ò¾Ò¿Ó€ÓÓ‚Ó‹ÓŒÓÓ‘Ó’Ó“Ó–Ó—Ó˜Ó™ÓœÓÓžÓŸÓ Ó¡Ó¤Ó¥Ó¦Ó§Ó¨Ó©Ó°Ó±Ó²Ó³Ó´ÓµÓ¸Ó¹â€™";
+ const char expected[] =
"CyrillicLetters_YODJG`YEZ`IYIJL`N`TSHK`U`DHABVGDEZHZIJKLMNOPRSTUUFHCCHSHSHHA`Y`E`YUYAabvgdezhzijklmnoprstuufhcchshshh``y`e`yuyayodjg`yez`iyijl`n`tshk`u`dhO`o`FHfhYHyhE`e`G`g`GHghGHghZH`zh`K`k`K`k`N`n`NGngP`p`O`o`C`C`T`t`UuH`h`TCZtczSH`SH`CH`ch`CH`ch`iZH`zh`CH`ch`A`a`A`a`E`e`A`a`ZH`zh`Z`z`Z`z`I`i`O`o`O`o`U`u`U`u`CH`ch`Y`y`'";
char *inptr = (char *) str;
size_t inlen = strlen (str) + 1;
char outbuf[500];
@@ -23,7 +23,7 @@
return 1;
}
- cd = iconv_open ("ANSI_X3.4-1968//TRANSLIT", "ISO-8859-1");
+ cd = iconv_open ("ANSI_X3.4-1968//TRANSLIT", "UTF-8");
if (cd == (iconv_t) -1)
{
puts ("iconv_open failed");
@@ -31,7 +31,7 @@
}
n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
- if (n != 7)
+ if (n != 174)
{
if (n == (size_t) -1)
--- Comment #48 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11340
--> https://sourceware.org/bugzilla/attachment.cgi?id=11340&action=edit
Transliteration table Cyrillic->Latin with fallback to ASCII
fixed capitalisation for the historic letters
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--- Comment #49 from Egor Kobylkin <egor at kobylkin dot com> ---
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the patch adding translit_cyrillic and including it into locales
updating timestamps
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Subject: [Bug locale/22062] Unnecessary locking when reading configuration in iconv/gconv_conf.c
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This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c5288d378ad258d2e8e8cb174be3b9f233a312eb
commit c5288d378ad258d2e8e8cb174be3b9f233a312eb
Author: Arjun Shankar <arjun@redhat.com>
Date: Wed Oct 17 17:47:29 2018 +0200
Remove unnecessary locking when reading iconv configuration [BZ #22062]
In iconv/gconv_conf.c, __gconv_get_path unnecessarily obtains a lock when
populating the array pointed to by __gconv_path_elem. The locking is not
necessary because all calls to __gconv_read_conf (which in turn calls
__gconv_get_path) are serialized using __libc_once.
This patch:
- removes all locking in __gconv_get_path;
- replaces all explicitly serialized __gconv_read_conf calls with calls to
__gconv_load_conf, a new wrapper that is serialized internally;
- adds a new test, iconv/tst-iconv_mt.c, to exercise iconv initialization,
usage, and cleanup in a multi-threaded program;
- indents __gconv_get_path correctly, removing tab characters (which makes
the patch look a little bigger than it really is).
After removing the unnecessary locking, it was confirmed that the test case
fails if the relevant __libc_once is removed. Additionally, four localedata
and iconvdata tests also fail. This gives confidence that the testsuite
sufficiently guards against some regressions relating to multi-threading
with iconv.
Tested on x86_64 and i686.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 16 ++++
iconv/Makefile | 5 +-
iconv/gconv_conf.c | 208 ++++++++++++++++++++++++++------------------------
iconv/gconv_db.c | 8 +--
iconv/gconv_int.h | 4 +-
iconv/tst-iconv-mt.c | 142 ++++++++++++++++++++++++++++++++++
6 files changed, 275 insertions(+), 108 deletions(-)
create mode 100644 iconv/tst-iconv-mt.c
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>From glibc-bugs-return-43540-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 17:37:49 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23783] [mips] Missing CMSPAR bits/termios.h
Date: Wed, 17 Oct 2018 17:37:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-10-17
CC| |adhemerval.zanella at linaro dot o
| |rg
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Ever confirmed|0 |1
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Indeed this is missing from MIPS termios.h installed header. I have sent a
patchset upstream that consolidates the termios.h over Linux and it fixes this
issue.
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>From glibc-bugs-return-43541-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 17:39:45 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23783] [mips] Missing CMSPAR bits/termios.h
Date: Wed, 17 Oct 2018 17:39:00 -0000
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Also as a side note, it is unfortunate that conform tests only checks for POSIX
definitions on termios.h.
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>From glibc-bugs-return-43542-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 19:33:46 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 17 Oct 2018 19:33:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #11 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Created attachment 11342
--> https://sourceware.org/bugzilla/attachment.cgi?id=11342&action=edit
Testcase based on previous one
I can't reproduce it with master glibc on x86_64 (testcase bz23751.tar.bz).
What does it print on 2.13? In any case I think it is up to bring this to
Debian to check if they are willing to backport possible fix for this.
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>From glibc-bugs-return-43543-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 20:11:40 2018
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Subject: [Bug manual/18188] Description of crypt(3) is insufficient for using
Date: Wed, 17 Oct 2018 20:11:00 -0000
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Zack Weinberg <zackw at panix dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |zackw at panix dot com
Version|2.11 |2.28
Resolution|--- |FIXED
--- Comment #3 from Zack Weinberg <zackw at panix dot com> ---
The "Cryptographic Functions" section of the manual was rewritten in 2.28, and
I believe it now adequately explains how to generate a salt string for any of
the one-way functions that glibc upstream supports. Note that $2a$ (bcrypt) is
_not_ one of those functions. Distributions that patched bcrypt support into
their glibc should consider adding a table entry for at least $2b$ (the current
preferred prefix for bcrypt) to the table in the documentation for `crypt`.
Going forward the plan is to transfer libcrypt to a separate development
project that can be more agile. Once the handoff is complete, this entire
section of the manual may be dropped, or replaced with a cross-reference to
their documentation.
I'm going to close this bug report now. Ulrich, if you still have concerns
about the documentation currently visible at
https://www.gnu.org/software/libc/manual/html_node/Passphrase-Storage.html ,
please feel free to reopen and explain what still needs to be done, and/or to
file a new issue.
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>From glibc-bugs-return-43544-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 17 21:41:01 2018
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From: "marcin at sacha dot pl" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
Date: Wed, 17 Oct 2018 21:41:00 -0000
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--- Comment #12 from Marcin <marcin at sacha dot pl> ---
Well, I can confirm, the provided testcase shows the correct results. And I
found the problem cause. I made a shared object using plain "ld --shared"
command, while the testcase uses higher level "gcc -shared". And it makes a
difference. It seems, it was my fault...
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Subject: [Bug librt/20489] Symbol versioning does not work as intended when not linking against glibc DSOs
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--- Comment #21 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 23751 has been marked as a duplicate of this bug. ***
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Subject: [Bug librt/20489] Symbol versioning does not work as intended when not linking against glibc DSOs
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|timer_create in |Symbol versioning does not
|compatibility mode on a |work as intended when not
|64bit big-endian system |linking against glibc DSOs
|segfaults |
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Subject: [Bug libc/23751] Malfunction of semctl() called from a shared object
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #13 from Florian Weimer <fweimer at redhat dot com> ---
Correct, our current header-less implementation of symbol versioning requires
that you link against all glibc DSOs you use.
*** This bug has been marked as a duplicate of bug 20489 ***
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>From glibc-bugs-return-43548-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 01:41:40 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23789] New: mktime does not set errno on failure
Date: Thu, 18 Oct 2018 01:41:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23789
Bug ID: 23789
Summary: mktime does not set errno on failure
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: time
Assignee: unassigned at sourceware dot org
Reporter: eggert at cs dot ucla.edu
Target Milestone: ---
Created attachment 11343
--> https://sourceware.org/bugzilla/attachment.cgi?id=11343&action=edit
test program that fails on 32-bit glibc
A while ago, POSIX added a requirement to 'mktime' that it must set errno on
failure. Probably this was around 2001. However, glibc mktime never got updated
to set errno and this should be fixed. I'll attach a program to illustrate the
bug. Compile and run it with 'gcc -m32 mktime-test.c'. It should exit with
status 0, but exits with status 2 because mktime does not set errno when it
fails.
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>From glibc-bugs-return-43551-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 01:51:41 2018
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Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
Date: Thu, 18 Oct 2018 01:51:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
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| |illa/show_bug.cgi?id=23790
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>From glibc-bugs-return-43549-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 01:51:26 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23790] New: Data race in _dl_profile_fixup with reloc_result update from multiple threads.
Date: Thu, 18 Oct 2018 01:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23790
Bug ID: 23790
Summary: Data race in _dl_profile_fixup with reloc_result
update from multiple threads.
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
There is a data race in _dl_profile_fixup where multiple threads may enter from
the same PLT entry, and update the same reloc_result index entry.
This is similar to the data dependency issues from bug 23690, but there we only
look to solve the issue for threads that find the guard variable indicating the
structure is initialized only to see incomplete writes to the structure and
crash.
The fix is for _dl_profile_fixup to be rewritten such that the threads work on
a local copy of a struct reloc_result and then use a RMW sequence to place it
into the final array, and thus we avoid the data races.
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>From glibc-bugs-return-43550-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 01:51:41 2018
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Subject: [Bug dynamic-link/23790] Data race in _dl_profile_fixup with reloc_result update from multiple threads.
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Carlos O'Donell <carlos at redhat dot com> changed:
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| |illa/show_bug.cgi?id=23690
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>From glibc-bugs-return-43552-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 01:52:44 2018
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Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Just to be clear here, this bug is only about fixing the data dependency issue
for threads that see the struct reloc_result as being initialized, but then see
incomplete writes to the structure.
I have filed bug 23790 to fix the remaining data races in the reloc_result
updates.
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>From glibc-bugs-return-43553-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 02:19:19 2018
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Subject: [Bug dynamic-link/23790] Data race in _dl_profile_fixup with reloc_result update from multiple threads.
Date: Thu, 18 Oct 2018 02:19:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
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>From glibc-bugs-return-43554-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 09:46:21 2018
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From: "sergi at koolpi dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23791] New: Wrong monetary format for ca_ES locale
Date: Thu, 18 Oct 2018 09:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23791
Bug ID: 23791
Summary: Wrong monetary format for ca_ES locale
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: sergi at koolpi dot com
CC: libc-locales at sourceware dot org
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In Catalan language the monetary numbers are formatted as "1.200,00€" [1] but
acording to the locale definition they are formated as "€ 1200,00". See:
(nclone) pokoli@archy » python
Python 3.7.0 (default, Sep 15 2018, 19:13:07)
[GCC 8.2.1 20180831] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import locale
>>> locale.setlocale(locale.LC_ALL, '')
'ca_AD.UTF-8'
>>> locale.currency(1234)
'€ 1234,00'
I'm using ca_AD but it inherits the definition from ca_ES
CLDR[2] has the following definition:
<currencyFormat type="standard">
<pattern>#,##0.00 ¤</pattern>
</currencyFormat>
<currencyFormat type="accounting">
<pattern>#,##0.00 ¤;(#,##0.00 ¤)</pattern>
</currencyFormat>
[1]
https://www.uoc.edu/portal/ca/servei-linguistic/convencions/escriptura-numerals/index.html
[2] http://unicode.org/cldr/trac/browser/trunk/common/main/ca.xml#L5548
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>From glibc-bugs-return-43555-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 10:23:01 2018
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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--- Comment #1 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
Created attachment 11344
--> https://sourceware.org/bugzilla/attachment.cgi?id=11344&action=edit
Patch to fix the issue
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Thu, 18 Oct 2018 10:23:00 -0000
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--- Comment #2 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
I've uploaded a patch that copies the definition from es_ES as we normally use
the same numeric format that in Spanish.
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From: "sergi at koolpi dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Thu, 18 Oct 2018 10:29:00 -0000
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Sergi Almacellas Abellana <sergi at koolpi dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11344|0 |1
is obsolete| |
--- Comment #3 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
Created attachment 11345
--> https://sourceware.org/bugzilla/attachment.cgi?id=11345&action=edit
patch_v2(improved commit msg)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23275] Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
Date: Thu, 18 Oct 2018 10:36:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.27/master has been updated
via 5bdb6897fcb0d7d7101391534e229a65ba56338b (commit)
from a127df9f3ec6de1d59d8f864a1e9b60da859f269 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5bdb6897fcb0d7d7101391534e229a65ba56338b
commit 5bdb6897fcb0d7d7101391534e229a65ba56338b
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++
nptl/Makefile | 8 +-
nptl/pthreadP.h | 12 ++-
nptl/pthread_mutex_consistent.c | 7 +-
nptl/pthread_mutex_destroy.c | 11 ++-
nptl/pthread_mutex_getprioceiling.c | 4 +-
nptl/pthread_mutex_init.c | 14 ++-
nptl/pthread_mutex_lock.c | 28 +++++--
nptl/pthread_mutex_setprioceiling.c | 7 +-
nptl/pthread_mutex_timedlock.c | 17 +++-
nptl/pthread_mutex_trylock.c | 17 +++-
nptl/pthread_mutex_unlock.c | 17 +++-
nptl/tst-mutex10.c | 109 +++++++++++++++++++++++
sysdeps/nptl/bits/thread-shared-types.h | 22 +++++-
sysdeps/unix/sysv/linux/powerpc/force-elision.h | 44 ++++++++-
sysdeps/unix/sysv/linux/s390/force-elision.h | 44 ++++++++-
sysdeps/unix/sysv/linux/x86/force-elision.h | 44 ++++++++-
17 files changed, 386 insertions(+), 50 deletions(-)
create mode 100644 nptl/tst-mutex10.c
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>From glibc-bugs-return-43559-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 10:37:17 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23275] Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
Date: Thu, 18 Oct 2018 10:37:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++
nptl/Makefile | 8 +-
nptl/pthreadP.h | 12 ++-
nptl/pthread_mutex_consistent.c | 7 +-
nptl/pthread_mutex_destroy.c | 11 ++-
nptl/pthread_mutex_getprioceiling.c | 4 +-
nptl/pthread_mutex_init.c | 14 ++-
nptl/pthread_mutex_lock.c | 28 +++++--
nptl/pthread_mutex_setprioceiling.c | 7 +-
nptl/pthread_mutex_timedlock.c | 17 +++-
nptl/pthread_mutex_trylock.c | 17 +++-
nptl/pthread_mutex_unlock.c | 17 +++-
nptl/tst-mutex10.c | 109 +++++++++++++++++++++++
sysdeps/nptl/bits/thread-shared-types.h | 22 +++++-
sysdeps/unix/sysv/linux/powerpc/force-elision.h | 44 ++++++++-
sysdeps/unix/sysv/linux/s390/force-elision.h | 44 ++++++++-
sysdeps/unix/sysv/linux/x86/force-elision.h | 44 ++++++++-
17 files changed, 386 insertions(+), 50 deletions(-)
create mode 100644 nptl/tst-mutex10.c
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23790] Data race in _dl_profile_fixup with reloc_result update from multiple threads.
Date: Thu, 18 Oct 2018 11:47:00 -0000
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Subject: [Bug time/23758] Improve the width of alternate representation for year in strftime
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Subject: [Bug dynamic-link/23734] la_symbind*() doesn't get called when LD_BIND_NOW is set
Date: Thu, 18 Oct 2018 11:51:00 -0000
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Subject: [Bug dynamic-link/23716] _dl_runtime_resolve_shstk isn't selected properly
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>From glibc-bugs-return-43563-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 11:52:12 2018
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Subject: [Bug malloc/23733] Check the count before calling tcache_get()
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
This is merely security hardening, so flagging it as security-.
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>From glibc-bugs-return-43565-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 11:53:33 2018
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Subject: [Bug libc/23689] Bug in documentation for rusage.ru_ixrss in bits/types/struct_rusage.h
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Florian Weimer <fweimer at redhat dot com> changed:
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Status|UNCONFIRMED |ASSIGNED
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>From glibc-bugs-return-43566-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 12:11:16 2018
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Subject: [Bug time/23603] mktime signed integer overflow on large timestamps
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>From glibc-bugs-return-43567-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 12:11:34 2018
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Subject: [Bug build/23597] support/test-container.c doesn't work with different filesystems
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>From glibc-bugs-return-43568-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 12:37:30 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23784] Spurious failure of nptl/tst-default-attr on hifive-u platform
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Is it just a SiFive HiFive-U or is it a RISC-V general issue? Does
sched_setaffinity fail when trying to bind to core 0? If is the case we can use
to check sequentially starting with core 0.
As a side-note, why export the core information to system if this is not
directly accessible?
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>From glibc-bugs-return-43569-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 12:38:53 2018
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Subject: [Bug malloc/23741] Missing __attribute_alloc_size__ in many allocation functions
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
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>From glibc-bugs-return-43570-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 12:47:00 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23689] Bug in documentation for rusage.ru_ixrss in bits/types/struct_rusage.h
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I don't this we should extend this documentation more that what it is, since at
least for Linux latest man-pages states [1] the field is currently unused
(indeed check on source code, it seems there is no actively code that updates
it).
[1] http://man7.org/linux/man-pages/man2/getrusage.2.html
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23689] Bug in documentation for rusage.ru_ixrss in bits/types/struct_rusage.h
Date: Thu, 18 Oct 2018 12:49:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
I think the request here is to remove the extraneous comment from the header
file. I will send a patch.
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23784] Spurious failure of nptl/tst-default-attr on hifive-u platform
Date: Thu, 18 Oct 2018 12:50:00 -0000
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
sched_setaffinity is failing for cpu 0.
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Subject: [Bug libc/23579] Errors misreported in preadv2
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
Flags| |security-
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>From glibc-bugs-return-43574-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 12:51:04 2018
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Subject: [Bug libc/23569] FAQ mentions deprecated -mcpu= , should probably be -marchDate: Thu, 18 Oct 2018 12:51:00 -0000
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Subject: [Bug localedata/23792] fr_FR.UTF8 thousands separator is not C++ conforming
Date: Thu, 18 Oct 2018 12:54:00 -0000
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Richard Biener <rguenth at gcc dot gnu.org> changed:
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See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=87642
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From: "rguenth at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23792] New: fr_FR.UTF8 thousands separator is not C++ conforming
Date: Thu, 18 Oct 2018 12:54:00 -0000
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Bug ID: 23792
Summary: fr_FR.UTF8 thousands separator is not C++ conforming
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: rguenth at gcc dot gnu.org
CC: libc-locales at sourceware dot org
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Appearantly C++ says it has to be a single character. Testcase:
#include <iostream>
#include <locale>
using namespace std;
int
main()
{
locale::global(locale(""));
cout.imbue(locale());
cout << 1000 << endl;
}
> LANG=fr_FR.UTF8 ./a.out
1�000
> LANG=fr_FR.UTF8 ./a.out | hexdump -c
0000000 1 342 0 0 0 \n
0000006
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Subject: [Bug localedata/23792] fr_FR.UTF8 thousands separator is not C++ conforming
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--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
It worked with glibc 2.22 where it was ' '.
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Subject: [Bug libc/23569] FAQ mentions deprecated -mcpu= , should probably be -marchDate: Thu, 18 Oct 2018 13:21:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Thanks, I changed the wiki page.
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Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-10-18
CC| |fweimer at redhat dot com
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Ever confirmed|0 |1
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I will post the patch to libc-alpha.
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>From glibc-bugs-return-43580-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 13:36:17 2018
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From: "ahajkova at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/17630] endless loop in getaddr_r (CVE-2014-9402)
Date: Thu, 18 Oct 2018 13:36:00 -0000
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Alexandra Hájková <ahajkova at redhat dot com> changed:
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--- Comment #26 from Alexandra Hájková <ahajkova at redhat dot com> ---
DNS response which triggers the bug, glibc-2.17-196.el7.x86_64
dig 4.0.41.198.in-addr.arpa. ANY
; <<>> DiG 9.9.4-RedHat-9.9.4-50.el7 <<>> 4.0.41.198.in-addr.arpa. ANY
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61532
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;4.0.41.198.in-addr.arpa. IN ANY
;; ANSWER SECTION:
4.0.41.198.in-addr.arpa. 900 IN PTR a.root-servers.net.
;; Query time: 30 msec
;; SERVER: 172.16.36.2#53(172.16.36.2)
;; WHEN: Thu Oct 18 09:33:48 EDT 2018
;; MSG SIZE rcvd: 84
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>From glibc-bugs-return-43581-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 14:37:41 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23741] Missing __attribute_alloc_size__ in many allocation functions
Date: Thu, 18 Oct 2018 14:37:00 -0000
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--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
It has been discussed how to handle objects larger than PTRDIFF_MAX on GCC
PR#67999 [1] and I think the issue is now glibc *does* allow such objects.
We do use on C11 aligned_alloc, but my guess is to enforce size is multiple
than alignment instead of enforcing object size are no larger than PTRDIFF_MAX.
It seems that some *very* specific programs does allocate objects larger
PTRDIFF_MAX, as indicated by Florian in GCC PR, but I also see that current GCC
support for such objects is sketchy to say at least and others libc are moving
to not allow it.
So I think before adding such annotation we need discuss whether we want to
allow such kind of allocation on malloc and mmap functions. I will bring this
on discussion at libc-alpha.
[1] https://gcc.gnu.org/bugzilla//show_bug.cgi?id=67999
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>From glibc-bugs-return-43582-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 14:42:15 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22016] glibc-2.26 (and master) crashes on powerpc with --enable-stack-protector=all
Date: Thu, 18 Oct 2018 14:42:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
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CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Alan Modra from comment #2)
> gcc-5, gcc-6, gcc-7 and master are now fixed.
So it was a fon(In reply to Florian Weimer from comment #1)
> I'm not sure how we could write a good configure test for this. Stack
> protector is still not enabled by default.
>
> There is no way to read lr directly because it may have already been
> clobbered at the point the inline assembly runs.
Given it has been fixed on actively branches, one option is we might disable it
for powerpc if built with GCC 4.9.
Do we need to keep track of this issue?
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>From glibc-bugs-return-43583-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 17:01:10 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23793] New: c32rtomb and mbrtoc32 should not alias wcrtomb and mbrtowc
Date: Thu, 18 Oct 2018 17:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23793
Bug ID: 23793
Summary: c32rtomb and mbrtoc32 should not alias wcrtomb and
mbrtowc
Product: glibc
Version: 2.28
Status: NEW
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glibc does:
/* There should be no difference between the UTF-32 handling required
by c32rtomb and the wchar_t handling which has long since been
implemented in wcrtomb. */
weak_alias (__wcrtomb, c32rtomb)
/* There should be no difference between the UTF-32 handling required
by mbrtoc32 and the wchar_t handling which has long since been
implemented in mbrtowc. */
weak_alias (__mbrtowc, mbrtoc32)
The reasoning in those comments to justify those aliases is incorrect: ISO C
requires that, for the case of a NULL mbstate_t* being passed, each function
has its *own* internal static mbstate_t. Thus a program must be able to use
both wcrtomb and c32rtomb at the same time with each keeping its own separate
state, and likewise for mbrtowc and mbrtoc32. So separate functions are needed
(although they can be trivial wrappers that just pass a pointer to their own
state variable when given a NULL argument).
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>From glibc-bugs-return-43584-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 17:22:52 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23794] New: c16rtomb does not handle surrogate pairs
Date: Thu, 18 Oct 2018 17:22:00 -0000
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Bug ID: 23794
Summary: c16rtomb does not handle surrogate pairs
Product: glibc
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The c16rtomb implementation has:
// XXX The ISO C 11 spec I have does not say anything about handling
// XXX surrogates in this interface.
The DR#488 resolution, as applied to C2X, requires surrogate pairs to be
handled here (so the first call returns 0 and stores the high surrogate in the
mbstate_t, while the second call combines the surrogates, produces a multibyte
character and returns the number of bytes written).
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>From glibc-bugs-return-43585-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 18:10:50 2018
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Thu, 18 Oct 2018 18:10:00 -0000
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--- Comment #4 from keld at keldix dot com <keld at keldix dot com> ---
Looks like the CLDR def is wrong, using . as decimal point and , as thousands
operator.
Or am I wrong in reading CLDR formats?
best regards
keld
On Thu, Oct 18, 2018 at 09:45:29AM +0000, sergi at koolpi dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23791
>
> Bug ID: 23791
> Summary: Wrong monetary format for ca_ES locale
> Product: glibc
> Version: unspecified
> Status: UNCONFIRMED
> Severity: normal
> Priority: P2
> Component: localedata
> Assignee: unassigned at sourceware dot org
> Reporter: sergi at koolpi dot com
> CC: libc-locales at sourceware dot org
> Target Milestone: ---
>
> In Catalan language the monetary numbers are formatted as "1.200,00???" [1] but
> acording to the locale definition they are formated as "??? 1200,00". See:
>
> (nclone) pokoli@archy » python
> Python 3.7.0 (default, Sep 15 2018, 19:13:07)
> [GCC 8.2.1 20180831] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import locale
> >>> locale.setlocale(locale.LC_ALL, '')
> 'ca_AD.UTF-8'
> >>> locale.currency(1234)
> '??? 1234,00'
>
>
> I'm using ca_AD but it inherits the definition from ca_ES
>
> CLDR[2] has the following definition:
>
> <currencyFormat type="standard">
> <pattern>#,##0.00 ¤</pattern>
> </currencyFormat>
> <currencyFormat type="accounting">
> <pattern>#,##0.00 ¤;(#,##0.00 ¤)</pattern>
> </currencyFormat>
>
> [1]
> https://www.uoc.edu/portal/ca/servei-linguistic/convencions/escriptura-numerals/index.html
> [2] http://unicode.org/cldr/trac/browser/trunk/common/main/ca.xml#L5548
>
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>From glibc-bugs-return-43586-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 20:01:12 2018
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From: "jwakely.gcc at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23792] fr_FR.UTF8 thousands separator is not C++ conforming
Date: Thu, 18 Oct 2018 20:01:00 -0000
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Jonathan Wakely <jwakely.gcc at gmail dot com> changed:
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--- Comment #2 from Jonathan Wakely <jwakely.gcc at gmail dot com> ---
The C++ facets for thousands separators only return a single char:
https://en.cppreference.com/w/cpp/locale/numpunct/thousands_sep
https://en.cppreference.com/w/cpp/locale/moneypunct/thousands_sep
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>From glibc-bugs-return-43587-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 20:31:58 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23792] fr_FR.UTF8 thousands separator is not C++ conforming
Date: Thu, 18 Oct 2018 20:31:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Jonathan Wakely from comment #2)
> The C++ facets for thousands separators only return a single char:
> https://en.cppreference.com/w/cpp/locale/numpunct/thousands_sep
> https://en.cppreference.com/w/cpp/locale/moneypunct/thousands_sep
Can you use a space if the relevant locale data consists of more than one byte?
It will not cover all cases, of course.
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>From glibc-bugs-return-43589-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 21:01:50 2018
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From: "sergi at koolpi dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Thu, 18 Oct 2018 21:01:00 -0000
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--- Comment #6 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
On 10/18/18 8:10 PM, keld at keldix dot com wrote:> Looks like the CLDR def is
wrong, using . as decimal point and , as thousands
> operator.
> Or am I wrong in reading CLDR formats?
. means decimal point in the character and , means thousand separator. See:
http://cldr.unicode.org/translation/number-patterns
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>From glibc-bugs-return-43588-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 21:01:44 2018
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Thu, 18 Oct 2018 21:01:00 -0000
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--- Comment #5 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
On 10/18/18 8:10 PM, keld at keldix dot com wrote:> Looks like the CLDR def is
wrong, using . as decimal point and , as thousands
> operator.
> Or am I wrong in reading CLDR formats?
. means decimal point in the caracter and , means thousand separator. See:
http://cldr.unicode.org/translation/number-patterns
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>From glibc-bugs-return-43590-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 18 21:32:47 2018
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Subject: [Bug stdio/14895] corruption in popen pclose
Date: Thu, 18 Oct 2018 21:32:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I tried the testcase provided in comment #1 on armhf and x86_64 against 2.27
and master along with valgrind and address sanitizer. None indicated any issue
in any platform.
The patch proposed on comment #2 possible just commit the malloced pages for
the process and it leads to think this might be a kernel (maybe related to
COW).
I will close this bug as INVALID by the end of the week, please reopen if you
see any issue with a different system.
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>From glibc-bugs-return-43591-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 11:52:48 2018
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Subject: [Bug localedata/23792] fr_FR.UTF8 thousands separator is not C++ conforming
Date: Fri, 19 Oct 2018 11:52:00 -0000
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--- Comment #4 from Jonathan Wakely <jwakely.gcc at gmail dot com> ---
Current GCC trunk replaces some known UTF-8 sequences with single byte
equivalents and for other cases uses iconv to "ASCII//TRANSLIT" and back again,
hoping to get a single byte. If that fails it just disables digit grouping.
https://gcc.gnu.org/viewcvs/gcc/trunk/libstdc%2B%2B-v3/config/locale/gnu/numeric_members.cc?r1=265286&r2=265285&pathrev=265286
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>From glibc-bugs-return-43592-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 11:56:34 2018
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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23797] New: Different constants/names for GNU_PROPERTY_X86_ISA types and features in glibc elf.h and binutils
Date: Fri, 19 Oct 2018 11:56:00 -0000
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Bug ID: 23797
Summary: Different constants/names for GNU_PROPERTY_X86_ISA
types and features in glibc elf.h and binutils
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
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Target Milestone: ---
I am adding support for GNU Property ELF notes to elfutils based on the glibc
elf.h names/constants, but it looks like various GNU_PROPERTY_X86_ISA_* types
and features are either named different or have different constant values
compared to the ones used in binutils. This makes it hard to know how to
interpret the property data.
Some random examples, GNU_PROPERTY_X86_ISA_1_USED has a different value as does
GNU_PROPERTY_X86_ISA_1_AVX512F, GNU_PROPERTY_X86_ISA_1_486 in glibc is called
GNU_PROPERTY_X86_ISA_1_CMOV in binutils. Also within binutils the constants in
elfcpp/elfcpp.h and include/elf/common.h seem to not match up.
Could they be synced up again or would that break backwards compatibility?
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>From glibc-bugs-return-43593-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 12:12:31 2018
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Subject: [Bug stdio/14895] corruption in popen pclose
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Close as previous comment.
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>From glibc-bugs-return-43594-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 12:35:32 2018
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Subject: [Bug stdio/15589] freopen would close oldfd even though oldfd is same as newfd
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| |rg
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| |rg
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Subject: [Bug stdio/15589] freopen would close oldfd even though oldfd is same as newfd
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #15 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by f1a67a2c78601599be51a17250ca02c7d830d79d.
*** This bug has been marked as a duplicate of bug 21393 ***
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Subject: [Bug stdio/21393] Missing dup3 error check in freopen, freopen64
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |lizhijian at cn dot fujitsu.com
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
*** Bug 15589 has been marked as a duplicate of this bug. ***
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Subject: [Bug libc/23689] Bug in documentation for rusage.ru_ixrss in bits/types/struct_rusage.h
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Date: Fri Oct 19 18:03:21 2018 +0200
resource: Update struct rusage comments [BZ #23689]
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----------------------------------------------------------------------------
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Fixed in 2.29.
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Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
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Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Fri Oct 19 18:06:32 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/bits/types/siginfo_t.h | 2 +-
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29.
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Subject: [Bug locale/23794] c16rtomb does not handle surrogate pairs
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What |Removed |Added
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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Subject: [Bug locale/23794] c16rtomb does not handle surrogate pairs
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit d0a74159792477e5922f53fa2aa6d58eb8265a14
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Oct 19 16:31:29 2018 +0000
Handle surrogate pairs in c16rtomb (bug 23794, DR#488, C2X).
The c16rtomb implementation has:
// XXX The ISO C 11 spec I have does not say anything about handling
// XXX surrogates in this interface.
The DR#488 resolution, as applied to C2X, requires surrogate pairs to
be handled here (so the first call returns 0 and stores the high
surrogate in the mbstate_t, while the second call combines the
surrogates, produces a multibyte character and returns the number of
bytes written). This patch implements that. (mbrtoc16 already
handled producing surrogates as output.)
Tested for x86_64.
[BZ #23794]
* wcsmbs/c16rtomb.c (c16rtomb): Save first character of surrogate
pair and return 0 in that case, and use saved character to
interpret following character.
* wcsmbs/tst-c16-surrogate.c: New file.
* wcsmbs/Makefile (tests): Add tst-c16-surrogate.c.
[$(run-built-tests) = yes] ($(objpfx)tst-c16-surrogate.out):
Depend on $(gen-locales)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++
wcsmbs/Makefile | 4 +-
wcsmbs/c16rtomb.c | 41 +++++++++++++++++++-
wcsmbs/tst-c16-surrogate.c | 89 ++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 141 insertions(+), 4 deletions(-)
create mode 100644 wcsmbs/tst-c16-surrogate.c
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>From glibc-bugs-return-43603-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 18:46:36 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23792] fr_FR.UTF8 thousands separator is not C++ conforming
Date: Fri, 19 Oct 2018 18:46:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Jonathan Wakely from comment #4)
> Current GCC trunk replaces some known UTF-8 sequences with single byte
> equivalents and for other cases uses iconv to "ASCII//TRANSLIT" and back
> again, hoping to get a single byte. If that fails it just disables digit
> grouping.
>
> https://gcc.gnu.org/viewcvs/gcc/trunk/libstdc%2B%2B-v3/config/locale/gnu/
> numeric_members.cc?r1=265286&r2=265285&pathrev=265286
So have we decided that this is *not* a glibc defect?
The UTF-8 locales are going to use whatever symbol best suits the language for
the various parameters, and in many cases it may be a multi-byte sequence.
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>From glibc-bugs-return-43604-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 20:20:24 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/17490] popen should not invoke atfork handlers
Date: Fri, 19 Oct 2018 20:20:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
POSIX pthread_atfork [1] description only list 'fork' as the function where
should issue the atfork handlers. Popen description [2] states that it
'[...] shall be *as if* a child process were created within the popen() call
using the fork() function [...]'
This description does not state if popen should follow all fork semantic,
neither if it allows of not popen be based on internally on fork (specially
regarding atfork handlers).
Other libc/system seems to follow the idea atfork handlers should not be issue
for popen:
libc/system | run atfork handles | notes
----------------|----------------------|---------------------------------------
freebsd master | no | uses vfork
solaris 11 | no |
MacOSX (11.13) | no | implemented through posix_spawn
syscall
----------------|----------------------|----------------------------------------
And I also agree that, as for posix_spawn and system, popen idea is to spawn a
different binary so all the POSIX rationale to run the atfork handlers to avoid
internal process inconsistent are not really required.
I have sent the fix for this issue on libc-alpha [3].
[1] http://pubs.opengroup.org/onlinepubs/9699919799/
[2] http://pubs.opengroup.org/onlinepubs/9699919799/
[3] https://sourceware.org/ml/libc-alpha/2018-09/msg00218.html
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>From glibc-bugs-return-43605-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 20:21:03 2018
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Subject: [Bug stdio/17490] popen should not invoke atfork handlers
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
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>From glibc-bugs-return-43606-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 19 22:59:29 2018
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Subject: [Bug libc/23797] Different constants/names for GNU_PROPERTY_X86_ISA types and features in glibc elf.h and binutils
Date: Fri, 19 Oct 2018 22:59:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch is posted at
https://sourceware.org/ml/libc-alpha/2018-10/msg00361.html
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>From glibc-bugs-return-43607-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 20 07:18:53 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/17490] popen should not invoke atfork handlers
Date: Sat, 20 Oct 2018 07:18:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
I think POSIX is actually pretty clear here, and that POSIX requires that the
fork handlers are used from within popen and system. But I also think this is
a defect in POSIX, so I don't see a problem with deviating from POSIX here.
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>From glibc-bugs-return-43608-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 21 09:06:08 2018
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Sun, 21 Oct 2018 09:05:00 -0000
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--- Comment #7 from keld at keldix dot com <keld at keldix dot com> ---
I see. I think this is counter-intuitive. using . for the
decimal point, which internationally is the , - and using , for the
thousands separator, which internationally as per ISO standards is the .
- or a space. This is only intuitive to English-speaking people.
But what would you expect from Unicode Inc.
best regards
keld
On Thu, Oct 18, 2018 at 09:01:44PM +0000, sergi at koolpi dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=23791
>
> --- Comment #6 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
> On 10/18/18 8:10 PM, keld at keldix dot com wrote:> Looks like the CLDR def is
> wrong, using . as decimal point and , as thousands
> > operator.
> > Or am I wrong in reading CLDR formats?
>
> . means decimal point in the character and , means thousand separator. See:
>
> http://cldr.unicode.org/translation/number-patterns
>
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>From glibc-bugs-return-43609-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 21 10:59:23 2018
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Subject: [Bug build/19444] build failures with -O1 due to -Wmaybe-uninitialized
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StidOfficial <stidofficiel at gmail dot com> changed:
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--- Comment #11 from StidOfficial <stidofficiel at gmail dot com> ---
My build failed with :
../sysdeps/ieee754/ldbl-96/e_jnl.c: In function '__ieee754_jnl':
../sysdeps/ieee754/ldbl-96/e_jnl.c:147:20: error: 'temp' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
b = invsqrtpi * temp / sqrtl (x);
~~~~~~~~~~^~~~~~
../sysdeps/ieee754/ldbl-96/e_jnl.c: In function '__ieee754_ynl':
../sysdeps/ieee754/ldbl-96/e_jnl.c:376:16: error: 'temp' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
b = invsqrtpi * temp / sqrtl (x);
~~~~~~~~~~^~~~~~
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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Joan Montané <jmontane at softcatala dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jmontane at softcatala dot org
--- Comment #8 from Joan Montané <jmontane at softcatala dot org> ---
Hi,
Current v34 CLDR [1] fixes Catalan currency format: #,##0.00 ¤
Please, note space between number and currency sign ¤ (usually €)
Please, do not copy es_ES definition, but fix ca_ES. They are different
languages and we have ca_AD, ca_FR, and ca_IT which inherit ca_ES definitions
and there are no related with es_ES.
[1] http://www.unicode.org/cldr/charts/34/summary/ca.html#3968
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Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
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Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
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3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
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Date: Mon Oct 22 13:16:08 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
-----------------------------------------------------------------------
Summary of changes:
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Subject: [Bug build/23807] New: failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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Bug ID: 23807
Summary: failure in scripts/test-installation.pl: libnss_db.so:
undefined reference to `__open_nocancel@GLIBC_PRIVATE'
Product: glibc
Version: 2.28
Status: UNCONFIRMED
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Target Milestone: ---
With gcc 7.3.1 20181013, binutils 2.31.51.20181019, CFLAGS="-pipe -O3 -g"
CXXFLAGS="-pipe -O3 -g" LDFLAGS="-Wl,-O1 -g" I do ../glibc-2.28/configure
--prefix=/usr --enable-kernel=4.14.77 --with-headers=/usr/include && make &&
make install , to get:
…
rm -f /src/glibc228/elf/symlink.list
test ! -x /src/glibc228/elf/ldconfig || LC_ALL=C \
/src/glibc228/elf/ldconfig \
/lib64 /usr/lib64
LD_SO=ld-linux-x86-64.so.2 CC="gcc" /usr/local/bin/perl
scripts/test-installation.pl /src/glibc228/
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/ld:
/usr/lib/../lib64/libnss_db.so: undefined reference to
`__open_nocancel@GLIBC_PRIVATE'
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/ld:
/usr/lib/../lib64/libnss_db.so: undefined reference to
`__close_nocancel@GLIBC_PRIVATE'
collect2: error: ld returned 1 exit status
Execution of gcc failed!
The script has found some problems with your installation!
Please read the FAQ and the README file and check the following:
- Did you change the gcc specs file (necessary after upgrading from
Linux libc5)?
- Are there any symbolic links of the form libXXX.so to old libraries?
Links like libm.so -> libm.so.5 (where libm.so.5 is an old library) are
wrong,
libm.so should point to the newly installed glibc file - and there should be
only one such link (check e.g. /lib and /usr/lib)
You should restart this script from your build directory after you've
fixed all problems!
Btw. the script doesn't work if you're installing GNU libc not as your
primary library!
make[1]: *** [Makefile:111: install] Error 1
How can I determine, whether the problem is in the linke, the compiler, the
build process or somewhere else.
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From: "jmontane at softcatala dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Mon, 22 Oct 2018 11:54:00 -0000
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--- Comment #9 from Joan Montané <jmontane at softcatala dot org> ---
Note: eu_ES, and gl_ES locales may be affected by same issue. But I'm not
Basque neither Galician speaker/user.
I suggest following fix for ca_ES locale, marked with <<--, I'm sorry, I can't
provide a diff file now.
LC_MONETARY
int_curr_symbol "EUR "
currency_symbol "<U20AC>"
mon_decimal_point ","
mon_thousands_sep "."
mon_grouping 3;3
positive_sign ""
negative_sign "-"
int_frac_digits 2
frac_digits 2
p_cs_precedes 0 <<-- changes from 1 to 0
p_sep_by_space 1
n_cs_precedes 0 <<-- changes from 1 to 0
n_sep_by_space 1
p_sign_posn 1
n_sign_posn 1
END LC_MONETARY
LC_NUMERIC
decimal_point ","
thousands_sep "."
grouping 3;3 <<-- changes from 0;0 to 3;3
END LC_NUMERIC
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Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
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Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:43:59 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/unix/sysv/linux/bits/types/siginfo_t.h | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug build/22447] unsafe call to strlen with a non-string in getlogin_r.c
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commit 33f5de7a79b27b9dce30a46d6681974653a85004
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 18 22:55:28 2017 +0000
Disable -Wrestrict for two nptl/tst-attr3.c tests.
nptl/tst-attr3 fails to build with GCC mainline because of
(deliberate) aliasing between the second (attributes) and fourth
(argument to thread start routine) arguments to pthread_create.
Although both those arguments are restrict-qualified in POSIX,
pthread_create does not actually dereference its fourth argument; it's
an opaque pointer passed to the thread start routine. Thus, the
aliasing is actually valid in this case, and it's deliberate in the
test. So this patch makes the test disable -Wrestrict for the two
pthread_create calls in question. (-Wrestrict was added in GCC 7,
hence the __GNUC_PREREQ conditions, but the particular warning in
question is new in GCC 8.)
Tested compilation with build-many-glibcs.py for aarch64-linux-gnu.
* nptl/tst-attr3.c: Include <libc-diag.h>.
(do_test) [__GNUC_PREREQ (7, 0)]: Ignore -Wrestrict for two tests.
(cherry picked from commit 40c4162df6766fb1e8ede875ca8df25d8075d3a5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ae2ca620a955f1e3465e58b5180c5a7fd596dd0
commit 6ae2ca620a955f1e3465e58b5180c5a7fd596dd0
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 14 17:50:36 2017 +0000
Fix string/bug-strncat1.c build with GCC 8.
GCC 8 warns about strncat calls with truncated output.
string/bug-strncat1.c tests such a call; this patch disables the
warning for it.
Tested (compilation) with GCC 8 for x86_64-linux-gnu with
build-many-glibcs.py (in conjunction with Martin's patch to allow
glibc to build).
* string/bug-strncat1.c: Include <libc-diag.h>.
(main): Disable -Wstringop-truncation for strncat call for GCC 8.
(cherry picked from commit ec72135e5f1d061cb5cf7cd1b855fd6290be10d9)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe5978e1a5d7419de3a779823fb5ed0d1dcee8ff
commit fe5978e1a5d7419de3a779823fb5ed0d1dcee8ff
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Jun 14 14:20:00 2018 +0000
Ignore -Wrestrict for one strncat test.
With current GCC mainline, one strncat test involving a size close to
SIZE_MAX results in a -Wrestrict warning that that buffer size would
imply that the two buffers must overlap. This patch fixes the build
by adding disabling of -Wrestrict (for GCC versions supporting that
option) to the already-present disabling of -Wstringop-overflow= and
-Warray-bounds for this test.
Tested with build-many-glibcs.py that this restores the testsuite
build with GCC mainline for aarch64-linux-gnu.
* string/tester.c (test_strncat) [__GNUC_PREREQ (7, 0)]: Also
ignore -Wrestrict for one test.
(cherry picked from commit 35ebb6b0c48bc671d9c54e089884f9bf6fca540e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=70e810a30cb15d0b54118f8eb92aa656b945b984
commit 70e810a30cb15d0b54118f8eb92aa656b945b984
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 18 22:52:41 2017 +0000
Disable strncat test array-bounds warnings for GCC 8.
Some strncat tests fail to build with GCC 8 because of -Warray-bounds
warnings. These tests are deliberately test over-large size arguments
passed to strncat, and already disable -Wstringop-overflow warnings,
but now the warnings for these tests come under -Warray-bounds so that
option needs disabling for them as well, which this patch does (with
an update on the comments; the DIAG_IGNORE_NEEDS_COMMENT call for
-Warray-bounds doesn't need to be conditional itself, because that
option is supported by all versions of GCC that can build glibc).
Tested compilation with build-many-glibcs.py for aarch64-linux-gnu.
* string/tester.c (test_strncat): Also disable -Warray-bounds
warnings for two tests.
(cherry picked from commit 1421f39b7eadd3b5fbd2a3f2da1fc006b69fbc42)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd03d15e283de6c2fff8f5204b092e9d9d127cc6
commit dd03d15e283de6c2fff8f5204b092e9d9d127cc6
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 14 17:52:26 2017 +0000
Fix string/tester.c build with GCC 8.
GCC 8 warns about more cases of string functions truncating their
output or not copying a trailing NUL byte.
This patch fixes testsuite build failures caused by such warnings in
string/tester.c. In general, the warnings are disabled around the
relevant calls using DIAG_* macros, since the relevant cases are being
deliberately tested. In one case, the warning is with
-Wstringop-overflow= instead of -Wstringop-truncation; in that case,
the conditional is __GNUC_PREREQ (7, 0) (being the version where
-Wstringop-overflow= was introduced), to allow the conditional to be
removed sooner, since it's harmless to disable the warning for a
GCC version where it doesn't actually occur. In the case of warnings
for strncpy calls in test_memcmp, the calls in question are changed to
use memcpy, as they don't copy a trailing NUL and the point of that
code is to test memcmp rather than strncpy.
Tested (compilation) with GCC 8 for x86_64-linux-gnu with
build-many-glibcs.py (in conjunction with Martin's patch to allow
glibc to build).
* string/tester.c (test_stpncpy): Disable -Wstringop-truncation
for stpncpy calls for GCC 8.
(test_strncat): Disable -Wstringop-truncation warning for strncat
calls for GCC 8. Disable -Wstringop-overflow= warning for one
strncat call for GCC 7.
(test_strncpy): Disable -Wstringop-truncation warning for strncpy
calls for GCC 8.
(test_memcmp): Use memcpy instead of strncpy for calls not copying
trailing NUL.
(cherry picked from commit 2e64ec9c9eac3aeb70f7cfa2392846c87c28068e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=935cecfe9a4c9bf0396766f5e2b24570f92317ae
commit 935cecfe9a4c9bf0396766f5e2b24570f92317ae
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 14:08:12 2018 +0200
Fix nscd readlink argument aliasing (bug 22446).
Current GCC mainline detects that nscd calls readlink with the same
buffer for both input and output, which is not valid (those arguments
are both restrict-qualified in POSIX). This patch makes it use a
separate buffer for readlink's input (with a size that is sufficient
to avoid truncation, so there should be no problems with warnings
about possible truncation, though not strictly minimal, but much
smaller than the buffer for output) to avoid this problem.
Tested compilation for aarch64-linux-gnu with build-many-glibcs.py.
[BZ #22446]
* nscd/connections.c (handle_request) [SO_PEERCRED]: Use separate
buffers for readlink input and output.
(cherry picked from commit 49b036bce9f021ae994a85aee8b410d20b29c8b7)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fb525c1033c70693d78010d01472bd0ed96e25f
commit 3fb525c1033c70693d78010d01472bd0ed96e25f
Author: Steve Ellcey <sellcey@caviumnetworks.com>
Date: Fri Dec 15 09:08:23 2017 -0800
Increase buffer size due to warning from ToT GCC
* nscd/dbg_log.c (dbg_log): Increase msg buffer size.
(cherry picked from commit a7e3edf4f252fb72afeb8ecca946a2d8294bb577)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=636f49ba925d5fe677212bb94b20f2c5e67d4a4f
commit 636f49ba925d5fe677212bb94b20f2c5e67d4a4f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 13:58:06 2018 +0200
Fix p_secstodate overflow handling (bug 22463).
The resolv/res_debug.c function p_secstodate (which is a public
function exported from libresolv, taking an unsigned long argument)
does:
struct tm timebuf;
time = __gmtime_r(&clock, &timebuf);
time->tm_year += 1900;
time->tm_mon += 1;
sprintf(output, "%04d%02d%02d%02d%02d%02d",
time->tm_year, time->tm_mon, time->tm_mday,
time->tm_hour, time->tm_min, time->tm_sec);
If __gmtime_r returns NULL (because the year overflows the range of
int), this will dereference a null pointer. Otherwise, if the
computed year does not fit in four characters, this will cause a
buffer overrun of the fixed-size 15-byte buffer. With current GCC
mainline, there is a compilation failure because of the possible
buffer overrun.
I couldn't find a specification for how this function is meant to
behave, but Paul pointed to RFC 4034 as relevant to the cases where
this function is called from within glibc. The function's interface
is inherently problematic when dates beyond Y2038 might be involved,
because of the ambiguity in how to interpret 32-bit timestamps as such
dates (the RFC suggests interpreting times as being within 68 years of
the present date, which would mean some kind of interface whose
behavior depends on the present date).
This patch works on the basis of making a minimal fix in preparation
for obsoleting the function. The function is made to handle times in
the interval [0, 0x7fffffff] only, on all platforms, with <overflow>
used as the output string in other cases (and errno set to EOVERFLOW
in such cases). This seems to be a reasonable state for the function
to be in when made a compat symbol by a future patch, being compatible
with any existing uses for existing timestamps without trying to work
for later timestamps. Results independent of the range of time_t also
simplify the testcase.
I couldn't persuade GCC to recognize the ranges of the struct tm
fields by adding explicit range checks with a call to
__builtin_unreachable if outside the range (this looks similar to
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80776>), so having added
a range check on the input, this patch then disables the
-Wformat-overflow= warning for the sprintf call (I prefer that to the
use of strftime, as being more transparently correct without knowing
what each of %m and %M etc. is).
I do not know why this build failure should be new with mainline GCC
(that is, I don't know what GCC change might have introduced it, when
the basic functionality for such warnings was already in GCC 7).
I do not know if this is a security issue (that is, if there are
plausible ways in which a date before -999 or after 9999 from an
untrusted source might end up in this function). The system clock is
arguably an untrusted source (in that e.g. NTP is insecure), but
probably not to that extent (NTP can't communicate such wild
timestamps), and uses from within glibc are limited to 32-bit inputs.
Tested with build-many-glibcs.py that this restores the build for arm
with yesterday's mainline GCC. Also tested for x86_64 and x86.
[BZ #22463]
* resolv/res_debug.c: Include <libc-diag.h>.
(p_secstodate): Assert time_t at least as wide as u_long. On
overflow, use integer seconds since the epoch as output, or use
"<overflow>" as output and set errno to EOVERFLOW if integer
seconds since the epoch would be 14 or more characters.
(p_secstodate) [__GNUC_PREREQ (7, 0)]: Disable -Wformat-overflow=
for sprintf call.
* resolv/tst-p_secstodate.c: New file.
* resolv/Makefile (tests): Add tst-p_secstodate.
($(objpfx)tst-p_secstodate): Depend on $(objpfx)libresolv.so.
(cherry picked from commit f120cda6072d830df92656dad0c89967547b97dc)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d161b294e1267ca275352c26850255c5efc998de
commit d161b294e1267ca275352c26850255c5efc998de
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Nov 12 22:00:28 2017 -0800
timezone: pacify GCC -Wstringop-truncation
Problem reported by Martin Sebor in:
https://sourceware.org/ml/libc-alpha/2017-11/msg00336.html
* timezone/zic.c (writezone): Use memcpy, not strncpy.
(cherry picked from commit e69897bf202e18034cbef26f363bae64de70a196)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e37ec9c813de3faeabc31d9ffc896ba45b4dfd5f
commit e37ec9c813de3faeabc31d9ffc896ba45b4dfd5f
Author: Martin Sebor <msebor@redhat.com>
Date: Wed Nov 15 17:39:59 2017 -0700
utmp: Avoid -Wstringop-truncation warning
The -Wstringop-truncation option new in GCC 8 detects common misuses
of the strncat and strncpy function that may result in truncating
the copied string before the terminating NUL. To avoid false positive
warnings for correct code that intentionally creates sequences of
characters that aren't guaranteed to be NUL-terminated, arrays that
are intended to store such sequences should be decorated with a new
nonstring attribute. This change add this attribute to Glibc and
uses it to suppress such false positives.
ChangeLog:
* misc/sys/cdefs.h (__attribute_nonstring__): New macro.
* sysdeps/gnu/bits/utmp.h (struct utmp): Use it.
* sysdeps/unix/sysv/linux/s390/bits/utmp.h (struct utmp): Same.
(cherry picked from commit 7532837d7b03b3ca5b9a63d77a5bd81dd23f3d9c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27611fd05b444042de4a718c2f21e9efae755825
commit 27611fd05b444042de4a718c2f21e9efae755825
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 22 18:44:23 2017 +0000
Avoid use of strlen in getlogin_r (bug 22447).
Building glibc with current mainline GCC fails, among other reasons,
because of an error for use of strlen on the nonstring ut_user field.
This patch changes the problem code in getlogin_r to use __strnlen
instead. It also needs to set the trailing NUL byte of the result
explicitly, because of the case where ut_user does not have such a
trailing NUL byte (but the result should always have one).
Tested for x86_64. Also tested that, in conjunction with
<https://sourceware.org/ml/libc-alpha/2017-11/msg00797.html>, it fixes
the build for arm with mainline GCC.
[BZ #22447]
* sysdeps/unix/getlogin_r.c (__getlogin_r): Use __strnlen not
strlen to compute length of ut_user and set trailing NUL byte of
result explicitly.
(cherry picked from commit 4bae615022cb5a5da79ccda83cc6c9ba9f2d479c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 76 ++++++++++++++++++++++++++++++
NEWS | 3 +
misc/sys/cdefs.h | 9 ++++
nptl/tst-attr3.c | 19 +++++++
nscd/connections.c | 5 +-
nscd/dbg_log.c | 2 +-
resolv/Makefile | 3 +-
resolv/res_debug.c | 24 +++++++++-
resolv/tst-p_secstodate.c | 67 ++++++++++++++++++++++++++
string/bug-strncat1.c | 8 +++
string/tester.c | 58 +++++++++++++++++++++--
sysdeps/gnu/bits/utmp.h | 9 ++-
sysdeps/unix/getlogin_r.c | 5 +-
sysdeps/unix/sysv/linux/s390/bits/utmp.h | 9 ++-
timezone/zic.c | 2 +-
15 files changed, 281 insertions(+), 18 deletions(-)
create mode 100644 resolv/tst-p_secstodate.c
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22446] aliasing violation calling readlink in handle_request
Date: Mon, 22 Oct 2018 12:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22446
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33f5de7a79b27b9dce30a46d6681974653a85004
commit 33f5de7a79b27b9dce30a46d6681974653a85004
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 18 22:55:28 2017 +0000
Disable -Wrestrict for two nptl/tst-attr3.c tests.
nptl/tst-attr3 fails to build with GCC mainline because of
(deliberate) aliasing between the second (attributes) and fourth
(argument to thread start routine) arguments to pthread_create.
Although both those arguments are restrict-qualified in POSIX,
pthread_create does not actually dereference its fourth argument; it's
an opaque pointer passed to the thread start routine. Thus, the
aliasing is actually valid in this case, and it's deliberate in the
test. So this patch makes the test disable -Wrestrict for the two
pthread_create calls in question. (-Wrestrict was added in GCC 7,
hence the __GNUC_PREREQ conditions, but the particular warning in
question is new in GCC 8.)
Tested compilation with build-many-glibcs.py for aarch64-linux-gnu.
* nptl/tst-attr3.c: Include <libc-diag.h>.
(do_test) [__GNUC_PREREQ (7, 0)]: Ignore -Wrestrict for two tests.
(cherry picked from commit 40c4162df6766fb1e8ede875ca8df25d8075d3a5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ae2ca620a955f1e3465e58b5180c5a7fd596dd0
commit 6ae2ca620a955f1e3465e58b5180c5a7fd596dd0
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 14 17:50:36 2017 +0000
Fix string/bug-strncat1.c build with GCC 8.
GCC 8 warns about strncat calls with truncated output.
string/bug-strncat1.c tests such a call; this patch disables the
warning for it.
Tested (compilation) with GCC 8 for x86_64-linux-gnu with
build-many-glibcs.py (in conjunction with Martin's patch to allow
glibc to build).
* string/bug-strncat1.c: Include <libc-diag.h>.
(main): Disable -Wstringop-truncation for strncat call for GCC 8.
(cherry picked from commit ec72135e5f1d061cb5cf7cd1b855fd6290be10d9)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe5978e1a5d7419de3a779823fb5ed0d1dcee8ff
commit fe5978e1a5d7419de3a779823fb5ed0d1dcee8ff
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Jun 14 14:20:00 2018 +0000
Ignore -Wrestrict for one strncat test.
With current GCC mainline, one strncat test involving a size close to
SIZE_MAX results in a -Wrestrict warning that that buffer size would
imply that the two buffers must overlap. This patch fixes the build
by adding disabling of -Wrestrict (for GCC versions supporting that
option) to the already-present disabling of -Wstringop-overflow= and
-Warray-bounds for this test.
Tested with build-many-glibcs.py that this restores the testsuite
build with GCC mainline for aarch64-linux-gnu.
* string/tester.c (test_strncat) [__GNUC_PREREQ (7, 0)]: Also
ignore -Wrestrict for one test.
(cherry picked from commit 35ebb6b0c48bc671d9c54e089884f9bf6fca540e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=70e810a30cb15d0b54118f8eb92aa656b945b984
commit 70e810a30cb15d0b54118f8eb92aa656b945b984
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 18 22:52:41 2017 +0000
Disable strncat test array-bounds warnings for GCC 8.
Some strncat tests fail to build with GCC 8 because of -Warray-bounds
warnings. These tests are deliberately test over-large size arguments
passed to strncat, and already disable -Wstringop-overflow warnings,
but now the warnings for these tests come under -Warray-bounds so that
option needs disabling for them as well, which this patch does (with
an update on the comments; the DIAG_IGNORE_NEEDS_COMMENT call for
-Warray-bounds doesn't need to be conditional itself, because that
option is supported by all versions of GCC that can build glibc).
Tested compilation with build-many-glibcs.py for aarch64-linux-gnu.
* string/tester.c (test_strncat): Also disable -Warray-bounds
warnings for two tests.
(cherry picked from commit 1421f39b7eadd3b5fbd2a3f2da1fc006b69fbc42)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd03d15e283de6c2fff8f5204b092e9d9d127cc6
commit dd03d15e283de6c2fff8f5204b092e9d9d127cc6
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 14 17:52:26 2017 +0000
Fix string/tester.c build with GCC 8.
GCC 8 warns about more cases of string functions truncating their
output or not copying a trailing NUL byte.
This patch fixes testsuite build failures caused by such warnings in
string/tester.c. In general, the warnings are disabled around the
relevant calls using DIAG_* macros, since the relevant cases are being
deliberately tested. In one case, the warning is with
-Wstringop-overflow= instead of -Wstringop-truncation; in that case,
the conditional is __GNUC_PREREQ (7, 0) (being the version where
-Wstringop-overflow= was introduced), to allow the conditional to be
removed sooner, since it's harmless to disable the warning for a
GCC version where it doesn't actually occur. In the case of warnings
for strncpy calls in test_memcmp, the calls in question are changed to
use memcpy, as they don't copy a trailing NUL and the point of that
code is to test memcmp rather than strncpy.
Tested (compilation) with GCC 8 for x86_64-linux-gnu with
build-many-glibcs.py (in conjunction with Martin's patch to allow
glibc to build).
* string/tester.c (test_stpncpy): Disable -Wstringop-truncation
for stpncpy calls for GCC 8.
(test_strncat): Disable -Wstringop-truncation warning for strncat
calls for GCC 8. Disable -Wstringop-overflow= warning for one
strncat call for GCC 7.
(test_strncpy): Disable -Wstringop-truncation warning for strncpy
calls for GCC 8.
(test_memcmp): Use memcpy instead of strncpy for calls not copying
trailing NUL.
(cherry picked from commit 2e64ec9c9eac3aeb70f7cfa2392846c87c28068e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=935cecfe9a4c9bf0396766f5e2b24570f92317ae
commit 935cecfe9a4c9bf0396766f5e2b24570f92317ae
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 14:08:12 2018 +0200
Fix nscd readlink argument aliasing (bug 22446).
Current GCC mainline detects that nscd calls readlink with the same
buffer for both input and output, which is not valid (those arguments
are both restrict-qualified in POSIX). This patch makes it use a
separate buffer for readlink's input (with a size that is sufficient
to avoid truncation, so there should be no problems with warnings
about possible truncation, though not strictly minimal, but much
smaller than the buffer for output) to avoid this problem.
Tested compilation for aarch64-linux-gnu with build-many-glibcs.py.
[BZ #22446]
* nscd/connections.c (handle_request) [SO_PEERCRED]: Use separate
buffers for readlink input and output.
(cherry picked from commit 49b036bce9f021ae994a85aee8b410d20b29c8b7)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fb525c1033c70693d78010d01472bd0ed96e25f
commit 3fb525c1033c70693d78010d01472bd0ed96e25f
Author: Steve Ellcey <sellcey@caviumnetworks.com>
Date: Fri Dec 15 09:08:23 2017 -0800
Increase buffer size due to warning from ToT GCC
* nscd/dbg_log.c (dbg_log): Increase msg buffer size.
(cherry picked from commit a7e3edf4f252fb72afeb8ecca946a2d8294bb577)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=636f49ba925d5fe677212bb94b20f2c5e67d4a4f
commit 636f49ba925d5fe677212bb94b20f2c5e67d4a4f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 13:58:06 2018 +0200
Fix p_secstodate overflow handling (bug 22463).
The resolv/res_debug.c function p_secstodate (which is a public
function exported from libresolv, taking an unsigned long argument)
does:
struct tm timebuf;
time = __gmtime_r(&clock, &timebuf);
time->tm_year += 1900;
time->tm_mon += 1;
sprintf(output, "%04d%02d%02d%02d%02d%02d",
time->tm_year, time->tm_mon, time->tm_mday,
time->tm_hour, time->tm_min, time->tm_sec);
If __gmtime_r returns NULL (because the year overflows the range of
int), this will dereference a null pointer. Otherwise, if the
computed year does not fit in four characters, this will cause a
buffer overrun of the fixed-size 15-byte buffer. With current GCC
mainline, there is a compilation failure because of the possible
buffer overrun.
I couldn't find a specification for how this function is meant to
behave, but Paul pointed to RFC 4034 as relevant to the cases where
this function is called from within glibc. The function's interface
is inherently problematic when dates beyond Y2038 might be involved,
because of the ambiguity in how to interpret 32-bit timestamps as such
dates (the RFC suggests interpreting times as being within 68 years of
the present date, which would mean some kind of interface whose
behavior depends on the present date).
This patch works on the basis of making a minimal fix in preparation
for obsoleting the function. The function is made to handle times in
the interval [0, 0x7fffffff] only, on all platforms, with <overflow>
used as the output string in other cases (and errno set to EOVERFLOW
in such cases). This seems to be a reasonable state for the function
to be in when made a compat symbol by a future patch, being compatible
with any existing uses for existing timestamps without trying to work
for later timestamps. Results independent of the range of time_t also
simplify the testcase.
I couldn't persuade GCC to recognize the ranges of the struct tm
fields by adding explicit range checks with a call to
__builtin_unreachable if outside the range (this looks similar to
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80776>), so having added
a range check on the input, this patch then disables the
-Wformat-overflow= warning for the sprintf call (I prefer that to the
use of strftime, as being more transparently correct without knowing
what each of %m and %M etc. is).
I do not know why this build failure should be new with mainline GCC
(that is, I don't know what GCC change might have introduced it, when
the basic functionality for such warnings was already in GCC 7).
I do not know if this is a security issue (that is, if there are
plausible ways in which a date before -999 or after 9999 from an
untrusted source might end up in this function). The system clock is
arguably an untrusted source (in that e.g. NTP is insecure), but
probably not to that extent (NTP can't communicate such wild
timestamps), and uses from within glibc are limited to 32-bit inputs.
Tested with build-many-glibcs.py that this restores the build for arm
with yesterday's mainline GCC. Also tested for x86_64 and x86.
[BZ #22463]
* resolv/res_debug.c: Include <libc-diag.h>.
(p_secstodate): Assert time_t at least as wide as u_long. On
overflow, use integer seconds since the epoch as output, or use
"<overflow>" as output and set errno to EOVERFLOW if integer
seconds since the epoch would be 14 or more characters.
(p_secstodate) [__GNUC_PREREQ (7, 0)]: Disable -Wformat-overflow=
for sprintf call.
* resolv/tst-p_secstodate.c: New file.
* resolv/Makefile (tests): Add tst-p_secstodate.
($(objpfx)tst-p_secstodate): Depend on $(objpfx)libresolv.so.
(cherry picked from commit f120cda6072d830df92656dad0c89967547b97dc)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d161b294e1267ca275352c26850255c5efc998de
commit d161b294e1267ca275352c26850255c5efc998de
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Nov 12 22:00:28 2017 -0800
timezone: pacify GCC -Wstringop-truncation
Problem reported by Martin Sebor in:
https://sourceware.org/ml/libc-alpha/2017-11/msg00336.html
* timezone/zic.c (writezone): Use memcpy, not strncpy.
(cherry picked from commit e69897bf202e18034cbef26f363bae64de70a196)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e37ec9c813de3faeabc31d9ffc896ba45b4dfd5f
commit e37ec9c813de3faeabc31d9ffc896ba45b4dfd5f
Author: Martin Sebor <msebor@redhat.com>
Date: Wed Nov 15 17:39:59 2017 -0700
utmp: Avoid -Wstringop-truncation warning
The -Wstringop-truncation option new in GCC 8 detects common misuses
of the strncat and strncpy function that may result in truncating
the copied string before the terminating NUL. To avoid false positive
warnings for correct code that intentionally creates sequences of
characters that aren't guaranteed to be NUL-terminated, arrays that
are intended to store such sequences should be decorated with a new
nonstring attribute. This change add this attribute to Glibc and
uses it to suppress such false positives.
ChangeLog:
* misc/sys/cdefs.h (__attribute_nonstring__): New macro.
* sysdeps/gnu/bits/utmp.h (struct utmp): Use it.
* sysdeps/unix/sysv/linux/s390/bits/utmp.h (struct utmp): Same.
(cherry picked from commit 7532837d7b03b3ca5b9a63d77a5bd81dd23f3d9c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27611fd05b444042de4a718c2f21e9efae755825
commit 27611fd05b444042de4a718c2f21e9efae755825
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 22 18:44:23 2017 +0000
Avoid use of strlen in getlogin_r (bug 22447).
Building glibc with current mainline GCC fails, among other reasons,
because of an error for use of strlen on the nonstring ut_user field.
This patch changes the problem code in getlogin_r to use __strnlen
instead. It also needs to set the trailing NUL byte of the result
explicitly, because of the case where ut_user does not have such a
trailing NUL byte (but the result should always have one).
Tested for x86_64. Also tested that, in conjunction with
<https://sourceware.org/ml/libc-alpha/2017-11/msg00797.html>, it fixes
the build for arm with mainline GCC.
[BZ #22447]
* sysdeps/unix/getlogin_r.c (__getlogin_r): Use __strnlen not
strlen to compute length of ut_user and set trailing NUL byte of
result explicitly.
(cherry picked from commit 4bae615022cb5a5da79ccda83cc6c9ba9f2d479c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 76 ++++++++++++++++++++++++++++++
NEWS | 3 +
misc/sys/cdefs.h | 9 ++++
nptl/tst-attr3.c | 19 +++++++
nscd/connections.c | 5 +-
nscd/dbg_log.c | 2 +-
resolv/Makefile | 3 +-
resolv/res_debug.c | 24 +++++++++-
resolv/tst-p_secstodate.c | 67 ++++++++++++++++++++++++++
string/bug-strncat1.c | 8 +++
string/tester.c | 58 +++++++++++++++++++++--
sysdeps/gnu/bits/utmp.h | 9 ++-
sysdeps/unix/getlogin_r.c | 5 +-
sysdeps/unix/sysv/linux/s390/bits/utmp.h | 9 ++-
timezone/zic.c | 2 +-
15 files changed, 281 insertions(+), 18 deletions(-)
create mode 100644 resolv/tst-p_secstodate.c
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22463] p_secstodate overflow handling
Date: Mon, 22 Oct 2018 12:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22463
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33f5de7a79b27b9dce30a46d6681974653a85004
commit 33f5de7a79b27b9dce30a46d6681974653a85004
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 18 22:55:28 2017 +0000
Disable -Wrestrict for two nptl/tst-attr3.c tests.
nptl/tst-attr3 fails to build with GCC mainline because of
(deliberate) aliasing between the second (attributes) and fourth
(argument to thread start routine) arguments to pthread_create.
Although both those arguments are restrict-qualified in POSIX,
pthread_create does not actually dereference its fourth argument; it's
an opaque pointer passed to the thread start routine. Thus, the
aliasing is actually valid in this case, and it's deliberate in the
test. So this patch makes the test disable -Wrestrict for the two
pthread_create calls in question. (-Wrestrict was added in GCC 7,
hence the __GNUC_PREREQ conditions, but the particular warning in
question is new in GCC 8.)
Tested compilation with build-many-glibcs.py for aarch64-linux-gnu.
* nptl/tst-attr3.c: Include <libc-diag.h>.
(do_test) [__GNUC_PREREQ (7, 0)]: Ignore -Wrestrict for two tests.
(cherry picked from commit 40c4162df6766fb1e8ede875ca8df25d8075d3a5)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ae2ca620a955f1e3465e58b5180c5a7fd596dd0
commit 6ae2ca620a955f1e3465e58b5180c5a7fd596dd0
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 14 17:50:36 2017 +0000
Fix string/bug-strncat1.c build with GCC 8.
GCC 8 warns about strncat calls with truncated output.
string/bug-strncat1.c tests such a call; this patch disables the
warning for it.
Tested (compilation) with GCC 8 for x86_64-linux-gnu with
build-many-glibcs.py (in conjunction with Martin's patch to allow
glibc to build).
* string/bug-strncat1.c: Include <libc-diag.h>.
(main): Disable -Wstringop-truncation for strncat call for GCC 8.
(cherry picked from commit ec72135e5f1d061cb5cf7cd1b855fd6290be10d9)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe5978e1a5d7419de3a779823fb5ed0d1dcee8ff
commit fe5978e1a5d7419de3a779823fb5ed0d1dcee8ff
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Jun 14 14:20:00 2018 +0000
Ignore -Wrestrict for one strncat test.
With current GCC mainline, one strncat test involving a size close to
SIZE_MAX results in a -Wrestrict warning that that buffer size would
imply that the two buffers must overlap. This patch fixes the build
by adding disabling of -Wrestrict (for GCC versions supporting that
option) to the already-present disabling of -Wstringop-overflow= and
-Warray-bounds for this test.
Tested with build-many-glibcs.py that this restores the testsuite
build with GCC mainline for aarch64-linux-gnu.
* string/tester.c (test_strncat) [__GNUC_PREREQ (7, 0)]: Also
ignore -Wrestrict for one test.
(cherry picked from commit 35ebb6b0c48bc671d9c54e089884f9bf6fca540e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=70e810a30cb15d0b54118f8eb92aa656b945b984
commit 70e810a30cb15d0b54118f8eb92aa656b945b984
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Dec 18 22:52:41 2017 +0000
Disable strncat test array-bounds warnings for GCC 8.
Some strncat tests fail to build with GCC 8 because of -Warray-bounds
warnings. These tests are deliberately test over-large size arguments
passed to strncat, and already disable -Wstringop-overflow warnings,
but now the warnings for these tests come under -Warray-bounds so that
option needs disabling for them as well, which this patch does (with
an update on the comments; the DIAG_IGNORE_NEEDS_COMMENT call for
-Warray-bounds doesn't need to be conditional itself, because that
option is supported by all versions of GCC that can build glibc).
Tested compilation with build-many-glibcs.py for aarch64-linux-gnu.
* string/tester.c (test_strncat): Also disable -Warray-bounds
warnings for two tests.
(cherry picked from commit 1421f39b7eadd3b5fbd2a3f2da1fc006b69fbc42)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd03d15e283de6c2fff8f5204b092e9d9d127cc6
commit dd03d15e283de6c2fff8f5204b092e9d9d127cc6
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 14 17:52:26 2017 +0000
Fix string/tester.c build with GCC 8.
GCC 8 warns about more cases of string functions truncating their
output or not copying a trailing NUL byte.
This patch fixes testsuite build failures caused by such warnings in
string/tester.c. In general, the warnings are disabled around the
relevant calls using DIAG_* macros, since the relevant cases are being
deliberately tested. In one case, the warning is with
-Wstringop-overflow= instead of -Wstringop-truncation; in that case,
the conditional is __GNUC_PREREQ (7, 0) (being the version where
-Wstringop-overflow= was introduced), to allow the conditional to be
removed sooner, since it's harmless to disable the warning for a
GCC version where it doesn't actually occur. In the case of warnings
for strncpy calls in test_memcmp, the calls in question are changed to
use memcpy, as they don't copy a trailing NUL and the point of that
code is to test memcmp rather than strncpy.
Tested (compilation) with GCC 8 for x86_64-linux-gnu with
build-many-glibcs.py (in conjunction with Martin's patch to allow
glibc to build).
* string/tester.c (test_stpncpy): Disable -Wstringop-truncation
for stpncpy calls for GCC 8.
(test_strncat): Disable -Wstringop-truncation warning for strncat
calls for GCC 8. Disable -Wstringop-overflow= warning for one
strncat call for GCC 7.
(test_strncpy): Disable -Wstringop-truncation warning for strncpy
calls for GCC 8.
(test_memcmp): Use memcpy instead of strncpy for calls not copying
trailing NUL.
(cherry picked from commit 2e64ec9c9eac3aeb70f7cfa2392846c87c28068e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=935cecfe9a4c9bf0396766f5e2b24570f92317ae
commit 935cecfe9a4c9bf0396766f5e2b24570f92317ae
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 14:08:12 2018 +0200
Fix nscd readlink argument aliasing (bug 22446).
Current GCC mainline detects that nscd calls readlink with the same
buffer for both input and output, which is not valid (those arguments
are both restrict-qualified in POSIX). This patch makes it use a
separate buffer for readlink's input (with a size that is sufficient
to avoid truncation, so there should be no problems with warnings
about possible truncation, though not strictly minimal, but much
smaller than the buffer for output) to avoid this problem.
Tested compilation for aarch64-linux-gnu with build-many-glibcs.py.
[BZ #22446]
* nscd/connections.c (handle_request) [SO_PEERCRED]: Use separate
buffers for readlink input and output.
(cherry picked from commit 49b036bce9f021ae994a85aee8b410d20b29c8b7)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fb525c1033c70693d78010d01472bd0ed96e25f
commit 3fb525c1033c70693d78010d01472bd0ed96e25f
Author: Steve Ellcey <sellcey@caviumnetworks.com>
Date: Fri Dec 15 09:08:23 2017 -0800
Increase buffer size due to warning from ToT GCC
* nscd/dbg_log.c (dbg_log): Increase msg buffer size.
(cherry picked from commit a7e3edf4f252fb72afeb8ecca946a2d8294bb577)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=636f49ba925d5fe677212bb94b20f2c5e67d4a4f
commit 636f49ba925d5fe677212bb94b20f2c5e67d4a4f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 13:58:06 2018 +0200
Fix p_secstodate overflow handling (bug 22463).
The resolv/res_debug.c function p_secstodate (which is a public
function exported from libresolv, taking an unsigned long argument)
does:
struct tm timebuf;
time = __gmtime_r(&clock, &timebuf);
time->tm_year += 1900;
time->tm_mon += 1;
sprintf(output, "%04d%02d%02d%02d%02d%02d",
time->tm_year, time->tm_mon, time->tm_mday,
time->tm_hour, time->tm_min, time->tm_sec);
If __gmtime_r returns NULL (because the year overflows the range of
int), this will dereference a null pointer. Otherwise, if the
computed year does not fit in four characters, this will cause a
buffer overrun of the fixed-size 15-byte buffer. With current GCC
mainline, there is a compilation failure because of the possible
buffer overrun.
I couldn't find a specification for how this function is meant to
behave, but Paul pointed to RFC 4034 as relevant to the cases where
this function is called from within glibc. The function's interface
is inherently problematic when dates beyond Y2038 might be involved,
because of the ambiguity in how to interpret 32-bit timestamps as such
dates (the RFC suggests interpreting times as being within 68 years of
the present date, which would mean some kind of interface whose
behavior depends on the present date).
This patch works on the basis of making a minimal fix in preparation
for obsoleting the function. The function is made to handle times in
the interval [0, 0x7fffffff] only, on all platforms, with <overflow>
used as the output string in other cases (and errno set to EOVERFLOW
in such cases). This seems to be a reasonable state for the function
to be in when made a compat symbol by a future patch, being compatible
with any existing uses for existing timestamps without trying to work
for later timestamps. Results independent of the range of time_t also
simplify the testcase.
I couldn't persuade GCC to recognize the ranges of the struct tm
fields by adding explicit range checks with a call to
__builtin_unreachable if outside the range (this looks similar to
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80776>), so having added
a range check on the input, this patch then disables the
-Wformat-overflow= warning for the sprintf call (I prefer that to the
use of strftime, as being more transparently correct without knowing
what each of %m and %M etc. is).
I do not know why this build failure should be new with mainline GCC
(that is, I don't know what GCC change might have introduced it, when
the basic functionality for such warnings was already in GCC 7).
I do not know if this is a security issue (that is, if there are
plausible ways in which a date before -999 or after 9999 from an
untrusted source might end up in this function). The system clock is
arguably an untrusted source (in that e.g. NTP is insecure), but
probably not to that extent (NTP can't communicate such wild
timestamps), and uses from within glibc are limited to 32-bit inputs.
Tested with build-many-glibcs.py that this restores the build for arm
with yesterday's mainline GCC. Also tested for x86_64 and x86.
[BZ #22463]
* resolv/res_debug.c: Include <libc-diag.h>.
(p_secstodate): Assert time_t at least as wide as u_long. On
overflow, use integer seconds since the epoch as output, or use
"<overflow>" as output and set errno to EOVERFLOW if integer
seconds since the epoch would be 14 or more characters.
(p_secstodate) [__GNUC_PREREQ (7, 0)]: Disable -Wformat-overflow=
for sprintf call.
* resolv/tst-p_secstodate.c: New file.
* resolv/Makefile (tests): Add tst-p_secstodate.
($(objpfx)tst-p_secstodate): Depend on $(objpfx)libresolv.so.
(cherry picked from commit f120cda6072d830df92656dad0c89967547b97dc)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d161b294e1267ca275352c26850255c5efc998de
commit d161b294e1267ca275352c26850255c5efc998de
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Nov 12 22:00:28 2017 -0800
timezone: pacify GCC -Wstringop-truncation
Problem reported by Martin Sebor in:
https://sourceware.org/ml/libc-alpha/2017-11/msg00336.html
* timezone/zic.c (writezone): Use memcpy, not strncpy.
(cherry picked from commit e69897bf202e18034cbef26f363bae64de70a196)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e37ec9c813de3faeabc31d9ffc896ba45b4dfd5f
commit e37ec9c813de3faeabc31d9ffc896ba45b4dfd5f
Author: Martin Sebor <msebor@redhat.com>
Date: Wed Nov 15 17:39:59 2017 -0700
utmp: Avoid -Wstringop-truncation warning
The -Wstringop-truncation option new in GCC 8 detects common misuses
of the strncat and strncpy function that may result in truncating
the copied string before the terminating NUL. To avoid false positive
warnings for correct code that intentionally creates sequences of
characters that aren't guaranteed to be NUL-terminated, arrays that
are intended to store such sequences should be decorated with a new
nonstring attribute. This change add this attribute to Glibc and
uses it to suppress such false positives.
ChangeLog:
* misc/sys/cdefs.h (__attribute_nonstring__): New macro.
* sysdeps/gnu/bits/utmp.h (struct utmp): Use it.
* sysdeps/unix/sysv/linux/s390/bits/utmp.h (struct utmp): Same.
(cherry picked from commit 7532837d7b03b3ca5b9a63d77a5bd81dd23f3d9c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27611fd05b444042de4a718c2f21e9efae755825
commit 27611fd05b444042de4a718c2f21e9efae755825
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 22 18:44:23 2017 +0000
Avoid use of strlen in getlogin_r (bug 22447).
Building glibc with current mainline GCC fails, among other reasons,
because of an error for use of strlen on the nonstring ut_user field.
This patch changes the problem code in getlogin_r to use __strnlen
instead. It also needs to set the trailing NUL byte of the result
explicitly, because of the case where ut_user does not have such a
trailing NUL byte (but the result should always have one).
Tested for x86_64. Also tested that, in conjunction with
<https://sourceware.org/ml/libc-alpha/2017-11/msg00797.html>, it fixes
the build for arm with mainline GCC.
[BZ #22447]
* sysdeps/unix/getlogin_r.c (__getlogin_r): Use __strnlen not
strlen to compute length of ut_user and set trailing NUL byte of
result explicitly.
(cherry picked from commit 4bae615022cb5a5da79ccda83cc6c9ba9f2d479c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 76 ++++++++++++++++++++++++++++++
NEWS | 3 +
misc/sys/cdefs.h | 9 ++++
nptl/tst-attr3.c | 19 +++++++
nscd/connections.c | 5 +-
nscd/dbg_log.c | 2 +-
resolv/Makefile | 3 +-
resolv/res_debug.c | 24 +++++++++-
resolv/tst-p_secstodate.c | 67 ++++++++++++++++++++++++++
string/bug-strncat1.c | 8 +++
string/tester.c | 58 +++++++++++++++++++++--
sysdeps/gnu/bits/utmp.h | 9 ++-
sysdeps/unix/getlogin_r.c | 5 +-
sysdeps/unix/sysv/linux/s390/bits/utmp.h | 9 ++-
timezone/zic.c | 2 +-
15 files changed, 281 insertions(+), 18 deletions(-)
create mode 100644 resolv/tst-p_secstodate.c
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Subject: [Bug libc/23797] Different constants/names for GNU_PROPERTY_X86_ISA types and features in glibc elf.h and binutils
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/17490] popen should not invoke atfork handlers
Date: Mon, 22 Oct 2018 13:50:00 -0000
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Considering the rationale on pthread_atfork, it would make sense to actually
run atfork handlers on popen/system iff the api ran some user-provided callback
which might taking any user-provided locks.
In any case, I think we need to either:
1. Accept this bug and open an Austin Group defect to change the popen/system
definition.
2. Close this bug and open a Austin Group clarification about popen/system
behavior regarding atfork handlers.
I am more inclined to follow 1.
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Subject: [Bug stdio/17490] popen should not invoke atfork handlers
Date: Mon, 22 Oct 2018 13:51:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #3)
> Considering the rationale on pthread_atfork, it would make sense to actually
> run atfork handlers on popen/system iff the api ran some user-provided
> callback which might taking any user-provided locks.
>
> In any case, I think we need to either:
>
> 1. Accept this bug and open an Austin Group defect to change the
> popen/system definition.
>
> 2. Close this bug and open a Austin Group clarification about popen/system
> behavior regarding atfork handlers.
>
> I am more inclined to follow 1.
I agree (“accept this bug†meaning “fix this bug in glibcâ€).
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The last two lines might give you some indication what might be wrong about
your testing:
"Btw. the script doesn't work if you're installing GNU libc not as your
primary library!"
You need to make sure both system *and* toolchain is actually using the new
glibc installation, which not seems to be the case in your testing since you
are using system compiler and it will search default paths instead of you glibc
installation (the '__close_nocancel@GLIBC_PRIVATE' shows that compiler is
linking against an older ld.so).
One option is to use a chroot and testing against it I did found out some
issues with current script that fail to take in consideration a new nss test
library and the no-as-needed linker option. Using the following patch the
script ran fine on my environment.
I will keep the bug open to track the test-installation.pl fix.
---
diff --git a/scripts/test-installation.pl b/scripts/test-installation.pl
index b2e4ba7646..a294029cbf 100755
--- a/scripts/test-installation.pl
+++ b/scripts/test-installation.pl
@@ -125,7 +125,9 @@ while (<SOVERSIONS>) {
next if ($build_mathvec == 0 && $name eq "mvec");
if ($name ne "nss_ldap" && $name ne "db1"
&& $name ne "thread_db"
- && $name ne "nss_test1" && $name ne "libgcc_s") {
+ && $name ne "nss_test1"
+ && $name ne "nss_test2"
+ && $name ne "libgcc_s") {
$link_libs .= " -l$name";
$versions{$name} = $version;
}
@@ -156,7 +158,7 @@ int main(void) {
';
close PRG;
-open GCC, "$CC $dir/test-prg$$.c $link_libs -o $dir/test-prg$$ 2>&1 |"
+open GCC, "$CC $dir/test-prg$$.c -Wl,-no-as-needed $link_libs -o
$dir/test-prg$$ 2>&1 |"
or die ("Couldn't execute $CC!");
while (<GCC>) {
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Right, so my changes [1] [2] follow this direction.
[1] https://sourceware.org/ml/libc-alpha/2018-10/msg00364.html
[2] https://sourceware.org/ml/libc-alpha/2018-10/msg00363.html
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
Date: Mon, 22 Oct 2018 14:44:00 -0000
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--- Comment #2 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
I had already the first snippet including nss_nis and nss_nisplus due to
https://sourceware.org/bugzilla/show_bug.cgi?id=21911#c3 .
I have used the installation procedure at
https://www.tldp.org/HOWTO/html_single/Glibc-Install-HOWTO/#after-the-kernel-is-booted
. It has worked for more than ten years. Well, I have not booted the system
in single-user mode, but I do not think this is relavant here. In particular,
the manual doesn’t say anything about DESTDIR and chroot.
In any case, I could install some months ago libc-2.28 on a different system
using the same procedure and the first snippet was sufficient. However I used
then older gcc and binutils, that is why I asked how can I verify if the
troubles come from them. Of course there are for sure other differences
between both systems, not only binutils and gcc versions.
The second snippet does not help.
Moreover, after leaving glibc half-installed, by adding nss_db to the exclusive
list in scripts/test-install.pl, and calling again make install, which
completes and doing in gcc-7-branch
../configure --enable-threads=posix --enable-nls --disable-multilib
--enable-interpreter --with-system-zlib --enable-libgcj-multifile
--enable-languages=all --enable-targets=all --with-system-unwind --without-x
--with-linker-hash-style=gnu --enable-shared --with-build-config=bootstrap-lto\
bootstrap-O3
I get in config.log:
configure:5724: checking for the correct version of the gmp/mpfr/mpc libraries
configure:5755: gcc -o conftest -g -O2 conftest.c -lmpc -lmpfr -lgmp >&5
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/ld:
/lib64/libm.so.6: undefined reference to `__strtod_nan@GLIBC_PRIVATE'
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/ld:
/lib64/libm.so.6: undefined reference to `__strtof128_nan@GLIBC_PRIVATE'
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/ld:
/lib64/libm.so.6: undefined reference to `__strtof_nan@GLIBC_PRIVATE'
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/ld:
/lib64/libm.so.6: undefined reference to `__strtold_nan@GLIBC_PRIVATE'
collect2: error: ld returned 1 exit status
configure:5755: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME ""
| #define PACKAGE_TARNAME ""
| #define PACKAGE_VERSION ""
| #define PACKAGE_STRING ""
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define LT_OBJDIR ".libs/"
| /* end confdefs.h. */
| #include <mpc.h>
| int
| main ()
| {
where /lib64/libm.so.6 is the just installed one.
That said I suspect that the symbols @GLIBC_PRIVATE are not included.
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Subject: [Bug locale/23793] c32rtomb and mbrtoc32 should not alias wcrtomb and mbrtowc
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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Subject: [Bug locale/23793] c32rtomb and mbrtoc32 should not alias wcrtomb and mbrtowc
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be8ff03f92df08055ac5f15f1b65b24026a683a5
commit be8ff03f92df08055ac5f15f1b65b24026a683a5
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Oct 22 14:52:14 2018 +0000
Stop c32rtomb and mbrtoc32 aliasing wcrtomb and mbrtowc (bug 23793).
glibc does:
/* There should be no difference between the UTF-32 handling required
by c32rtomb and the wchar_t handling which has long since been
implemented in wcrtomb. */
weak_alias (__wcrtomb, c32rtomb)
/* There should be no difference between the UTF-32 handling required
by mbrtoc32 and the wchar_t handling which has long since been
implemented in mbrtowc. */
weak_alias (__mbrtowc, mbrtoc32)
The reasoning in those comments to justify those aliases is incorrect:
ISO C requires that, for the case of a NULL mbstate_t* being passed,
each function has its *own* internal static mbstate_t. Thus a program
must be able to use both wcrtomb and c32rtomb at the same time with
each keeping its own separate state, and likewise for mbrtowc and
mbrtoc32.
This patch duly sets up separarate char32_t function that wrap the
wchar_t ones. Note that the included test only covers the mbrtoc32 /
mbrtowc pair. While I think the change made is logically correct for
c32rtomb / wcrtomb as well, I'm not sure we have a locale with a
suitable state-dependent multibyte encoding for testing that part of
the change.
Tested for x86_64.
[BZ #23793]
* wcsmbs/c32rtomb.c: New file.
* wcsmbs/mbrtoc32.c: Likewise.
* wcsmbs/tst-c32-state.c: Likewise.
* wcsmbs/mbrtowc.c (mbrtoc32): Do not define as alias.
* wcsmbs/wcrtomb.c (c32rtomb): Likewise.
* wcsmbs/Makefile (routines): Add mbrtoc32 and c32rtomb.
(tests): Add tst-c32-state.
[$(run-built-tests) = yes] ($(objpfx)tst-c32-state.out): Depend on
$(gen-locales).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++++++
wcsmbs/Makefile | 5 +++--
wcsmbs/c32rtomb.c | 32 ++++++++++++++++++++++++++++++++
wcsmbs/mbrtoc32.c | 32 ++++++++++++++++++++++++++++++++
wcsmbs/mbrtowc.c | 5 -----
wcsmbs/tst-c32-state.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
wcsmbs/wcrtomb.c | 5 -----
7 files changed, 124 insertions(+), 12 deletions(-)
create mode 100644 wcsmbs/c32rtomb.c
create mode 100644 wcsmbs/mbrtoc32.c
create mode 100644 wcsmbs/tst-c32-state.c
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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Sergi Almacellas Abellana <sergi at koolpi dot com> changed:
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----------------------------------------------------------------------------
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is obsolete| |
--- Comment #10 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
Created attachment 11359
--> https://sourceware.org/bugzilla/attachment.cgi?id=11359&action=edit
patch_v3
Thanks Joan. I uploaded a new patch which implements what you've commented
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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patch_v4
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to dilyan.palauzov@aegee.org from comment #2)
> I had already the first snippet including nss_nis and nss_nisplus due to
> https://sourceware.org/bugzilla/show_bug.cgi?id=21911#c3 .
Thanks, I was not aware to this issue.
>
> I have used the installation procedure at
> https://www.tldp.org/HOWTO/html_single/Glibc-Install-HOWTO/#after-the-kernel-
> is-booted . It has worked for more than ten years. Well, I have not booted
> the system in single-user mode, but I do not think this is relavant here.
> In particular, the manual doesn’t say anything about DESTDIR and chroot.
This is not the canonical to documentation unfortunately. We have a FAQ
regarding installation [1] as it notes on 'How do I install all of the GNU C
Library project libraries that I just built?':
"The only pedantically correct way to install these libraries is to install
them first into a temporary directory such as /tmp/glibc via make install
DESTDIR=/tmp/glibc, then copy that directory into an initial root disk, boot
the initial root disk, and copy the results to your root filesystem, and then
pivot into the root filesystem as the final step of booting. That is the *only*
safe way to install glibc today."
>
> In any case, I could install some months ago libc-2.28 on a different system
> using the same procedure and the first snippet was sufficient. However I
> used then older gcc and binutils, that is why I asked how can I verify if
> the troubles come from them. Of course there are for sure other differences
> between both systems, not only binutils and gcc versions.
>
> The second snippet does not help.
>
> Moreover, after leaving glibc half-installed, by adding nss_db to the
> exclusive list in scripts/test-install.pl, and calling again make install,
> which completes and doing in gcc-7-branch
>
> ../configure --enable-threads=posix --enable-nls --disable-multilib
> --enable-interpreter --with-system-zlib --enable-libgcj-multifile
> --enable-languages=all --enable-targets=all --with-system-unwind --without-x
> --with-linker-hash-style=gnu --enable-shared
> --with-build-config=bootstrap-lto\ bootstrap-O3
>
> I get in config.log:
>
> configure:5724: checking for the correct version of the gmp/mpfr/mpc
> libraries
> configure:5755: gcc -o conftest -g -O2 conftest.c -lmpc -lmpfr -lgmp >&5
> /usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/
> bin/ld: /lib64/libm.so.6: undefined reference to `__strtod_nan@GLIBC_PRIVATE'
> /usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/
> bin/ld: /lib64/libm.so.6: undefined reference to
> `__strtof128_nan@GLIBC_PRIVATE'
> /usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/
> bin/ld: /lib64/libm.so.6: undefined reference to `__strtof_nan@GLIBC_PRIVATE'
> /usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/
> bin/ld: /lib64/libm.so.6: undefined reference to
> `__strtold_nan@GLIBC_PRIVATE'
> collect2: error: ld returned 1 exit status
> configure:5755: $? = 1
> configure: failed program was:
> | /* confdefs.h */
> | #define PACKAGE_NAME ""
> | #define PACKAGE_TARNAME ""
> | #define PACKAGE_VERSION ""
> | #define PACKAGE_STRING ""
> | #define PACKAGE_BUGREPORT ""
> | #define PACKAGE_URL ""
> | #define LT_OBJDIR ".libs/"
> | /* end confdefs.h. */
> | #include <mpc.h>
> | int
> | main ()
> | {
>
> where /lib64/libm.so.6 is the just installed one.
>
> That said I suspect that the symbols @GLIBC_PRIVATE are not included.
I still think your installation is broken in some point. GLIBC_PRIVATE symbols
are, as the name indicates, private to glibc libraries and can change over
releases. It also means glibc does not support mixing libraries with different
version (for instance 2.27 libm with 2.28 libc).
The __strto[f,d]_nan, for instance, on 2.28 should be provided by libc.so:
$ objdump -T libc.so | grep __strto[d,f]_nan
0000000000044a50 g DF .text 00000000000000d7 GLIBC_PRIVATE __strtod_nan
00000000000449a0 g DF .text 00000000000000a2 GLIBC_PRIVATE __strtof_nan
I can't tell why it was working before and not now, but the issue seems to be
with your installation.
[1] https://sourceware.org/glibc/wiki/FAQ#Installation_and_configuration_issues
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--- Comment #6 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
*** Bug 23807 has been marked as a duplicate of this bug. ***
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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----------------------------------------------------------------------------
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--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
From previous comments.
*** This bug has been marked as a duplicate of bug 21911 ***
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #5 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
I removed the old libc, so that everybody is forced to use the new one. The
current problem is, that test-installation.pl calls eventually:
gcc /src/glibc228//test-prg7044.c -Wl,--no-as-needed -lc -lBrokenLocale
-lpthread -lcrypt -ldl -lgcc_s -lnsl -lutil -lnss_dns -lnss_compat -lmvec
-lresolv -lnss_db -lm -lnss_files -lrt -lnss_hesiod -lanl -o
/src/glibc228//test-prg7044
and inspects from ldd to list all libraries. On my system calling the above
with -v prints
Target: x86_64-pc-linux-gnu
[0/77067]
Configured with: ../configure --enable-threads=posix --enable-nls
--disable-multilib --enable-interpreter --with-system-zlib
--enable-libgcj-multifile --enabl
e-languages=all --enable-targets=all --with-system-unwind --without-x
--with-linker-hash-style=gnu --enable-shared --with-build-config='bootstrap-lto
bootstr$
p-O3'
Thread model: posix
gcc version 7.3.1 20181013 (GCC)
COLLECT_GCC_OPTIONS='-v' '-o' '/src/glibc228//test-prg7044' '-mtune=generic'
'-march=x86-64'
/usr/local/libexec/gcc/x86_64-pc-linux-gnu/7.3.1/cc1 -quiet -v -imultiarch
x86_64-linux-gnu /src/glibc228//test-prg7044.c -quiet -dumpbase test-prg7044.c
-m$
une=generic -march=x86-64 -auxbase test-prg7044 -version -o /tmp/ccRjP0aZ.s
GNU C11 (GCC) version 7.3.1 20181013 (x86_64-pc-linux-gnu)
compiled by GNU C version 7.3.1 20181013, GMP version 6.1.2, MPFR version
4.0.0, MPC version 1.1.0, isl version isl-0.19-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/include
/usr/local/include
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/include-fixed
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
GNU C11 (GCC) version 7.3.1 20181013 (x86_64-pc-linux-gnu)
compiled by GNU C version 7.3.1 20181013, GMP version 6.1.2, MPFR version
4.0.0, MPC version 1.1.0, isl version isl-0.19-GMP
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 8ff192ae53ef780b032a40b890e7c233
COLLECT_GCC_OPTIONS='-v' '-o' '/src/glibc228//test-prg7044' '-mtune=generic'
'-march=x86-64'
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/bin/as
-v --64 -o /tmp/cc6dyMoA.o /tmp/ccRjP0aZ.s
GNU assembler version 2.31.51 (x86_64-pc-linux-gnu) using BFD version (GNU
Binutils) 2.31.51.20181019
COMPILER_PATH=/usr/local/libexec/gcc/x86_64-pc-linux-gnu/7.3.1/:/usr/local/libexec/gcc/x86_64-pc-linux-gnu/7.3.1/:/usr/local/libexec/gcc/x86_64-pc-linux-gnu/$/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/:/usr/local/lib/gcc/x86_64-pc-linux-gnu/:/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux
-gnu/bin/
LIBRARY_PATH=/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/:/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../x86_64-linux-gnu/:/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../lib64/:/lib/x86_64-linux-gnu/:/lib/../lib64/:/usr/lib/x86_64-linux-gnu/:/usr/lib/../lib64/:/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/lib/:/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-o' '/src/glibc228//test-prg7044' '-mtune=generic'
'-march=x86-64'
/usr/local/libexec/gcc/x86_64-pc-linux-gnu/7.3.1/collect2 -plugin
/usr/local/libexec/gcc/x86_64-pc-linux-gnu/7.3.1/liblto_plugin.so
-plugin-opt=/usr/local/libexec/gcc/x86_64-pc-linux-gnu/7.3.1/lto-wrapper
-plugin-opt=-fresolution=/tmp/cc3zxGDb.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s
--eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker
/lib64/ld-linux-x86-64.so.2 -o /src/glibc228//test-prg7044
/usr/lib/../lib64/crt1.o /usr/lib/../lib64/crti.o
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/crtbegin.o
-L/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1
-L/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../x86_64-linux-gnu
-L/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../lib64
-L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu
-L/usr/lib/../lib64
-L/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../../../x86_64-pc-linux-gnu/lib
-L/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/../../.. /tmp/cc6dyMoA.o
--no-as-needed -lc -lBrokenLocale -lpthread -lcrypt -ldl -lgcc_s -lnsl -lutil
-lnss_dns -lnss_compat -lmvec -lresolv -lnss_db -lm -lnss_files -lrt
-lnss_hesiod -lanl -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc
--as-needed -lgcc_s --no-as-needed
/usr/local/lib/gcc/x86_64-pc-linux-gnu/7.3.1/crtend.o /usr/lib/../lib64/crtn.o
COLLECT_GCC_OPTIONS='-v' '-o' '/src/glibc228//test-prg7044' '-mtune=generic'
'-march=x86-64'
and
ldd test-prg7044
linux-vdso.so.1 (0x00007ffc0f9e1000)
libc.so.6 => /lib64/libc.so.6 (0x00007fdc40cc4000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fdc40ca3000)
libgcc_s.so.1 => /usr/local/lib64/libgcc_s.so.1 (0x00007fdc40c8a000)
libnss_dns.so.2 => /lib64/libnss_dns.so.2 (0x00007fdc40c83000)
libnss_compat.so.2 => /lib64/libnss_compat.so.2 (0x00007fdc40c78000)
libmvec.so.1 => /lib64/libmvec.so.1 (0x00007fdc40c4c000)
libnss_db.so.2 => /lib64/libnss_db.so.2 (0x00007fdc40c3d000)
libnss_files.so.2 => /lib64/libnss_files.so.2 (0x00007fdc40c28000)
libnss_hesiod.so.2 => /lib64/libnss_hesiod.so.2 (0x00007fdc40c22000)
/lib64/ld-linux-x86-64.so.2 (0x00007fdc40e98000)
libresolv.so.2 => /lib64/libresolv.so.2 (0x00007fdc40c09000)
libm.so.6 => /lib64/libm.so.6 (0x00007fdc40a8a000)
BrokenLocale, anl, dl are not included.
Any ideas?
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #6 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
Do I read correctly, that the correct way to install libc is with “make install
DESTDIR=xâ€, in which case $(install_root) in Makefile and config.make is set to
x .
Then Makefile calls scripts/test-installation.pl only ifeq(,$(install_root)),
so never.
When is test-installation.pl supposed to be run, when is the installation not
supposed to involve DESTDIRS?
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to dilyan.palauzov@aegee.org from comment #6)
> Do I read correctly, that the correct way to install libc is with “make
> install DESTDIR=xâ€, in which case $(install_root) in Makefile and
> config.make is set to x .
>
> Then Makefile calls scripts/test-installation.pl only
> ifeq(,$(install_root)), so never.
>
> When is test-installation.pl supposed to be run, when is the installation
> not supposed to involve DESTDIRS?
The script was added before we write down the FAQ regarding installation and
its was no updated recently also because the kind of installation you are
trying is not currently support.
As I said in my first comment, one option to actually check the
test-installation.pl is to install over a chroot using DESTDIRS, copy the build
folder (since the script uses to define which libraries it will try to
install), and run inside a chroot session.
I more and more inclined to just sent a patch to just remove this installation
test.
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #7)
> I more and more inclined to just sent a patch to just remove this
> installation test.
I was about to suggest that. 8-)
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>From glibc-bugs-return-43638-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 23 14:14:18 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23810] New: dl-close: if dl-load procedure failed, dl-close doesn't delete the half-cooked objects with DF_1_NODELETE
Date: Tue, 23 Oct 2018 14:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23810
Bug ID: 23810
Summary: dl-close: if dl-load procedure failed, dl-close
doesn't delete the half-cooked objects with
DF_1_NODELETE
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: lion at aosc dot io
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Created attachment 11361
--> https://sourceware.org/bugzilla/attachment.cgi?id=11361&action=edit
Shell script to reproduce the bug
This will happen when a program loads a plugin linked against DF_1_NODELETE
shared objects (e.g. /usr/lib/libglib-2.0.so in my computer) and then failed in
initialisation progress (phase?) because of, for example, missing some other
shared objects. The half-cooked shared objects will be still in link_map
chains.
Now, consider another normal object is being loaded, ld.so will try to resolve
their symbols in the chains and crash because libglib-2.0.so had not been
relocated and many fields remain uninitialised. In fact, it crashes in many
ways.
In short, even a object is marked as NODELETE, if it has not been completely
"loaded", it should be deleted.
(A simple reproduce script is attached, you will need a C compiler. Tested on
Arch Linux, Ubuntu 18.04, AOSC OS)
I am willing to propose a patch in /elf/dl-... but I am not sure about the
workflow here.
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #9 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
I asked at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87710 why
libBrokenLocale is not shown on ldd test-prg7044.
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>From glibc-bugs-return-43640-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 23 16:00:51 2018
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Subject: [Bug dynamic-link/23810] dl-close: if dl-load procedure failed, dl-close doesn't delete the half-cooked objects with DF_1_NODELETE
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-10-23
CC| |fweimer at redhat dot com
Ever confirmed|0 |1
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Would you please review bug 20839 and check if it's the same issue? Thanks.
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>From glibc-bugs-return-43641-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 23 16:39:41 2018
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #10 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
From https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87710 moved to
for ld.bfd: https://sourceware.org/bugzilla/show_bug.cgi?id=23811
for ld.gold: https://sourceware.org/bugzilla/show_bug.cgi?id=23812
as not including libBrokenLocale in the output of ldd is not a compiler
problem, that both gcc and clang have, but a linker problem, that happens with
both ld.bfd and ld.gold.
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #11 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Apart from possibly removing this test if no longer relevant (one fewer
perl script to move to python), consider adding an error from the
makefiles if you install without DESTDIR / install_root set? I.e.,
*require* that to install in your root filesystem you use some
(unspecified) distribution mechanism (which might be something you wrote
locally, of course)?
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Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
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--- Comment #12 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
That disallowing should only be if using a default system prefix (/usr or
empty), not if someone configures --prefix=/some/other/prefix.
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
Target Milestone|--- |2.29
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
Date: Tue, 23 Oct 2018 18:29:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23709
--- Comment #23 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=18ad0de6513bf8a8e4ba757c069e6806d07920f8
commit 18ad0de6513bf8a8e4ba757c069e6806d07920f8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Oct 23 14:53:12 2018 -0300
Fix tst-preadvwritev2 build failure on HURD
Commit 7a16bdbb9ff41 uses IOV_MAX, which is not defined on hurd.
Checked on a build for i686-gnu.
* misc/tst-preadvwritev2-common.c (IOV_MAX): Define if not
defined.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c3d8dc45c9df199b8334599a6cbd98c9950dba62
commit c3d8dc45c9df199b8334599a6cbd98c9950dba62
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Oct 11 15:18:40 2018 -0300
x86: Fix Haswell strong flags (BZ#23709)
Th commit 'Disable TSX on some Haswell processors.' (2702856bf4) changed
the
default flags for Haswell models. Previously, new models were handled by
the
default switch path, which assumed a Core i3/i5/i7 if AVX is available.
After
the patch, Haswell models (0x3f, 0x3c, 0x45, 0x46) do not set the flags
Fast_Rep_String, Fast_Unaligned_Load, Fast_Unaligned_Copy, and
Prefer_PMINUB_for_stringop (only the TSX one).
This patch fixes it by disentangle the TSX flag handling from the memory
optimization ones. The strstr case cited on patch now selects the
__strstr_sse2_unaligned as expected for the Haswell cpu.
Checked on x86_64-linux-gnu.
[BZ #23709]
* sysdeps/x86/cpu-features.c (init_cpu_features): Set TSX bits
independently of other flags.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
misc/tst-preadvwritev2-common.c | 5 +++++
sysdeps/x86/cpu-features.c | 6 ++++++
3 files changed, 20 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
Date: Tue, 23 Oct 2018 18:29:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
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--- Comment #24 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (c3d8dc45c9df199b8334599a6cbd98c9950dba62).
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Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
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Daming Yang <lion at aosc dot io> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |lion at aosc dot io
--- Comment #4 from Daming Yang <lion at aosc dot io> ---
*** Bug 23810 has been marked as a duplicate of this bug. ***
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Subject: [Bug dynamic-link/23810] dl-close: if dl-load procedure failed, dl-close doesn't delete the half-cooked objects with DF_1_NODELETE
Date: Tue, 23 Oct 2018 18:59:00 -0000
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Daming Yang <lion at aosc dot io> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
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--- Comment #2 from Daming Yang <lion at aosc dot io> ---
(In reply to Florian Weimer from comment #1)
> Would you please review bug 20839 and check if it's the same issue? Thanks.
Yes, I think they are exactly the same.
*** This bug has been marked as a duplicate of bug 20839 ***
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>From glibc-bugs-return-43651-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 11:29:00 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/23289] Why is the NSCD host cache corrupted occasionally?
Date: Wed, 24 Oct 2018 11:29:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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Flags| |security-
--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
The reported did not provide enough information. nss_ldap (as opposed to
nss_ldapd) mentioned in comment 8 is outdated and known to be structurally
unsound.
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>From glibc-bugs-return-43652-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 11:31:40 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23076] Iconv translitterate with profile
Date: Wed, 24 Oct 2018 11:31:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #14 from Florian Weimer <fweimer at redhat dot com> ---
Sorry, I was mistaken about the charmap approach. glibc currently does not
have a way to alter charmaps based on locale definitions.
I still think that the configurable charmaps would go a long way towards
solving this issue, but declarative charmaps processing is a lot of work (and
we need to keep support for gconv modules around, for backwards compatibility).
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>From glibc-bugs-return-43653-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 11:33:47 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/21499] Uninitialised pointer in svcudp_reply()
Date: Wed, 24 Oct 2018 11:33:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Sorry, this bug report does not contain any actionable information.
I reviewed the Sun RPC code in glibc based on your report, but I could not
identify a root cause based on source code inspection alone. While I cannot
rule out that there is a bug in the library, it seems equally likely that the
cause is an application bug, and even if it's our bug, we currently do not know
how to fix it.
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>From glibc-bugs-return-43654-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 11:35:20 2018
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Subject: [Bug network/16919] recvmsg standard compliance
Date: Wed, 24 Oct 2018 11:35:00 -0000
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--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
Do we still plan to fix this bug? I'm inclined to close it as WONTFIX.
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>From glibc-bugs-return-43655-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 12:03:31 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/16919] recvmsg standard compliance
Date: Wed, 24 Oct 2018 12:03:00 -0000
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--- Comment #12 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #11)
> Do we still plan to fix this bug? I'm inclined to close it as WONTFIX.
The fix it self it just a matter to adapt 2f0dc39029ae08, 222c2d7f4357d66,
af7f7c7ec8dea1 to master. However to proper fix I think we should first revise
and fix dlsym/dlvsym issues (BZ#1319, BZ#12977, BZ#14932) so libraries that
override libc symbols (like sanitizers) can access correctly all the versions.
In any case, I think the overall gain on fix it is quite small and I think it
would be ok to just close it.
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>From glibc-bugs-return-43656-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 12:33:30 2018
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From: "dilyan.palauzov at aegee dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23807] failure in scripts/test-installation.pl: libnss_db.so: undefined reference to `__open_nocancel@GLIBC_PRIVATE'
Date: Wed, 24 Oct 2018 12:33:00 -0000
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--- Comment #13 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
At the end of the day scripts/test-installation.pl showed indeed problems on my
system: I have removed .so files coming from old libc, installed by the
distribution, but not the corresponding .a files, which the linker just used.
So I am in favour of keeping it.
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>From glibc-bugs-return-43657-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 14:35:38 2018
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Subject: [Bug libc/18093] Corrupted aux-cache causes ldconfig to segfault
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2954daf00bb4dc27c69a48e6798d5960ea320741
commit 2954daf00bb4dc27c69a48e6798d5960ea320741
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Oct 23 09:40:14 2018 +0200
Add more checks for valid ld.so.cache file (bug 18093)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
elf/cache.c | 5 +++++
elf/dl-cache.c | 5 ++++-
3 files changed, 16 insertions(+), 1 deletions(-)
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Subject: [Bug libc/18093] Corrupted aux-cache causes ldconfig to segfault
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>From glibc-bugs-return-43659-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 14:38:26 2018
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Subject: [Bug network/16919] recvmsg standard compliance
Date: Wed, 24 Oct 2018 14:38:00 -0000
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--- Comment #13 from Rich Felker <bugdal at aerifal dot cx> ---
It would be really disappointing to see this closed. glibc has made a lot of
progress on not treating this kind of issue as a joke and I feel like this
would be a setback.
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>From glibc-bugs-return-43660-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 14:42:59 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/16919] recvmsg standard compliance
Date: Wed, 24 Oct 2018 14:42:00 -0000
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--- Comment #14 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Rich Felker from comment #13)
> It would be really disappointing to see this closed. glibc has made a lot of
> progress on not treating this kind of issue as a joke and I feel like this
> would be a setback.
It's a kernel bug. I consider rewriting the ancillary data too risky. The
kernel ABI around recvmsg/sendmsg isn't totally stable, too.
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>From glibc-bugs-return-43661-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 15:08:04 2018
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Subject: [Bug locale/17318] [RFE] Provide a C.UTF-8 locale by default
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Pacho Ramos <pachoramos1 at gmail dot com> changed:
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>From glibc-bugs-return-43662-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 15:16:55 2018
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From: "bugdal at aerifal dot cx" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/16919] recvmsg standard compliance
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--- Comment #15 from Rich Felker <bugdal at aerifal dot cx> ---
It is a kernel bug, but there are A LOT of kernel bugs that are conformance
bugs where userspace (libc) has to patch around the kernel behavior to get a
conforming environment. Things like wrong errno values, spurious failure in a
corner case that should be success or vice versa, etc.
Maybe this is getting off-topic for an individual bug, but "WONTFIX" has a
really bad reputation and implication of finality. If it's really too risky to
fix now or in the forseeable future, it would be nice to have a state
expressing that an issue is blocked (has no current plausible path forward) or
deferred without an explicit and willful "intent not to fix".
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>From glibc-bugs-return-43663-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 16:29:37 2018
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Subject: [Bug network/16919] recvmsg standard compliance
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--- Comment #16 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Wed, 24 Oct 2018, bugdal at aerifal dot cx wrote:
> Maybe this is getting off-topic for an individual bug, but "WONTFIX" has a
> really bad reputation and implication of finality. If it's really too risky to
> fix now or in the forseeable future, it would be nice to have a state
> expressing that an issue is blocked (has no current plausible path forward) or
> deferred without an explicit and willful "intent not to fix".
I agree WONTFIX should be avoided except for bugs in removed functionality
(e.g. we remove a port which has some open port-specific bugs). If
something depends on an external fix (kernel, compiler, standard DR
resolution, etc.), SUSPENDED is the appropriate state (WAITING is
different, it means waiting for more information from the submitter). If
we reach consensus that something is not a bug and the change requested by
the submitter is not desirable, INVALID should be used instead of WONTFIX.
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>From glibc-bugs-return-43664-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 21:11:46 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/14266] tile: -fexceptions breaks pthread_cancel()
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
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CC| |adhemerval.zanella at linaro dot o
| |rg
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Closing since tile is no longer a supported target.
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>From glibc-bugs-return-43665-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 22:57:57 2018
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From: "samuel.thibault@ens-lyon.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug hurd/23819] New: hurd: Add C11 thread support
Date: Wed, 24 Oct 2018 22:57:00 -0000
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Bug ID: 23819
Summary: hurd: Add C11 thread support
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: hurd
Assignee: unassigned at sourceware dot org
Reporter: samuel.thibault@ens-lyon.org
CC: tschwinge at sourceware dot org
Target Milestone: ---
We should support C11 threads on top of pthreads, to share as much as the
implementation as possible, and share the testsuite.
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>From glibc-bugs-return-43666-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 24 23:11:51 2018
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Subject: [Bug nptl/14266] tile: -fexceptions breaks pthread_cancel()
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Andrew Cagney <cagney at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Host|tilegx tilepro |
Resolution|INVALID |---
--- Comment #3 from Andrew Cagney <cagney at sourceware dot org> ---
Re-opening, bug also occurs on amd64
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>From glibc-bugs-return-43667-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 09:26:00 2018
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https://sourceware.org/bugzilla/show_bug.cgi?id=16966
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |alpha
CC| |fweimer at redhat dot com
Summary|si_band has the wrong type |si_band has the wrong type
| |on alpha
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>From glibc-bugs-return-43669-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 09:26:56 2018
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Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23821
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Subject: [Bug libc/16966] si_band has the wrong type on alpha
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=23821
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>From glibc-bugs-return-43668-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 09:26:56 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23821] New: si_band in siginfo_t has wrong type long int on sparc64
Date: Thu, 25 Oct 2018 09:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23821
Bug ID: 23821
Summary: si_band in siginfo_t has wrong type long int on
sparc64
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: sparc64
Flags: security-
The kernel uses int, not long int. For 32-bit, we can keep using long int, but
we need to XFAIL the int type for si_band for sparc64.
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>From glibc-bugs-return-43671-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 09:27:10 2018
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Subject: [Bug libc/23821] si_band in siginfo_t has wrong type long int on sparc64
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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>From glibc-bugs-return-43673-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 10:01:56 2018
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Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Thu, 25 Oct 2018 10:01:00 -0000
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |ia64
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>From glibc-bugs-return-43672-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 10:01:29 2018
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Subject: [Bug math/23822] New: ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Thu, 25 Oct 2018 10:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23822
Bug ID: 23822
Summary: ia64 static libm.a is missing exp2f, log2f and powf
symbols
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: nszabolcs at gmail dot com
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the following commits which introduced symbol versions
for exp2f, log2f and powf accidentally removed the
symbols in the !SHARED case on itanium:
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|riscv64-linux-gnu |
Host|riscv64-linux-gnu |riscv64-*-*
Build|riscv64-linux-gnu |
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>From glibc-bugs-return-43674-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 10:07:23 2018
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Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Thu, 25 Oct 2018 10:07:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|ia64 |
Host| |ia64-*-*
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>From glibc-bugs-return-43676-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 11:38:22 2018
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Subject: [Bug build/23824] New: libnsl.so not installed
Date: Thu, 25 Oct 2018 11:38:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23824
Bug ID: 23824
Summary: libnsl.so not installed
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: dilyan.palauzov at aegee dot org
CC: carlos at redhat dot com
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Atfer “make install DESTDIR=x†I have
find x -name 'librt*'
x/usr/lib64/librt.a
x/usr/lib64/librt.so
x/lib64/librt-2.28.so
x/lib64/librt.so.1
where x/usr/lib64/librt.so is a symlink to ../../lib64/librt.so.1
I have also for
find x -name 'libnsl*'
x/lib64/libnsl.so.1
x/lib64/libnsl-2.28.so
so there is no libnsl.so and scripts/test-installation.pl fails when DESDTIR is
missing.
There is also no libnsl.a, which is no concern for me.
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>From glibc-bugs-return-43677-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 11:46:34 2018
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Subject: [Bug build/23824] libnsl.so not installed
Date: Thu, 25 Oct 2018 11:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23824
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Did you build with --enable-obsolete-nsl? Thanks.
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>From glibc-bugs-return-43678-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 11:56:25 2018
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From: "dilyan.palauzov at aegee dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23824] libnsl.so not installed
Date: Thu, 25 Oct 2018 11:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23824
--- Comment #2 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
I used “ ../glibc-2.28/configure --prefix=/usr --enable-kernel=4.14.77
--with-headers=/usr/includeâ€, so no --enable-obsolete-nsl.
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>From glibc-bugs-return-43679-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 12:02:07 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23824] libnsl.so not installed
Date: Thu, 25 Oct 2018 12:02:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Okay, without --enable-obsolete-nsl, libnsl is not available for linking new
programs, so there is not .so symbolic link provided. Please retry with
--enable-obsolete-nsl and see if you get the symbolic link.
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>From glibc-bugs-return-43680-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 12:52:07 2018
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Subject: [Bug build/23824] libnsl.so not installed
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--- Comment #4 from dilyan.palauzov at aegee dot org <dilyan.palauzov at aegee dot org> ---
--enable-obsolete-nsl does install libnsl.so, but scripts/test-installations.pl
assumes libnsl.so is always installed.
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>From glibc-bugs-return-43683-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 14:35:56 2018
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From: "georgepee at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/20874] getaddrinfo_a segfault
Date: Thu, 25 Oct 2018 14:35:00 -0000
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George Pee <georgepee at gmail dot com> changed:
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CC| |georgepee at gmail dot com
--- Comment #8 from George Pee <georgepee at gmail dot com> ---
Running the example code with valgrind shows this:
Compiling the test app on my desktop and running valgrind points to the issue:
==14188== Thread 4:
==14188== Conditional jump or move depends on uninitialised value(s)
==14188== at 0x4E3B7EA: __gai_notify (gai_notify.c:108)
==14188== by 0x4E3B07B: handle_requests (gai_misc.c:328)
==14188== by 0x55DD6B9: start_thread (pthread_create.c:333)
==14188==
==14188== Use of uninitialised value of size 8
==14188== at 0x4E3B81C: __gai_notify (gai_notify.c:111)
==14188== by 0x4E3B07B: handle_requests (gai_misc.c:328)
==14188== by 0x55DD6B9: start_thread (pthread_create.c:333)
==14188==
==14188== Conditional jump or move depends on uninitialised value(s)
==14188== at 0x4E3B820: __gai_notify (gai_notify.c:111)
==14188== by 0x4E3B07B: handle_requests (gai_misc.c:328)
==14188== by 0x55DD6B9: start_thread (pthread_create.c:333)
==14188==
==14188== Use of uninitialised value of size 8
==14188== at 0x4E3B822: __gai_notify (gai_notify.c:111)
==14188== by 0x4E3B07B: handle_requests (gai_misc.c:328)
==14188== by 0x55DD6B9: start_thread (pthread_create.c:333)
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>From glibc-bugs-return-43684-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 14:37:32 2018
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From: "georgepee at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/20874] getaddrinfo_a segfault
Date: Thu, 25 Oct 2018 14:37:00 -0000
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--- Comment #9 from George Pee <georgepee at gmail dot com> ---
Created attachment 11365
--> https://sourceware.org/bugzilla/attachment.cgi?id=11365&action=edit
Patch for uninitialized pointers
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>From glibc-bugs-return-43685-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 15:27:13 2018
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Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Thu, 25 Oct 2018 15:27:00 -0000
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Szabolcs Nagy <nsz at gcc dot gnu.org> changed:
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Assignee|unassigned at sourceware dot org |nsz at gcc dot gnu.org
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>From glibc-bugs-return-43686-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 18:39:20 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/19702] Provide a flag indicating whether a thread is in a signal handler
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
What about adding a bridge function on all installed signal handlers that
set/reset a per thread flag?
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>From glibc-bugs-return-43687-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 20:41:00 2018
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From: "romain.geissler at amadeus dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23826] New: Stop xfailing elf/tst-protected1a and elf/tst-protected1b
Date: Thu, 25 Oct 2018 20:40:00 -0000
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Bug ID: 23826
Summary: Stop xfailing elf/tst-protected1a and
elf/tst-protected1b
Product: glibc
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Hi,
In elf/Makefile, we can read:
# These tests fail with GCC versions prior to 5.1 and with some versions
# of binutils. See https://sourceware.org/bugzilla/show_bug.cgi?id=17709
# and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65248 for details.
# Perhaps in future we can make these XFAILs conditional on some detection
# of compiler/linker behavior/version.
test-xfail-tst-protected1a = yes
test-xfail-tst-protected1b = yes
I think (but may be wrong) that right now we are in a state where these tests
are XPASSing for most of the people running the glibc test suite. Indeed most
non-entreprise Linux distros will use recent enough gcc/binutils version (for
example Debian known to be quite conservative meets requirement on the current
oldstable Jessie). Among popular distros, I expect that only the entreprise
ones like RHEL <= 7 and SLES <= 12 have these issues, but normally RHEL 8 is on
the way to be released and SLES 15 is there already.
So is it time to stop expected to fail ?
Note: I also understand that since numerous glibc contributors are actually
working in companies which might use RHEL or SLES (among them obviously Red Hat
and SuSE employees), so this might be rejected for now for that reason.
Cheers,
Romain
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>From glibc-bugs-return-43688-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 21:47:20 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23826] Stop xfailing elf/tst-protected1a and elf/tst-protected1b
Date: Thu, 25 Oct 2018 21:47:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
No, they only pass for a few architectures. See
<https://sourceware.org/glibc/wiki/PortStatus> for all those still needing
glibc (and possibly binutils and GCC) changes for that issue (aside from
the question of whether the whole idea behind those toolchain changes for
copy relocations for protected symbols was fundamentally ill-conceived,
see e.g. <https://sourceware.org/ml/binutils/2016-03/msg00409.html> and
thread).
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>From glibc-bugs-return-43689-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 25 22:51:35 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23826] Stop xfailing elf/tst-protected1a and elf/tst-protected1b
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Romain Geissler <romain.geissler at amadeus dot com> changed:
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--- Comment #2 from Romain Geissler <romain.geissler at amadeus dot com> ---
Fair enough (by the way interesting thread). Closing this bug report then.
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>From glibc-bugs-return-43690-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 26 03:43:43 2018
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Subject: [Bug libc/23828] New: The flag WRDE_REUSE of wordexp is ineffective as the Per-Thread Cache For malloc is enable by default
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https://sourceware.org/bugzilla/show_bug.cgi?id=23828
Bug ID: 23828
Summary: The flag WRDE_REUSE of wordexp is ineffective as the
Per-Thread Cache For malloc is enable by default
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: huanghong16 at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Description:
The wordexp's minimal implementation of WRDE_REUSE is freeing and allocating
the memory again, it will get a same chunk from fast bin.
The code fregment of wordexp:
if (flags & WRDE_REUSE)
{
/* Minimal implementation of WRDE_REUSE for now */
wordfree (pwordexp);
old_word.we_wordv = NULL;
}
if ((flags & WRDE_APPEND) == 0)
{
pwordexp->we_wordc = 0;
if (flags & WRDE_DOOFFS)
{
pwordexp->we_wordv = calloc (1 + pwordexp->we_offs, sizeof (char *));
if (pwordexp->we_wordv == NULL)
{
error = WRDE_NOSPACE;
goto do_error;
}
}
else
{
pwordexp->we_wordv = calloc (1, sizeof (char *));
if (pwordexp->we_wordv == NULL)
{
error = WRDE_NOSPACE;
goto do_error;
}
pwordexp->we_offs = 0;
}
}
As a per-thread cache to malloc is enable by default from glibc 2.26, the chunk
will be stored in the TCACHE when free it, and you can get the chunk from
TCACHE when call the "malloc" next time.
The code fregment of malloc:
#if USE_TCACHE
/* int_free also calls request2size, be careful to not pad twice. */
size_t tbytes;
checked_request2size (bytes, tbytes);
size_t tc_idx = csize2tidx (tbytes);
MAYBE_INIT_TCACHE ();
DIAG_PUSH_NEEDS_COMMENT;
if (tc_idx < mp_.tcache_bins
/*&& tc_idx < TCACHE_MAX_BINS*/ /* to appease gcc */
&& tcache
&& tcache->entries[tc_idx] != NULL)
{
return tcache_get (tc_idx);
}
DIAG_POP_NEEDS_COMMENT;
#endif
However, it seems that calloc doesn't obtain the chunk from TCACHE, so when you
call the "calloc", it maybe always get a new chunk from top bin.
I have wrote a test case for wordexp with the flag WRDE_REUSE like this:
#include <stdio.h>
#include <wordexp.h>
int main() {
int ret;
char *p1, *p2;
wordexp_t p;
ret = wordexp("123 321", &p, 0);
if (0 != ret)
{
printf("fail\n");
return -1;
}
p1 = (char *)p.we_wordv;
ret = wordexp("abc xyz", &p, WRDE_REUSE);
if (0 != ret)
{
printf("fail\n");
return -1;
}
p2 = (char *)p.we_wordv;
if (p1 != p2)
{
printf("fail\n");
return -1;
}
printf("pass\n");
return 0;
}
It always fail with glibc 2.27.
There 2 solutation to fix this problem:
1. Replacing the "calloc" to "malloc" in "wordexp".
2. Obtaining chunk from TCACHE first in "calloc".
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23828] The flag WRDE_REUSE of wordexp is ineffective as the Per-Thread Cache For malloc is enable by default
Date: Fri, 26 Oct 2018 07:18:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to hwanghom from comment #0)
> The wordexp's minimal implementation of WRDE_REUSE is freeing and allocating
> the memory again, it will get a same chunk from fast bin.
Would you please explain why you think this is a problem? Thanks.
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>From glibc-bugs-return-43692-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 26 08:06:17 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23821] si_band in siginfo_t has wrong type long int on sparc64
Date: Fri, 26 Oct 2018 08:06:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|sparc64 |sparcv9, sparc64
Status|ASSIGNED |RESOLVED
Version|2.28 |2.29
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I installed the following commits:
commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd (master)
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Oct 25 11:43:57 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
commit aff9b377121f9cfabe5d45f3226acf99c73928a7 (release/2.28/master)
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
commit 1759ea197bf38f0b87c5d059bc64944fefa96c2c (release/2.27/master)
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:25:48 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
For glibc 2.26, the conform tests are still globally XFAIL'd, so I did not
backport anything there.
Of course, this does not address the type mismatch. Given this concerns an
obsolete STREAMS feature and siginfo_t is very hard to rewrite, changing the
exposed type from int to long int on sparc64 appears to be wasted effort.
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From: "huanghong16 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23828] The flag WRDE_REUSE of wordexp is ineffective as the Per-Thread Cache For malloc is enable by default
Date: Fri, 26 Oct 2018 09:19:00 -0000
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--- Comment #2 from hwanghom <huanghong16 at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> (In reply to hwanghom from comment #0)
> > The wordexp's minimal implementation of WRDE_REUSE is freeing and allocating
> > the memory again, it will get a same chunk from fast bin.
>
> Would you please explain why you think this is a problem? Thanks.
Sorry, this description is truly not clear.
The description above is just for introducing the implementation of WDRE_REUSE
for wordexp, that's no problem.
The problem I want report is that in the new glibc (2.26 and 2.27, they both
enable the per-thread cache of malloc by default), when the "wordexp" freeing
and allocating the memory again, it doesn't get the chunk form fast bin, but
get a new chunk from top chunk, so it actually do not reuse the buffer that
allocated at last time.
As Per-Thread Cache is enabled, the chunk that freed will be just restored in
to the TCACHE, but it seems that the "calloc" doesn't use the TCACHE, it just
get a new chunk when allacting. And the "wordexp" is using "calloc", it cause
this problem.
Thanks.
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Subject: [Bug libc/23828] The flag WRDE_REUSE of wordexp is ineffective as the Per-Thread Cache For malloc is enable by default
Date: Fri, 26 Oct 2018 09:27:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |dj at redhat dot com
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to hwanghom from comment #2)
> As Per-Thread Cache is enabled, the chunk that freed will be just restored
> in to the TCACHE, but it seems that the "calloc" doesn't use the TCACHE, it
> just get a new chunk when allacting. And the "wordexp" is using "calloc", it
> cause this problem.
I see. DJ, could you please have a look at this? Thanks.
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Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
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https://sourceware.org/bugzilla/show_bug.cgi?id=23822
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba5b14c7613980dfefcad6b6e88f913e5f596c59
commit ba5b14c7613980dfefcad6b6e88f913e5f596c59
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/ia64/fpu/e_exp2f.S | 6 +++---
sysdeps/ia64/fpu/e_log2f.S | 6 +++---
sysdeps/ia64/fpu/e_powf.S | 6 +++---
4 files changed, 16 insertions(+), 9 deletions(-)
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From: "rbuj at fedoraproject dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Fri, 26 Oct 2018 15:15:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23791
--- Comment #12 from Robert Buj <rbuj at fedoraproject dot org> ---
Hi Sergi,
By default, grouping is disabled in locale.currency(val, symbol=True,
grouping=False, international=False)
https://docs.python.org/3/library/locale.html#locale.currency
Current result:
>>> import locale
>>> locale.setlocale(locale.LC_ALL, 'ca_ES.UTF-8')
'ca_ES.UTF-8'
>>> locale.currency(-1234.5, grouping=True)
'-€ 1.234,50'
>>> locale.currency(-1234.5, grouping=True, international=True)
'-EUR 1.234,50'
>>> locale.setlocale(locale.LC_ALL, 'ca_ES.UTF-8')
'ca_ES.UTF-8'
>>> locale.currency(-1234.5, grouping=True)
'€ 1.234,50'
>>> locale.currency(-1234.5, grouping=True, international=True)
'EUR 1.234,50'
Expected result:
>>> import locale
>>> locale.setlocale(locale.LC_ALL, 'ca_ES.UTF-8')
'ca_ES.UTF-8'
>>> locale.currency(-1234.5, grouping=True)
'-1.234,50 €'
>>> locale.currency(-1234.5, grouping=True, international=True)
'-1.234,50 EUR'
>>> locale.currency(1234.5, grouping=True)
'1.234,50 €'
>>> locale.currency(-1234.5, grouping=True, international=True)
'1.234,50 EUR'
The currency symbol succeeds the value. I agree with this:
p_cs_precedes 0 <<-- replace 1 with 0
n_cs_precedes 0 <<-- replace 1 with 0
You should also remove blank space in int_curr_symbol:
int_curr_symbol "EUR" <<-- replace "EUR " with "EUR"
You don't need to escape for the currency_symbol:
currency_symbol "€" <<-- replace "<U20AC>" with "€"
LC_NUMERIC is not used for LC_MONETARY, but you can keep this change for
numeric formatting.
grouping 3;3 <<-- replace 0;0 with 3;3
Regards,
Robert
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From: "rbuj at fedoraproject dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
Date: Fri, 26 Oct 2018 15:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23791
--- Comment #13 from Robert Buj <rbuj at fedoraproject dot org> ---
Fix negative values in previous message (Ctrl-C/Ctrl-C)
Current result:
>>> import locale
>>> locale.setlocale(locale.LC_ALL, 'ca_ES.UTF-8')
'ca_ES.UTF-8'
>>> locale.currency(-1234.5, grouping=True)
'-€ 1.234,50'
>>> locale.currency(-1234.5, grouping=True, international=True)
'-EUR 1.234,50'
>>> locale.setlocale(locale.LC_ALL, 'ca_ES.UTF-8')
'ca_ES.UTF-8'
>>> locale.currency(1234.5, grouping=True)
'€ 1.234,50'
>>> locale.currency(1234.5, grouping=True, international=True)
'EUR 1.234,50'
Expected result:
>>> import locale
>>> locale.setlocale(locale.LC_ALL, 'ca_ES.UTF-8')
'ca_ES.UTF-8'
>>> locale.currency(-1234.5, grouping=True)
'-1.234,50 €'
>>> locale.currency(-1234.5, grouping=True, international=True)
'-1.234,50 EUR'
>>> locale.currency(1234.5, grouping=True)
'1.234,50 €'
>>> locale.currency(1234.5, grouping=True, international=True)
'1.234,50 EUR'
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23562] Wrong type for si_band in Linux-specific siginfo_t
Date: Fri, 26 Oct 2018 15:50:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23606] Missing ENDBR32 in sysdeps/i386/start.S
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23606
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23275] Race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23275
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been created
at 5256ffc51e4188a70fa0173cb6b6c94adde03fcb (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23717] glibc: stdlib/tst-setcontext9 test suite failure on powerpc64le
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23717
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23716] _dl_runtime_resolve_shstk isn't selected properly
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23716
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23679] gethostid: Missing NULL check for gethostbyname_r result
Date: Fri, 26 Oct 2018 15:50:00 -0000
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X-Bugzilla-Version: 2.28
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https://sourceware.org/bugzilla/show_bug.cgi?id=23679
--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23538] Hang in pthread_cond_broadcast
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23579] Errors misreported in preadv2
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23579
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been created
at 5256ffc51e4188a70fa0173cb6b6c94adde03fcb (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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To: glibc-bugs@sourceware.org
Subject: [Bug regex/23578] Invalid memory access if regex pattern contains NUL byte
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23578
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Fri, 26 Oct 2018 15:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23822
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, release/2.28/master has been created
at 5256ffc51e4188a70fa0173cb6b6c94adde03fcb (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/20209] Spelling mistake for Sunday in Greenlandic kl_GL
Date: Fri, 26 Oct 2018 15:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=20209
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5256ffc51e4188a70fa0173cb6b6c94adde03fcb
commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Fri, 26 Oct 2018 15:51:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 5cd5309d910b0fcdeb5d7e734afb535d0231ba2c
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
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Subject: [Bug string/23637] Generic strstr/strcasestr fails with huge needles
Date: Fri, 26 Oct 2018 15:51:00 -0000
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commit 5256ffc51e4188a70fa0173cb6b6c94adde03fcb
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 26 14:39:42 2018 +0100
i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
When new symbol versions were introduced without SVID compatible
error handling the exp2f, log2f and powf symbols were accidentally
removed from the ia64 lim.a. The regression was introduced by
the commits
f5f0f5265162fe6f4f238abcd3086985f7c38d6d
New expf and exp2f version without SVID compat wrapper
72d3d281080be9f674982067d72874fd6cdb4b64
New symbol version for logf, log2f and powf without SVID compat
With WEAK_LIBM_ENTRY(foo), there is a hidden __foo and weak foo
symbol definition in both SHARED and !SHARED build.
[BZ #23822]
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Use WEAK_LIBM_ENTRY.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (powf): Likewise.
(cherry picked from commit ba5b14c7613980dfefcad6b6e88f913e5f596c59)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aff9b377121f9cfabe5d45f3226acf99c73928a7
commit aff9b377121f9cfabe5d45f3226acf99c73928a7
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 26 09:19:40 2018 +0200
conform: XFAIL siginfo_t si_band test on sparc64
We can use long int on sparcv9, but on sparc64, we must match the int
type used by the kernel (and not long int, as in POSIX).
(cherry picked from commit 7c5e34d7f1b8f8f5acd94c2b885ae13b85414dcd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69d1e73d99c6ad3f65fc16b6325d6ae289950d03
commit 69d1e73d99c6ad3f65fc16b6325d6ae289950d03
Author: Ilya Yu. Malakhov <malakhov@mcst.ru>
Date: Mon Oct 22 13:03:57 2018 +0200
signal: Use correct type for si_band in siginfo_t [BZ #23562]
(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=314e181dc90cb290942d8b2b57823306ae956696
commit 314e181dc90cb290942d8b2b57823306ae956696
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Wed Oct 17 12:23:04 2018 +0200
Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP
[BZ #23275]
The race leads either to pthread_mutex_destroy returning EBUSY
or triggering an assertion (See description in bugzilla).
This patch is fixing the race by ensuring that the elision path is
used in all cases if elision is enabled by the GLIBC_TUNABLES framework.
The __kind variable in struct __pthread_mutex_s is accessed concurrently.
Therefore we are now using the atomic macros.
The new testcase tst-mutex10 is triggering the race on s390x and intel.
Presumably also on power, but I don't have access to a power machine
with lock-elision. At least the code for power is the same as on the other
two architectures.
ChangeLog:
[BZ #23275]
* nptl/tst-mutex10.c: New File.
* nptl/Makefile (tests): Add tst-mutex10.
(tst-mutex10-ENV): New variable.
* sysdeps/unix/sysv/linux/s390/force-elision.h: (FORCE_ELISION):
Ensure that elision path is used if elision is available.
* sysdeps/unix/sysv/linux/powerpc/force-elision.h (FORCE_ELISION):
Likewise.
* sysdeps/unix/sysv/linux/x86/force-elision.h: (FORCE_ELISION):
Likewise.
* nptl/pthreadP.h (PTHREAD_MUTEX_TYPE, PTHREAD_MUTEX_TYPE_ELISION)
(PTHREAD_MUTEX_PSHARED): Use atomic_load_relaxed.
* nptl/pthread_mutex_consistent.c (pthread_mutex_consistent): Likewise.
* nptl/pthread_mutex_getprioceiling.c (pthread_mutex_getprioceiling):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock_full)
(__pthread_mutex_cond_lock_adjust): Likewise.
* nptl/pthread_mutex_setprioceiling.c (pthread_mutex_setprioceiling):
Likewise.
* nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Likewise.
* nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h (struct __pthread_mutex_s):
Add comments.
* nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy):
Use atomic_load_relaxed and atomic_store_relaxed.
* nptl/pthread_mutex_init.c (__pthread_mutex_init):
Use atomic_store_relaxed.
(cherry picked from commit 403b4feb22dcbc85ace72a361d2a951380372471)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a74abda201907cafbdabd1debf98890313ff71e
commit 5a74abda201907cafbdabd1debf98890313ff71e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 28 13:31:19 2018 -0700
i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
When elf_machine_runtime_setup is called to set up resolver, it should
use _dl_runtime_resolve_shstk or _dl_runtime_profile_shstk if SHSTK is
enabled by kernel.
Tested on i686 with and without --enable-cet as well as on CET emulator
with --enable-cet.
[BZ #23716]
* sysdeps/i386/dl-cet.c: Removed.
* sysdeps/i386/dl-machine.h (_dl_runtime_resolve_shstk): New
prototype.
(_dl_runtime_profile_shstk): Likewise.
(elf_machine_runtime_setup): Use _dl_runtime_profile_shstk or
_dl_runtime_resolve_shstk if SHSTK is enabled by kernel.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 7b1f9406761331cf35fe521fbdb592beecf68a2c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5473739a7b44f27965b70d1acf480f5f72603e78
commit 5473739a7b44f27965b70d1acf480f5f72603e78
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 2 23:34:18 2018 +0200
kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).
Although CLDR says otherwise, it is confirmed by Oqaasileriffik, the
official Greenlandic language regulator, that this change is correct.
[BZ #20209]
* localedata/locales/kl_GL: (abday): Fix spelling of Sun (Sunday),
should be "sap" rather than "sab".
(day): Fix spelling of Sunday, should be "sapaat" rather than
"sabaat".
(cherry picked from commit dae3ed958c3d0090838e49ff4f78c201262b1cf0)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=044c96f0d5595aeb0bb4e79355081c5a7f4faca5
commit 044c96f0d5595aeb0bb4e79355081c5a7f4faca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Aug 29 16:36:44 2018 -0300
Fix misreported errno on preadv2/pwritev2 (BZ#23579)
The fallback code of Linux wrapper for preadv2/pwritev2 executes
regardless of the errno code for preadv2, instead of the case where
the syscall is not supported.
This fixes it by calling the fallback code iff errno is ENOSYS. The
patch also adds tests for both invalid file descriptor and invalid
iov_len and vector count.
The only discrepancy between preadv2 and fallback code regarding
error reporting is when an invalid flags are used. The fallback code
bails out earlier with ENOTSUP instead of EINVAL/EBADF when the syscall
is used.
Checked on x86_64-linux-gnu on a 4.4.0 and 4.15.0 kernel.
[BZ #23579]
* misc/tst-preadvwritev2-common.c (do_test_with_invalid_fd): New
test.
* misc/tst-preadvwritev2.c, misc/tst-preadvwritev64v2.c (do_test):
Call do_test_with_invalid_fd.
* sysdeps/unix/sysv/linux/preadv2.c (preadv2): Use fallback code iff
errno is ENOSYS.
* sysdeps/unix/sysv/linux/preadv64v2.c (preadv64v2): Likewise.
* sysdeps/unix/sysv/linux/pwritev2.c (pwritev2): Likewise.
* sysdeps/unix/sysv/linux/pwritev64v2.c (pwritev64v2): Likewise.
(cherry picked from commit 7a16bdbb9ff4122af0a28dc20996c95352011fdd)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a67c72c1512f778304a5644dea2fcf5bdece274
commit 3a67c72c1512f778304a5644dea2fcf5bdece274
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Sep 27 12:37:06 2018 +0200
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
(cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2339d6a55eb7a7e040ae888e906adc49eeb59eab
commit 2339d6a55eb7a7e040ae888e906adc49eeb59eab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 12 08:40:59 2018 -0700
i386: Use ENTRY and END in start.S [BZ #23606]
Wrapping the _start function with ENTRY and END to insert ENDBR32 at
function entry when CET is enabled. Since _start now includes CFI,
without "cfi_undefined (eip)", unwinder may not terminate at _start
and we will get
Program received signal SIGSEGV, Segmentation fault.
0xf7dc661e in ?? () from /lib/libgcc_s.so.1
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-8.2.1-3.0.fc28.i686
(gdb) bt
#0 0xf7dc661e in ?? () from /lib/libgcc_s.so.1
#1 0xf7dc7c18 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2 0xf7f0d809 in __GI___backtrace (array=array@entry=0xffffc7d0,
size=size@entry=20) at ../sysdeps/i386/backtrace.c:127
#3 0x08049254 in compare (p1=p1@entry=0xffffcad0, p2=p2@entry=0xffffcad4)
at backtrace-tst.c:12
#4 0xf7e2a28c in msort_with_tmp (p=p@entry=0xffffca5c,
b=b@entry=0xffffcad0,
n=n@entry=2) at msort.c:65
#5 0xf7e29f64 in msort_with_tmp (n=2, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#6 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=5)
at msort.c:53
#7 0xf7e29f64 in msort_with_tmp (n=5, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#8 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=10)
at msort.c:53
#9 0xf7e29f64 in msort_with_tmp (n=10, b=0xffffcad0, p=0xffffca5c)
at msort.c:53
#10 msort_with_tmp (p=p@entry=0xffffca5c, b=b@entry=0xffffcad0,
n=n@entry=20)
at msort.c:53
#11 0xf7e2a5b6 in msort_with_tmp (n=20, b=0xffffcad0, p=0xffffca5c)
at msort.c:297
#12 __GI___qsort_r (b=b@entry=0xffffcad0, n=n@entry=20, s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>, arg=arg@entry=0x0) at msort.c:297
#13 0xf7e2a84d in __GI_qsort (b=b@entry=0xffffcad0, n=n@entry=20,
s=s@entry=4,
cmp=cmp@entry=0x8049230 <compare>) at msort.c:308
#14 0x080490f6 in main (argc=2, argv=0xffffcbd4) at backtrace-tst.c:39
FAIL: debug/backtrace-tst
[BZ #23606]
* sysdeps/i386/start.S: Include <sysdep.h>
(_start): Use ENTRY/END to insert ENDBR32 at entry when CET is
enabled. Add cfi_undefined (eip).
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit 5a274db4ea363d6b0b92933f085a92daaf1be2f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ef2f4400c06927af34c515555f68840a70ba409
commit 0ef2f4400c06927af34c515555f68840a70ba409
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Wed Sep 19 16:50:18 2018 +0100
Fix strstr bug with huge needles (bug 23637)
The generic strstr in GLIBC 2.28 fails to match huge needles. The
optimized
AVAILABLE macro reads ahead a large fixed amount to reduce the overhead of
repeatedly checking for the end of the string. However if the needle
length
is larger than this, two_way_long_needle may confuse this as meaning the
end
of the string and return NULL. This is fixed by adding the needle length
to
the amount to read ahead.
[BZ #23637]
* string/test-strstr.c (pr23637): New function.
(test_main): Add tests with longer needles.
* string/strcasestr.c (AVAILABLE): Fix readahead distance.
* string/strstr.c (AVAILABLE): Likewise.
(cherry picked from commit 83a552b0bb9fc2a5e80a0ab3723c0a80ce1db9f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a55e109709af55e6ed67d3f9536cac5d929c982e
commit a55e109709af55e6ed67d3f9536cac5d929c982e
Author: Carlos O'Donell <carlos@redhat.com>
Date: Wed Sep 5 01:16:42 2018 -0400
Fix tst-setcontext9 for optimized small stacks.
If the compiler reduces the stack usage in function f1 before calling
into function f2, then when we swapcontext back to f1 and continue
execution we may overwrite registers that were spilled to the stack
while f2 was executing. Later when we return to f2 the corrupt
registers will be reloaded from the stack and the test will crash. This
was most commonly observed on i686 with __x86.get_pc_thunk.dx and
needing to save and restore $edx. Overall i686 has few registers and
the spilling to the stack is bound to happen, therefore the solution to
making this test robust is to split function f1 into two parts f1a and
f1b, and allocate f1b it's own stack such that subsequent execution does
not overwrite the stack in use by function f2.
Tested on i686 and x86_64.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 791b350dc725545e3f9b5db0f97ebdbc60c9735f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=307d04334d516bb180f484a2b283f97310bfee66
commit 307d04334d516bb180f484a2b283f97310bfee66
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Sep 20 12:03:01 2018 +0200
misc: New test misc/tst-gethostid
The empty /etc/hosts file used to trigger bug 23679.
(cherry picked from commit db9a8ad4ff3fc58e3773a9a4d0cabe3c1bc9c94c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e7d22db29cfdd2f1fb97a70a76fa53d151569945
commit e7d22db29cfdd2f1fb97a70a76fa53d151569945
Author: Mingli Yu <Mingli.Yu@windriver.com>
Date: Thu Sep 20 12:41:13 2018 +0200
Linux gethostid: Check for NULL value from gethostbyname_r [BZ #23679]
A NULL value can happen with certain gethostbyname_r failures.
(cherry picked from commit 1214ba06e6771acb953a190091b0f6055c64fd25)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
commit 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc
Author: Stefan Liebler <stli@linux.ibm.com>
Date: Thu Sep 6 14:27:03 2018 +0200
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900,
the testcase posix/tst-spawn4-compat crashes with a segfault.
In function maybe_script_execute, the new_argv array is dynamically
initialized on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument
and writes out of bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count
the terminating NULL when sizing new_argv.
ChangeLog:
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
(cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b79004569e5ce1669136b8c41564c3809730f15
commit 0b79004569e5ce1669136b8c41564c3809730f15
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 12:57:46 2018 +0200
regex: Add test tst-regcomp-truncated [BZ #23578]
(cherry picked from commit 761404b74d9853ce1608195e24f25b78a910591a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58559f14437d2aa71753a29fed435efa06aa4576
commit 58559f14437d2aa71753a29fed435efa06aa4576
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Aug 28 21:54:28 2018 +0200
regex: fix uninitialized memory access
I introduced this bug into gnulib in commit
8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17 dated 2006-04-10;
eventually it was merged into glibc. The bug was found by
project-repo <bugs@feusi.co> and reported here:
https://lists.gnu.org/r/sed-devel/2018-08/msg00017.html
Diagnosis and draft fix reported by Assaf Gordon here:
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00071.html
https://lists.gnu.org/r/bug-gnulib/2018-08/msg00142.html
* posix/regex_internal.c (build_wcs_upper_buffer):
Fix bug when mbrtowc returns 0.
(cherry picked from commit bc680b336971305cb39896b30d72dc7101b62242)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
commit aa8a3e4cdef20c50cb20f008864fff05cbfbdf29
Author: Martin Kuchta <martin.kuchta@netapp.com>
Date: Mon Aug 27 18:54:46 2018 +0200
pthread_cond_broadcast: Fix waiters-after-spinning case [BZ #23538]
(cherry picked from commit 99ea93ca31795469d2a1f1570f17a5c39c2eb7e2)
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
Date: Fri, 26 Oct 2018 15:51:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
5cd5309d910b0fcdeb5d7e734afb535d0231ba2c i64: fix missing exp2f, log2f and powf
symbols in libm.a [BZ #23822]
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From: "sourceware.org at troep dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23831] New: nl_NL missing LC_NUMERIC thousands_sep
Date: Fri, 26 Oct 2018 16:11:00 -0000
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Bug ID: 23831
Summary: nl_NL missing LC_NUMERIC thousands_sep
Product: glibc
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Currently the thousands_sep is empty "" this should be changed to "."
I've compiled a small list of sources:
- https://onzetaal.nl/taaladvies/getallen-in-letters-of-cijfers/
- https://onzetaal.nl/taaladvies/getallen-uitschrijven
- https://taaladvies.net/taal/advies/vraag/1
- https://www.taaltelefoon.be/getallen-komma-punt-spatie
- https://en.wikipedia.org/wiki/Decimal_separator#Examples_of_use ->
Netherlands (most common)
- https://www.google.nl/search?q=test (3.180.000.000 resultaten)
- https://www.bing.com/search?q=test&setlang=nl-nl (30.100.000 Resultaten)
- Microsoft Windows also uses . as the default thousands separator.
- All our close neighbours use . (eg: nl_BE fr_BE de_DE da_DK)
Weird why no one bothered to file a bug for the last 22 year:
https://github.com/bminor/glibc/blame/master/localedata/locales/nl_NL#L93
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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--- Comment #14 from Robert Buj <rbuj at fedoraproject dot org> ---
——————————————————————————
Issue
——————————————————————————
The currency symbol succeeds the value in Catalan.
[robert@localhost ~]$ uname -a
Linux localhost.localdomain 4.18.16-200.fc28.x86_64 #1 SMP Sat Oct 20 23:53:47
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[robert@localhost ~]$ LANG=C dnf info glibc
Name : glibc
Version : 2.27
Release : 33.fc28
Arch : x86_64
Size : 13 M
Source : glibc-2.27-33.fc28.src.rpm
...
——————————————————————————
Test code
——————————————————————————
[robert@localhost ~]$ cat test.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <monetary.h>
#include <locale.h>
int main () {
struct lconv * lc;
char string[100];
double money = -1234.56;
if (setlocale(LC_ALL, "ca_ES.UTF-8") == NULL) {
printf("Unable to setlocale().\n");
exit(1);
}
lc = localeconv();
printf("Currency symbol: [%s]\n",lc->currency_symbol);
printf("International currency symbol: [%s]\n",lc->int_curr_symbol);
printf("Currency decimal point: [%s]\n",lc->mon_decimal_point);
printf("Currency thousands sep: [%s]\n",lc->mon_thousands_sep);
printf("Positie currency symbol precedes?: [%d]\n",lc->p_cs_precedes);
printf("Negative currency symbol precedes?: [%d]\n",lc->n_cs_precedes);
strfmon(string, 100, "%i", fabs(money)); /* 1.234,56 EUR */
printf("[%s]\n", string);
strfmon(string, 100, "%n", fabs(money)); /* 1.234.56 € */
printf("[%s]\n", string);
strfmon(string, 100, "%i", money); /* -1.234,56 EUR */
printf("[%s]\n", string);
strfmon(string, 100, "%n", money); /* -1.234.56 € */
printf("[%s]\n", string);
return 0;
}
——————————————————————————
Current result
——————————————————————————
[robert@localhost ~]$ ./test
Currency symbol: [€]
International currency symbol: [EUR ]
Currency decimal point: [,]
Currency thousands sep: [.]
Positie currency symbol precedes?: [1]
Negative currency symbol precedes?: [1]
[EUR 1.234,56]
[€ 1.234,56]
[-EUR 1.234,56]
[-€ 1.234,56]
——————————————————————————
Expected result
——————————————————————————
[robert@localhost ~]$ ./test
Currency symbol: [€]
International currency symbol: [EUR ]
Currency decimal point: [,]
Currency thousands sep: [.]
Positie currency symbol precedes?: [0]
Negative currency symbol precedes?: [0]
[1.234,56 EUR]
[1.234,56 €]
[-1.234,56 EUR]
[-1.234,56 €]
——————————————————————————
Patch
——————————————————————————
[robert@localhost f28]$ cat my.patch
diff -urN glibc-2.27-78-g2b47bb9cba/localedata/locales/ca_ES
glibc-2.27-78-g2b47bb9cba-p/localedata/locales/ca_ES
--- glibc-2.27-78-g2b47bb9cba/localedata/locales/ca_ES 2018-10-26
21:21:37.670258359 +0200
+++ glibc-2.27-78-g2b47bb9cba-p/localedata/locales/ca_ES 2018-10-26
21:20:12.166974111 +0200
@@ -69,7 +69,7 @@
LC_MONETARY
int_curr_symbol "EUR "
-currency_symbol "<U20AC>"
+currency_symbol "€"
mon_decimal_point ","
mon_thousands_sep "."
mon_grouping 3;3
@@ -77,9 +77,9 @@
negative_sign "-"
int_frac_digits 2
frac_digits 2
-p_cs_precedes 1
+p_cs_precedes 0
p_sep_by_space 1
-n_cs_precedes 1
+n_cs_precedes 0
n_sep_by_space 1
p_sign_posn 1
n_sign_posn 1
——————————————————————————
Note
——————————————————————————
int_curr_symbol: The fourth character is the character used to separate the
international currency symbol from the monetary quantity.
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Subject: [Bug libc/23828] The flag WRDE_REUSE of wordexp is ineffective as the Per-Thread Cache For malloc is enable by default
Date: Fri, 26 Oct 2018 22:58:00 -0000
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To: glibc-bugs@sourceware.org
Subject: [Bug time/23836] New: time/tst-mktime2 test failure on Arm (32-bit)
Date: Sat, 27 Oct 2018 10:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23836
Bug ID: 23836
Summary: time/tst-mktime2 test failure on Arm (32-bit)
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: time
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Host: armv7hl-redhat-linux-gnueabi
Flags: security-
On Fedora armhfp (armv7hl-redhat-linux-gnueabi), time/tst-mktime2 fails like
this:
info: setting TZ=America/Sao_Paulo
tst-mktime2.c:87: numeric comparison failure
left: -1 (0xffffffff); from: mktime (lt)
right: 2147483647 (0x7fffffff); from: now
tst-mktime2.c:87: numeric comparison failure
left: -1 (0xffffffff); from: mktime (lt)
right: -2147483648 (0x80000000); from: now
tst-mktime2.c:87: numeric comparison failure
left: -1 (0xffffffff); from: mktime (lt)
right: 2147483646 (0x7ffffffe); from: now
tst-mktime2.c:87: numeric comparison failure
left: -1 (0xffffffff); from: mktime (lt)
right: -2147483647 (0x80000001); from: now
info: setting TZ=GMT0
info: setting TZ=JST-9
info: setting TZ=EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00
info: setting TZ=PST8PDT,M4.1.0,M10.5.0
error: 4 test failures
This started after this commit:
commit 8e6fd2bdb21efe2cc1ae7571ff8fb2599db6a05a
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 19 13:16:14 2018 -0700
Merge mktime, timegm from upstream Gnulib
We do not see this failure on other architectures.
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Subject: [Bug time/23836] time/tst-mktime2 test failure on Arm (32-bit)
Date: Sat, 27 Oct 2018 11:47:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
<https://build.opensuse.org/package/live_build_log/home:Andreas_Schwab:glibc/glibc:testsuite/a/armv7l>
doesn't have that failure.
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Subject: [Bug time/23836] time/tst-mktime2 test failure on Arm (32-bit)
Date: Sat, 27 Oct 2018 14:46:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #1)
> <https://build.opensuse.org/package/live_build_log/home:Andreas_Schwab:glibc/
> glibc:testsuite/a/armv7l> doesn't have that failure.
What's your GCC version? We saw the failure when using GCC 8.2, configured
with:
--with-tune=generic-armv7-a --with-arch=armv7-a \
--with-float=hard --with-fpu=vfpv3-d16 --with-abi=aapcs-linux \
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Subject: [Bug time/23789] mktime does not set errno on failure
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, aaribaud/bugzilla/23789/v2 has been created
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=821e26d45f35922dd00e8fc604ef3fe9f3a654ab
commit 821e26d45f35922dd00e8fc604ef3fe9f3a654ab
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Oct 24 14:43:06 2018 +0200
Ensure mktime sets errno on error (bug 23789)
Posix mandates that mktime set errno to EOVERFLOW
on error, that it, upon retuning -1, but the glibc
mktime does not so far on 32-bit architectures.
Fix this and add a test to prevent regressions.
The test was run through 'make check' on i686-linux-gnu,
then the fix was added and 'make check' run again.
* time/mktime.c
(mktime): Set errno to EOVERFLOW on error.
* time/bug-mktime4.c: New file.
* time/Makefile: Add bug-mktime4.
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Subject: [Bug time/23789] mktime does not set errno on failure
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23789)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91ac988a6b8662cd1e13770cdc550c2609c42178
commit 91ac988a6b8662cd1e13770cdc550c2609c42178
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Oct 24 14:43:06 2018 +0200
Ensure mktime sets errno on error (bug 23789)
Posix mandates that mktime set errno to EOVERFLOW
on error, that it, upon retuning -1, but the glibc
mktime does not so far on 32-bit architectures.
Fix this and add a test to prevent regressions.
The test was run through 'make check' on i686-linux-gnu,
then the fix was added and 'make check' run again.
* time/mktime.c
(mktime): Set errno to EOVERFLOW on error.
* time/bug-mktime4.c: New file.
* time/Makefile: Add bug-mktime4.
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>From glibc-bugs-return-43723-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 27 18:46:47 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23836] time/tst-mktime2 test failure on Arm (32-bit)
Date: Sat, 27 Oct 2018 18:46:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
gcc8-8.2.1+r264010-1.1
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>From glibc-bugs-return-43724-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 28 10:55:34 2018
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From: "tamuki at linet dot gr.jp" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23758] Improve the width of alternate representation for year in strftime
Date: Sun, 28 Oct 2018 10:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23758
--- Comment #2 from TAMUKI Shoichi <tamuki at linet dot gr.jp> ---
The previous patch adds a way to override the padding, when %EY is
exanded using locale data, rewriting the %Ey contained in the format
string. That needs for new memory allocations. So, I revised the
patch to be handled by not rewriting the format string.
Along with this, the modified description is shown below:
----------------------------------------------------------------------
The Japanese era name is scheduled to be changed on May 1, 2019.
Prior to this, improve the width of alternate representation for year
in strftime to prevent the trouble to be mentioned below we saw in the
past from becoming obvious again from the year after the era name
changes onward.
In one-digit of the Japanese era year such as Heisei year 2 (1990),
the conversion specifiers %Ex, %Ec to be included in the format
specification of strftime, are currently converted as follows.
However, since the width of alternate representation for year of the
output string is different from the others, there was a sense of
incompatibility.
"%Ex" : "å¹³æˆ2å¹´08月04æ—¥"
"%Ec" : "å¹³æˆ2å¹´08月04æ—¥ 08時06分02秒"
These conversion specifiers are implemented by combining multiple
conversion specifiers. In ja_JP locale for example, the combinations
of conversion specifiers are defined as follows.
"%Ex" : "%EY%m月%d日" (era_d_fmt)
"%Ec" : "%EY%m月%d日 %H時%M分%S秒" (era_d_t_fmt)
"%EY" : "%EC元年" | "%EC%Ey年" (era_format)
"%EC" : "å¹³æˆ" | "æ˜å’Œ" | "大æ£" | "明治" (era_name)
Currently, the width of the output string of the numeric value of
conversion specifier %Ey is not padded. By changing the width padding
with zero to 2, the conversion specifier %EY is converted as follows,
and then the expected results are also obtained for the conversion
specifiers %Ex, %Ec.
"%EY" : "å¹³æˆ2å¹´" -> "å¹³æˆ02å¹´"
"%Ex" : "å¹³æˆ02å¹´08月04æ—¥"
"%Ec" : "å¹³æˆ02å¹´08月04æ—¥ 08時06分02秒"
Since only one Japanese era name is used by each emperor's reign, it
is rare that the year ends in one digit or lasts more than three
digits. In addition, the width of month, day, hour, minute, and
second is 2, so adjust the width of year the same as them, and then
the whole display balance is improved. Therefore, it would be
reasonable to change the width padding with zero of %Ey default to 2.
Currently in glibc, besides ja_JP locale, the locales using the
conversion specifier above are lo_LA (Laos) and th_TH (Thailand). In
these locales, they use the Buddhist era. The Buddhist era is a value
obtained by adding 543 to the Christian era, so it is not affected by
this change of the conversion specifier %Ey.
Furthermore, for the output string of the conversion specifier %EY,
an optional flag is given to the conversion specifier so that it can
be also used the current non-padding format, and the padding format
can be controlled. To achieve this, when an optional flag is given to
the conversion specifier %EY, the %Ey included in the combined
conversion specifier is interpreted as if decorated with the
appropriate flag.
"%EY" : "å¹³æˆ02å¹´"
"%_EY" : "å¹³æˆ 2å¹´"
"%-EY" : "å¹³æˆ2å¹´"
As an application example, by combining conversion specifiers, it can
be converted into the following display format.
"%Ex(%a) %X" : "å¹³æˆ02å¹´08月04æ—¥(土) 08時06分02秒"
"%_EY%b%eæ—¥(%a) %_H時%_M分%_S秒" : "å¹³æˆ 2å¹´ 8月 4æ—¥(土) 8時 6分 2秒"
"%-EY%B%-dæ—¥(%a) %-H時%-M分%-S秒" : "å¹³æˆ2å¹´8月4æ—¥(土) 8時6分2秒"
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>From glibc-bugs-return-43725-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 28 11:05:31 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug time/23758] Improve the width of alternate representation for year in strftime
Date: Sun, 28 Oct 2018 11:05:00 -0000
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--- Comment #3 from TAMUKI Shoichi <tamuki at linet dot gr.jp> ---
I sent the patch v2 to libc-alpha:
https://sourceware.org/ml/libc-alpha/2018-10/msg00599.html
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>From glibc-bugs-return-43726-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 29 01:21:20 2018
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Subject: [Bug libc/23828] The flag WRDE_REUSE of wordexp is ineffective as the Per-Thread Cache For malloc is enable by default
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hwanghom <huanghong16 at gmail dot com> changed:
What |Removed |Added
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CC| |huanghong16 at gmail dot com
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>From glibc-bugs-return-43728-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 29 09:51:52 2018
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From: "kuraga333 at mail dot ru" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/14827] free() doesn't honor M_TRIM_THRESHOLD
Date: Mon, 29 Oct 2018 09:51:00 -0000
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--- Comment #6 from Aleksandr Kurakin <kuraga333 at mail dot ru> ---
Ok, let's make M_MXFAST tunable and add M_MXFAST_ environment variable?
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>From glibc-bugs-return-43729-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 29 10:31:30 2018
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Subject: [Bug math/23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
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Szabolcs Nagy <nsz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
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--- Comment #5 from Szabolcs Nagy <nsz at gcc dot gnu.org> ---
fixed for 2.29 (and on 2.27, 2.28 release branches)
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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Sergi Almacellas Abellana <sergi at koolpi dot com> changed:
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----------------------------------------------------------------------------
Attachment #11360|0 |1
is obsolete| |
--- Comment #15 from Sergi Almacellas Abellana <sergi at koolpi dot com> ---
Created attachment 11371
--> https://sourceware.org/bugzilla/attachment.cgi?id=11371&action=edit
patch_v5
Hi Robert,
Thanks for your input.
Removing the extra space from int_curr_symbol causes the following error when
generating locales:
$ locale-gen
Generating locales...
ca_AD.UTF-8...failed to set locale!
[error] LC_MONETARY: value of field `int_curr_symbol' has wrong length
done
Generation complete.
I've uploaded a new patch version which uses '€' as currency symbol following
your suggestions. Here are my results:
>>> import locale
>>> locale.setlocale(locale.LC_ALL, '')
'ca_AD.UTF-8'
>>> locale.currency(-1234.5, grouping=True)
'-1.234,50 €'
>>> locale.currency(-1234.5, grouping=True)
'-1.234,50 €'
>>> locale.currency(-1234.5, grouping=True, international=True)
'-1.234,50 EUR '
>>> locale.currency(1234.5, grouping=True)
'1.234,50 €'
>>> locale.currency(1234.5, grouping=True, international=True)
'1.234,50 EUR '
Which looks good to me.
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Subject: [Bug localedata/23791] Wrong monetary format for ca_ES locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1643674
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--- Comment #16 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Sergi Almacellas Abellana from comment #15)
> I've uploaded a new patch version which uses '€' as currency symbol
> following your suggestions. Here are my results:
Currently, we write only ASCII directly and all non-ASCII data
as code points, i.e. we will keep "<U20AC>" here.
In future we may use all characters directly instead of code points,
but for the time being we have decided to use only ASCII directly.
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--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fec8bb7ca93d66cd2b019cfebcee6b3e6560ea36
commit fec8bb7ca93d66cd2b019cfebcee6b3e6560ea36
Author: Sergi Almacellas Abellana <sergi@koolpi.com>
Date: Mon Oct 29 13:38:30 2018 +0100
Currency symbol should not preceed amount for [BZ #23791]
CLDR also has the currency symbol after the amount for Catalan.
Also set grouping in LC_NUMERIC to 3;3.
Reviewed-by: Mike FABIAN <mfabian@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
localedata/locales/ca_ES | 6 +++---
2 files changed, 10 insertions(+), 3 deletions(-)
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #18 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in current master.
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2dd12baa045f25c52b30a34b10f72d51f2605413
commit 2dd12baa045f25c52b30a34b10f72d51f2605413
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Sep 25 11:11:27 2018 +0200
RISC-V: properly terminate call chain (bug 23125)
Mark the ra register as undefined in _start, so that unwinding through
main works correctly. Also, don't use a tail call so that ra points after
the call to __libc_start_main, not after the previous call.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
elf/Makefile | 4 +++-
elf/{tst-unwind-ctor-lib.c => tst-unwind-main.c} | 20 ++++++++------------
sysdeps/riscv/start.S | 7 ++++++-
4 files changed, 26 insertions(+), 14 deletions(-)
copy elf/{tst-unwind-ctor-lib.c => tst-unwind-main.c} (77%)
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
Date: Tue, 30 Oct 2018 11:15:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #8 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.29.
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From: "mike at marxmeier dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23844] New: pthread_rwlock_trywrlock results in hang
Date: Tue, 30 Oct 2018 13:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23844
Bug ID: 23844
Summary: pthread_rwlock_trywrlock results in hang
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: mike at marxmeier dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11373
--> https://sourceware.org/bugzilla/attachment.cgi?id=11373&action=edit
Test case
After upgrading from glibc 2.23 to 2.26, we've been seeing what looks like
a hang inside pthread_rwlock calls in our application.
A pthread_rwlock_trywrlock as a "quick path" if a lock is available.
Otherwise a pthread_rwlock_wrlock is used along with additional
measurement information.
if((ecode = pthread_rwlock_trywrlock(&rw_lock[idx]))) {
if(ecode == EBUSY)
ecode = pthread_rwlock_wrlock(&rw_lock[idx]);
if(ecode) {
perror("pthread_rwlock_wrlock");
exit(1);
}
}
This should behave identically to pthread_rwlock_wrlock().
It does result in a hang with the lock not taken but all
threads blocked in pthread_rwlock calls.
The attached test case makes it easily reproducible.
The lock state looks like this:
{__data = {__lock = 10, __nr_readers = 0, __readers_wakeup = 2,
__writer_wakeup = 3, __nr_readers_queued = 0, __nr_writers_queued = 0,
__writer = 0, __shared = 0, __rwelision = 0 '\000',
__pad1 = "\000\000\000\000\000\000", __pad2 = 0, __flags = 0},
__size = "\n\000\000\000\000\000\000\000\002\000\000\000\003", '\000'
<repeats 42 times>, __align = 10}
Threads are suspended in pthread_rwlock_wrlock or pthread_rwlock_rdlock
2 Thread 0x7fb876c92700 (LWP 28072) "rwl_g" 0x00007fb87705e585 in
pthread_rwlock_wrlock () from /lib64/libpthread.so.0
3 Thread 0x7fb876491700 (LWP 28073) "rwl_g" 0x00007fb87705e12a in
pthread_rwlock_rdlock () from /lib64/libpthread.so.0
4 Thread 0x7fb875c90700 (LWP 28074) "rwl_g" 0x00007fb87705e585 in
pthread_rwlock_wrlock () from /lib64/libpthread.so.0
* 5 Thread 0x7fb87548f700 (LWP 28075) "rwl_g" 0x00007fb87705e63f in
pthread_rwlock_wrlock () from /lib64/libpthread.so.0
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Subject: [Bug nptl/14266] tile: -fexceptions breaks pthread_cancel()
Date: Tue, 30 Oct 2018 13:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=14266
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Thread cancellation on glibc requires gcc exception frame information provided
by PT_GNU_EH_FRAME and the compiler must instruct the linker to produce it by
--eh-frame-hdr. On you example you are linking the shared library using linker
command directly, using default options. If you use either gcc driver (gcc
-shared) or add --eh-frame-hdr on linker options the example does not fail.
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What |Removed |Added
----------------------------------------------------------------------------
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/14266] tile: -fexceptions breaks pthread_cancel()
Date: Wed, 31 Oct 2018 17:20:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |INVALID
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Close based on comment #4.
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>From glibc-bugs-return-43744-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 01 01:54:58 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Thu, 01 Nov 2018 01:54:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-11-01
CC| |carlos at redhat dot com,
| |triegel at redhat dot com
Ever confirmed|0 |1
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Thank you for the bug report and reduced test case.
At first I thought this might be "rwlock: Fix explicit hand-over (bug 21298)",
but we fixed that *in* 2.26, but I would like you to double check that you have
that fix in your sources e.g. commit faf8c066df0d6bccb54bd74dd696eeb65e1b3bbc.
I looked at your test case and it seems entirely reasonable.
It's interesting that the effect of using trylock + EBUSY checking basically
ensures that the locking and sleeping on the futex happen in a very narrow band
of code.
Interestingly enough with strace it works, ptrace seems to perturb the test
enough that it works. Likewise it works sometimes with gdb (also using ptrace),
but maybe 1 out of 4 times it fails. So it certainly looks like a race.
With readers doing the same thing, trylock + EBUSY->lock, it succeeds. So
perhaps it's only the write side that has a defect.
In the failure mode I see 3 threads in the write lock, and 1 thread in the read
lock. I haven't seen anything different. In all 4 threads all the threads have
entered the kernel via futex_wait and are stuck there waiting for some thread
to wake them up, and that will never happen.
I don't immediately see what's wrong, but I'd have to audit
__pthread_rwlock_wrlock_full and __pthread_rwlock_trywrlock before concluding
what's wrong.
I've asked Torvald Riegel to have look, he's the primary author of the new
rwlock implementation.
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>From glibc-bugs-return-43745-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 01 16:28:16 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23848] New: [sparc] Some socket syscalls wrongly assumed to be present
Date: Thu, 01 Nov 2018 16:28:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23848
Bug ID: 23848
Summary: [sparc] Some socket syscalls wrongly assumed to be
present
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Host: sparc*-*-linux*
The SPARC kernel-features.h does not undefine some __ASSUME_* macros for socket
syscalls for 32-bit, even though those syscalls (sendmsg recvmsg sendto) were
only added for 32-bit in Linux 4.4 and the macros in question are defined by
default. Furthermore, the SPARC64 syscalls.list has entries for bind, listen
and setsockopt, despite those syscalls only being added in 4.4, so meaning a
build with post-4.4 headers would assume the syscalls to be present regardless
of --enable-kernel version (this is a SPARC version of bug 19682 which was the
corresponding S/390 issue).
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Subject: [Bug libc/23848] [sparc] Some socket syscalls wrongly assumed to be present
Date: Thu, 01 Nov 2018 16:31:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=daea71c2e4234e8c7ed78ce3d980b25f63744a14
commit daea71c2e4234e8c7ed78ce3d980b25f63744a14
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Nov 1 16:30:15 2018 +0000
Update and correct SPARC configuration for supported socket syscalls (bug
23848).
Looking at kernel-features.h files, I saw that SPARC was missing full
information on when it gained separate socket syscalls.
This patch adds such information to the SPARC kernel-features.h. It
also corrects what appear to be bugs in the existing code (that would
cause syscalls to be assumed to be present when not actually present).
Various __ASSUME_* macros, defined by default, were not undefined for
32-bit despite those syscalls only being added for 32-bit in Linux
4.4. Some syscalls were used in the SPARC64 syscalls.list but only
added in 4.4; this was harmless before the __NR_* macros were defined
at all, but once the macros were defined it means a build with
post-4.4 headers would assume the syscalls to be present regardless of
--enable-kernel version. Then, various __ASSUME_* macros were
previously not defined in cases where they could be defined (this part
of the patch is just an optimization, not a bug fix).
Note the observation in a comment in the patch that even the latest
Linux kernel for SPARC does not have getpeername and getsockname
syscalls in the compat syscall table for 32-bit binaries on 64-bit
kernels (so glibc can't assume those syscalls to be present for 32-bit
at all, although the 32-bit syscall table gained them in 4.4).
Tested (compilation only) for SPARC with build-many-glibcs.py.
[BZ #23848]
* sysdeps/unix/sysv/linux/sparc/kernel-features.h [!__arch64__ &&
__LINUX_KERNEL_VERSION < 0x040400] (__ASSUME_SENDMSG_SYSCALL):
Undefine.
[!__arch64__ && __LINUX_KERNEL_VERSION < 0x040400]
(__ASSUME_RECVMSG_SYSCALL): Likewise.
[!__arch64__ && __LINUX_KERNEL_VERSION < 0x040400]
(__ASSUME_SENDTO_SYSCALL): Likewise.
[!__arch64__ && __LINUX_KERNEL_VERSION < 0x040400]
(__ASSUME_ACCEPT_SYSCALL): Undefine under this condition, not just
[!__arch64__].
[!__arch64__ && __LINUX_KERNEL_VERSION < 0x040400]
(__ASSUME_CONNECT_SYSCALL): Likewise.
[!__arch64__ && __LINUX_KERNEL_VERSION < 0x040400]
(__ASSUME_RECVFROM_SYSCALL): Likewise.
[__LINUX_KERNEL_VERSION >= 0x040400] (__ASSUME_BIND_SYSCALL):
Define.
[__LINUX_KERNEL_VERSION >= 0x040400] (__ASSUME_LISTEN_SYSCALL):
Likewise.
[__LINUX_KERNEL_VERSION >= 0x040400]
(__ASSUME_SETSOCKOPT_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (bind):
Remove.
(listen): Likewise.
(setsockopt): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 28 ++++++++++++++++++++
sysdeps/unix/sysv/linux/sparc/kernel-features.h | 25 +++++++++++++++++-
.../unix/sysv/linux/sparc/sparc64/syscalls.list | 3 --
3 files changed, 52 insertions(+), 4 deletions(-)
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>From glibc-bugs-return-43747-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 01 16:32:24 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23848] [sparc] Some socket syscalls wrongly assumed to be present
Date: Thu, 01 Nov 2018 16:32:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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>From glibc-bugs-return-43748-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 06:05:10 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug time/23789] mktime does not set errno on failure
Date: Fri, 02 Nov 2018 06:05:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, aaribaud/bugzilla/23789/v4 has been created
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commit 134ae5ca82d3c5b5b9bab0ad145ffe8b1919a1ae
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Wed Oct 24 14:43:06 2018 +0200
Ensure mktime sets errno on error [BZ #23789]
Posix mandates that mktime set errno to EOVERFLOW
on error, but the glibc mktime wasn't doing it so
far.
Fix this and add a test to prevent regressions.
The fix also fixes the same issue in timegm.
Tested with 'make check' on x86-linux-gnu and
i686-linux-gnu.
* time/Makefile: Add bug-mktime4.
* time/bug-mktime4.c: New file.
* time/mktime.c
(__mktime_internal): Set errno to EOVERFLOW on error.
(mktime): Move call to __tzset inside conditional.
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>From glibc-bugs-return-43751-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 10:13:33 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
Date: Fri, 02 Nov 2018 10:13:00 -0000
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--- Comment #25 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=65010329f2c596bdd1204c1c9c9baac0193637af
commit 65010329f2c596bdd1204c1c9c9baac0193637af
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 2 10:56:00 2018 +0100
x86: Fix Haswell CPU string flags (BZ#23709)
Th commit 'Disable TSX on some Haswell processors.' (2702856bf4) changed
the
default flags for Haswell models. Previously, new models were handled by
the
default switch path, which assumed a Core i3/i5/i7 if AVX is available.
After
the patch, Haswell models (0x3f, 0x3c, 0x45, 0x46) do not set the flags
Fast_Rep_String, Fast_Unaligned_Load, Fast_Unaligned_Copy, and
Prefer_PMINUB_for_stringop (only the TSX one).
This patch fixes it by disentangle the TSX flag handling from the memory
optimization ones. The strstr case cited on patch now selects the
__strstr_sse2_unaligned as expected for the Haswell cpu.
Checked on x86_64-linux-gnu.
[BZ #23709]
* sysdeps/x86/cpu-features.c (init_cpu_features): Set TSX bits
independently of other flags.
(cherry picked from commit c3d8dc45c9df199b8334599a6cbd98c9950dba62)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/x86/cpu-features.c | 6 ++++++
3 files changed, 13 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-43752-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 10:32:03 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
Date: Fri, 02 Nov 2018 10:32:00 -0000
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--- Comment #26 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit d8eee5ef553350364eff1dce9d143fb845c60615
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 2 11:14:57 2018 +0100
x86: Fix Haswell CPU string flags (BZ#23709)
Th commit 'Disable TSX on some Haswell processors.' (2702856bf4) changed
the
default flags for Haswell models. Previously, new models were handled by
the
default switch path, which assumed a Core i3/i5/i7 if AVX is available.
After
the patch, Haswell models (0x3f, 0x3c, 0x45, 0x46) do not set the flags
Fast_Rep_String, Fast_Unaligned_Load, Fast_Unaligned_Copy, and
Prefer_PMINUB_for_stringop (only the TSX one).
This patch fixes it by disentangle the TSX flag handling from the memory
optimization ones. The strstr case cited on patch now selects the
__strstr_sse2_unaligned as expected for the Haswell cpu.
Checked on x86_64-linux-gnu.
[BZ #23709]
* sysdeps/x86/cpu-features.c (init_cpu_features): Set TSX bits
independently of other flags.
(cherry picked from commit c3d8dc45c9df199b8334599a6cbd98c9950dba62)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/x86/cpu-features.c | 6 ++++++
3 files changed, 13 insertions(+), 0 deletions(-)
--
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>From glibc-bugs-return-43753-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 10:40:37 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug string/23709] glibc 2.25 lacks sse2 optimized strstr()
Date: Fri, 02 Nov 2018 10:40:00 -0000
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--- Comment #27 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc40423dba7208ded2ec293c9a2938269f944ee8
commit dc40423dba7208ded2ec293c9a2938269f944ee8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Nov 2 11:14:05 2018 +0100
x86: Fix Haswell CPU string flags (BZ#23709)
Th commit 'Disable TSX on some Haswell processors.' (2702856bf4) changed
the
default flags for Haswell models. Previously, new models were handled by
the
default switch path, which assumed a Core i3/i5/i7 if AVX is available.
After
the patch, Haswell models (0x3f, 0x3c, 0x45, 0x46) do not set the flags
Fast_Rep_String, Fast_Unaligned_Load, Fast_Unaligned_Copy, and
Prefer_PMINUB_for_stringop (only the TSX one).
This patch fixes it by disentangle the TSX flag handling from the memory
optimization ones. The strstr case cited on patch now selects the
__strstr_sse2_unaligned as expected for the Haswell cpu.
Checked on x86_64-linux-gnu.
[BZ #23709]
* sysdeps/x86/cpu-features.c (init_cpu_features): Set TSX bits
independently of other flags.
(cherry picked from commit c3d8dc45c9df199b8334599a6cbd98c9950dba62)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/x86/cpu-features.c | 6 ++++++
3 files changed, 13 insertions(+), 0 deletions(-)
--
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>From glibc-bugs-return-43754-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 11:54:27 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23851] New: Bug in pthread_spin_unlock.S
Date: Fri, 02 Nov 2018 11:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23851
Bug ID: 23851
Summary: Bug in pthread_spin_unlock.S
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: i386,x86-64
sysdeps/x86_64/nptl/pthread_spin_unlock.S has
ENTRY(pthread_spin_unlock)
movl $1, (%rdi)
xorl %eax, %eax
retq
END(pthread_spin_unlock)
sfence is missing before the release store. We must ensure that all writes
inside the critical section are complete before the lock is released. Adding
sfence to x86-64 is OK. i486 can be a problem.
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>From glibc-bugs-return-43755-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 12:22:11 2018
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Subject: [Bug nptl/23851] Bug in pthread_spin_unlock.S
Date: Fri, 02 Nov 2018 12:22:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It is only necessary to use sfence after non-temporal store.
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>From glibc-bugs-return-43756-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 02 13:28:15 2018
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From: "mike at marxmeier dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Fri, 02 Nov 2018 13:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23844
--- Comment #2 from Michael Marxmeier <mike at marxmeier dot com> ---
Some additional notes
Unfortunately, the problem is not limited to this particular use of
trywrlock. I can also reproduce the same issue for readers, it takes
somewhat longer to reproduce but you end up in the same condition.
Also, a more concentional use of trywrlock (check availability of multiple
resources) results in the same hang.
As far as i can see this affects all glibc versions in recent distributions,
eg. Fedora 28/29, SUSE 15 or Ubuntu 1810. glibc versions before 2.26 seem
not affected, eg. CentOS 7.5.
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Subject: [Bug malloc/23852] New: posix_memalign returns an address currently mmap
Date: Fri, 02 Nov 2018 21:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23852
Bug ID: 23852
Summary: posix_memalign returns an address currently mmap
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: support at heidef dot com
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#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include <errno.h>
int main(int argc, char**argv) {
void *a = 0;
void *m = 0;
posix_memalign(&a, getpagesize(), 4169);
printf("posix1 = %p, usable = %d, errno = %d\n", a,
(int)malloc_usable_size(a), errno);
free(a);
/* Change to PROT_READ|PROT_WRITE if you dont't want the SIGSEGV */
m = mmap(a, getpagesize(), PROT_NONE,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
printf("mmap = %p, errno = %d\n", m, errno);
a = 0;
posix_memalign(&a, getpagesize(), 1024);
printf("posix2 = %p, usable = %d, errno = %d\n", a,
(int)malloc_usable_size(a), errno);
return 0;
}
Tried this with various glibc versions from 2.12 to 2.27 on different distros.
The allocation sizes have a play but haven't figured out the exact relationship
yet. In this example, if you change the first posix_memalign size to 4168 on
Debian with 2.24, then it doesn't crash but does at 4169 bytes. However, on
Fedora with 2.27, changing it to 4168 still causes a SIGSEGV.
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>From glibc-bugs-return-43759-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 03 01:41:43 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23745] mktime fix for Gnulib + coreutils
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #1 from eggert at cs dot ucla.edu ---
I installed the patch into glibc master and am marking this bug as fixed.
https://sourceware.org/git/?p=glibc.git;a=commit;h=5a580643111ef6081be7b4c7bd1997a5447c903f
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23852] posix_memalign returns an address currently mmap
Date: Sat, 03 Nov 2018 06:56:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
You are clobbering the properties of an existing, in-use memory mapping.
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Subject: [Bug librt/23855] New: Use of uninitialized variable
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https://sourceware.org/bugzilla/show_bug.cgi?id=23855
Bug ID: 23855
Summary: Use of uninitialized variable
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: librt
Assignee: unassigned at sourceware dot org
Reporter: wurongxin at cse dot ust.hk
Target Milestone: ---
In the source file sysdeps/pthread/aio_misc.c, the variable policy was likely
to be assigned to aiocbp->aiocb.__policy without initialization.
297: struct requestlist *
298: __aio_enqueue_request (aiocb_union *aiocbp, int operation) {
...
301: int policy, prio;
...
322: pthread_getschedparam (pthread_self (), &policy, ¶m);
...
351: aiocbp->aiocb.__policy = policy;
...
}
In Line 322, the policy may be uninitialized in some paths. Please check the
function pthread_getschedparam in npt/pthread_getschedparam.c.
int
__pthread_getschedparam (pthread_t threadid, int *policy,
struct sched_param *param)
{
struct pthread *pd = (struct pthread *) threadid;
/* Make sure the descriptor is valid. */
if (INVALID_TD_P (pd))
/* Not a valid thread handle. */
return ESRCH;
int result = 0;
/* See CREATE THREAD NOTES in nptl/pthread_create.c. */
lll_lock (pd->lock, LLL_PRIVATE);
/* The library is responsible for maintaining the values at all
times. If the user uses an interface other than
pthread_setschedparam to modify the scheduler setting it is not
the library's problem. In case the descriptor's values have
not yet been retrieved do it now. */
if ((pd->flags & ATTR_FLAG_SCHED_SET) == 0)
{
if (__sched_getparam (pd->tid, &pd->schedparam) != 0)
result = 1;
else
pd->flags |= ATTR_FLAG_SCHED_SET;
}
if ((pd->flags & ATTR_FLAG_POLICY_SET) == 0)
{
pd->schedpolicy = __sched_getscheduler (pd->tid);
if (pd->schedpolicy == -1)
result = 1;
else
pd->flags |= ATTR_FLAG_POLICY_SET;
}
if (result == 0)
{
*policy = pd->schedpolicy;
memcpy (param, &pd->schedparam, sizeof (struct sched_param));
}
lll_unlock (pd->lock, LLL_PRIVATE);
return result;
}
strong_alias (__pthread_getschedparam, pthread_getschedparam)
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Subject: [Bug librt/23855] Use of uninitialized variable
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What |Removed |Added
----------------------------------------------------------------------------
Version|2.28 |2.27
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Subject: [Bug librt/23855] Use of uninitialized variable
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>From glibc-bugs-return-43764-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Nov 04 13:26:15 2018
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From: "carmenbianca at fedoraproject dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] New: Esperanto has no country
Date: Sun, 04 Nov 2018 13:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23857
Bug ID: 23857
Summary: Esperanto has no country
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: carmenbianca at fedoraproject dot org
CC: libc-locales at sourceware dot org
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Since glibc 2.24, Esperanto has been available as the `eo.utf8` locale. It was
added as more-or-less the only locale not to have an associated country. For
translations, this works sufficiently well. The problem, however, is that a
lot
of projects don't handle the no-country locale very well.
- In GNOME's gnome-control-center, the user is given a choice to pick a
language
and a "format" (locale). Esperanto is a language choice, but not a locale
choice. Instead, it defaults to "United States (English)".
- In Python's `locale`, unsetting all LC_* variables and running `LANG=eo
python3`, you get `locale.getlocale() == ('eo_XX', 'ISO8853-3')`.
- In a lot of packages, you'll see something like `*_*` to match all locales.
Esperanto has to be separately mentioned such that the expression becomes `eo
*_*`. See <https://bugzilla.redhat.com/show_bug.cgi?id=1643756>.
I still need to file bug reports for the first two examples, and there are more
examples that I haven't recorded in long-term memory. The recurring problem,
however, is that Esperanto is the exception. It's a special case that a lot of
projects don't account for, because what language could possibly not have a
country?
A simple, satisfactory solution would be to no longer make Esperanto a special
case. Make it the same as all the other locales, and the problems will sort of
go away. There are a couple of approaches to this:
1. Create "eo_NL" just like Interlingua---an auxiliary conlang similar to
Esperanto--- has "ia_FR". Separate locales might need to be created for
different countries.
2. Create "eo_XX" or "eo_EO" as an exact copy of the current "eo" locale,
excluding a lot of LC_ADDRESS information.
3. Create "eo_XX" or "eo_EO" with a fake "Esperantujo" country and currency.
4. Add a fake "Esperantujo" country and currency to the current "eo" locale,
which might solve some problems, maybe?
5. Some combination of the above.
I have a slight preference for the first solution. Users would be able to use
Esperanto while retaining their local currency, date formatting, etc etc etc.
It is also preferable in the sense that Interlangua already does this, thus
precedence has been set.
Alternative #6 is to keep the status quo and fix all the bugs in third party
projects that do not account for the special case of Esperanto. This doesn't
scale very well, though. If another no-country language comes along, it will
have to be added as exception to these other projects again. It's also
cumulatively just a lot of work for a special case that not so many people use,
anyway.
I've briefly talked to Rafal about this issue on Fedora's trans list. I think
we agree that it's not really a glibc bug, thus I felt hesitant reporting it
here, but a lot of tiny bugs in a lot of projects that use glibc.
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From: "izbyshev at ispras dot ru" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23859] New: tzname, daylight are modified by localtime() in unexpected way
Date: Sun, 04 Nov 2018 17:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23859
Bug ID: 23859
Summary: tzname, daylight are modified by localtime() in
unexpected way
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: time
Assignee: unassigned at sourceware dot org
Reporter: izbyshev at ispras dot ru
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Created attachment 11376
--> https://sourceware.org/bugzilla/attachment.cgi?id=11376&action=edit
Demostrator of strange localtime() behavior
If I understand localtime() docs correctly, it should behave as if it calls
tzset() internally. However, I've discovered that it rather behaves as if it
unwinds time to the time_t it receives and only then calls tzset(). Moreover,
after it does so, calling tzset() explicitly doesn't restore globals like
'tzname' to the expected state.
I've attached the test case which tests localtime() with two timezones, both of
which are notable for changing their DST rules over time. The test sets TZ
environment variable, but I've verified that behavior is the same if
'/etc/localtime' is set appropriately and TZ is unset instead. The behavior is
also the same on (e)glibc-2.19 from Ubuntu 14.04 as well as on the current
trunk I've built myself (fc1c7bdc6). Below is the annotated output of the test
case.
At start:
GMT GMT 0 0
=== Testing Europe/Moscow ===
After first tzset():
MSK MSD -10800 1 # Why MSD? There is no DST since 2011.
Roughly current time; no DST in MSK since 2011:
2018-11-1 dst: 0 tz: MSK
MSK MSK -10800 0 # Looks like what the first tzset() should have been done. Or
should tzname[1] be empty?
Standard time, but DST is still observed in summer:
2009-11-1 dst: 0 tz: MSK
MSK MSD -10800 1 # Changed back to values correct for 2009.
DST:
2009-7-1 dst: 1 tz: MSD
MSK MSD -10800 1
Old TZ name for what is MSK now:
1991-7-1 dst: 1 tz: EEST
EET EEST -10800 1
After last tzset():
EET EEST -10800 1 # Even explicit tzset() doesn't restore the values
=== Testing America/Argentina/Buenos_Aires ===
After first tzset():
-03 -02 10800 1
No DST since 1994:
1995-11-1 dst: 0 tz: -03
-03 -03 10800 1
DST:
1990-11-1 dst: 1 tz: -02
-03 -02 10800 1
No DST:
1990-7-1 dst: 0 tz: -03
-03 -02 10800 1
Different UTC offset:
1960-7-1 dst: 1 tz: -03
-04 -03 10800 1 # OK, localtime() changes globals, but why is timezone still
10800 for -04?
After last tzset():
-04 -03 10800 1
I feel like either I totally misunderstood localtime() and tszet() docs or the
output above demonstrates a bug or several. I'd expect that tzname, timezone
and daylight stay the same between changes in TZ or /etc/localtime.
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From: "izbyshev at ispras dot ru" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23859] tzname, daylight are modified by localtime() in unexpected way
Date: Sun, 04 Nov 2018 21:47:00 -0000
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--- Comment #1 from Alexey Izbyshev <izbyshev at ispras dot ru> ---
I've built my test with musl 1.1.16. The output is below. It matches my
understanding of the correct localtime() behavior.
At start:
(null) (null) 0 0
=== Testing Europe/Moscow ===
After first tzset():
MSK -10800 0
Roughly current time; no DST in MSK since 2011:
2018-11-1 dst: 0 tz: MSK
MSK -10800 0
Standard time, but DST is still observed in summer:
2009-11-1 dst: 0 tz: MSK
MSK -10800 0
DST:
2009-7-1 dst: 1 tz: MSD
MSK -10800 0
Old TZ name for what is MSK now:
1991-7-1 dst: 1 tz: EEST
MSK -10800 0
After last tzset():
MSK -10800 0
=== Testing America/Argentina/Buenos_Aires ===
After first tzset():
-03 10800 0
No DST since 1994:
1995-11-1 dst: 0 tz: -03
-03 10800 0
DST:
1990-11-1 dst: 1 tz: -02
-03 10800 0
No DST:
1990-7-1 dst: 0 tz: -03
-03 10800 0
Different UTC offset:
1960-7-1 dst: 1 tz: -03
-03 10800 0
After last tzset():
-03 10800 0
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23789] mktime does not set errno on failure
Date: Mon, 05 Nov 2018 07:58:00 -0000
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--- Comment #5 from eggert at cs dot ucla.edu ---
Created attachment 11377
--> https://sourceware.org/bugzilla/attachment.cgi?id=11377&action=edit
proposed simpler patch
As discussed in https://www.sourceware.org/ml/libc-alpha/2018-11/msg00062.html
and https://www.sourceware.org/ml/libc-alpha/2018-11/msg00068.html this is a
simpler patch.
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>From glibc-bugs-return-43768-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 07:58:52 2018
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Subject: [Bug time/23789] mktime does not set errno on failure
Date: Mon, 05 Nov 2018 07:58:00 -0000
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--- Comment #6 from eggert at cs dot ucla.edu ---
Created attachment 11378
--> https://sourceware.org/bugzilla/attachment.cgi?id=11378&action=edit
proposed test case
As discussed in https://www.sourceware.org/ml/libc-alpha/2018-11/msg00068.html
here is a proposed test case.
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>From glibc-bugs-return-43769-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 09:58:08 2018
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From: "nicolas at debian dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/2363] EOPNOTSUPP and ENOTSUP in errno.h must be different, according to SUSv3
Date: Mon, 05 Nov 2018 09:58:00 -0000
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--- Comment #5 from nicolas at debian dot org ---
Created attachment 11380
--> https://sourceware.org/bugzilla/attachment.cgi?id=11380&action=edit
document the equality
Please consider at least documenting the issue, as done for EAGAIN and
EWOULDBLOCK.
Thanks.
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>From glibc-bugs-return-43770-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 11:49:34 2018
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Subject: [Bug libc/2363] EOPNOTSUPP and ENOTSUP in errno.h must be different, according to SUSv3
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>From glibc-bugs-return-43771-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 11:53:06 2018
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Subject: [Bug libc/2363] EOPNOTSUPP and ENOTSUP in errno.h must be different, according to SUSv3
Date: Mon, 05 Nov 2018 11:53:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
The patch is not correct as written because the values of EOPNOTSUPP and
ENOTSUP are distinct on Hurd.
(And please post patches to the libc-alpha mailing list.)
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>From glibc-bugs-return-43772-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 13:31:10 2018
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Subject: [Bug network/22927] crash in vn_gai_enqueue_request if requests_tail was NULL and pthread_create fails.
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1646373
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>From glibc-bugs-return-43773-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 13:44:36 2018
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Subject: [Bug localedata/23857] Esperanto has no country
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I'm not really convinced this is a glibc bug.
Wouldn't it make sense to fix applications bugs instead?
There are other artificial languages which may face the same issue once we add
it to glibc. Yiddish currently has a US locale, but isn't this a bit odd?
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>From glibc-bugs-return-43774-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 13:50:32 2018
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Subject: [Bug network/22927] crash in vn_gai_enqueue_request if requests_tail was NULL and pthread_create fails.
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251
commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251
Author: Andreas Schwab <schwab@suse.de>
Date: Mon Nov 5 12:47:30 2018 +0100
libanl: properly cleanup if first helper thread creation failed (bug 22927)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
resolv/gai_misc.c | 7 +++++--
2 files changed, 11 insertions(+), 2 deletions(-)
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Subject: [Bug network/22927] crash in vn_gai_enqueue_request if requests_tail was NULL and pthread_create fails.
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----------------------------------------------------------------------------
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.29.
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>From glibc-bugs-return-43776-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 15:25:37 2018
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https://sourceware.org/bugzilla/show_bug.cgi?id=23861
Bug ID: 23861
Summary: rdlock stalls indefinitely on an unlocked pthread
rwlock
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: prohaska7 at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11382
--> https://sourceware.org/bugzilla/attachment.cgi?id=11382&action=edit
test program that exposes rdlock stall
Sometimes a thread can be stalled indefinitely inside rdlock even when the
rwlock is not locked with either a reader or a writer. This bug is specific to
the PREFER_WRITER_NONRECURSIVE kind of pthread rwlock.
Problem occurs on Ubuntu 18.10 using glibc 2.28. It probably occurs on
previous versions of glibc as well.
The problem can be reproduced with the attached test program:
for ((x=1;x<100;x++)) ; do echo $x;date;./wrloop
--prefer-writer-nonrecursive;done
The stall inside rdlock occurs because the expected value for the futex wait
does not have the RWAITING bit set. This causes rdlock to immediately return
EAGAIN, so essentially rdlock just spins. Sometimes, the futex wait stalls
forever because the expected value matches the value of __readers due to a race
and then the futex __readers is never waked again because RWAITING is turned
off.
This patch fixes the problem:
diff --git a/nptl/pthread_rwlock_common.c b/nptl/pthread_rwlock_common.c
index a290d08332..81b162bbee 100644
--- a/nptl/pthread_rwlock_common.c
+++ b/nptl/pthread_rwlock_common.c
@@ -310,6 +310,7 @@ __pthread_rwlock_rdlock_full (pthread_rwlock_t *rwlock,
if (atomic_compare_exchange_weak_relaxed
(&rwlock->__data.__readers, &r, r | PTHREAD_RWLOCK_RWAITING))
{
+ r |= PTHREAD_RWLOCK_RWAITING;
/* Wait for as long as the flag is set. An ABA situation is
harmless because the flag is just about the state of
__readers, and all threads set the flag under the same
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>From glibc-bugs-return-43777-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 05 15:33:38 2018
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From: "carmenbianca at fedoraproject dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] Esperanto has no country
Date: Mon, 05 Nov 2018 15:33:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23857
--- Comment #2 from Carmen Bianca Bakker <carmenbianca at fedoraproject dot org> ---
(In reply to Florian Weimer from comment #1)
> I'm not really convinced this is a glibc bug.
>
> Wouldn't it make sense to fix applications bugs instead?
I agree that it isn't, and I agree that it would make sense to fix application
bugs. The problem is that those application bugs happen because glibc presents
a special case, and one could undo all these application bugs simultaneously by
making sure that the special case isn't special anymore.
Even something so simple as my proposed solution 2 would get rid of a lot of
bugs in programs that expect all locales to look like lang_COUNTRY.
> There are other artificial languages which may face the same issue once we
> add it to glibc. Yiddish currently has a US locale, but isn't this a bit
> odd?
If there's a sizeable population of Yiddish speakers in the US, then that
probably makes sense. It wouldn't make sense for Yiddish speakers outside of
the US, though. Problem is: Do you want to create a glibc locale for every
possible country where Yiddish is spoken in some capacity? That would
ultimately be the best solution for users, but might cause an annoying
maintenance burden on glibc.
Ideally I'd like to see language and country completely separated from each
other instead of combined in locales, because that would ultimately make the
most sense, but that would be a super big redesign that I am not comfortable
with proposing. I'm currently limiting my scope to making Esperanto (more)
usable on Fedora Workstation, and I think some of my above suggestions could
significantly improve the status of Esperanto with relatively little effort
(i.e., fixing all application bugs).
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] Esperanto has no country
Date: Mon, 05 Nov 2018 16:01:00 -0000
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--- Comment #3 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Florian Weimer from comment #1)
> There are other artificial languages which may face the same issue once we
> add it to glibc. Yiddish currently has a US locale, but isn't this a bit
> odd?
The comment is confusing.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] Esperanto has no country
Date: Mon, 05 Nov 2018 16:11:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Dmitry V. Levin from comment #3)
> (In reply to Florian Weimer from comment #1)
> > There are other artificial languages which may face the same issue once we
> > add it to glibc. Yiddish currently has a US locale, but isn't this a bit
> > odd?
>
> The comment is confusing.
Sorry, the two sentences are really separate. I did not want to imply that
Yiddish is an artificial language. I think the majority of Yiddish speakers is
*not* located in the United States. I suspect the locale was added under “USâ€
because there was no precedent for a locale without a country at the time.
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From: "nicolas at debian dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/2363] EOPNOTSUPP and ENOTSUP in errno.h must be different, according to SUSv3
Date: Tue, 06 Nov 2018 00:02:00 -0000
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nicolas at debian dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11380|0 |1
is obsolete| |
--- Comment #7 from nicolas at debian dot org ---
Created attachment 11383
--> https://sourceware.org/bugzilla/attachment.cgi?id=11383&action=edit
let doc say that ENOTSUP==EOPNOTSUPP on linux
Is this modified patch more correct?
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Subject: [Bug libc/23862] New: [sh] missing kernel-features.h undefines
Date: Tue, 06 Nov 2018 00:50:00 -0000
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Bug ID: 23862
Summary: [sh] missing kernel-features.h undefines
Product: glibc
Version: 2.28
Status: NEW
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
Target Milestone: ---
Host: sh*-*-linux*
The SH kernel-features.h undefines __ASSUME_RENAMEAT2 for kernel versions
before 4.8, but fails to undefine __ASSUME_EXECVEAT, __ASSUME_MLOCK2 and
__ASSUME_COPY_FILE_RANGE, although all those syscalls (and several others) were
added for SH in the same Linux kernel commit (first released in 4.8).
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Subject: [Bug libc/23864] New: [riscv] missing kernel-features.h undefines
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Bug ID: 23864
Summary: [riscv] missing kernel-features.h undefines
Product: glibc
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Host: riscv*-*-linux*
The RISC-V kernel has implemented futex_cmpxchg only since 4.20-rc1, thus
__ASSUME_SET_ROBUST_LIST should be undefined before that.
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Subject: [Bug libc/23864] [riscv] missing kernel-features.h undefines
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|2.26 |2.27
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Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
Date: Tue, 06 Nov 2018 16:07:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4a938cb273e164a475dc123cc80ea6354d7248d4
commit 4a938cb273e164a475dc123cc80ea6354d7248d4
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Nov 6 16:08:12 2018 +0100
posix: New function posix_spawn_file_actions_addchdir_np [BZ #17405]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 69 +++++++
NEWS | 5 +
posix/Makefile | 3 +-
posix/Versions | 3 +
posix/spawn.h | 7 +
..._faction_addopen.c => spawn_faction_addchdir.c} | 23 +--
posix/spawn_faction_destroy.c | 3 +
posix/spawn_int.h | 7 +-
posix/tst-spawn-chdir.c | 192 ++++++++++++++++++++
sysdeps/mach/hurd/i386/libc.abilist | 1 +
sysdeps/posix/spawni.c | 5 +
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arm/libc.abilist | 1 +
sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 1 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 +
sysdeps/unix/sysv/linux/microblaze/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 +
.../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 1 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
.../sysv/linux/powerpc/powerpc64/libc-le.abilist | 1 +
.../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sh/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/spawni.c | 5 +
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
38 files changed, 331 insertions(+), 18 deletions(-)
copy posix/{spawn_faction_addopen.c => spawn_faction_addchdir.c} (69%)
create mode 100644 posix/tst-spawn-chdir.c
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Subject: [Bug network/22927] crash in vn_gai_enqueue_request if requests_tail was NULL and pthread_create fails.
Date: Tue, 06 Nov 2018 16:07:00 -0000
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commit fc0e3393ff775aa795b523083bb0db7f18d3b91e
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Nov 6 16:12:07 2018 +0100
libanl: properly cleanup if first helper thread creation failed (bug 22927)
(cherry picked from commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251)
-----------------------------------------------------------------------
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resolv/gai_misc.c | 7 +++++--
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Subject: [Bug network/22927] crash in vn_gai_enqueue_request if requests_tail was NULL and pthread_create fails.
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commit fcd86c62538b465eaf002b0ed8981d00e10b649f
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Nov 6 17:12:07 2018 +0100
libanl: properly cleanup if first helper thread creation failed (bug 22927)
(cherry picked from commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
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resolv/gai_misc.c | 7 +++++--
3 files changed, 12 insertions(+), 2 deletions(-)
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Subject: [Bug network/22927] crash in vn_gai_enqueue_request if requests_tail was NULL and pthread_create fails.
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commit 1050634904b77d8563ffb1e7039095155ed466ef
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Nov 6 17:11:25 2018 +0100
libanl: properly cleanup if first helper thread creation failed (bug 22927)
(cherry picked from commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
resolv/gai_misc.c | 7 +++++--
3 files changed, 12 insertions(+), 2 deletions(-)
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Subject: [Bug libc/23862] [sh] missing kernel-features.h undefines
Date: Tue, 06 Nov 2018 17:23:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit e143ceba564a94922f6e46bb3a22d7a53a909a03
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Nov 6 17:22:50 2018 +0000
Correct SH kernel-features.h undefines (bug 23862).
The SH kernel-features.h undefines __ASSUME_RENAMEAT2 for kernel
versions before 4.8, but fails to undefine __ASSUME_EXECVEAT,
__ASSUME_MLOCK2 and __ASSUME_COPY_FILE_RANGE, although all those
syscalls (and several others) were added for SH in the same Linux
kernel commit (first released in 4.8). This patch adds the proper
undefines of those macros.
Tested with build-many-glibcs.py for its SH configurations.
[BZ #23862]
* sysdeps/unix/sysv/linux/sh/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040800] (__ASSUME_EXECVEAT): Undefine.
[__LINUX_KERNEL_VERSION < 0x040800] (__ASSUME_MLOCK2): Likewise.
[__LINUX_KERNEL_VERSION < 0x040800] (__ASSUME_COPY_FILE_RANGE):
Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
sysdeps/unix/sysv/linux/sh/kernel-features.h | 5 ++++-
2 files changed, 13 insertions(+), 1 deletions(-)
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Subject: [Bug libc/23862] [sh] missing kernel-features.h undefines
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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Subject: [Bug string/23865] New: wcsstr is quadratic-time
Date: Tue, 06 Nov 2018 17:41:00 -0000
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Bug ID: 23865
Summary: wcsstr is quadratic-time
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
Target Milestone: ---
The wcsstr implementation in glibc is a naive O(mn) implementation, which
allows denial of service with untrusted inputs. A smarter O(m+n)
implementation should be used, as with strstr.
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>From glibc-bugs-return-43791-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 06 22:25:42 2018
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Subject: [Bug libc/23867] New: [arm/microblaze] __ASSUME_MLOCK2 incorrect
Date: Tue, 06 Nov 2018 22:25:00 -0000
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Bug ID: 23867
Summary: [arm/microblaze] __ASSUME_MLOCK2 incorrect
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
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Host: arm*-*-linux* microblaze*-*-linux*
The generic kernel-features.h defines __ASSUME_MLOCK2 for 4.4 and later
kernels. However, for 32-bit ARM binaries running on 64-bit ARM kernels, and
for MicroBlaze, the syscall was only wired up in the 4.7 kernel. (32-bit ARM
kernels did have the syscall from 4.4 onwards.)
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>From glibc-bugs-return-43792-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 07 08:39:06 2018
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Subject: [Bug libc/23864] [riscv] missing kernel-features.h undefines
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commit 295132ff052b32960207d82a950c0efbf0766857
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Nov 6 09:23:02 2018 +0100
RISC-V: don't assume PI mutexes and robust futexes before 4.20 (bug 23864)
Support for futex_cmpxchg as only been added to 4.20-rc1.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/sysv/linux/riscv/kernel-features.h | 5 +++++
2 files changed, 12 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-43793-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 07 08:53:55 2018
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Subject: [Bug libc/23864] [riscv] missing kernel-features.h undefines
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What |Removed |Added
----------------------------------------------------------------------------
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Fixed in 2.29.
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>From glibc-bugs-return-43794-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 07 16:28:38 2018
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Subject: [Bug libc/23867] [arm/microblaze] __ASSUME_MLOCK2 incorrect
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commit 596cc360aa9f0484d6621fd9dfa5de83c3a24dc5
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 7 16:27:35 2018 +0000
Fix __ASSUME_MLOCK2 for ARM, MicroBlaze (bug 23867).
The generic kernel-features.h defines __ASSUME_MLOCK2 for 4.4 and
later kernels. However, for 32-bit ARM binaries running on 64-bit ARM
kernels, and for MicroBlaze, the syscall was only wired up in the 4.7
kernel. (32-bit ARM kernels did have the syscall from 4.4 onwards.)
This patch duly arranges for the macro to be undefined for those
architectures for kernels before 4.7.
Tested with build-many-glibcs.py for its ARM and MicroBlaze
configurations.
[BZ #23867]
* sysdeps/unix/sysv/linux/arm/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040700] (__ASSUME_MLOCK2): Undefine.
* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040700] (__ASSUME_MLOCK2): Undefine.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
sysdeps/unix/sysv/linux/arm/kernel-features.h | 7 +++++++
.../unix/sysv/linux/microblaze/kernel-features.h | 5 +++++
3 files changed, 20 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-43795-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 07 16:29:02 2018
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Subject: [Bug libc/23867] [arm/microblaze] __ASSUME_MLOCK2 incorrect
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----------------------------------------------------------------------------
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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>From glibc-bugs-return-43796-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 07 23:48:02 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] Esperanto has no country
Date: Wed, 07 Nov 2018 23:48:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |digitalfreak@lingonborough.
| |com
--- Comment #5 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Hello Carmen, thank you for filing this bug report.
(In reply to Carmen Bianca Bakker from comment #0)
> [...]
> I still need to file bug reports for the first two examples, and there are
> more
> examples that I haven't recorded in long-term memory. [...]
I encourage you to file those bug reports. Are they maybe caused by the
previous bug in glibc packaging in Fedora?
> [...]
> 1. Create "eo_NL" just like Interlingua---an auxiliary conlang similar to
> Esperanto--- has "ia_FR". Separate locales might need to be created for
> different countries.
I was not aware of this case with Interlingua. I would rather go for renaming
"ia_FR" to "ia" so that "eo" would not be alone anymore :-) but my knowledge
about Interlingua is too little to enforce it now.
> [...]
> Alternative #6 is to keep the status quo and fix all the bugs in third party
> projects that do not account for the special case of Esperanto.
This is my preferred choice and therefore I agree with Florian (comment 1) that
this is not a bug here. Also, I think it's good if we approach other projects
and explain them how to fix the issue correctly.
(In reply to Carmen Bianca Bakker from comment #2)
> (In reply to Florian Weimer from comment #1)
> > There are other artificial languages which may face the same issue once we
> > add it to glibc. Yiddish currently has a US locale, but isn't this a bit
> > odd?
>
> If there's a sizeable population of Yiddish speakers in the US, then that
> probably makes sense.
As far as I know yes, there is a large population of Yiddish speakers in the
US, they are about 160,000 people and I'm not sure but likely they are the
largest Yiddish population in the world.
> It wouldn't make sense for Yiddish speakers outside of
> the US, though. Problem is: Do you want to create a glibc locale for every
> possible country where Yiddish is spoken in some capacity? [...]
Most of the time this makes sense if two (or more) populations speaking the
same language in two countries develop their languages to the extent that they
differ little and actually make two variants of a language. Good examples are
US English vs. British English or Brazilian Portuguese vs. European Portuguese.
A secondary reason is when we want to provide other locale-dependent settings
for multiple countries speaking the same language.
So adding a locale makes sense if there is a population needing that.
Existence of a locale in CLDR and an official recognition of a language by the
local authorities are good argument for adding a locale variant.
> Ideally I'd like to see language and country completely separated from each
> other instead of combined in locales, because that would ultimately make the
> most sense,
Multiple environment variables (LC_MESSAGES, LC_MEASUREMENT, etc.) solve this
problem to some extent. That means, you don't have every combination of
language/country but you can choose a separate locale for different purposes
and that should be usually sufficient.
> but that would be a super big redesign that I am not comfortable
> with proposing.
+1
> I'm currently limiting my scope to making Esperanto (more)
> usable on Fedora Workstation, and I think some of my above suggestions could
> significantly improve the status of Esperanto with relatively little effort
> (i.e., fixing all application bugs).
Thank you for your effort, please continue.
Again, I think this is not a bug but I don't mind if we discuss this here.
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>From glibc-bugs-return-43797-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 08 07:49:26 2018
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From: "carmenbianca at fedoraproject dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] Esperanto has no country
Date: Thu, 08 Nov 2018 07:49:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23857
--- Comment #6 from Carmen Bianca Bakker <carmenbianca at fedoraproject dot org> ---
Hi Rafal,
(In reply to Rafal Luzynski from comment #5)
> I encourage you to file those bug reports. Are they maybe caused by the
> previous bug in glibc packaging in Fedora?
https://gitlab.gnome.org/GNOME/gnome-control-center/issues/260 - Appears
glibc-related, because the languages and locales/formats map directly to glibc
options. I wish I was more competent with C, and I'd try to fix it up myself.
https://bugs.python.org/issue35163 - Some weird obsolete configuration.
> I was not aware of this case with Interlingua. I would rather go for
> renaming "ia_FR" to "ia" so that "eo" would not be alone anymore :-) but my
> knowledge about Interlingua is too little to enforce it now.
Is it okay to add the author of the original Interlingua bug report to this bug
report? Perhaps they can add an original insight, and perhaps their motivation
for choosing "ia_FR" over "ia".
> > It wouldn't make sense for Yiddish speakers outside of
> > the US, though. Problem is: Do you want to create a glibc locale for every
> > possible country where Yiddish is spoken in some capacity? [...]
>
> Most of the time this makes sense if two (or more) populations speaking the
> same language in two countries develop their languages to the extent that
> they differ little and actually make two variants of a language. Good
> examples are US English vs. British English or Brazilian Portuguese vs.
> European Portuguese.
>
> A secondary reason is when we want to provide other locale-dependent
> settings for multiple countries speaking the same language.
>
> So adding a locale makes sense if there is a population needing that.
> Existence of a locale in CLDR and an official recognition of a language by
> the local authorities are good argument for adding a locale variant.
CLDR has "Unknown Region" listed under ZZ, which would work sufficiently well
for country-less languages. i.e., proposed solution 2, or solution 3 with
"Unknown Region" as country (and "XXX" as currency).
https://unicode.org/cldr/charts/34/summary/root.html
It could also work for Yiddish, where "yi_US" is for the Yiddish population
inside the US, and "yi_ZZ" could be used by non-US Yiddish populations who are
spread across many other countries. Though in the case of Yiddish
specifically, it might probably make sense to add an Israel entry, but that
will likely depend on a qualified volunteer doing the work.
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>From glibc-bugs-return-43798-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 08 11:50:56 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
Date: Thu, 08 Nov 2018 11:50:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
I think the inner loop should update r with the current value of __readers.
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>From glibc-bugs-return-43799-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 08 12:52:32 2018
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Subject: [Bug network/17630] endless loop in getaddr_r (CVE-2014-9402)
Date: Thu, 08 Nov 2018 12:52:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ac8060265bcaca61568ef3a20b9a0140a270af54
commit ac8060265bcaca61568ef3a20b9a0140a270af54
Author: Alexandra H�jkov� <ahajkova@redhat.com>
Date: Fri Oct 19 13:30:44 2018 +0200
Add an additional test to resolv/tst-resolv-network.c
Test for the infinite loop in getnetbyname, bug #17630.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
resolv/tst-resolv-network.c | 6 ++++++
2 files changed, 11 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-43800-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 08 17:09:32 2018
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Subject: [Bug stdio/20231] vdprintf_chk() does not return EOF when writing to closed file
Date: Thu, 08 Nov 2018 17:09:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The vdprintf_chk does indeed return EOF when trying to write on a closed file.
It will currently call:
_IO_new_file_seekoff
\_ _IO_new_file_attach
\_ __GI___vdprintf_chk
\_ _IO_file_seek
\_ __lseek64
And the __lseek64 will return -1/EBADF and thus _IO_new_file_attach will fail.
The code difference with default vdprintf is, in fact, BZ#11319, where
vdprintf_chk does not return an error output error is encountered (the same
example reported on BZ#11319 fails with -D_FORTIFY_SOURCE=2 -O2).
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>From glibc-bugs-return-43801-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 08 17:10:15 2018
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Subject: [Bug stdio/20231] vdprintf_chk() does not return EOF when writing to closed file
Date: Thu, 08 Nov 2018 17:10:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I will close this as invalid and re-open BZ#11319.
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>From glibc-bugs-return-43802-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 08 17:12:43 2018
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Subject: [Bug libc/11319] dprintf doesn't handle errors properly
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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----------------------------------------------------------------------------
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CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|FIXED |---
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The fortified version (__vdprintf_chk) requires this fix as well.
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Subject: [Bug dynamic-link/23509] CET enabled glibc is incompatible with the older linker
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d524fa6c35e675eedbd8fe6cdf4db0b49c658026
commit d524fa6c35e675eedbd8fe6cdf4db0b49c658026
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Nov 8 10:06:58 2018 -0800
Check multiple NT_GNU_PROPERTY_TYPE_0 notes [BZ #23509]
Linkers group input note sections with the same name into one output
note section with the same name. One output note section is placed in
one PT_NOTE segment. Since new linkers merge input .note.gnu.property
sections into one output .note.gnu.property section, there is only
one NT_GNU_PROPERTY_TYPE_0 note in one PT_NOTE segment with new linkers.
Since older linkers treat input .note.gnu.property section as a generic
note section and just concatenate all input .note.gnu.property sections
into one output .note.gnu.property section without merging them, we may
see multiple NT_GNU_PROPERTY_TYPE_0 notes in one PT_NOTE segment with
older linkers.
When an older linker is used to created the program on CET-enabled OS,
the linker output has a single .note.gnu.property section with multiple
NT_GNU_PROPERTY_TYPE_0 notes, some of which have IBT and SHSTK enable
bits set even if the program isn't CET enabled. Such programs will
crash on CET-enabled machines. This patch updates the note parser:
1. Skip note parsing if a NT_GNU_PROPERTY_TYPE_0 note has been processed.
2. Check multiple NT_GNU_PROPERTY_TYPE_0 notes.
[BZ #23509]
* sysdeps/x86/dl-prop.h (_dl_process_cet_property_note): Skip
note parsing if a NT_GNU_PROPERTY_TYPE_0 note has been processed.
Update the l_cet field when processing NT_GNU_PROPERTY_TYPE_0 note.
Check multiple NT_GNU_PROPERTY_TYPE_0 notes.
* sysdeps/x86/link_map.h (l_cet): Expand to 3 bits, Add
lc_unknown.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 +++++++++
sysdeps/x86/dl-prop.h | 51 ++++++++++++++++++++++++++++++++++++++---------
sysdeps/x86/link_map.h | 9 ++++---
3 files changed, 56 insertions(+), 14 deletions(-)
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Subject: [Bug dynamic-link/23509] CET enabled glibc is incompatible with the older linker
Date: Thu, 08 Nov 2018 20:02:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e8d8dd5afba18a847ff7a80f473336f777cc329
commit 3e8d8dd5afba18a847ff7a80f473336f777cc329
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Nov 8 10:06:58 2018 -0800
Check multiple NT_GNU_PROPERTY_TYPE_0 notes [BZ #23509]
Linkers group input note sections with the same name into one output
note section with the same name. One output note section is placed in
one PT_NOTE segment. Since new linkers merge input .note.gnu.property
sections into one output .note.gnu.property section, there is only
one NT_GNU_PROPERTY_TYPE_0 note in one PT_NOTE segment with new linkers.
Since older linkers treat input .note.gnu.property section as a generic
note section and just concatenate all input .note.gnu.property sections
into one output .note.gnu.property section without merging them, we may
see multiple NT_GNU_PROPERTY_TYPE_0 notes in one PT_NOTE segment with
older linkers.
When an older linker is used to created the program on CET-enabled OS,
the linker output has a single .note.gnu.property section with multiple
NT_GNU_PROPERTY_TYPE_0 notes, some of which have IBT and SHSTK enable
bits set even if the program isn't CET enabled. Such programs will
crash on CET-enabled machines. This patch updates the note parser:
1. Skip note parsing if a NT_GNU_PROPERTY_TYPE_0 note has been processed.
2. Check multiple NT_GNU_PROPERTY_TYPE_0 notes.
[BZ #23509]
* sysdeps/x86/dl-prop.h (_dl_process_cet_property_note): Skip
note parsing if a NT_GNU_PROPERTY_TYPE_0 note has been processed.
Update the l_cet field when processing NT_GNU_PROPERTY_TYPE_0 note.
Check multiple NT_GNU_PROPERTY_TYPE_0 notes.
* sysdeps/x86/link_map.h (l_cet): Expand to 3 bits, Add
lc_unknown.
(cherry picked from commit d524fa6c35e675eedbd8fe6cdf4db0b49c658026)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 +++++++++
NEWS | 1 +
sysdeps/x86/dl-prop.h | 51 ++++++++++++++++++++++++++++++++++++++---------
sysdeps/x86/link_map.h | 9 ++++---
4 files changed, 57 insertions(+), 14 deletions(-)
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Subject: [Bug dynamic-link/23509] CET enabled glibc is incompatible with the older linker
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.29 and 2.28 branch.
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Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Florian, do you think we need posix_spawn_file_actions_addfchdir_np as well? If
not, I think we can close this issue.
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Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
Date: Fri, 09 Nov 2018 13:02:00 -0000
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #4)
> Florian, do you think we need posix_spawn_file_actions_addfchdir_np as well?
> If not, I think we can close this issue.
I think we should add it for consistency, yes. It would be possible to emulate
it with /proc, but I'd prefer to add both functions in the same glibc release.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
Date: Fri, 09 Nov 2018 13:33:00 -0000
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--- Comment #6 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #5)
> (In reply to Adhemerval Zanella from comment #4)
> > Florian, do you think we need posix_spawn_file_actions_addfchdir_np as well?
> > If not, I think we can close this issue.
>
> I think we should add it for consistency, yes. It would be possible to
> emulate it with /proc, but I'd prefer to add both functions in the same
> glibc release.
I agree, I think relying solely on _addchdir to emulate _addfchdir only adds
more complexity on the posix_spawn.
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Subject: [Bug network/17630] endless loop in getaddr_r (CVE-2014-9402)
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--- Comment #29 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 1517dfb8aaaf25dfdb79bb3c8549bc997ae7319a
Author: Alexandra H�jkov� <ahajkova@redhat.com>
Date: Fri Oct 19 13:30:44 2018 +0200
Add an additional test to resolv/tst-resolv-network.c
Test for the infinite loop in getnetbyname, bug #17630.
(cherry picked from commit ac8060265bcaca61568ef3a20b9a0140a270af54)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
resolv/tst-resolv-network.c | 6 ++++++
2 files changed, 11 insertions(+), 0 deletions(-)
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--- Comment #28 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit b21abc069f58da3f8e556ec730f0a387cfc91f5f
Author: Alexandra H�jkov� <ahajkova@redhat.com>
Date: Fri Oct 19 13:30:44 2018 +0200
Add an additional test to resolv/tst-resolv-network.c
Test for the infinite loop in getnetbyname, bug #17630.
(cherry picked from commit ac8060265bcaca61568ef3a20b9a0140a270af54)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
resolv/tst-resolv-network.c | 6 ++++++
2 files changed, 11 insertions(+), 0 deletions(-)
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Subject: [Bug network/17630] endless loop in getaddr_r (CVE-2014-9402)
Date: Fri, 09 Nov 2018 13:50:00 -0000
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--- Comment #30 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27e46f5836d69c3e82442b1e3ac8a8b5e9ab12ce
commit 27e46f5836d69c3e82442b1e3ac8a8b5e9ab12ce
Author: Alexandra H�jkov� <ahajkova@redhat.com>
Date: Fri Oct 19 13:30:44 2018 +0200
Add an additional test to resolv/tst-resolv-network.c
Test for the infinite loop in getnetbyname, bug #17630.
(cherry picked from commit ac8060265bcaca61568ef3a20b9a0140a270af54)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
resolv/tst-resolv-network.c | 6 ++++++
2 files changed, 11 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-43812-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 09 14:00:56 2018
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Subject: [Bug string/22354] Update indirect jump table in x86 assembly codes to enable IBT
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H.J. Lu <hjl.tools at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.28.
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>From glibc-bugs-return-43813-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 10 21:06:09 2018
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Subject: [Bug libc/23878] New: memcmp() declares args non-NULL, even though it accepts n=0
Date: Sat, 10 Nov 2018 21:06:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23878
Bug ID: 23878
Summary: memcmp() declares args non-NULL, even though it
accepts n=0
Product: glibc
Version: unspecified
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This is causing UBSan to flag an error in my code, which is (IMO legitimately)
passing NULL to memcmp() when length argument is zero.
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Subject: [Bug libc/23878] memcmp() declares args non-NULL, even though it accepts n=0
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
UBSan is correct, even if the size is zero the pointers must still have valid
values.
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>From glibc-bugs-return-43815-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 10 21:37:22 2018
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Subject: [Bug libc/23878] memcmp() declares args non-NULL, even though it accepts n=0
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--- Comment #2 from Behdad Esfahbod <sourceware at behdad dot org> ---
Can you please refer me to the standard section for this? I thought NULL *is*
valid pointer for never being dereferenced.
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Subject: [Bug libc/23878] memcmp() declares args non-NULL, even though it accepts n=0
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
The standard uses the phrase “object pointed toâ€. C does not have zero-sized
objects, so pointers to objects are always not NULL.
I believe this is a defect in the standard and something that negatively
impacts C++ interoperability, among other things, but unfortunately, this is a
minority view.
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Subject: [Bug libc/23878] memcmp() declares args non-NULL, even though it accepts n=0
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--- Comment #5 from Behdad Esfahbod <sourceware at behdad dot org> ---
Thank you both.
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Subject: [Bug libc/23878] memcmp() declares args non-NULL, even though it accepts n=0
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--- Comment #4 from Andreas Schwab <schwab@linux-m68k.org> ---
7.24.1#2 "Unless explicitly stated otherwise in the description of a
particular function in this subclause, pointer arguments on such a call shall
still have valid values, as described in 7.1.4."
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>From glibc-bugs-return-43819-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 12 12:44:58 2018
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d174f53539bfbfa9cdfa41ead605573d3f219eb
commit 7d174f53539bfbfa9cdfa41ead605573d3f219eb
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Aug 28 13:19:27 2018 +0200
nscd: Fix use-after-free in addgetnetgrentX [BZ #23520]
addinnetgrX may use the heap-allocated buffer, so free the buffer
in this function.
(cherry picked from commit 745664bd798ec8fd50438605948eea594179fba1)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
nscd/netgroupcache.c | 42 +++++++++++++++++++++++++++++-------------
2 files changed, 41 insertions(+), 13 deletions(-)
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Subject: [Bug libc/20271] Missing "\n" in __libc_fatal calls
Date: Mon, 12 Nov 2018 12:46:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9071be6b3f78da905ab2b6403933fe14d4482e47
commit 9071be6b3f78da905ab2b6403933fe14d4482e47
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Fri Aug 31 18:04:32 2018 -0700
[BZ #20271] Add newlines in __libc_fatal calls.
(cherry picked from commit a6e8926f8d49a213a9abb1a61f6af964f612ab7f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 +++++++++++++++++++++
grp/initgroups.c | 2 +-
include/stdio.h | 3 +-
nptl/pthread_cond_wait.c | 2 +-
nscd/initgrcache.c | 2 +-
nss/nsswitch.c | 2 +-
sysdeps/aarch64/dl-irel.h | 2 +-
sysdeps/arm/dl-irel.h | 2 +-
sysdeps/generic/unwind-dw2.c | 2 +-
sysdeps/i386/dl-irel.h | 2 +-
sysdeps/nptl/futex-internal.h | 2 +-
sysdeps/powerpc/powerpc32/dl-irel.h | 2 +-
sysdeps/powerpc/powerpc64/dl-irel.h | 2 +-
sysdeps/s390/dl-irel.h | 2 +-
sysdeps/sparc/sparc32/dl-irel.h | 2 +-
sysdeps/sparc/sparc64/dl-irel.h | 2 +-
sysdeps/unix/sysv/linux/netlink_assert_response.c | 4 +-
sysdeps/x86_64/dl-irel.h | 2 +-
18 files changed, 41 insertions(+), 18 deletions(-)
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Subject: [Bug time/21716] Crash in glibc's mktime in low-memory situations
Date: Mon, 12 Nov 2018 12:46:00 -0000
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--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit e7388e5134471ef965bd48bafc71ba71eb8bf017
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue Sep 18 15:02:10 2018 -0700
Fix tzfile low-memory assertion failure
[BZ #21716]
* time/tzfile.c (__tzfile_read): Check for memory exhaustion
when registering time zone abbreviations.
(cherry picked from commit e4e4fde51a309801af5eed72d3494cbf4b7737aa)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
time/tzfile.c | 3 ++-
2 files changed, 9 insertions(+), 1 deletions(-)
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>From glibc-bugs-return-43822-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 13 13:44:17 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug time/23859] tzname, daylight are modified by localtime() in unexpected way
Date: Tue, 13 Nov 2018 13:44:00 -0000
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
If there is no DST then the value of tzname[1] is not used, thus doesn't
matter.
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To: glibc-bugs@sourceware.org
Subject: [Bug time/23859] tzname, daylight are modified by localtime() in unexpected way
Date: Tue, 13 Nov 2018 13:53:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
The specification for daylight and timezone are ambigous for time zones with
changing rules. POSIX really only specifies the behaviour of POSIX style
values for TZ, which cannot change over time.
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>From glibc-bugs-return-43824-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 14 16:34:58 2018
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Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
Date: Wed, 14 Nov 2018 16:34:00 -0000
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--- Comment #2 from richard prohaska <prohaska7 at gmail dot com> ---
This patch sets r = __readers in the inner loop as suggested and runs the test
program successfully.
diff --git a/nptl/pthread_rwlock_common.c b/nptl/pthread_rwlock_common.c
index a290d08332..8c970d19c3 100644
--- a/nptl/pthread_rwlock_common.c
+++ b/nptl/pthread_rwlock_common.c
@@ -314,7 +314,7 @@ __pthread_rwlock_rdlock_full (pthread_rwlock_t *rwlock,
harmless because the flag is just about the state of
__readers, and all threads set the flag under the same
conditions. */
- while ((atomic_load_relaxed (&rwlock->__data.__readers)
+ while (((r = atomic_load_relaxed (&rwlock->__data.__readers))
& PTHREAD_RWLOCK_RWAITING) != 0)
{
int private = __pthread_rwlock_get_private (rwlock);
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From: "cquike at arcor dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/20677] perror() changes orientation of stream when it is redirected
Date: Wed, 14 Nov 2018 17:35:00 -0000
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cquike at arcor dot de changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |cquike at arcor dot de
--- Comment #10 from cquike at arcor dot de ---
Hi,
I have found a weird behaviour with perror() that might be related to this bug.
The following simple code:
#include <stdio.h>
int main (void)
{
perror("");
perror("");
}
will generate the following when executed directly:
$ ./a.out
Success
Success
But if standard error is redirected the second perror call generates an
"Invalid argument" output:
$ ./a.out |& cat
Success
Invalid argument
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Subject: [Bug stdio/20677] perror() changes orientation of stream when it is redirected
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https://sourceware.org/bugzilla/show_bug.cgi?id=20677
--- Comment #11 from Andreas Schwab <schwab@linux-m68k.org> ---
That's not a bug. In general, any library function call can change the value
of errno.
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>From glibc-bugs-return-43827-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 08:43:04 2018
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From: "mliska at suse dot cz" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/23883] New: error: '__EI___errno_location' specifies less restrictive attributes than its target '__errno_location': 'const', 'nothrow' [-Werror=missing-attributes] with GCC 9
Date: Thu, 15 Nov 2018 08:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23883
Bug ID: 23883
Summary: error: '__EI___errno_location' specifies less
restrictive attributes than its target
'__errno_location': 'const', 'nothrow'
[-Werror=missing-attributes] with GCC 9
Product: glibc
Version: 2.28
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Priority: P2
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CC: carlos at redhat dot com
Target Milestone: ---
Building the library with recent compiler, I can see:
[ 56s] In file included from <command-line>:
[ 56s] ./../include/libc-symbols.h:534:26: error: '__EI___errno_location'
specifies less restrictive attributes than its target '__errno_location':
'const', 'nothrow' [-Werror=missing-attributes]
[ 56s] 534 | extern __typeof (name) __EI_##name \
[ 56s] | ^~~~~
[ 56s] ./../include/libc-symbols.h:538:29: note: in expansion of macro
'__hidden_ver1'
[ 56s] 538 | # define hidden_def(name) __hidden_ver1(__GI_##name, name,
name);
[ 56s] | ^~~~~~~~~~~~~
[ 56s] ./../include/libc-symbols.h:602:32: note: in expansion of macro
'hidden_def'
[ 56s] 602 | # define libc_hidden_def(name) hidden_def (name)
[ 56s] | ^~~~~~~~~~
[ 56s] errno-loc.c:28:1: note: in expansion of macro 'libc_hidden_def'
[ 56s] 28 | libc_hidden_def (__errno_location)
[ 56s] | ^~~~~~~~~~~~~~~
[ 56s] errno-loc.c:24:1: note: '__EI___errno_location' target declared here
[ 56s] 24 | __errno_location (void)
[ 56s] | ^~~~~~~~~~~~~~~~
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>From glibc-bugs-return-43828-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 08:43:15 2018
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Subject: [Bug build/23883] error: '__EI___errno_location' specifies less restrictive attributes than its target '__errno_location': 'const', 'nothrow' [-Werror=missing-attributes] with GCC 9
Date: Thu, 15 Nov 2018 08:43:00 -0000
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Martin Liska <mliska at suse dot cz> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |msebor at redhat dot com
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>From glibc-bugs-return-43829-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 08:55:38 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Thu, 15 Nov 2018 08:55:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11341|0 |1
is obsolete| |
--- Comment #50 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11396
--> https://sourceware.org/bugzilla/attachment.cgi?id=11396&action=edit
the patch adding translit_cyrillic and including it into locales
* Fixed formatting (trailing spaces etc.)
* Put commit summary in the patch file, now it is generated completely
by git format-patch
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>From glibc-bugs-return-43830-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 11:40:39 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23885] New: Testsuite fails misc/tst-pkey on big-endian powerpc (32 and 64 bit)
Date: Thu, 15 Nov 2018 11:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23885
Bug ID: 23885
Summary: Testsuite fails misc/tst-pkey on big-endian powerpc
(32 and 64 bit)
Product: glibc
Version: 2.27
URL: https://buildd.debian.org/status/fetch.php?pkg=glibc&a
rch=powerpc&ver=2.27-8&stamp=1540853305&raw=0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: glaubitz at physik dot fu-berlin.de
CC: adhemerval.zanella at linaro dot org, drepper.fsp at gmail dot com,
jrtc27 at jrtc27 dot com
Target Milestone: ---
Target: powerpc*-*-*
Since glibc 2.27, the test misc/test-pkey fails on 32- and 64-bit big-endian
powerpc systems on Linux with:
FAIL: misc/tst-pkey
original exit status 1
../sysdeps/unix/sysv/linux/tst-pkey.c:202: numeric comparison failure
left: -1 (0xffffffff); from: pkey_get (keys[0])
right: 0 (0x0); from: 0
../sysdeps/unix/sysv/linux/tst-pkey.c:210: numeric comparison failure
left: -1 (0xffffffff); from: pkey_get (keys[i])
right: 1 (0x1); from: i
../sysdeps/unix/sysv/linux/tst-pkey.c:210: numeric comparison failure
left: -1 (0xffffffff); from: pkey_get (keys[i])
right: 2 (0x2); from: i
../sysdeps/unix/sysv/linux/tst-pkey.c:210: numeric comparison failure
left: -1 (0xffffffff); from: pkey_get (keys[i])
right: 3 (0x3); from: i
../sysdeps/unix/sysv/linux/tst-pkey.c:215: numeric comparison failure
left: -1 (0xffffffff); from: pkey_get (keys[i])
right: 0 (0x0); from: i
Full log in
https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=ppc64&ver=2.28-0experimental1&stamp=1542062050&raw=0
Porterbox for debugging is available in the gcc compile farm:
https://cfarm.tetaneutral.net/machines/list/
Please let me know if you need any more input from me.
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>From glibc-bugs-return-43831-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 11:45:57 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23886] New: Testsuite fails math/test-float64x-float128-mul on sparc*
Date: Thu, 15 Nov 2018 11:45:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23886
Bug ID: 23886
Summary: Testsuite fails math/test-float64x-float128-mul on
sparc*
Product: glibc
Version: 2.28
URL: https://buildd.debian.org/status/fetch.php?pkg=glibc&a
rch=sparc64&ver=2.28-0experimental1&stamp=1542070823&r
aw=0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: glaubitz at physik dot fu-berlin.de
CC: adhemerval.zanella at linaro dot org,
jose.marchesi at oracle dot com, jrtc27 at jrtc27 dot com,
matorola at gmail dot com
Target Milestone: ---
Target: sparc64-*-*
Since 2.28, the testsuite for glibc fails on sparc64 with:
FAIL: math/test-float64x-float128-mul
original exit status 1
testing _Float64x (argument _Float128)
Failure: mul_ldouble (0x3.00000000000018p+0, 0x5.5555555555555558p-4):
Exception "Inexact" not set
Failure: mul_ldouble (-0xf.ffffffffffffbffffffffffffcp+1020, -0xf.fffffp+124):
Exception "Inexact" not set
Failure: mul_ldouble (-0xf.ffffffffffffbffffffffffffcp+1020, 0xf.fffffp+124):
Exception "Inexact" not set
Failure: mul_ldouble (-0xf.fffffp+124, -0xf.ffffffffffffbffffffffffffcp+1020):
Exception "Inexact" not set
Failure: mul_ldouble (-0xf.fffffp+124, 0xf.ffffffffffffbffffffffffffcp+1020):
Exception "Inexact" not set
Failure: mul_ldouble (0xf.ffffffffffffbffffffffffffcp+1020, -0xf.fffffp+124):
Exception "Inexact" not set
Failure: mul_ldouble (0xf.ffffffffffffbffffffffffffcp+1020, 0xf.fffffp+124):
Exception "Inexact" not set
Failure: mul_ldouble (0xf.fffffp+124, -0xf.ffffffffffffbffffffffffffcp+1020):
Exception "Inexact" not set
Failure: mul_ldouble (0xf.fffffp+124, 0xf.ffffffffffffbffffffffffffcp+1020):
Exception "Inexact" not set
Failure: mul_ldouble (0x5.000005p+0, 0x3.33333333333333333333333334p-4):
Exception "Inexact" not set
Failure: mul_ldouble (0x5.0000000000000005p+0, 0x3.3333333333334p-4): Exception
"Inexact" not set
Failure: mul_ldouble (0x5.00000000000028p+0, 0x3.3333333333333334p-4):
Exception "Inexact" not set
Failure: mul_ldouble (0x5.0000000000000005p+0, 0x3.3333333333333334p-4):
Exception "Inexact" not set
Failure: mul_downward_ldouble (0x3.00000000000018p+0, 0x5.5555555555555558p-4):
Exception "Inexact" not set
Failure: mul_downward_ldouble (-0xf.ffffffffffffbffffffffffffcp+1020,
-0xf.fffffp+124): Exception "Inexact" not set
Failure: mul_downward_ldouble (-0xf.ffffffffffffbffffffffffffcp+1020,
0xf.fffffp+124): Exception "Inexact" not set
Failure: Test: mul_downward_ldouble (-0xf.ffffffffffffbffffffffffffcp+1020,
0xf.fffffp+124)
Full build log available at:
https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=sparc64&ver=2.28-0experimental1&stamp=1542070823&raw=0
sparc64 porterboxes running Linux and Solaris can be found at the gcc compile
farm: https://cfarm.tetaneutral.net/machines/list/
Please let me know if you need anymore input.
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>From glibc-bugs-return-43832-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 11:46:33 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23886] Testsuite fails math/test-float64x-float128-mul on sparc64
Date: Thu, 15 Nov 2018 11:46:00 -0000
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John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Testsuite fails |Testsuite fails
|math/test-float64x-float128 |math/test-float64x-float128
|-mul on sparc* |-mul on sparc64
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>From glibc-bugs-return-43833-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 11:50:19 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23885] Testsuite fails misc/tst-pkey on big-endian powerpc (32 and 64 bit)
Date: Thu, 15 Nov 2018 11:50:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
I'm getting this error on all powerpc variants:
error: ../sysdeps/unix/sysv/linux/tst-pkey.c:200: pkey_alloc: No space left on
device
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>From glibc-bugs-return-43834-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 11:51:13 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23887] New: Testsuite fails posix/tst-spawn on ppc64 big-endian
Date: Thu, 15 Nov 2018 11:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23887
Bug ID: 23887
Summary: Testsuite fails posix/tst-spawn on ppc64 big-endian
Product: glibc
Version: 2.28
URL: https://buildd.debian.org/status/fetch.php?pkg=glibc&a
rch=ppc64&ver=2.28-0experimental1&stamp=1542062050&raw
=0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: glaubitz at physik dot fu-berlin.de
CC: adhemerval.zanella at linaro dot org, drepper.fsp at gmail dot com,
jrtc27 at jrtc27 dot com, matorola at gmail dot com
Target Milestone: ---
Target: powerpc64-*-*
Since 2.28, the testsuite is failing posix/tst-spawn on ppc64 big-endian with:
----------
FAIL: posix/tst-spawn
original exit status 1
error: tst-spawn.c:257: not true: WEXITSTATUS (status) == 0
error: 1 test failures
----------
Full log available at:
https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=ppc64&ver=2.28-0experimental1&stamp=1542062050&raw=0
A POWER7 porterbox running Linux can be found in the gcc compile farm:
https://cfarm.tetaneutral.net/machines/list/
If you need more input, please let me know.
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>From glibc-bugs-return-43835-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 12:00:02 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23887] Testsuite fails posix/tst-spawn on ppc64 big-endian
Date: Thu, 15 Nov 2018 12:00:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
I don't see that here.
https://build.opensuse.org/package/live_build_log/Base:System/glibc:testsuite/openSUSE_Factory_PowerPC/ppc64
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>From glibc-bugs-return-43836-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 12:06:14 2018
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Subject: [Bug libc/23885] Testsuite fails misc/tst-pkey on big-endian powerpc (32 and 64 bit)
Date: Thu, 15 Nov 2018 12:06:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |fweimer at redhat dot com
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
.
*** This bug has been marked as a duplicate of bug 23202 ***
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Subject: [Bug libc/23202] tst-pkeys fails on POWER
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| |e
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 23885 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-43838-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 12:28:48 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23887] Testsuite fails posix/tst-spawn on ppc64 big-endian
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--- Comment #2 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Andreas Schwab from comment #1)
> I don't see that here.
>
> https://build.opensuse.org/package/live_build_log/Base:System/glibc:
> testsuite/openSUSE_Factory_PowerPC/ppc64
It's in the build log you linked:
[ 6408s] FAIL: misc/tst-pkey
Seems like the failure is not critical on openSUSE.
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>From glibc-bugs-return-43839-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 12:36:00 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23202] tst-pkeys fails on POWER
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Ideally, we'd get a PKEY_DISABLE_READ flag to support POWER better for
pkey_get:
From: Florian Weimer <fweimer@redhat.com>
Subject: pkeys: Reserve PKEY_DISABLE_READ
To: linux-api@vger.kernel.org, linux-mm@kvack.org
Cc: dave.hansen@intel.com, linuxram@us.ibm.com
Date: Thu, 08 Nov 2018 13:05:09 +0100
https://marc.info/?l=linux-mm&m=154167872212711
I haven't seen a kernel patch for this yet.
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Subject: [Bug libc/23887] Testsuite fails posix/tst-spawn on ppc64 big-endian
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
That doesn't match the subject.
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--- Comment #4 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Andreas Schwab from comment #3)
> That doesn't match the subject.
Sorry, I got confused. You're right. posix/tst-spawn passes on openSUSE. This
might be an artifact then which might be a problem with the setup of the
machine.
I'll have another look and report back.
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>From glibc-bugs-return-43842-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 13:37:36 2018
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Subject: [Bug libc/23887] Testsuite fails posix/tst-spawn on ppc64 big-endian
Date: Thu, 15 Nov 2018 13:37:00 -0000
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Do you have commit 1fe2b9ca8a?
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23887] Testsuite fails posix/tst-spawn on ppc64 big-endian
Date: Thu, 15 Nov 2018 13:46:00 -0000
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--- Comment #6 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Andreas Schwab from comment #5)
> Do you have commit 1fe2b9ca8a?
Yes, this seems to be the case.
Debian:
https://sources.debian.org/src/glibc/2.28-0experimental1/sysdeps/unix/sysv/linux/spawni.c/#L104
Upstream:
https://sourceware.org/git/?p=glibc.git;a=blobdiff;f=sysdeps/unix/sysv/linux/spawni.c;h=85239cedbf2a5ab51cb4b38ebd94bf182603fb8a;hp=cf0213ece55c675d44b72f23f8c317566849c5aa;hb=1fe2b9ca8a;hpb=0b79004569e5ce1669136b8c41564c3809730f15
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>From glibc-bugs-return-43844-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 14:59:27 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/7057] pthread rwlock does not implement 'writer preferred' option
Date: Thu, 15 Nov 2018 14:59:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Steven Munroe from comment #2)
> Uli I think this question deserves a more complete explanation.
>
> This seems like a reasonable request. If you disagree then it would not hurt
> to explain why.
>
> There seems to be a valid concern related to reliable implementation of
> recursive read locks with writer priority. As in this discusion:
>
> http://sources.redhat.com/ml/libc-alpha/2000-01/msg00055.html
>
> If this your concern then saying so would help resolve/close this issue.
I'm making a statement here that this is exactly the case.
Adding support for PTHREAD_RWLOCK_PREFER_WRITER_NP is not possible without
serious negative consequences.
It is not a bug, it is simply a conflicting requirement between
PTHREAD_RWLOCK_PREFER_WRITER_NP (a non-portable extension) and POSIX that
cannot be satisfied without significant difficulty, and because of that we
don't support PTHREAD_RWLOCK_PREFER_WRITER_NP (but can't get rid of it for ABI
reasons), instead we have an additional constant
PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP which ensures the readers are
non-recursive and thus writer preference can be implemented without the obvious
deadlock.
I am rewriting the Linux man-pages document to state this, which was the
decision made on the mailing list but was never followed up.
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>From glibc-bugs-return-43845-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 16:38:38 2018
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Subject: [Bug build/23883] error: '__EI___errno_location' specifies less restrictive attributes than its target '__errno_location': 'const', 'nothrow' [-Werror=missing-attributes] with GCC 9
Date: Thu, 15 Nov 2018 16:38:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
To confirm: what platform is this for, and does your glibc include
Martin's fix (commit 1626a1cfcd6ba1cc64721be1036c2873211d499b), my six
followups (092dfde68f7d7e856479f49faf6e69d15293bc1c
9a7c643ac2c21e44d78f98ad9a974ea579bd2003
f578f97b97c8b46ec85a81a186c55db9c5a3c8cf
53f5c65914b7601b652cd7a38714885a8492e562
9c4b457e1b47369a40afd5e5e220f5d657667c0a
0c096dcf14df1ed6ce869015ca623d8fabf1f0ef) and Samuel's followup
(8c6c3fb0bceba87045eccadcfa50129ea95a6ebf)?
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>From glibc-bugs-return-43846-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 16:52:02 2018
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Subject: [Bug math/23886] Testsuite fails math/test-float64x-float128-mul on sparc64
Date: Thu, 15 Nov 2018 16:52:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Thu, 15 Nov 2018, glaubitz at physik dot fu-berlin.de wrote:
> FAIL: math/test-float64x-float128-mul
> original exit status 1
> testing _Float64x (argument _Float128)
This should be using the NARROW_MUL_TRIVIAL case in
sysdeps/ieee754/ldbl-128/s_f64xmulf128.c.
So, to debug it, you should first confirm that case really is the code
being used. Then see whether a corresponding long double multiplication
(without involving f64xmulf128 at all) raises the expected exceptions. If
it does, look further into what happens with exception flags during
f64xmulf128. If it doesn't, look into what happens with exceptions and
the _fex variable during the execution of _Qp_mul.
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Subject: [Bug libc/23887] Testsuite fails posix/tst-spawn on ppc64 big-endian
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John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #7 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
Ok, looks like an artifact. I have given the glibc package back (Debian speak
for initiating a rebuild attempt) and the testsuite failure no longer shows:
+---------------------------------------------------------------------+
| Encountered regressions that don't match expected failures. |
+---------------------------------------------------------------------+
FAIL: misc/tst-pkey
make: *** [debian/rules.d/build.mk:115: /<<PKGBUILDDIR>>/stamp-dir/check_libc]
Error 1
dpkg-buildpackage: error: debian/rules build-arch subprocess returned exit
status 2
> https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=ppc64&ver=2.28-0experimental1&stamp=1542285400&raw=0
So, I guess we can close this as invalid. Thanks for checking the openSUSE
side.
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>From glibc-bugs-return-43848-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 15 22:32:42 2018
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Subject: [Bug time/23758] Improve the width of alternate representation for year in strftime
Date: Thu, 15 Nov 2018 22:32:00 -0000
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--- Comment #4 from TAMUKI Shoichi <tamuki at linet dot gr.jp> ---
I sent the patch v2 to libc-alpha:
https://sourceware.org/ml/libc-alpha/2018-11/msg00411.html
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>From glibc-bugs-return-43849-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 16 05:46:24 2018
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Subject: [Bug time/23789] mktime does not set errno on failure
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Albert ARIBAUD <albert.aribaud at 3adev dot fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |albert.aribaud at 3adev dot fr
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #7 from Albert ARIBAUD <albert.aribaud at 3adev dot fr> ---
Fixed by the following 7-commit series:
commit 5d8af1566bd98aa9c2728f8f63f7ba43cfa84d09
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: DEBUG_MKTIME cleanup
The DEBUG_MKTIME code no longer works in glibc or in Gnulib.
And it’s no longer needed now that glibc and Gnulib both have
their own testing mechanisms for mktime.
* time/mktime.c (DEBUG_MKTIME): Remove. All uses removed.
commit 86aece3bfbd44538ba4fdc947872c81d4c5e6e61
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: fix non-EOVERFLOW errno handling
[BZ#23789]
mktime was not properly reporting failures when the underlying
localtime_r fails with errno != EOVERFLOW; it incorrectly treated
them like EOVERFLOW failures, and set errno to EOVERFLOW.
The problem could happen on non-glibc platforms, with Gnulib.
* time/mktime.c (guess_time_tm): Remove, replacing with ...
(tm_diff): ... this simpler function, which does not change errno.
All callers changed to deal with errno themselves.
(ranged_convert, __mktime_internal): Return failure immediately if
the underlying function reports any failure other than EOVERFLOW.
(__mktime_internal): Set errno to EOVERFLOW if the spring-forward
gap code fails.
commit f6b3331bbae638d1bb50813fceb429d3b3dc0eb9
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: fix bug with Y2038 DST transition
[BZ#23789]
* time/mktime.c (ranged_convert): On 32-bit platforms, don’t
mishandle a DST transition that jumps over the Y2038 boundary.
No such DST transitions are known so this is only a theoretical
bug, but we might as well do things right.
commit efbdddc381cfea5bfa9527e86fa3078257e5d91b
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: make more room for overflow
[BZ#23789]
* time/mktime.c (long_int): Now 4⨯ int, not just 3⨯.
This is so that we can add tm_diff results to a previous guess,
which will be useful in a later patch.
commit 6c90d759f613761de7ac435bbabcc373092cf8bc
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: simplify offset guess
[BZ#23789]
* time/mktime.c (__mktime_internal): Omit excess precision.
commit 32c12f3f7ac9736d9ca2f0e074f1a3d02e973a35
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: new test for mktime failure
[BZ#23789]
Based on a test suggested by Albert Aribaud in:
https://www.sourceware.org/ml/libc-alpha/2018-10/msg00662.html
* time/Makefile (tests): Add bug-mktime4.
* time/bug-mktime4.c: New file.
commit de20b81a038fe1c2060ce28125eec3838de5bdc5
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu Nov 15 22:59:33 2018 +0100
mktime: fix EOVERFLOW bug
[BZ#23789]
* time/mktime.c [!_LIBC && !DEBUG_MKTIME]:
Include libc-config.h, not config.h, for __set_errno.
(guess_time_tm, __mktime_internal): Set errno to EOVERFLOW on overflow.
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Subject: [Bug build/23883] error: '__EI___errno_location' specifies less restrictive attributes than its target '__errno_location': 'const', 'nothrow' [-Werror=missing-attributes] with GCC 9
Date: Fri, 16 Nov 2018 08:21:00 -0000
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Martin Liska <mliska at suse dot cz> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Martin Liska <mliska at suse dot cz> ---
Sorry, I have an older release, thus I'm closing that as invalid.
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Subject: [Bug time/23836] time/tst-mktime2 test failure on Arm (32-bit)
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
We don't see this failure anymore as of commit
346ef23f197a0c8ba807c344bd39101b711050ee on master.
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Subject: [Bug time/23836] time/tst-mktime2 test failure on Arm (32-bit)
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Dmitry V. Levin <ldv at sourceware dot org> changed:
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----------------------------------------------------------------------------
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23857] Esperanto has no country
Date: Sat, 17 Nov 2018 00:11:00 -0000
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--- Comment #7 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Hi,
I'm sorry for the delayed reply.
(In reply to Carmen Bianca Bakker from comment #6)
> [...]
> https://gitlab.gnome.org/GNOME/gnome-control-center/issues/260 - Appears
> glibc-related, because the languages and locales/formats map directly to
> glibc options. I wish I was more competent with C, and I'd try to fix it up
> myself.
Thank you. I have not looked at the source code yet but my guess is that the
list of territories comes from the list of locales with language part stripped.
This makes some sense to me: formats, units, etc. depend on the territory
rather than language. For example, English locale may have different units,
currency, country name etc. for USA, UK, Australia, India, Ireland, and so on.
On the other hand, people living in one country probably use the same formats,
units, and currency even if they speak different languages. Therefore, if you
want to select "Esperanto" as the locale for formats then... actually what
would you expect? Currency, country name, address format, car plate - "as used
in (where?)" Why "Netherlands" would not work better for you, for example?
I understand you may have some some good reasons to select Esperanto formats
but I'm trying to reflect the reasons of GNOME designers.
> https://bugs.python.org/issue35163 - Some weird obsolete configuration.
My first suggestion is that Python should not map ambiguous locales into
detailed ones but not supported by the current operating system.
Would adding "eo.ISO8859-3" help to fix this issue? I think the reason is that
historically the locales without the encoding specified used 8-bit encoding
like ISO 8859-1 or ISO 8859-3. Therefore often the locales map to 8-bit
encodings unless you specify "utf8" explicitly. Later when Unicode became
popular and widely used, newly added locales in glibc used UTF-8 as their only
encoding. This is the case of Esperanto: "eo" is an alias of "eo.UTF-8".
Somehow Python treats it as an alias of "eo_XX.ISO8859-3".
On the other hand I am not sure if adding the old encodings makes sense
nowadays. Old encodings are preserved only in order not to break existing
systems. Does any existing Linux system use "eo.ISO8859-3" and rely on it? Is
it likely to be true if this locale has never existed?
> (In reply to Rafal Luzynski from comment #5)
> > I was not aware of this case with Interlingua. I would rather go for
> > renaming "ia_FR" to "ia" so that "eo" would not be alone anymore :-) but my
> > knowledge about Interlingua is too little to enforce it now.
>
> Is it okay to add the author of the original Interlingua bug report to this
> bug report? Perhaps they can add an original insight, and perhaps their
> motivation for choosing "ia_FR" over "ia".
The bug report is https://sourceware.org/bugzilla/show_bug.cgi?id=14879 but I
wouldn't like to bother the authors of Interlingua patch with the issues of
Esperanto.
By the way, it has been recently considered a bug by CLDR to assign Interlingua
to France:
http://unicode.org/cldr/trac/ticket/11164
This raises my motivation to rename "ia_FR" to "ia" but not to the level
sufficient to actually do it.
> [...]
> CLDR has "Unknown Region" listed under ZZ, which would work sufficiently
> well for country-less languages. i.e., proposed solution 2, or solution 3
> with "Unknown Region" as country (and "XXX" as currency).
>
> https://unicode.org/cldr/charts/34/summary/root.html
It is possible as a workaround but I still believe we are able to handle "eo"
without a country name. Even more: we (the glibc project) are able to handle
it and as there are projects which do not (yet) handle it correctly I think we
should rather approach them and tell them how to fix it. So far I don't think
we have found any project where the issue exists and cannot be fixed.
> It could also work for Yiddish, where "yi_US" is for the Yiddish population
> inside the US, and "yi_ZZ" could be used by non-US Yiddish populations who
> are spread across many other countries. Though in the case of Yiddish
> specifically, it might probably make sense to add an Israel entry, but that
> will likely depend on a qualified volunteer doing the work.
Definitely no, Yiddish is not an artificial language and definitely is related
with some territories where it is actually spoken. It seems to me that Israel
could make sense and I don't mind adding it if needed, probably also USA makes
sense. I don't think that calling Yiddish "worldwide" or "non-US" or "unknown"
(in terms of territory) makes sense because we can tell the same about any
random language.
And please, if possible let's focus on Esperanto here rather than discussing
possible changes in other languages.
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Subject: [Bug dynamic-link/15310] _dl_sort_fini is O(n^3) causing slow exit when many dsos
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>From glibc-bugs-return-43856-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Nov 18 12:24:59 2018
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Subject: [Bug network/17083] /etc/hosts file should support IPv6 link-local addresses
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>From glibc-bugs-return-43857-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 11:04:32 2018
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From: "egor at kobylkin dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Mon, 19 Nov 2018 11:04:00 -0000
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--- Comment #51 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11402
--> https://sourceware.org/bugzilla/attachment.cgi?id=11402&action=edit
The patch adding translit_cyrillic and including it into locales
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>From glibc-bugs-return-43858-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 11:06:54 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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Egor Kobylkin <egor at kobylkin dot com> changed:
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--- Comment #52 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11403
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Transliteration table Cyrillic-> ASCII
Stripped System A. File now only has ISO 9:1995/GOST_7.79 System B
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>From glibc-bugs-return-43859-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 11:07:32 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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>From glibc-bugs-return-43860-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 11:37:42 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23897] New: Conflicting requirements for C11 threads and program termination
Date: Mon, 19 Nov 2018 11:37:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23897
Bug ID: 23897
Summary: Conflicting requirements for C11 threads and program
termination
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P3
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
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Flags: security-
C11 has this (5.1.2.2.3p1):
| If the return type of the main function is a type compatible with int,
| a return from the initial call to the main function is equivalent to
| calling the exit function with the value returned by the main function
| as its argument; […]
And this (7.26.5.5p3):
| The program shall terminate normally after the last thread has been
| terminated. The behavior shall be as if the program called the exit
| function with the status EXIT_SUCCESS at thread termination time.
These requirements are in conflict, as the exit function is not specified to
wait for thread termination. We followed POSIX and implemented the first
approach.
I'm not sure if we can do anything about this because the standard is
fundamentally broken here.
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>From glibc-bugs-return-43861-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 11:46:46 2018
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Subject: [Bug nptl/23897] Conflicting requirements for C11 threads and program termination
Date: Mon, 19 Nov 2018 11:46:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
In which way do they conflict?
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>From glibc-bugs-return-43862-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 11:50:54 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/23897] Conflicting requirements for C11 threads and program termination
Date: Mon, 19 Nov 2018 11:50:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #1)
> In which way do they conflict?
exit is required not to wait for thread termination, but to return control to
the host environment after the specified cleanup actions. The second
requirement quoted in comment 0 says “after the last thread has been
terminatedâ€. Those two requirements are fundamentally at odds—we cannot wait
for thread termination *and* return control to the host environment
immediately.
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>From glibc-bugs-return-43863-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 13:27:52 2018
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Subject: [Bug nptl/23897] Conflicting requirements for C11 threads and program termination
Date: Mon, 19 Nov 2018 13:27:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
“after the last thread has been terminated†is a precondition, not a
requirement.
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>From glibc-bugs-return-43864-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 13:55:04 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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What |Removed |Added
----------------------------------------------------------------------------
Attachment #11301|0 |1
is obsolete| |
--- Comment #53 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11404
--> https://sourceware.org/bugzilla/attachment.cgi?id=11404&action=edit
LibreOffice Calc spreadsheet used to generate the translit_cyrillic file with
the transliteration
with capitalisation of the transcription of capital letters and System B table
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>From glibc-bugs-return-43865-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 19 17:25:29 2018
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Subject: [Bug nptl/23897] Conflicting requirements for C11 threads and program termination
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #3)
> “after the last thread has been terminated†is a precondition, not a
> requirement.
Would you please elaborate? I really don't see how you reach this conclusion.
Thanks.
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Subject: [Bug nptl/23897] Conflicting requirements for C11 threads and program termination
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
It says what happens when the threads have exited. It's exactly the same as
what POSIX says about pthread_exit.
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #5)
> It says what happens when the threads have exited. It's exactly the same as
> what POSIX says about pthread_exit.
But this does not happen when the main thread exits via a return from the main
function. Then the program is terminated immediately, without waiting for
other threads to terminate.
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--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
How is that different from the way POSIX defines pthread_exit? It uses exactly
the same words.
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Subject: [Bug localedata/23857] Esperanto has no country
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--- Comment #8 from Carmen Bianca Bakker <carmenbianca at fedoraproject dot org> ---
(In reply to Rafal Luzynski from comment #7)
> Thank you. I have not looked at the source code yet but my guess is that
> the list of territories comes from the list of locales with language part
> stripped. This makes some sense to me: formats, units, etc. depend on the
> territory rather than language. For example, English locale may have
> different units, currency, country name etc. for USA, UK, Australia, India,
> Ireland, and so on. On the other hand, people living in one country
> probably use the same formats, units, and currency even if they speak
> different languages. Therefore, if you want to select "Esperanto" as the
> locale for formats then... actually what would you expect? Currency,
> country name, address format, car plate - "as used in (where?)" Why
> "Netherlands" would not work better for you, for example?
The chief problem in selecting "Netherlands" is that LC_DATE won't have the
correct language. I would much rather individually select each LC_* option,
but GNOME does not support that in its graphical interface.
> > https://bugs.python.org/issue35163 - Some weird obsolete configuration.
>
> My first suggestion is that Python should not map ambiguous locales into
> detailed ones but not supported by the current operating system.
>
> Would adding "eo.ISO8859-3" help to fix this issue? I think the reason is
> that historically the locales without the encoding specified used 8-bit
> encoding like ISO 8859-1 or ISO 8859-3. Therefore often the locales map to
> 8-bit encodings unless you specify "utf8" explicitly. Later when Unicode
> became popular and widely used, newly added locales in glibc used UTF-8 as
> their only encoding. This is the case of Esperanto: "eo" is an alias of
> "eo.UTF-8". Somehow Python treats it as an alias of "eo_XX.ISO8859-3".
>
> On the other hand I am not sure if adding the old encodings makes sense
> nowadays. Old encodings are preserved only in order not to break existing
> systems. Does any existing Linux system use "eo.ISO8859-3" and rely on it?
> Is it likely to be true if this locale has never existed?
I don't think anything needs to be changed from glibc's end for this bug. This
appears to be a Python-only oddity---I have never encountered eo.ISO8859-3
anywhere else.
> It is possible as a workaround but I still believe we are able to handle
> "eo" without a country name. Even more: we (the glibc project) are able to
> handle it and as there are projects which do not (yet) handle it correctly I
> think we should rather approach them and tell them how to fix it. So far I
> don't think we have found any project where the issue exists and cannot be
> fixed.
I don't disagree, but wouldn't changing this in glibc be a much easier solution
compared to the laborious process of opening bug reports everywhere to handle a
special case?
For instance, if we assume for a moment that "ia_FR" will become "ia", then a
lot of packages in a lot of distributions will need to change their for-loops
to `for eo ia *_*`. This is cumulatively a lot of work for minority languages.
A simple "ia_ZZ/eo_ZZ" would remove the special case and save a lot of work.
> Definitely no, Yiddish is not an artificial language and definitely is
> related with some territories where it is actually spoken. It seems to me
> that Israel could make sense and I don't mind adding it if needed, probably
> also USA makes sense. I don't think that calling Yiddish "worldwide" or
> "non-US" or "unknown" (in terms of territory) makes sense because we can
> tell the same about any random language.
I didn't imply that Yiddish is an artificial language. I implied that having a
catch-all "yi_ZZ" would save a lot of work over creating individual locales for
all the countries in the world where Yiddish is spoken in some capacity, which
is a lot of countries. In that capacity, Yiddish is an excellent comparison to
Esperanto, because both languages have a diaspora across the globe rather than
a defined nation state.
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Subject: [Bug localedata/23857] Esperanto has no country
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carmen Bianca Bakker from comment #8)
> The chief problem in selecting "Netherlands" is that LC_DATE won't have the
> correct language. I would much rather individually select each LC_* option,
> but GNOME does not support that in its graphical interface.
The problem is that GNOME (and KDE) removed the previously existing
functionality for separate category selection, without considering its
implications. I don't think we can work around the lack of such configuration
options in glibc because it would increase the number of locales to a
ridiculous amount. This is less of an issue for systems like Debian which
generate locale data files on demand, but it's hard on those systems which use
a pre-computed locale archive, such as Fedora.
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Subject: [Bug nptl/13701] pthread_rwlock_rdlock & realtime scheduling writer lock precedence
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #14 from Carlos O'Donell <carlos at redhat dot com> ---
I agree with Torvald in comment #11, we should document our deviation from
POSIX here both in rwlock and in other intefaces like scheduling where we don't
define SCHED_SPORADIC but are required to do so for TPS, but don't because
Linux's model for scheduling doesn't match the POSIX one and it never will.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23907
Bug ID: 23907
Summary: Incorrect double-free malloc tcache check disregards
tcache
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
The double-free check in _int_free in commit
bcdaad21d4635931d1bd3b54a7894276925d081d ("malloc: tcache double free check")
does not verify that tc_idx is a valid tcache index, so it will read invalid
tcache entries, leading to caches.
The faulty patch was backported in to glibc 2.28, so we need to backport the
fix as well.
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From: "cquike at arcor dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18229] limits.h is missing _XOPEN_NAME_MAX and _XOPEN_PATH_MAX
Date: Thu, 22 Nov 2018 17:01:00 -0000
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cquike at arcor dot de changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |cquike at arcor dot de
--- Comment #1 from cquike at arcor dot de ---
Hi,
I have created a simple patch that defines _XOPEN_NAME_MAX and _XOPEN_PATH_MAX
as required by the Open Group for XSI conformant systems
(https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html).
These options were added in Issue 6 of IEEE Std 1003.1-2001 and have not
changed since, so they can simply be defined as constants.
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Subject: [Bug libc/18229] limits.h is missing _XOPEN_NAME_MAX and _XOPEN_PATH_MAX
Date: Thu, 22 Nov 2018 17:03:00 -0000
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--- Comment #2 from cquike at arcor dot de ---
Created attachment 11409
--> https://sourceware.org/bugzilla/attachment.cgi?id=11409&action=edit
Patch defining _XOPEN_NAME_MAX and _XOPEN_PATH_MAX
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
Date: Thu, 22 Nov 2018 17:06:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Incorrect double-free |Incorrect double-free
|malloc tcache check |malloc tcache check
|disregards tcache |disregards tcache size
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Subject: [Bug libc/18229] limits.h is missing _XOPEN_NAME_MAX and _XOPEN_PATH_MAX
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Please send patches to the libc-alpha mailing list.
I think the patch should include an appropriate update to the conform/
data for limits.h, to reflect the standards for which these names are
required, since it's currently missing such expectations (as opposed to
having them present but XFAILed, which is the case for some missing
features).
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been updated
via f5cc21eaeea6afbdfd543c63d2a552f141a91781 (commit)
from 481a6cf0c24f02f251d7cd0b776c12d00e6b144f (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f5cc21eaeea6afbdfd543c63d2a552f141a91781
commit f5cc21eaeea6afbdfd543c63d2a552f141a91781
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 22 22:05:57 2018 +0100
Revert "malloc: tcache double free check" [BZ #23907]
This reverts commit 481a6cf0c24f02f251d7cd0b776c12d00e6b144f, the
backport of commit bcdaad21d4635931d1bd3b54a7894276925d081d on the
master branch.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ------------
dlfcn/dlerror.c | 5 +----
malloc/Makefile | 1 -
malloc/malloc.c | 28 ----------------------------
malloc/tst-tcfree1.c | 42 ------------------------------------------
malloc/tst-tcfree2.c | 48 ------------------------------------------------
manual/probes.texi | 12 ------------
7 files changed, 1 insertions(+), 147 deletions(-)
delete mode 100644 malloc/tst-tcfree1.c
delete mode 100644 malloc/tst-tcfree2.c
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
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CC| |dominik at greysector dot net
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Subject: [Bug libc/23912] New: Go binaries do not call __libc_start_main
Date: Fri, 23 Nov 2018 09:44:00 -0000
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Bug ID: 23912
Summary: Go binaries do not call __libc_start_main
Product: glibc
Version: unspecified
Status: NEW
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
At least on x86-64, the Go linker is broken and does not link against crt1.o.
Instead, the executable entry point looks like this:
0000000000459ad0 <_rt0_amd64_linux>:
459ad0: lea 0x8(%rsp),%rsi
459ad5: mov (%rsp),%rdi
459ad9: lea 0x10(%rip),%rax # 459af0 <main>
459ae0: jmpq *%rax
And:
0000000000459af0 <main>:
459af0: lea -0x3dd7(%rip),%rax # 455d20 <runtime.rt0_go>
459af7: jmpq *%rax
So the proper libc.so.6 initialization sequence is never used.
As a result, various glibc functionality will not work correctly. We probably
need to take this into account when making future changes to __libc_start_main,
so that those broken Go binaries keep working.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23912
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://github.com/golang/g
| |o/issues/28909
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>From glibc-bugs-return-43881-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 23 12:12:13 2018
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From: "yangx92 at hotmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23913] New: off-by-one in function maybe_script_execute in sysdeps/posix/spawni.c
Date: Fri, 23 Nov 2018 12:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23913
Bug ID: 23913
Summary: off-by-one in function maybe_script_execute in
sysdeps/posix/spawni.c
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: yangx92 at hotmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
There is an off-by-one vulnerability in function maybe_script_execute in
sysdeps/posix/spawni.c
61 static void
62 maybe_script_execute (struct posix_spawn_args *args)
63 {
64 if (SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15)
65 && (args->xflags & SPAWN_XFLAGS_TRY_SHELL) && errno == ENOEXEC)
66 {
67 char *const *argv = args->argv;
68 ptrdiff_t argc = args->argc;
69
70 /* Construct an argument list for the shell. */
71 char *new_argv[argc + 1];
72 new_argv[0] = (char *) _PATH_BSHELL;
73 new_argv[1] = (char *) args->file;
74 if (argc > 1)
75 memcpy (new_argv + 2, argv + 1, argc * sizeof(char *));
76 else
77 new_argv[2] = NULL;
78
79 /* Execute the shell. */
80 args->exec (new_argv[0], new_argv, args->envp);
81 }
82 }
In function maybe_script_execute, the new_argv array is dynamically initialized
on stack with (argc + 1) elements.
The function wants to add _PATH_BSHELL as the first argument and writes out of
bounds of new_argv.
There is an off-by-one because maybe_script_execute fails to count the
terminating NULL when sizing new_argv.
This issue is same to
https://sourceware.org/git/?p=glibc.git;a=commit;h=28669f86f6780a18daca264f32d66b1428c9c6f1.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23915] New: [arm] __ASSUME_COPY_FILE_RANGE incorrect
Date: Fri, 23 Nov 2018 17:38:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23915
Bug ID: 23915
Summary: [arm] __ASSUME_COPY_FILE_RANGE incorrect
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Host: arm*-*-linux*
The generic kernel-features.h defines __ASSUME_COPY_FILE_RANGE for 4.5 and
later kernels. However, for 32-bit Arm binaries running on 64-bit Arm kernels,
the syscall was only wired up in the 4.7 kernel, although the 32-bit Arm kernel
had the syscall from 4.5 onwards.
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Subject: [Bug libc/23915] [arm] __ASSUME_COPY_FILE_RANGE incorrect
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1283c478aa0a9b3d84320db5745a61b7f61b360c
commit 1283c478aa0a9b3d84320db5745a61b7f61b360c
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Nov 23 17:53:50 2018 +0000
Fix Arm __ASSUME_COPY_FILE_RANGE (bug 23915).
The generic kernel-features.h defines __ASSUME_COPY_FILE_RANGE for 4.5
and later kernels. However, for 32-bit Arm binaries running on 64-bit
Arm kernels, the syscall was only wired up in the 4.7 kernel, although
the 32-bit Arm kernel had the syscall from 4.5 onwards. This patch
corrects the Arm kernel-features.h to undefine the macro for
configured minimum kernel versions before 4.7.
Tested (compilation only) with a build-many-glibcs.py build for
arm-linux-gnueabi.
[BZ #23915]
* sysdeps/unix/sysv/linux/arm/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040700] (__ASSUME_COPY_FILE_RANGE):
Undefine.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/sysv/linux/arm/kernel-features.h | 7 ++++---
2 files changed, 11 insertions(+), 3 deletions(-)
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Subject: [Bug libc/23915] [arm] __ASSUME_COPY_FILE_RANGE incorrect
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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>From glibc-bugs-return-43885-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 24 00:51:39 2018
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Subject: [Bug libc/19767] vdso is not used with static linking
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 1e8bdc3a2b3e8d6e26efd14d44ae71d21d8366fe
Author: Rafael �vila de Esp�ndola <rafael@espindo.la>
Date: Fri Nov 23 15:34:15 2018 -0800
Enable VDSO on x86_64 statically linked programs [BZ #19767]
All the required code already existed, and some of it was already
running.
AT_SYSINFO_EHDR is processed if NEED_DL_SYSINFO_DSO is defined, but it
looks like it always is. The call to setup_vdso is also unconditional,
so all that was left to do was setup the function pointers and use
them. This patch just deletes some #ifdef to enable that.
[BZ #19767]
* nptl/Makefile (tests-static): Add tst-cond11-static.
(tests): Likewise.
* nptl/tst-cond11-static.c: New File.
* sysdeps/unix/sysv/linux/Makefile (tests-static): Add
tst-affinity-static.
(tests): Likewise.
* sysdeps/unix/sysv/linux/sysdep-vdso.h: Check USE_VSYSCALL
instead of SHARED.
* sysdeps/unix/sysv/linux/sysdep.h (ALWAYS_USE_VSYSCALL): New.
(USE_VSYSCALL): Likewise.
* sysdeps/unix/sysv/linux/tst-affinity-static.c: New file.
* sysdeps/unix/sysv/linux/x86/libc-vdso.h: Check USE_VSYSCALL
instead of SHARED.
* sysdeps/unix/sysv/linux/x86_64/init-first.c: Don't check
SHARED.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h (ALWAYS_USE_VSYSCALL):
New.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++++++++++
nptl/Makefile | 5 +++--
nptl/tst-cond11-static.c | 1 +
sysdeps/unix/sysv/linux/Makefile | 3 +++
sysdeps/unix/sysv/linux/sysdep-vdso.h | 4 ++--
sysdeps/unix/sysv/linux/sysdep.h | 7 +++++++
sysdeps/unix/sysv/linux/tst-affinity-static.c | 1 +
sysdeps/unix/sysv/linux/x86/libc-vdso.h | 2 +-
sysdeps/unix/sysv/linux/x86_64/init-first.c | 12 +++++-------
sysdeps/unix/sysv/linux/x86_64/sysdep.h | 3 +++
10 files changed, 47 insertions(+), 12 deletions(-)
create mode 100644 nptl/tst-cond11-static.c
create mode 100644 sysdeps/unix/sysv/linux/tst-affinity-static.c
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Subject: [Bug libc/19767] vdso is not used with static linking
Date: Mon, 26 Nov 2018 13:39:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ae74eadb60eb36424e4605939cef5fc966724be
commit 8ae74eadb60eb36424e4605939cef5fc966724be
Author: Rafael �vila de Esp�ndola <rafael@espindo.la>
Date: Mon Nov 26 11:35:26 2018 -0200
Enable VDSO on powerpc statically linked programs (bug 19767)
[BZ #19767]
* sysdeps/unix/sysv/linux/powerpc/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/powerpc/libc-vdso.h: Remove #ifdef
SHARED. Include sysdep.h.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
sysdeps/unix/sysv/linux/powerpc/init-first.c | 8 +++-----
sysdeps/unix/sysv/linux/powerpc/libc-vdso.h | 5 +----
sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h | 3 +++
sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h | 3 +++
5 files changed, 21 insertions(+), 9 deletions(-)
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>From glibc-bugs-return-43887-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 14:26:46 2018
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From: "0xe2.0x9a.0x9b at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23922] New: benchmark results measured by RDTSC and clock_gettime() differ
Date: Mon, 26 Nov 2018 14:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23922
Bug ID: 23922
Summary: benchmark results measured by RDTSC and
clock_gettime() differ
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: 0xe2.0x9a.0x9b at gmail dot com
CC: drepper.fsp at gmail dot com
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Glibc benchmark suite results differ depending on whether the suite is built
with USE_CLOCK_GETTIME=1 or without it.
Example:
CPU: Ryzen 5 1600 @ 3.5GHz
*Incorrect* result for bench-ffs (default setting, glibc 2.28):
"ffs": {
"": {
"duration": 3.47935e+10,
"iterations": 4.94e+09,
"max": 100.52,
"min": 7,
"mean": 7.04322
}
}
*Correct* result for bench-ffs (USE_CLOCK_GETTIME=1, glibc 2.28):
"ffs": {
"": {
"duration": 9.3078e+09,
"iterations": 4.3072e+09,
"max": 18.16,
"min": 2.15,
"mean": 2.16678
}
}
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>From glibc-bugs-return-43888-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 14:34:27 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23922] benchmark results measured by RDTSC and clock_gettime() differ
Date: Mon, 26 Nov 2018 14:34:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
What does your kernel report for TSC synchronization?
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>From glibc-bugs-return-43889-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 14:52:02 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23923] New: Add --no-hard-links option to localedef
Date: Mon, 26 Nov 2018 14:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23923
Bug ID: 23923
Summary: Add --no-hard-links option to localedef
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
Downstream distributions need consistent sets of hardlinks in order for rpm to
operate effectively. This means that even if locales are built with a high
level of parallelism that the resulting files need to have consistent hardlink
counts. The only way to achieve this is with a post-install hardlink pass using
a program like 'hardklink' (shipped in Fedora).
If the downstream distro wants to post-process the hardlinks then the time
spent in localedef looking up sibling directories and processing hardlinks is
wasted effort.
To further optimize the build and install pass we should add a --no-hard-links
option to localedef to avoid doing the hardlink optimziation for size.
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>From glibc-bugs-return-43890-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 14:54:26 2018
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Subject: [Bug libc/23922] benchmark results measured by RDTSC and clock_gettime() differ
Date: Mon, 26 Nov 2018 14:54:00 -0000
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--- Comment #2 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> What does your kernel report for TSC synchronization?
$ cat /proc/cpuinfo | grep -i tsc
flags: ... tsc rdtscp constant_tsc nonstop_tsc tsc_scale
$ dmesg | grep -i tsc
[ 0.000000] tsc: Using PIT calibration value
[ 0.005000] tsc: Fast TSC calibration using PIT
[ 0.006000] tsc: Detected 3499.900 MHz processor
[ 0.006000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles:
0x3272f306f30, max_idle_ns: 440795382702 ns
[ 0.372025] clocksource: Switched to clocksource tsc-early
[ 1.504036] tsc: Refined TSC clocksource calibration: 3499.998 MHz
[ 1.504045] clocksource: tsc: mask: 0xffffffffffffffff max_cycles:
0x32734efdd03, max_idle_ns: 440795244944 ns
[ 1.504080] clocksource: Switched to clocksource tsc
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>From glibc-bugs-return-43891-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 15:04:45 2018
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Subject: [Bug libc/23922] benchmark results measured by RDTSC and clock_gettime() differ
Date: Mon, 26 Nov 2018 15:04:00 -0000
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--- Comment #3 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b at gmail dot com> ---
Results for a different CPU: Intel Celeron N2930 @ 1.83GHz
Result for bench-ffs (default setting, glibc 2.28):
"ffs": {
"": {
"duration": 1.831e+10,
"iterations": 4.585e+08,
"max": 840.62,
"min": 39.798,
"mean": 39.9346
}
}
Result for bench-ffs (USE_CLOCK_GETTIME=1, glibc 2.28):
"ffs": {
"": {
"duration": 9.82014e+09,
"iterations": 4.167e+08,
"max": 362.81,
"min": 22.581,
"mean": 23.5665
}
}
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>From glibc-bugs-return-43892-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 15:14:40 2018
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Subject: [Bug locale/23923] Add --no-hard-links option to localedef
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
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>From glibc-bugs-return-43893-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 15:23:56 2018
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Subject: [Bug locale/23923] Add --no-hard-links option to localedef
Date: Mon, 26 Nov 2018 15:23:00 -0000
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Patch posted:
https://www.sourceware.org/ml/libc-alpha/2018-11/msg00661.html
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Subject: [Bug libc/23922] benchmark results measured by RDTSC and clock_gettime() differ
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Alexander Monakov <amonakov at gmail dot com> changed:
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--- Comment #4 from Alexander Monakov <amonakov at gmail dot com> ---
With USE_CLOCK_GETTIME, reported "duration" is in nanoseconds, but without it's
just the raw cycle count.
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>From glibc-bugs-return-43895-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 15:59:28 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23922] benchmark results measured by RDTSC and clock_gettime() differ
Date: Mon, 26 Nov 2018 15:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23922
Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |carlos at redhat dot com
Resolution|--- |INVALID
--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Alexander Monakov from comment #4)
> With USE_CLOCK_GETTIME, reported "duration" is in nanoseconds, but without
> it's just the raw cycle count.
Right, you cannot compare two runs which are configured differently.
The microbenchmark framework is for inter-run comparison of the same set of
benchmarks. Even comparing across one benchmark from the past until now is hard
because the benchmarks change over time.
Lastly note that duration is unitless. If you want this fixed we would need to
go through and canonicalize the results on some kind of unit.
Therefore I don't think there is any bug here, and I'm marking this
RESOLVED/INVALID. Please reopen this if you think we should take a different
action.
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>From glibc-bugs-return-43896-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 16:32:50 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23922] benchmark results measured by RDTSC and clock_gettime() differ
Date: Mon, 26 Nov 2018 16:32:00 -0000
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--- Comment #6 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b at gmail dot com> ---
Thanks for the explanation. I agree with RESOLVED/INVALID.
----
Phoronix is using these benchmarks to compare distinct systems. As the default
(non-clock_gettime) results are unitless and do not transfer from one CPU to
another, Phoronix's comparisons of distinct systems are invalid.
Phoronix comparisons would be valid if the benchmarks were configured to a
common unit of measurement: CPU time in seconds or nanoseconds.
https://www.phoronix.com/scan.php?page=article&item=linux-420-stibp
https://github.com/phoronix-test-suite/test-profiles/issues/44
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>From glibc-bugs-return-43897-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 19:12:12 2018
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
Date: Mon, 26 Nov 2018 19:12:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Target Milestone|--- |2.29
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.29. Still needs backporting to 2.28.
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>From glibc-bugs-return-43898-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 26 19:12:41 2018
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
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commit affec03b713c82c43a5b025dddc21bde3334f41e
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Nov 26 20:06:37 2018 +0100
malloc: tcache: Validate tc_idx before checking for double-frees [BZ
#23907]
The previous check could read beyond the end of the tcache entry
array. If the e->key == tcache cookie check happened to pass, this
would result in crashes.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
malloc/malloc.c | 52 ++++++++++++++++++++++++++--------------------------
2 files changed, 32 insertions(+), 26 deletions(-)
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>From glibc-bugs-return-43899-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 00:02:43 2018
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From: "cykerway at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug glob/23926] New: fnmatch with FNM_PATHNAME is not POSIX compliant
Date: Tue, 27 Nov 2018 00:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23926
Bug ID: 23926
Summary: fnmatch with FNM_PATHNAME is not POSIX compliant
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
Reporter: cykerway at gmail dot com
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Created attachment 11414
--> https://sourceware.org/bugzilla/attachment.cgi?id=11414&action=edit
test case
POSIX 2008 says, in 2.13.3 Patterns Used for Filename Expansion:
<http://pubs.opengroup.org/onlinepubs/9699919799.2008edition/>
> The <slash> character in a pathname shall be explicitly matched by using one or more <slash> characters in the pattern; it shall neither be matched by the <asterisk> or <question-mark> special characters nor by a bracket expression. <slash> characters in the pattern shall be identified before bracket expressions; thus, a <slash> cannot be included in a pattern bracket expression used for filename expansion. If a <slash> character is found following an unescaped <left-square-bracket> character before a corresponding <right-square-bracket> is found, the open bracket shall be treated as an ordinary character. For example, the pattern "a[b/c]d" does not match such pathnames as abd or a/d. It only matches a pathname of literally a[b/c]d.
But fnmatch (with FNM_PATHNAME) matches pattern `a[b/c]d` with string `abd` not
`a[b/c]d`.
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>From glibc-bugs-return-43900-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 09:52:39 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
Date: Tue, 27 Nov 2018 09:52:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
fnmatch references 2.13.3 only for the interpretation of FNM_PERIOD, not for
FNM_PATHNAME. The description of FNM_PATHNAME in fnmatch only repeats the
first sentence from 2.13.3#1, not the rest of it.
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>From glibc-bugs-return-43901-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 12:28:52 2018
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Subject: [Bug libc/19767] vdso is not used with static linking
Date: Tue, 27 Nov 2018 12:28:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 979cfed05d0ee5a9d81d310ea1eb2d590739e36b
Author: Rafael �vila de Esp�ndola <rafael@espindo.la>
Date: Tue Nov 27 12:27:39 2018 +0000
Enable VDSO for static linking on aarch64
[BZ #19767]
* sysdeps/unix/sysv/linux/aarch64/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/aarch64/libc-vdso.h: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (ALWAYS_USE_VSYSCALL):
Define.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/sysv/linux/aarch64/init-first.c | 8 +++-----
sysdeps/unix/sysv/linux/aarch64/libc-vdso.h | 7 ++-----
sysdeps/unix/sysv/linux/aarch64/sysdep.h | 3 +++
4 files changed, 15 insertions(+), 10 deletions(-)
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Subject: [Bug manual/12045] regex range semantics outside of POSIX should be documented
Date: Tue, 27 Nov 2018 14:37:00 -0000
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Subject: [Bug localedata/12051] CEO has confusing differences across locales
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Subject: [Bug manual/12045] regex range semantics outside of POSIX should be documented
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Tue, 27 Nov 2018 14:51:00 -0000
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>From glibc-bugs-return-43906-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 14:53:55 2018
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Subject: [Bug libc/23501] nftw() doesn't return dangling symlink's inode
Date: Tue, 27 Nov 2018 14:53:00 -0000
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>From glibc-bugs-return-43907-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 14:54:26 2018
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Subject: [Bug libc/23501] nftw() doesn't return dangling symlink's inode
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>From glibc-bugs-return-43908-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 14:55:00 2018
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From: "guidovranken at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/23927] New: Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
Date: Tue, 27 Nov 2018 14:54:00 -0000
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Bug ID: 23927
Summary: Linux if_nametoindex() does not close descriptor
(CVE-2018-19591)
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: guidovranken at gmail dot com
Target Milestone: ---
In sysdeps/unix/sysv/linux/if_index.c, __if_nametoindex() creates a socket
descriptor but does not close it if the 'ifname' parameter is too long. This is
a resource leak (CWE-404).
Additionally, it is possible to call getaddrinfo() with a crafted 'node'
parameter, that leads to the offending code in __if_nametoindex().
In short, untrusted hostname resolutions (via getaddrinfo()) lead to descriptor
exhaustion.
MITRE has assigned CVE-2018-19591 for this issue.
Attribution: Guido Vranken
A proof-of-concept follows:
#include <errno.h>
#include <net/if.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
static int detect_open_descriptors(void)
{
int i = 0;
int fd_count = 0;
int max_fd_number = 0;
struct stat stats;
max_fd_number = getdtablesize();
struct rlimit rlimits;
getrlimit(RLIMIT_NOFILE, &rlimits);
for ( i = 0; i <= max_fd_number; i++ ) {
fstat(i, &stats);
if ( errno != EBADF ) { fd_count++; }
}
return fd_count;
}
int main(void)
{
struct addrinfo hints, *res;
void *ptr;
memset (&hints, 0, sizeof (hints));
hints.ai_socktype = SOCK_STREAM;
printf("Open file descriptors before call to getaddrinfo: %d\n",
detect_open_descriptors());
for (int i = 0; i < 1500; i++) {
getaddrinfo("FEA0::%AAAAAAAAAAAAAAAA", NULL, &hints, &res);
printf("Open file descriptors after call to getaddrinfo: %d\n",
detect_open_descriptors());
}
return 0;
}
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Subject: [Bug localedata/12051] CEO has confusing differences across locales
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Subject: [Bug regex/23393] Handle [a-z] and [A-Z] in consistent portable fashion regardless of locale.
Date: Tue, 27 Nov 2018 14:58:00 -0000
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
Date: Tue, 27 Nov 2018 14:58:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-11-27
CC| |fweimer at redhat dot com
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Ever confirmed|0 |1
Alias| |CVE-2018-19591
Flags| |security+
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>From glibc-bugs-return-43912-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 15:06:58 2018
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Subject: [Bug network/22442] if_nametoindex could report index for the wrong networking interface
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |23927
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=23927
[Bug 23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
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>From glibc-bugs-return-43914-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 15:07:29 2018
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
Date: Tue, 27 Nov 2018 15:07:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted: https://sourceware.org/ml/libc-alpha/2018-11/msg00698.html
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>From glibc-bugs-return-43913-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 15:07:01 2018
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |22442
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=22442
[Bug 22442] if_nametoindex could report index for the wrong networking
interface
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>From glibc-bugs-return-43915-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 17:13:55 2018
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
Date: Tue, 27 Nov 2018 17:13:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via d527c860f5a3f0ed687bd03f0cb464612dc23408 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d527c860f5a3f0ed687bd03f0cb464612dc23408
commit d527c860f5a3f0ed687bd03f0cb464612dc23408
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Nov 27 16:12:43 2018 +0100
CVE-2018-19591: if_nametoindex: Fix descriptor for overlong name [BZ
#23927]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 4 +++-
sysdeps/unix/sysv/linux/if_index.c | 11 ++++++-----
3 files changed, 16 insertions(+), 6 deletions(-)
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.29.
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Subject: [Bug network/22442] if_nametoindex could report index for the wrong networking interface
Date: Tue, 27 Nov 2018 17:14:00 -0000
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Bug 22442 depends on bug 23927, which changed state.
Bug 23927 Summary: Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
https://sourceware.org/bugzilla/show_bug.cgi?id=23927
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
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>From glibc-bugs-return-43918-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 27 17:44:04 2018
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1653832
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--- Comment #2 from Cyker Way <cykerway at gmail dot com> ---
(In reply to Andreas Schwab from comment #1)
> fnmatch references 2.13.3 only for the interpretation of FNM_PERIOD, not for
> FNM_PATHNAME. The description of FNM_PATHNAME in fnmatch only repeats the
> first sentence from 2.13.3#1, not the rest of it.
So this is a word in progress? But `man 3 fnmatch` says it is conforming to
POSIX 2008 while in fact it doesn't:
> CONFORMING TO
>
> POSIX.1-2001, POSIX.1-2008, POSIX.2. The FNM_FILE_NAME,
> FNM_LEADING_DIR, and FNM_CASEFOLD flags are GNU extensions.
<http://man7.org/linux/man-pages/man3/fnmatch.3.html>
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
What do you mean with "word in progress"?
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CVE-2018-19591: if_nametoindex: Fix descriptor for overlong name [BZ
#23927]
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CVE-2018-19591: if_nametoindex: Fix descriptor for overlong name [BZ
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CVE-2018-19591: if_nametoindex: Fix descriptor for overlong name [BZ
#23927]
(cherry picked from commit d527c860f5a3f0ed687bd03f0cb464612dc23408)
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Introduced in commit 2180fee114b778515b3f560e5ff1e795282e60b0 ("Check length of
ifname before copying it into to ifreq structure."), fixing bug 22442.
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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--- Comment #4 from Cyker Way <cykerway at gmail dot com> ---
typo: work* in progress. I mean the current implementation obviously doesn't
conform to posix 2008 but its man page says so. Either there's work in progress
or there's a bug.
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Subject: [Bug malloc/15321] malloc/free can't give the memory back to kernel when main_arena is discontinous
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hehongjun <He.Hongjun at zte dot com.cn> changed:
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--- Comment #17 from hehongjun <He.Hongjun at zte dot com.cn> ---
Created attachment 11415
--> https://sourceware.org/bugzilla/attachment.cgi?id=11415&action=edit
fix the discontinuous main arena
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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Andreas Schwab <schwab@linux-m68k.org> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
There is no non-conformance.
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>From glibc-bugs-return-43928-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 28 11:26:00 2018
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |adhemerval.zanella at linaro dot o
| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #0)
> At least on x86-64, the Go linker is broken and does not link against
> crt1.o. Instead, the executable entry point looks like this:
>
> 0000000000459ad0 <_rt0_amd64_linux>:
> 459ad0: lea 0x8(%rsp),%rsi
> 459ad5: mov (%rsp),%rdi
> 459ad9: lea 0x10(%rip),%rax # 459af0 <main>
> 459ae0: jmpq *%rax
>
> And:
>
> 0000000000459af0 <main>:
> 459af0: lea -0x3dd7(%rip),%rax # 455d20 <runtime.rt0_go>
> 459af7: jmpq *%rax
>
> So the proper libc.so.6 initialization sequence is never used.
>
> As a result, various glibc functionality will not work correctly. We
> probably need to take this into account when making future changes to
> __libc_start_main, so that those broken Go binaries keep working.
I assume this is gccgo, which is the current functionalities it uses from libc?
Because if it is doing this it signals to me it does not really care about
libc.so.6 ABI stability.
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>From glibc-bugs-return-43929-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 28 12:49:19 2018
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
Date: Wed, 28 Nov 2018 12:49:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
No, gccgo does not use the Go linker, so it is not affected by this issue
(unless you build with -nostdlib etc., but then it's your fault of course).
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>From glibc-bugs-return-43930-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 28 13:33:35 2018
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
Date: Wed, 28 Nov 2018 13:33:00 -0000
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Right, I am not familiar with go toolchain, but using a simple example with
go1.11.2 I see:
$ cat main.go
package main
import "fmt"
func main() {
fmt.Println("Hello, world.")
}
$ go tool compile main.go
$ go tool link -linkmode external main.o
$ ldd a.out
linux-vdso.so.1 (0x00007ffec03fd000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007fe33f8bb000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fe33f4ca000)
/lib64/ld-linux-x86-64.so.2 (0x00007fe33fada000)
$ gdb ./a.out
[...]
>>> b _start
[...]
>>> r
[...]
>>> disas
Dump of assembler code for function _start:
0x0000000000401520 <+0>: xor %ebp,%ebp
=> 0x0000000000401522 <+2>: mov %rdx,%r9
0x0000000000401525 <+5>: pop %rsi
0x0000000000401526 <+6>: mov %rsp,%rdx
0x0000000000401529 <+9>: and $0xfffffffffffffff0,%rsp
0x000000000040152d <+13>: push %rax
0x000000000040152e <+14>: push %rsp
0x000000000040152f <+15>: lea 0x84f7a(%rip),%r8 # 0x4864b0
<__libc_csu_fini>
0x0000000000401536 <+22>: lea 0x84f03(%rip),%rcx # 0x486440
<__libc_csu_init>
0x000000000040153d <+29>: lea 0x4dc7c(%rip),%rdi # 0x44f1c0
<main>
0x0000000000401544 <+36>: callq *0x138a86(%rip) # 0x539fd0
0x000000000040154a <+42>: hlt
And 'callq *0x138a86(%rip)' indeed calls __libc_start_main. Also if I break at
main:
>>> bt
#0 main () at /snap/go/3039/src/runtime/asm_amd64.s:23
#1 0x00007ffff77e6b97 in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#2 0x000000000040154a in _start ()
I am failing to see in which scenario Go linker or runtime is not calling
_libc_start_main.
However, in the case Go linker is indeed not calling __libc_start_main for some
reason/version/build option I am not convinced we should consider a glibc bug.
It imposes glibc a constraint that we do not initially design or intended
because a runtime is using the API in way not specified.
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #3)
> $ go tool link -linkmode external main.o
“-linkmode external†selects the system (binutils/GCC) linker. The problem is
with the Go (internal) linker.
> I am failing to see in which scenario Go linker or runtime is not calling
> _libc_start_main.
It happens if the Go linker is used to produce a dynamically linked executable.
For example, this happens if a pure Go (no cgo) program indirectly calls
getaddrinfo or anything else that needs NSS.
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
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--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #4)
> (In reply to Adhemerval Zanella from comment #3)
> > $ go tool link -linkmode external main.o
>
> “-linkmode external†selects the system (binutils/GCC) linker. The problem
> is with the Go (internal) linker.
>
> > I am failing to see in which scenario Go linker or runtime is not calling
> > _libc_start_main.
>
> It happens if the Go linker is used to produce a dynamically linked
> executable. For example, this happens if a pure Go (no cgo) program
> indirectly calls getaddrinfo or anything else that needs NSS.
Right, so the question is whether it is really an issue we glibc and if we
should aim to provide any compatibility with these go binaries. Do we really
want to put this kind of constraints in glibc development?
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #5)
> Right, so the question is whether it is really an issue we glibc and if we
> should aim to provide any compatibility with these go binaries. Do we really
> want to put this kind of constraints in glibc development?
Not really, but I doubt we have much choice here. We need to keep support for
these broken Go binaries, as a practical matter.
I'm more disappointed that the Go maintainers refuse to fix their linker
(https://github.com/golang/go/issues/28909#issuecomment-441823877 and
https://github.com/golang/go/issues/28909#issuecomment-442088806; Ian is of
course not just some random bystander).
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--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
As their official position apparently is that internal linking is not for GNU,
I wouldn't care a jota.
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
Date: Wed, 28 Nov 2018 14:55:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #7)
> As their official position apparently is that internal linking is not for
> GNU, I wouldn't care a jota.
Do you mean GNU as in i686-gnu aka Hurd?
To be absolutely clear, if such binaries stop working, we will break the Go
bootstrapping chain because /usr/bin/go is itself linked using the internal Go
linker, so it does not call __libc_start_main.
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Subject: [Bug libc/23912] Go binaries do not call __libc_start_main
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--- Comment #9 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #8)
> (In reply to Andreas Schwab from comment #7)
> > As their official position apparently is that internal linking is not for
> > GNU, I wouldn't care a jota.
>
> Do you mean GNU as in i686-gnu aka Hurd?
>
> To be absolutely clear, if such binaries stop working, we will break the Go
> bootstrapping chain because /usr/bin/go is itself linked using the internal
> Go linker, so it does not call __libc_start_main.
Recently a change on glibc 2.28 broke all electron binaries [1]. The change was
e7feec374c (elf: Correct absolute (SHN_ABS) symbol run-time calculation [BZ
#19818]) and issue for electron was, in fact, a lld bug that creates wrong
relocations. Should glibc proceed in the same manner and avoid program breakage
even when the issue is not from glibc itself?
I am bringing this up because ihmo the underlying issue is the same: how should
we proceed for compatibility when the programs are either abusing the interface
or relying on undefined behavior? As Andreas has put, it is even worse because
from a go standpoint they really do not care about it.
I am more inclined to state glibcs supports only linking against crt1.o and it
is up to toolchain to emulate it correctly.
[1] https://github.com/electron/electron/issues/13972#issuecomment-416744061
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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Cyker Way <cykerway at gmail dot com> changed:
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----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|INVALID |---
--- Comment #6 from Cyker Way <cykerway at gmail dot com> ---
Well let me be slightly verbose:
POSIX has **two** requirements in 2.13.3#1:
1. The <slash> character in a pathname shall be explicitly matched by using one
or more <slash> characters in the pattern; it shall neither be matched by the
<asterisk> or <question-mark> special characters nor by a bracket expression.
2. If a <slash> character is found following an unescaped <left-square-bracket>
character before a corresponding <right-square-bracket> is found, the open
bracket shall be treated as an ordinary character. For example, the pattern
"a[b/c]d" does not match such pathnames as abd or a/d. It only matches a
pathname of literally a[b/c]d.
The glibc FNM_PATHNAME implementation only conforms to the first requirement,
not the second one. I think you are aware of this issue because you said:
> The description of FNM_PATHNAME in fnmatch only repeats the first sentence from 2.13.3#1, not the rest of it.
So the glibc FNM_PATHNAME implementation only conforms to **its own man page**
(which in turn only partially documents POSIX requirements), not **POSIX**
itself, and is violating the very example provided by POSIX. Put it another
way, the glibc implementation, together with its documentation, does not fully
conform to POSIX (even if glibc implementation conforms to its own
documentation). Users, when using a fully POSIX-compliant library, would expect
pathname pattern "a[b/c]d" to match string "a[b/c]d" not "abd", but glibc is
producing the opposite.
To summarize what I said:
[glibc impl] --conform-> [glibc doc] --non-conform-> [posix]
Therefore:
[glibc impl] --non-conform-> [posix]
You could say glibc FNM_PATHNAME, by design, is not an implementation of
2.13.3#1, but then I still don't see where 2.13.3#1 is fully implemented in
glibc. In that case a POSIX functionality is missing so the implementation is
still not POSIX-compliant.
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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Andreas Schwab <schwab@linux-m68k.org> changed:
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----------------------------------------------------------------------------
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Resolution|--- |INVALID
--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
The fnmatch description is coming from POSIX, which does _not_ refer to
2.13.3#1.
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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--- Comment #8 from Cyker Way <cykerway at gmail dot com> ---
POSIX fnmatch function page
<http://pubs.opengroup.org/onlinepubs/9699919799.2008edition/functions/fnmatch.html>
doesn't mention 2.13.3#1 directly, but it clearly referred to both 2.13.1 and
2.13.2.
Then, the first sentence of 2.13.3 says:
The rules described so far in Patterns Matching a Single Character and Patterns
Matching Multiple Characters **are qualified by the following rules that
apply** when pattern matching notation is used for filename expansion...
This essentially means the rules of 2.13.1 and 2.13.2 are limited by additional
requirements that must be satisfied for pathname expansion. If you don't
satisfy these additional requirements, then you are not conforming to these
rules (and POSIX in general). So your argument holds only if you claim
FNM_PATHNAME is not for pathname expansion, which IMHO doesn't have much
ground. I don't flip this thread as UNCONFIRMED again, but I still strongly
believe this is indeed a bug.
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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--- Comment #9 from Andreas Schwab <schwab@linux-m68k.org> ---
There are references to 2.13.1 and 2.13.2, and to 2.13.3#2 in the FNM_PERIOD.
There is _no_ reference to 2.13.3#1.
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Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
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--- Comment #10 from Cyker Way <cykerway at gmail dot com> ---
> There is _no_ reference to 2.13.3#1.
It doesn't have to be directly referenced to apply. It automatically applies
wherever it says it shall apply. If you are not conforming to any term in
POSIX, then you are not conforming to POSIX.
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--- Comment #11 from Andreas Schwab <schwab@linux-m68k.org> ---
fnmatch is not about filename expansion.
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>From glibc-bugs-return-43943-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 29 15:08:57 2018
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From: "jason.duerstock at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23934] New: glibc 2.28 test suite reports multiple failures on ia64
Date: Thu, 29 Nov 2018 15:08:00 -0000
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Bug ID: 23934
Summary: glibc 2.28 test suite reports multiple failures on
ia64
Product: glibc
Version: 2.28
Status: UNCONFIRMED
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Priority: P2
Component: libc
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CC: drepper.fsp at gmail dot com
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The glibc test suite for 2.28 fails on ia64, primarily in the math tests. At
least regarding the math failures, is it possible to switch them to the generic
versions rather than the ia64 assembly code?
The Debian build log is here:
https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=ia64&ver=2.28-1&stamp=1543498085&raw=0
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>From glibc-bugs-return-43944-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 29 15:21:35 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23934] glibc 2.28 test suite reports multiple failures on ia64
Date: Thu, 29 Nov 2018 15:21:00 -0000
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John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> changed:
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| |e
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>From glibc-bugs-return-43945-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 29 15:34:33 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23934] glibc 2.28 test suite reports multiple failures on ia64
Date: Thu, 29 Nov 2018 15:34:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Please don't file this sort of omnibus bug for "multiple failures". There is
no way of telling whether "multiple failures" are fixed or not, and our system
for generating lists of fixed bugs for the NEWS file using
scripts/list-fixed-bugs.py relies on each bug being either fixed or not fixed -
not having bugs that are partly fixed and partly unfixed. A separate bug is
needed for each separate user-visible issue that doesn't already have one and
might reasonably be fixed separately; only closely-related issues that would
naturally be fixed together in a single commit should share a bug report.
See https://sourceware.org/ml/libc-alpha/2018-02/msg00014.html and thread for
discussion of these failures and possible issues with fixing via changing the
implementation used, and of how many are actually likely to be fixable via the
ia64-specific C code (not requiring changes to the assembly code). To points
(a) through (d) in that message I should also add:
(e) The ia64-specific libm has its own variant of SVID error handling that uses
matherrf and matherrl as well as matherr. So switching any function that uses
that error handling to use generic wrappers instead would break ABI
compatibility. (And the ia64-specific error handling isn't set up to be
readily usable as a wrapper to the generic function implementations.)
(There are of course some functions with no error handling and no _finite
variants, for which switching the generic versions might be easier if generic
ldbl-96 versions exist at all, although that doesn't necessarily mean switching
is the right fix in each case.)
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>From glibc-bugs-return-43946-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 29 15:38:21 2018
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From: "cykerway at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/23926] fnmatch with FNM_PATHNAME is not POSIX compliant
Date: Thu, 29 Nov 2018 15:38:00 -0000
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--- Comment #12 from Cyker Way <cykerway at gmail dot com> ---
> So your argument holds only if you claim FNM_PATHNAME is not for pathname expansion.
Well, you finally claimed it. But then what would FNM_PATHNAME be designed for?
POSIX says:
<http://pubs.opengroup.org/onlinepubs/9699919799.2008edition/functions/fnmatch.html>
> With the FNM_PATHNAME flag, fnmatch() does match pathnames...
Thus it's clear FNM_PATHNAME is for matching pathnames. Now your ultimate
defense is: pathname matching is not pathname expansion.
Sounds logical :/
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been updated
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from ce6ba630dbc96f49eb1f30366aa62261df4792f9 (commit)
Those revisions listed above that are new to this repository have
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revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa
commit b8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa
Author: DJ Delorie <dj@delorie.com>
Date: Tue Nov 20 13:24:09 2018 -0500
malloc: tcache double free check
* malloc/malloc.c (tcache_entry): Add key field.
(tcache_put): Set it.
(tcache_get): Likewise.
(_int_free): Check for double free in tcache.
* malloc/tst-tcfree1.c: New.
* malloc/tst-tcfree2.c: New.
* malloc/Makefile: Run the new tests.
* manual/probes.texi: Document memory_tcache_double_free probe.
* dlfcn/dlerror.c (check_free): Prevent double frees.
(cherry picked from commit bcdaad21d4635931d1bd3b54a7894276925d081d)
malloc: tcache: Validate tc_idx before checking for double-frees [BZ
#23907]
The previous check could read beyond the end of the tcache entry
array. If the e->key == tcache cookie check happened to pass, this
would result in crashes.
(cherry picked from commit affec03b713c82c43a5b025dddc21bde3334f41e)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 20 +++++++++
dlfcn/dlerror.c | 5 ++-
malloc/Makefile | 1 +
malloc/malloc.c | 40 ++++++++++++++++---
.../x86/tst-cet-legacy-1.c => malloc/tst-tcfree1.c | 36 ++++++++---------
.../x86/tst-cet-legacy-1.c => malloc/tst-tcfree2.c | 42 +++++++++++---------
manual/probes.texi | 12 ++++++
7 files changed, 111 insertions(+), 45 deletions(-)
copy sysdeps/x86/tst-cet-legacy-1.c => malloc/tst-tcfree1.c (67%)
copy sysdeps/x86/tst-cet-legacy-1.c => malloc/tst-tcfree2.c (60%)
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>From glibc-bugs-return-43948-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 30 09:56:24 2018
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Subject: [Bug libc/21327] Libstdc++ would like another way to get some POSIX declarations that it currently gets via _GNU_SOURCE
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Subject: [Bug libc/23202] tst-pkeys fails on POWER
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Tulio Magno Quites Machado Filho <tuliom at linux dot ibm.com> changed:
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
Date: Fri, 30 Nov 2018 20:08:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e5d262effe3a87164308a3f37e61b32d0348692a
commit e5d262effe3a87164308a3f37e61b32d0348692a
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date: Fri Nov 30 18:05:32 2018 -0200
Fix _dl_profile_fixup data-dependency issue (Bug 23690)
There is a data-dependency between the fields of struct l_reloc_result
and the field used as the initialization guard. Users of the guard
expect writes to the structure to be observable when they also observe
the guard initialized. The solution for this problem is to use an acquire
and release load and store to ensure previous writes to the structure are
observable if the guard is initialized.
The previous implementation used DL_FIXUP_VALUE_ADDR (l_reloc_result->addr)
as the initialization guard, making it impossible for some architectures
to load and store it atomically, i.e. hppa and ia64, due to its larger
size.
This commit adds an unsigned int to l_reloc_result to be used as the new
initialization guard of the struct, making it possible to load and store
it atomically in all architectures. The fix ensures that the values
observed in l_reloc_result are consistent and do not lead to crashes.
The algorithm is documented in the code in elf/dl-runtime.c
(_dl_profile_fixup). Not all data races have been eliminated.
Tested with build-many-glibcs and on powerpc, powerpc64, and powerpc64le.
[BZ #23690]
* elf/dl-runtime.c (_dl_profile_fixup): Guarantee memory
modification order when accessing reloc_result->addr.
* include/link.h (reloc_result): Add field init.
* nptl/Makefile (tests): Add tst-audit-threads.
(modules-names): Add tst-audit-threads-mod1 and
tst-audit-threads-mod2.
Add rules to build tst-audit-threads.
* nptl/tst-audit-threads-mod1.c: New file.
* nptl/tst-audit-threads-mod2.c: Likewise.
* nptl/tst-audit-threads.c: Likewise.
* nptl/tst-audit-threads.h: Likewise.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++++
elf/dl-runtime.c | 48 ++++++++++++++++++--
include/link.h | 4 ++
nptl/Makefile | 14 +++++-
nptl/tst-audit-threads-mod1.c | 74 +++++++++++++++++++++++++++++++
nptl/tst-audit-threads-mod2.c | 22 +++++++++
nptl/tst-audit-threads.c | 97 +++++++++++++++++++++++++++++++++++++++++
nptl/tst-audit-threads.h | 92 ++++++++++++++++++++++++++++++++++++++
8 files changed, 359 insertions(+), 7 deletions(-)
create mode 100644 nptl/tst-audit-threads-mod1.c
create mode 100644 nptl/tst-audit-threads-mod2.c
create mode 100644 nptl/tst-audit-threads.c
create mode 100644 nptl/tst-audit-threads.h
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
Date: Fri, 30 Nov 2018 20:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23690
--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Is the commit a full fix for the reported bug (in which case it should be
resolved as FIXED with target milestone set to 2.29), or not?
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
Date: Fri, 30 Nov 2018 20:41:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at ascii dot art.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #5 from Tulio Magno Quites Machado Filho <tuliom at ascii dot art.br> ---
Fixed on master.
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/17490] popen should not invoke atfork handlers
Date: Fri, 30 Nov 2018 21:10:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5fb7fc96350575c9adb1316833e48ca11553be49
commit 5fb7fc96350575c9adb1316833e48ca11553be49
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Oct 24 16:29:38 2018 -0300
posix: Use posix_spawn on system
This patch uses posix_spawn on system implementation. On Linux this has
the advantage of much lower memory consumption (usually 32 Kb minimum for
the mmap stack area).
Although POSIX does not require, glibc system implementation aims to be
thread and cancellation safe. The cancellation code is moved to generic
implementation and enabled iff SIGCANCEL is defined (similar on how the
cancellation handler is enabled on nptl-init.c).
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu,
arm-linux-gnueabihf, and powerpc64le-linux-gnu.
* sysdeps/unix/sysv/linux/spawni.c (__spawni_child): Use
__sigismember instead of sigismember.
* sysdeps/posix/system.c [SIGCANCEL] (cancel_handler_args,
cancel_handler): New definitions.
(CLEANUP_HANDLER, CLEANUP_RESET): Likewise.
(DO_LOCK, DO_UNLOCK, INIT_LOCK, ADD_REF, SUB_REF): Remove.
(do_system): Use posix_spawn instead of fork and execl and remove
reentracy code.
* sysdeps/generic/not-errno.h (__kill_noerrno): New prototype.
* sysdeps/unix/sysv/linux/not-errno.h (__kill_noerrno): Likewise.
* sysdeps/unix/sysv/linux/ia64/system.c: Remove file.
* sysdeps/unix/sysv/linux/s390/system.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/system.c: Likewise.
* sysdeps/unix/sysv/linux/system.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14d0e87d9b8caaa2eca7ca81f1189596671fe4fb
commit 14d0e87d9b8caaa2eca7ca81f1189596671fe4fb
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Sep 12 10:32:05 2018 -0300
posix: Use posix_spawn on popen
This patch uses posix_spawn on popen instead of fork and execl. On Linux
this has the advantage of much lower memory consumption (usually 32 Kb
minimum for the mmap stack area).
Two issues are also fixed with this change:
* BZ#17490: although POSIX pthread_atfork description only list 'fork'
as the function that should execute the atfork handlers, popen
description states that:
'[...] shall be *as if* a child process were created within the
popen()
call using the fork() function [...]'
Other libc/system seems to follow the idea atfork handlers should not
be
executed for popen:
libc/system | run atfork handles | notes
------------|----------------------|---------------------------------------
Freebsd | no | uses vfork
Solaris 11 | no |
MacOSX 11 | no | implemented through posix_spawn
syscall
------------|----------------------|----------------------------------------
Similar to posix_spawn and system, popen idea is to spawn a different
binary so all the POSIX rationale to run the atfork handlers to avoid
internal process inconsistency is not really required and in some cases
might be unsafe.
* BZ#22834: the described scenario, where the forked process might access
invalid memory due an inconsistent state in multithreaded environment,
should not happen because posix_spawn does not access the affected
data structure (proc_file_chain).
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #22834]
[BZ #17490]
* NEWS: Add new semantic for atfork with popen and system.
* libio/iopopen.c (_IO_new_proc_open): use posix_spawn instead of
fork and execl.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 ++++
NEWS | 6 +
libio/iopopen.c | 134 +++++++++++++++--------
sysdeps/generic/not-errno.h | 2 +
sysdeps/posix/system.c | 189 +++++++++++++++++---------------
sysdeps/unix/sysv/linux/ia64/system.c | 30 -----
sysdeps/unix/sysv/linux/not-errno.h | 14 +++
sysdeps/unix/sysv/linux/s390/system.c | 29 -----
sysdeps/unix/sysv/linux/sparc/system.c | 29 -----
sysdeps/unix/sysv/linux/spawni.c | 4 +-
sysdeps/unix/sysv/linux/system.c | 76 -------------
11 files changed, 231 insertions(+), 303 deletions(-)
delete mode 100644 sysdeps/unix/sysv/linux/ia64/system.c
delete mode 100644 sysdeps/unix/sysv/linux/s390/system.c
delete mode 100644 sysdeps/unix/sysv/linux/sparc/system.c
delete mode 100644 sysdeps/unix/sysv/linux/system.c
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/22834] Subprocess forked by popen may crash in Linux when multithreads call popen
Date: Fri, 30 Nov 2018 21:10:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5fb7fc96350575c9adb1316833e48ca11553be49
commit 5fb7fc96350575c9adb1316833e48ca11553be49
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Oct 24 16:29:38 2018 -0300
posix: Use posix_spawn on system
This patch uses posix_spawn on system implementation. On Linux this has
the advantage of much lower memory consumption (usually 32 Kb minimum for
the mmap stack area).
Although POSIX does not require, glibc system implementation aims to be
thread and cancellation safe. The cancellation code is moved to generic
implementation and enabled iff SIGCANCEL is defined (similar on how the
cancellation handler is enabled on nptl-init.c).
Checked on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu,
arm-linux-gnueabihf, and powerpc64le-linux-gnu.
* sysdeps/unix/sysv/linux/spawni.c (__spawni_child): Use
__sigismember instead of sigismember.
* sysdeps/posix/system.c [SIGCANCEL] (cancel_handler_args,
cancel_handler): New definitions.
(CLEANUP_HANDLER, CLEANUP_RESET): Likewise.
(DO_LOCK, DO_UNLOCK, INIT_LOCK, ADD_REF, SUB_REF): Remove.
(do_system): Use posix_spawn instead of fork and execl and remove
reentracy code.
* sysdeps/generic/not-errno.h (__kill_noerrno): New prototype.
* sysdeps/unix/sysv/linux/not-errno.h (__kill_noerrno): Likewise.
* sysdeps/unix/sysv/linux/ia64/system.c: Remove file.
* sysdeps/unix/sysv/linux/s390/system.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/system.c: Likewise.
* sysdeps/unix/sysv/linux/system.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=14d0e87d9b8caaa2eca7ca81f1189596671fe4fb
commit 14d0e87d9b8caaa2eca7ca81f1189596671fe4fb
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Sep 12 10:32:05 2018 -0300
posix: Use posix_spawn on popen
This patch uses posix_spawn on popen instead of fork and execl. On Linux
this has the advantage of much lower memory consumption (usually 32 Kb
minimum for the mmap stack area).
Two issues are also fixed with this change:
* BZ#17490: although POSIX pthread_atfork description only list 'fork'
as the function that should execute the atfork handlers, popen
description states that:
'[...] shall be *as if* a child process were created within the
popen()
call using the fork() function [...]'
Other libc/system seems to follow the idea atfork handlers should not
be
executed for popen:
libc/system | run atfork handles | notes
------------|----------------------|---------------------------------------
Freebsd | no | uses vfork
Solaris 11 | no |
MacOSX 11 | no | implemented through posix_spawn
syscall
------------|----------------------|----------------------------------------
Similar to posix_spawn and system, popen idea is to spawn a different
binary so all the POSIX rationale to run the atfork handlers to avoid
internal process inconsistency is not really required and in some cases
might be unsafe.
* BZ#22834: the described scenario, where the forked process might access
invalid memory due an inconsistent state in multithreaded environment,
should not happen because posix_spawn does not access the affected
data structure (proc_file_chain).
Checked on x86_64-linux-gnu and i686-linux-gnu.
[BZ #22834]
[BZ #17490]
* NEWS: Add new semantic for atfork with popen and system.
* libio/iopopen.c (_IO_new_proc_open): use posix_spawn instead of
fork and execl.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 ++++
NEWS | 6 +
libio/iopopen.c | 134 +++++++++++++++--------
sysdeps/generic/not-errno.h | 2 +
sysdeps/posix/system.c | 189 +++++++++++++++++---------------
sysdeps/unix/sysv/linux/ia64/system.c | 30 -----
sysdeps/unix/sysv/linux/not-errno.h | 14 +++
sysdeps/unix/sysv/linux/s390/system.c | 29 -----
sysdeps/unix/sysv/linux/sparc/system.c | 29 -----
sysdeps/unix/sysv/linux/spawni.c | 4 +-
sysdeps/unix/sysv/linux/system.c | 76 -------------
11 files changed, 231 insertions(+), 303 deletions(-)
delete mode 100644 sysdeps/unix/sysv/linux/ia64/system.c
delete mode 100644 sysdeps/unix/sysv/linux/s390/system.c
delete mode 100644 sysdeps/unix/sysv/linux/sparc/system.c
delete mode 100644 sysdeps/unix/sysv/linux/system.c
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/17490] popen should not invoke atfork handlers
Date: Fri, 30 Nov 2018 21:12:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (commit 14d0e87d9b8caaa2eca7ca81f1189596671fe4fb).
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/22834] Subprocess forked by popen may crash in Linux when multithreads call popen
Date: Fri, 30 Nov 2018 21:13:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.29
--- Comment #6 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (commit 14d0e87d9b8caaa2eca7ca81f1189596671fe4fb)
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Subject: [Bug libc/19767] vdso is not used with static linking
Date: Fri, 30 Nov 2018 22:33:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 15b8d67e29142251a30576b5ab469051a8833e97
Author: Rafael �vila de Esp�ndola <rafael@espindo.la>
Date: Fri Nov 30 14:32:35 2018 -0800
Enable VDSO on i386 statically linked programs
[BZ #19767]
* sysdeps/unix/sysv/linux/i386/init-first.c: Don't check SHARED.
* sysdeps/unix/sysv/linux/i386/sysdep.h (ALWAYS_USE_VSYSCALL):
New.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/sysv/linux/i386/init-first.c | 12 +++++-------
sysdeps/unix/sysv/linux/i386/sysdep.h | 3 +++
3 files changed, 15 insertions(+), 7 deletions(-)
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug hurd/23943] New: Random hurd build failure
Date: Fri, 30 Nov 2018 22:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23943
Bug ID: 23943
Summary: Random hurd build failure
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: hurd
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: tschwinge at sourceware dot org
Target Milestone: ---
Target: hurd
On a machine with 112 cores, I got
echo '#include <hurd/pci.defs>' | CC='i686-glibc-gnu-gcc'
CPP='i686-glibc-gnu-gcc -E -x c' i686-glibc-gnu-mig - /dev/null -DSTANDALONE
-DTypeCheck=0 -I../include
-I/export/ssd/build/tools-build/glibc-many/build/glibcs/i686-gnu/glibc/hurd
-I/export/ssd/build/tools-build/glibc-many/build/glibcs/i686-gnu/glibc
-I../sysdeps/mach/hurd/i386 -I../sysdeps/mach/hurd/x86
-I../sysdeps/mach/hurd/i386/htl -I../sysdeps/mach/hurd/htl
-I../sysdeps/hurd/htl -I../sysdeps/mach/htl -I../sysdeps/htl
-I../sysdeps/pthread -I../sysdeps/i386/htl -I../sysdeps/mach/hurd
-I../sysdeps/gnu -I../sysdeps/unix/bsd -I../sysdeps/unix/inet
-I../sysdeps/mach/i386 -I../sysdeps/mach/include -I../sysdeps/mach
-I../sysdeps/i386/i686/fpu -I../sysdeps/i386/i686 -I../sysdeps/i386/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/i386
-I../sysdeps/x86 -I../sysdeps/wordsize-32 -I../sysdeps/ieee754/float128
-I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/hurd/include -I../sysdeps/hurd -I../sysdeps/unix
-I../sysdeps/posix -I../sysdeps/ieee754 -I../sysdeps/generic -I../hurd
-I/export/ssd/build/tools-build/glibc-many/build/glibcs/i686-gnu/glibc/hurd/
-I../mach
-I/export/ssd/build/tools-build/glibc-many/build/glibcs/i686-gnu/glibc/mach/
-I.. -I../libio -I. -subrprefix __ -header
/export/ssd/build/tools-build/glibc-many/build/glibcs/i686-gnu/glibc/hurd/hurd/pci.uh
-server /dev/null -user /dev/null
<stdin>:1:10: fatal error: hurd/pci.defs: No such file or directory
compilation terminated.
mig: fatal: no SubSystem declaration
at random.
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Subject: [Bug libc/20544] RFE: atexit, __cxa_atexit, on_exit should assert function pointer argument is non-NULL
Date: Sat, 01 Dec 2018 07:37:00 -0000
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commit 8e67b39eb4a3abb6f3e35de3ad6e5d06ed0e8498
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat Sep 1 10:50:41 2018 -0700
stdlib: assert on NULL function pointer in atexit etc. [BZ #20544]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++
stdlib/Makefile | 2 +-
stdlib/cxa_atexit.c | 4 ++
stdlib/on_exit.c | 5 ++
stdlib/tst-bz20544.c | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 133 insertions(+), 1 deletions(-)
create mode 100644 stdlib/tst-bz20544.c
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Subject: [Bug libc/20544] RFE: atexit, __cxa_atexit, on_exit should assert function pointer argument is non-NULL
Date: Sat, 01 Dec 2018 07:41:00 -0000
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #11 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed on trunk.
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Subject: [Bug hurd/23943] Random hurd build failure
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It builds fine on a 8-core machine. There must be a race condition.
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Subject: [Bug hurd/23943] Random hurd build failure
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H.J. Lu <hjl.tools at gmail dot com> changed:
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----------------------------------------------------------------------------
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| |g
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
This is caused by
fc783076ec496a55c029be14617ea16a24589f55 is the first bad commit
commit fc783076ec496a55c029be14617ea16a24589f55
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Wed Oct 31 22:43:44 2018 +0100
hurd: Add pci RPC stubs
* hurd/Makefile (user-interfaces): Add pci.
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Subject: [Bug hurd/23943] Random hurd build failure
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--- Comment #3 from Samuel Thibault <samuel.thibault@ens-lyon.org> ---
How are you building glibc in this case?
When using scripts/build-many-glibcs.py, hurd/pci.defs gets installed in
./compilers/i686-gnu/sysroot/include/hurd/pci.defs during the hurd package of
the "compilers" stage.
A -I seems to be missing for that directory in your build log, that's very odd
since the directory just exists from the start.
(pci.defs is not a specific thing, pfinet.defs etc. would have the same issue)
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--- Comment #4 from Samuel Thibault <samuel.thibault@ens-lyon.org> ---
(I'm not getting issues on a 64-core system with scripts/build-many-glibcs.py
-j 100 $build glibcs i686-gnu )
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--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
I am rebuilding my cross compilers.
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Subject: [Bug hurd/23032] sysdeps/htl/pt-barrier-init.c:39: bad call to memcmp ?
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |samuel.thibault@ens-lyon.or
| |g
Resolution|--- |FIXED
--- Comment #1 from Samuel Thibault <samuel.thibault@ens-lyon.org> ---
D'oh, indeed. Thanks!
Fixed by fc493bc9e6fe8ecdd00f79b9a8a3d4675137a602
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Subject: [Bug hurd/23032] sysdeps/htl/pt-barrier-init.c:39: bad call to memcmp ?
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fc493bc9e6fe8ecdd00f79b9a8a3d4675137a602
commit fc493bc9e6fe8ecdd00f79b9a8a3d4675137a602
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat Dec 1 21:39:30 2018 +0100
htl: Fix comparing attr with default values
Fortunately we were previously only missing an optimization.
Thanks dcb <dcb314@hotmail.com> for the report
[BZ #23032]
* sysdeps/htl/pt-barrier-init.c (pthread_barrier_init): Fix comparing
attr with __pthread_default_barrierattr.
* sysdeps/htl/pt-cond-init.c (__pthread_cond_init): Fix comparing
attr with __pthread_default_condattr.
* sysdeps/htl/pt-mutex-init.c (_pthread_mutex_init): Fix comparing
attr with __pthread_default_mutexattr.
* sysdeps/htl/pt-rwlock-init.c (_pthread_rwlock_init): Fix comparing
attr with __pthread_default_rwlockattr.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
sysdeps/htl/pt-barrier-init.c | 2 +-
sysdeps/htl/pt-cond-init.c | 2 +-
sysdeps/htl/pt-mutex-init.c | 2 +-
sysdeps/htl/pt-rwlock-init.c | 2 +-
5 files changed, 16 insertions(+), 4 deletions(-)
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Subject: [Bug hurd/23081] hurd: l_type and l_whence members of flock structure have type int instead of short
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What |Removed |Added
----------------------------------------------------------------------------
Summary|hurd: l_type and l_whence |hurd: l_type and l_whence
|members of flock structure |members of flock structure
|have type short instead of |have type int instead of
|int |short
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-12-01
Summary|hurd: l_type and l_whence |hurd: l_type and l_whence
|members of flock structure |members of flock structure
|have type int instead of |have type short instead of
|short |int
Ever confirmed|0 |1
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Subject: [Bug hurd/23085] hurd: shm_lpid/shm_cpid have type unsigned short instead of pid_t
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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Subject: [Bug hurd/23084] hurd: st_dev has type unsigned long long instead of dev_t (unsigned)
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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Subject: [Bug hurd/23083] hurd: msg_lspid/msg_lrpid have type unsigned short instead of pid_t
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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Subject: [Bug hurd/23082] hurd: uid/gid/cuid/cgid/mode have type unsigned short instead of uid_t and mode_t
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43974-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:34:34 2018
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Subject: [Bug hurd/23086] hurd: f_fsid has type unsigned long long instead of unsigned long
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43975-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:35:23 2018
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Subject: [Bug hurd/23088] hurd: <sys/types.h> exposes sched_param and sched_priority symbols
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43976-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:35:38 2018
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Subject: [Bug hurd/23089] hurd: missing siginfo support
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43977-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:35:51 2018
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Subject: [Bug hurd/23090] hurd: missing SA_NOCLDWAIT support
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43980-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:36:39 2018
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Subject: [Bug hurd/23819] hurd: Add C11 thread support
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43978-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:36:13 2018
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Subject: [Bug hurd/23091] hurd: missing waitid support
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43979-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:36:23 2018
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Subject: [Bug hurd/23286] hurd: should have abilists for libmachuser and libhurduser
Date: Sat, 01 Dec 2018 21:36:00 -0000
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
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>From glibc-bugs-return-43981-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 21:37:00 2018
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From: "samuel.thibault@ens-lyon.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug hurd/23089] hurd: missing siginfo support
Date: Sat, 01 Dec 2018 21:37:00 -0000
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--- Comment #1 from Samuel Thibault <samuel.thibault@ens-lyon.org> ---
An implementation is available in the hurd repo, under branch
t/hurdsig-SA_SIGINFO
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>From glibc-bugs-return-43982-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 01 22:10:54 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug hurd/23943] Random hurd build failure
Date: Sat, 01 Dec 2018 22:10:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to H.J. Lu from comment #5)
> I am rebuilding my cross compilers.
Passed after refreshing my cross compilers.
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>From glibc-bugs-return-43983-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 03 14:58:27 2018
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Subject: [Bug math/10163] [ia64] Errors math testsuite on ia64
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Jason Duerstock <jason.duerstock at gmail dot com> changed:
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>From glibc-bugs-return-43984-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 03 15:22:32 2018
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Subject: [Bug locale/23923] Add --no-hard-links option to localedef
Date: Mon, 03 Dec 2018 15:22:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 8cebd4ffe67bf94508809ea0caa02a4f1d52e8b1 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8cebd4ffe67bf94508809ea0caa02a4f1d52e8b1
commit 8cebd4ffe67bf94508809ea0caa02a4f1d52e8b1
Author: Carlos O'Donell <carlos@redhat.com>
Date: Mon Nov 26 09:51:51 2018 -0500
Add --no-hard-links option to localedef (bug 23923)
Downstream distributions need consistent sets of hardlinks in
order for rpm to operate effectively. This means that even if
locales are built with a high level of parallelism that the
resulting files need to have consistent hardlink counts. The only
way to achieve this is with a post-install hardlink pass using a
program like 'hardlink' (shipped in Fedora).
If the downstream distro wants to post-process the hardlinks then
the time spent in localedef looking up sibling directories and
processing hardlinks is wasted effort.
To optimize the build and install pass we add a --no-hard-links
option to localedef to avoid doing the hardlink optimziation for
size.
Tested on x86_64 with 'make localedata/install-locale-files'
before and after. Without the patch we have files with 100+
hardlink counts. After the patch and running with --no-hard-links
all link counts are 1. This patch also alters the convenience
target 'make localedata/install-locale-files' to use the new
option.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
locale/programs/localedef.c | 10 ++++++++++
locale/programs/localedef.h | 1 +
locale/programs/locfile.c | 21 +++++++++++++++++----
localedata/Makefile | 2 +-
5 files changed, 39 insertions(+), 5 deletions(-)
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>From glibc-bugs-return-43985-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 03 16:38:22 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug hurd/23032] sysdeps/htl/pt-barrier-init.c:39: bad call to memcmp ?
Date: Mon, 03 Dec 2018 16:38:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Please set the target milestone (to the first mainline release that will
have the fix) when resolving a bug as FIXED; that's needed for the
generation of the list of fixed bugs in the NEWS file to work.
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>From glibc-bugs-return-43986-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 03 16:43:46 2018
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Subject: [Bug hurd/23032] sysdeps/htl/pt-barrier-init.c:39: bad call to memcmp ?
Date: Mon, 03 Dec 2018 16:43:00 -0000
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Samuel Thibault <samuel.thibault@ens-lyon.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #4 from Samuel Thibault <samuel.thibault@ens-lyon.org> ---
Ah, ok.
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Subject: [Bug locale/23923] Add --no-hard-links option to localedef
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed in 2.29.
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Subject: [Bug libc/23913] off-by-one in function maybe_script_execute in sysdeps/posix/spawni.c
Date: Mon, 03 Dec 2018 20:24:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f5ec0ea9eaf9753188a0bfa391b101ea8d5efc2b
commit f5ec0ea9eaf9753188a0bfa391b101ea8d5efc2b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Dec 3 18:20:26 2018 -0200
posix: Fix segfault in maybe_script_execute
This patch is essentially 28669f86f6 adjusted for the generic
implementation.
Checked on x86_64-linux-gnu with Linux spawni.c removed. The only
failure is posix/tst-spawn3, which is expected.
[BZ #23913]
* sysdeps/posix/spawni.c (maybe_script_execute):
Increment size of new_argv by one.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/posix/spawni.c | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
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>From glibc-bugs-return-43989-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 03 20:27:13 2018
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Subject: [Bug libc/23913] off-by-one in function maybe_script_execute in sysdeps/posix/spawni.c
Date: Mon, 03 Dec 2018 20:27:00 -0000
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CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
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| |rg
Target Milestone|--- |2.29
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 (commit f5ec0ea9eaf9753188a0bfa391b101ea8d5efc2b)
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Subject: [Bug libc/19767] vdso is not used with static linking
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commit 6af956e5c019637051ba8cfb46cfff9bbe574500
Author: Rafael �vila de Esp�ndola <rafael@espindo.la>
Date: Mon Dec 3 20:59:22 2018 +0000
Enable VDSO for static linking on arm
I have tested that this builds and the resulting program still work.
The kernel in gcc117 (which I ussed for testing) seems to be missing
https://patchwork.kernel.org/patch/10060431/, so the vdso is never used.
[BZ #19767]
* sysdeps/unix/sysv/linux/arm/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/arm/libc-vdso.h: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/arm/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
sysdeps/unix/sysv/linux/arm/init-first.c | 9 ++++-----
sysdeps/unix/sysv/linux/arm/libc-vdso.h | 6 +-----
sysdeps/unix/sysv/linux/arm/sysdep.h | 3 +++
4 files changed, 16 insertions(+), 10 deletions(-)
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Subject: [Bug build/23948] test-container postclean.req does not work.
Date: Tue, 04 Dec 2018 04:32:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
CC| |dj at redhat dot com
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Subject: [Bug build/23948] New: test-container postclean.req does not work.
Date: Tue, 04 Dec 2018 04:32:00 -0000
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Bug ID: 23948
Summary: test-container postclean.req does not work.
Product: glibc
Version: 2.30
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Using the postclean.req stamp in container roots fails to clean the
testroot.root rootfs.
The failure looks like this:
error: test-container.c:352: Unable to fork
The error is ENOMEM from the fork.
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Subject: [Bug build/23948] test-container postclean.req does not work.
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
I need postclean.req in order to implement tests that damage the testrooot.root
rootfs and the test infrastructure needs to clean it up.
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Subject: [Bug libc/23951] New: pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
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https://sourceware.org/bugzilla/show_bug.cgi?id=23951
Bug ID: 23951
Summary: pread64(fd, buf, (size_t)-1, offset) do not works as
expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: wangfangpeng1 at huawei dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Hi
I got the wrong ret value and errno, when call pread64(fd, buf, (size_t)-1,
offset) using 32bit glibc-2.27, under 64bit-linux-4.4; but it works well for
64bit glibc-2.27 and 64bit linux-4.4(this bug can be found in arm64,x86_64… ).
root:/tmp # ./p-x86-32
pread64.ret = 0, errno = 0
root:/tmp # ./p-x86-64
pead64.ret = -1, errno = 14
Furthermore, I find that in 32bit glibc-2.27, sizeof(size_t)==4, but in the
64bit linux kernel sizeof(size_t)==8, and 0xffffffff is a reasonable count for
64bit linux kernel.
So, do you think it’s a bug for glibc to be fixed up?
By the way glibc-2.20 have no such a problem.
Looking forward to your early reply…
Glibc-2.27: sysdeps/unix/sysv/linux/pread64.c
ssize_t
__libc_pread64 (int fd, void *buf, size_t count, off64_t offset)
{
return SYSCALL_CANCEL (pread64, fd, buf, count, SYSCALL_LL64_PRW (offset));
}
Kernel-4.4: fs/read_write.c
SYSCALL_DEFINE4(pread64, unsigned int, fd, char __user *, buf,
size_t, count, loff_t, pos)
{
struct fd f;
ssize_t ret = -EBADF;
if (pos < 0)
return -EINVAL;
f = fdget(fd);
if (f.file) {
ret = -ESPIPE;
if (f.file->f_mode & FMODE_PREAD)
ret = vfs_read(f.file, buf, count, &pos);
fdput(f);
}
return ret;
}
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Subject: [Bug libc/23951] pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Date: Tue, 04 Dec 2018 09:43:00 -0000
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>From glibc-bugs-return-43996-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 04 11:58:51 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23951] pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Date: Tue, 04 Dec 2018 11:58:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Would you please post your test program? Thanks.
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>From glibc-bugs-return-43997-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 04 18:17:59 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23951] pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Date: Tue, 04 Dec 2018 18:17:00 -0000
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
I don't think there is a bug here, as in both cases we pass the arguments
unchanged to the kernel, and return what the kernel reports:
pread64(0, "", 4294967295, 0) = 0
pread64(0, 0x7ffdd658d2d0, 18446744073709551615, 0) = -1 EFAULT (Bad address)
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>From glibc-bugs-return-43998-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 05 07:10:36 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23951] pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Date: Wed, 05 Dec 2018 07:10:00 -0000
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--- Comment #3 from wangfangpeng <wangfangpeng1 at huawei dot com> ---
(In reply to Florian Weimer from comment #1)
> Would you please post your test program? Thanks.
#define _GNU_SOURCE /* or _BSD_SOURCE or _SVID_SOURCE */
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/syscall.h> /* For SYS_xxx definitions */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define TMPFILE "__1234567890"
#define BUF_SIZE 1024
int main()
{
char buf[BUF_SIZE] = {0};
int fd;
int ret;
int err;
fd = open(TMPFILE, O_CREAT | O_RDWR);
if(-1 == fd)
{
perror("open");
return 1;
}
ret = pread64(fd, buf, -1, 1);
printf("#pread64.ret = %d, errno=%d#\n", ret, errno);
if((-1 == ret) && (EFAULT == errno))
{
close(fd);
unlink(TMPFILE);
printf("PASS\n");
return 0;
}
err = errno;
perror("pread64");
printf("err = %d\n", err);
close(fd);
unlink(TMPFILE);
printf("FAIL\n"); return 1;
}
Thanks
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>From glibc-bugs-return-43999-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 05 07:15:57 2018
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Subject: [Bug libc/23951] pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Date: Wed, 05 Dec 2018 07:15:00 -0000
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--- Comment #4 from wangfangpeng <wangfangpeng1 at huawei dot com> ---
(In reply to Andreas Schwab from comment #2)
> I don't think there is a bug here, as in both cases we pass the arguments
> unchanged to the kernel, and return what the kernel reports:
>
> pread64(0, "", 4294967295, 0) = 0
>
> pread64(0, 0x7ffdd658d2d0, 18446744073709551615, 0) = -1 EFAULT (Bad address)
You mean this is a kernel bug，not a glibc bug?
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>From glibc-bugs-return-44002-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 05 18:41:29 2018
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https://sourceware.org/bugzilla/show_bug.cgi?id=23955
Bug ID: 23955
Summary: Document the memory model
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: manual
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: mtk.manpages at gmail dot com
Target Milestone: ---
Flags: security-
The manual currently lacks documentation of the C/C++ memory and how glibc
interfaces interact with it.
Particularly noteworthy are:
* The behavior of synchronization primitives, including those that may operate
across processes.
* The interaction of the memory model with system calls used for communication
(e.g., sockets) and synchronization (e.g., advisory locking).
* Commonly accepted and supported behavior of signal handlers which are not
specified by the language standards.
* The GCC extension that certain plain memory accesses act as if they had
relaxed memory order.
* The behavior of functions which imply some sort of fence, such as the
cacheflush function, the fork function, and the upcoming membarrier function.
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>From glibc-bugs-return-44003-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 05 20:55:44 2018
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Subject: [Bug libc/11319] dprintf doesn't handle errors properly
Date: Wed, 05 Dec 2018 20:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=11319
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=35caceb145ff23340edcd67dd813bfd95f1ff6e6
commit 35caceb145ff23340edcd67dd813bfd95f1ff6e6
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:32:04 2018 -0500
Use PRINTF_LDBL_IS_DBL instead of __ldbl_is_dbl.
After all that prep work, nldbl-compat.c can now use PRINTF_LDBL_IS_DBL
instead of __no_long_double to control the behavior of printf-like
functions; this is the last thing we needed __no_long_double for, so it
can go away entirely.
Tested for powerpc and powerpc64le.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e2f43f842ef5e253cc23383645adbaa03cedb86
commit 4e2f43f842ef5e253cc23383645adbaa03cedb86
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:32:03 2018 -0500
Use PRINTF_FORTIFY instead of _IO_FLAGS2_FORTIFY (bug 11319)
The _chk variants of all of the printf functions become much simpler.
This is the last thing that we needed _IO_acquire_lock_clear_flags2
for, so it can go as well. I took the opportunity to make the headers
included and the names of all local variables consistent across all the
affected files.
Since we ultimately want to get rid of __no_long_double as well, it
must be possible to get all of the nontrivial effects of the _chk
functions by calling the _internal functions with appropriate flags.
For most of the __(v)xprintf_chk functions, this is covered by
PRINTF_FORTIFY plus some up-front argument checks that can be
duplicated. However, __(v)sprintf_chk installs a custom jump table so
that it can crash instead of overflowing the output buffer. This
functionality is moved to __vsprintf_internal, which now has a
'maxlen' argument like __vsnprintf_internal; to get the unsafe
behavior of ordinary (v)sprintf, pass -1 for that argument.
obstack_printf_chk and obstack_vprintf_chk are no longer in the same
file.
As a side-effect of the unification of both fortified and non-fortified
vdprintf initialization, this patch fixes bug 11319 for __dprintf_chk
and __vdprintf_chk, which was previously fixed only for dprintf and
vdprintf by the commit
commit 7ca890b88e6ab7624afb1742a9fffb37ad5b3fc3
Author: Ulrich Drepper <drepper@redhat.com>
Date: Wed Feb 24 16:07:57 2010 -0800
Fix reporting of I/O errors in *dprintf functions.
This patch adds a test case to avoid regressions.
Tested for powerpc and powerpc64le.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=124fc732c15ef37b7ee9db25b1e9f9b20c799623
commit 124fc732c15ef37b7ee9db25b1e9f9b20c799623
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:32:02 2018 -0500
Add __vsyslog_internal, with same flags as __v*printf_internal.
__nldbl___vsyslog_chk will ultimately want to pass PRINTF_LDBL_IS_DBL
down to __vfprintf_internal *as well as* possibly setting PRINTF_FORTIFY.
To make that possible, we need a __vsyslog_internal that takes the
same flags as printf. The code in misc/syslog.c does also get a
little simpler.
Tested for powerpc and powerpc64le.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=698fb75b9ff5ae454a1344b5f9fafa0ca367c555
commit 698fb75b9ff5ae454a1344b5f9fafa0ca367c555
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:32:01 2018 -0500
Add __v*printf_internal with flags arguments
There are a lot more printf variants than there are scanf variants,
and the code for setting up and tearing down their custom FILE
variants around the call to __vf(w)printf is more complicated and
variable. Therefore, I have added _internal versions of all the
v*printf variants, rather than introducing helper routines so that
they can all directly call __vf(w)printf_internal, as was done with
scanf.
As with the scanf changes, in this patch the _internal functions still
look at the environmental mode bits and all callers pass 0 for the
flags parameter.
Several of the affected public functions had _IO_ name aliases that
were not exported (but, in one case, appeared in libio.h anyway);
I was originally planning to leave them as aliases to avoid having
to touch internal callers, but it turns out ldbl_*_alias only work
for exported symbols, so they've all been removed instead. It also
turns out there were hardly any internal callers. _IO_vsprintf and
_IO_vfprintf *are* exported, so those two stick around.
Summary for the changes to each of the affected symbols:
_IO_vfprintf, _IO_vsprintf:
All internal calls removed, thus the internal declarations, as well
as uses of libc_hidden_proto and libc_hidden_def, were also removed.
The external symbol is now exposed via uses of ldbl_strong_alias
to __vfprintf_internal and __vsprintf_internal, respectively.
_IO_vasprintf, _IO_vdprintf, _IO_vsnprintf,
_IO_vfwprintf, _IO_vswprintf,
_IO_obstack_vprintf, _IO_obstack_printf:
All internal calls removed, thus declaration in internal headers
were also removed. They were never exported, so there are no
aliases tying them to the internal functions. I.e.: entirely gone.
__vsnprintf:
Internal calls were always preceded by macros such as
#define __vsnprintf _IO_vsnprintf, and
#define __vsnprintf vsnprintf
The macros were removed and their uses replaced with calls to the
new internal function __vsnprintf_internal. Since there were no
internal calls, the internal declaration was also removed. The
external symbol is preserved with ldbl_weak_alias to ___vsnprintf.
__vfwprintf:
All internal calls converted into calls to __vfwprintf_internal,
thus the internal declaration was removed. The function is now a
wrapper that calls __vfwprintf_internal. The external symbol is
preserved.
__vswprintf:
Similarly, but no external symbol.
__vasprintf, __vdprintf, __vfprintf, __vsprintf:
New internal wrappers. Not exported.
vasprintf, vdprintf, vfprintf, vsprintf, vsnprintf,
vfwprintf, vswprintf,
obstack_vprintf, obstack_printf:
These functions used to be aliases to the respective _IO_* function,
they are now aliases to their respective __* functions.
Tested for powerpc and powerpc64le.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d91798b31ac79914c234c4da7f7e7396bde2d85c
commit d91798b31ac79914c234c4da7f7e7396bde2d85c
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:32:00 2018 -0500
Use SCANF_LDBL_IS_DBL instead of __ldbl_is_dbl.
Change the callers of __vfscanf_internal and __vfwscanf_internal that
want to treat 'long double' as another name for 'double' (all of which
happen to be in sysdeps/ieee754/ldbl-opt/nldbl-compat.c) to communicate
this via the new flags argument, instead of the per-thread variable
__no_long_double and its __ldbl_is_dbl wrapper macro.
Tested for powerpc and powerpc64le.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b87eb3f8feb826ac48463f598fc10476055bee5a
commit b87eb3f8feb826ac48463f598fc10476055bee5a
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:31:59 2018 -0500
Use SCANF_ISOC99_A instead of _IO_FLAGS2_SCANF_STD.
Change the callers of __vfscanf_internal and __vfwscanf_internal that
want C99-compliant behavior to communicate this via the new flags
argument, rather than setting bits on the FILE object. This also
means these functions do not need to do their own locking.
Tested for powerpc and powerpc64le.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=349718d4d7841df46bcc36df9bc2baef4c40d6f5
commit 349718d4d7841df46bcc36df9bc2baef4c40d6f5
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 7 14:31:58 2018 -0500
Add __vfscanf_internal and __vfwscanf_internal with flags arguments.
There are two flags currently defined: SCANF_LDBL_IS_DBL is the mode
used by __nldbl_ scanf variants, and SCANF_ISOC99_A is the mode used
by __isoc99_ scanf variants. In this patch, the new functions honor
these flag bits if they're set, but they still also look at the
corresponding bits of environmental state, and callers all pass zero.
The new functions do *not* have the "errp" argument possessed by
_IO_vfscanf and _IO_vfwscanf. All internal callers passed NULL for
that argument. External callers could theoretically exist, so I
preserved wrappers, but they are flagged as compat symbols and they
don't preserve the three-way distinction among types of errors that
was formerly exposed. These functions probably should have been in
the list of deprecated _IO_ symbols in 2.27 NEWS -- they're not just
aliases for vfscanf and vfwscanf.
(It was necessary to introduce ldbl_compat_symbol for _IO_vfscanf.
Please check that part of the patch very carefully, I am still not
confident I understand all of the details of ldbl-opt.)
This patch also introduces helper inlines in libio/strfile.h that
encapsulate the process of initializing an _IO_strfile object for
reading. This allows us to call __vfscanf_internal directly from
sscanf, and __vfwscanf_internal directly from swscanf, without
duplicating the initialization code. (Previously, they called their
v-counterparts, but that won't work if we want to control *both* C99
mode and ldbl-is-dbl mode using the flags argument to__vfscanf_internal.)
It's still a little awkward, especially for wide strfiles, but it's
much better than what we had.
Tested for powerpc and powerpc64le.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 349 ++++
argp/argp-fmtstream.c | 3 +-
argp/argp-help.c | 4 +-
argp/argp-namefrob.h | 2 -
debug/Makefile | 2 +-
debug/asprintf_chk.c | 20 +-
debug/dprintf_chk.c | 20 +-
debug/fprintf_chk.c | 20 +-
debug/fwprintf_chk.c | 20 +-
debug/obprintf_chk.c | 96 +-
debug/printf_chk.c | 20 +-
debug/snprintf_chk.c | 24 +-
debug/sprintf_chk.c | 25 +-
debug/swprintf_chk.c | 27 +-
debug/vasprintf_chk.c | 68 +-
debug/vdprintf_chk.c | 37 +-
debug/vfprintf_chk.c | 21 +-
debug/vfwprintf_chk.c | 21 +-
debug/vobprintf_chk.c | 31 +
debug/vprintf_chk.c | 20 +-
debug/vsnprintf_chk.c | 46 +-
debug/vsprintf_chk.c | 69 +-
debug/vswprintf_chk.c | 51 +-
debug/vwprintf_chk.c | 21 +-
debug/wprintf_chk.c | 21 +-
hurd/vpprintf.c | 2 +-
include/stdio.h | 8 -
include/sys/syslog.h | 19 +-
include/wchar.h | 12 -
libio/fwprintf.c | 2 +-
libio/iolibio.h | 8 -
libio/iovdprintf.c | 13 +-
libio/iovsprintf.c | 66 +-
libio/iovsscanf.c | 12 +-
libio/iovswscanf.c | 14 +-
libio/libio.h | 8 -
libio/libioP.h | 97 +-
libio/obprintf.c | 19 +-
libio/strfile.h | 33 +-
libio/swprintf.c | 2 +-
libio/swscanf.c | 10 +-
libio/vasprintf.c | 20 +-
libio/vscanf.c | 2 +-
libio/vsnprintf.c | 16 +-
libio/vswprintf.c | 16 +-
libio/vwprintf.c | 2 +-
libio/vwscanf.c | 2 +-
libio/wprintf.c | 2 +-
libio/wscanf.c | 2 +-
misc/syslog.c | 36 +-
stdio-common/Makefile | 10 +-
stdio-common/Versions | 3 +
stdio-common/asprintf.c | 6 +-
stdio-common/dprintf.c | 5 +-
stdio-common/fprintf.c | 2 +-
stdio-common/fxprintf.c | 4 +-
stdio-common/iovfscanf.c | 38 +
stdio-common/iovfwscanf.c | 38 +
stdio-common/isoc99_fscanf.c | 7 +-
stdio-common/isoc99_scanf.c | 12 +-
stdio-common/isoc99_sscanf.c | 8 +-
stdio-common/isoc99_vfscanf.c | 9 +-
stdio-common/isoc99_vscanf.c | 9 +-
stdio-common/isoc99_vsscanf.c | 16 +-
stdio-common/printf.c | 3 +-
stdio-common/scanf.c | 2 +-
stdio-common/snprintf.c | 4 +-
stdio-common/sprintf.c | 4 +-
stdio-common/sscanf.c | 12 +-
stdio-common/tst-bz11319-fortify2.c | 1 +
stdio-common/tst-bz11319.c | 49 +
stdio-common/vfprintf-internal.c | 2358 +++++++++++++++++++++++
stdio-common/vfprintf.c | 2351 +-----------------------
stdio-common/vfscanf-internal.c | 3043 ++++++++++++++++++++++++++++++
stdio-common/vfscanf.c | 3042 +-----------------------------
stdio-common/vfwprintf-internal.c | 2 +
stdio-common/vfwprintf.c | 28 +-
stdio-common/vfwscanf-internal.c | 2 +
stdio-common/vfwscanf.c | 28 +-
stdio-common/vprintf.c | 4 +-
stdlib/strfrom-skeleton.c | 2 +-
sysdeps/generic/math_ldbl_opt.h | 5 +-
sysdeps/generic/stdio-lock.h | 7 -
sysdeps/ieee754/ldbl-opt/Makefile | 2 +-
sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h | 13 +-
sysdeps/ieee754/ldbl-opt/nldbl-compat.c | 773 ++++----
sysdeps/nptl/stdio-lock.h | 7 -
wcsmbs/isoc99_fwscanf.c | 7 +-
wcsmbs/isoc99_swscanf.c | 11 +-
wcsmbs/isoc99_vfwscanf.c | 9 +-
wcsmbs/isoc99_vswscanf.c | 15 +-
wcsmbs/isoc99_vwscanf.c | 9 +-
wcsmbs/isoc99_wscanf.c | 7 +-
93 files changed, 6841 insertions(+), 6587 deletions(-)
create mode 100644 debug/vobprintf_chk.c
create mode 100644 stdio-common/iovfscanf.c
create mode 100644 stdio-common/iovfwscanf.c
create mode 100644 stdio-common/tst-bz11319-fortify2.c
create mode 100644 stdio-common/tst-bz11319.c
create mode 100644 stdio-common/vfprintf-internal.c
create mode 100644 stdio-common/vfscanf-internal.c
create mode 100644 stdio-common/vfwprintf-internal.c
create mode 100644 stdio-common/vfwscanf-internal.c
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/11319] dprintf doesn't handle errors properly
Date: Wed, 05 Dec 2018 20:56:00 -0000
X-Bugzilla-Reason: CC
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https://sourceware.org/bugzilla/show_bug.cgi?id=11319
Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
CC| |gabriel at inconstante dot eti.br
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #4 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
Fixed for 2.29.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23951] pread64(fd, buf, (size_t)-1, offset) do not works as expected, using 32bit glibc-2.27 under 64bit-linux-4.4
Date: Thu, 06 Dec 2018 14:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23951
Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |INVALID
--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to wangfangpeng from comment #4)
> (In reply to Andreas Schwab from comment #2)
> > I don't think there is a bug here, as in both cases we pass the arguments
> > unchanged to the kernel, and return what the kernel reports:
> >
> > pread64(0, "", 4294967295, 0) = 0
> >
> > pread64(0, 0x7ffdd658d2d0, 18446744073709551615, 0) = -1 EFAULT (Bad address)
>
> You mean this is a kernel bug，not a glibc bug?
You are relying on implementation detail when checking for EFAULT. POSIX [1]
does not define EFAULT as a possible error, even on 'may fail'.
pread64, when used on compat mode, does not fail with EFAULT because the check
on vfs_read that check if the user address access is 'ok' won't report an
invalid address:
fs/read_write.c
440 ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t
*pos)
441 {
442 ssize_t ret;
443
444 if (!(file->f_mode & FMODE_READ))
445 return -EBADF;
446 if (!(file->f_mode & FMODE_CAN_READ))
447 return -EINVAL;
448 if (unlikely(!access_ok(VERIFY_WRITE, buf, count)))
449 return -EFAULT;
arch/x86/include/asm/uaccess.h
36 #define user_addr_max() (current_thread_info()->addr_limit.seg)
89 #define access_ok(type, addr, size) \
90 likely(!__range_not_ok(addr, size, user_addr_max()))
44 static inline bool __chk_range_not_ok(unsigned long addr, unsigned long
size, unsigned long limit)
45 {
46 /*
47 * If we have used "sizeof()" for the size,
48 * we know it won't overflow the limit (but
49 * it might overflow the 'addr', so it's
50 * important to subtract the size from the
51 * limit, not add it to the address).
52 */
53 if (__builtin_constant_p(size))
54 return unlikely(addr > limit - size);
55
56 /* Arbitrary sizes? Be careful about overflow */
57 addr += size;
58 if (unlikely(addr < size))
59 return true;
60 return unlikely(addr > limit);
61 }
62
63 #define __range_not_ok(addr, size, limit) \
64 ({ \
65 __chk_user_ptr(addr); \
66 __chk_range_not_ok((unsigned long __force)(addr), size, limit); \
67 })
Assuming user_addr_max use the definition of USER_DS, it will check against
TASK_SIZE_MAX (usually (1UL << 47) - PAGE_SIZE for x86_64 kernels), any 32-bit
ADDR plus any 32-bit size won't trigger the invalid range. I think current
Linux does not handle TASK_SIZE_MAX differently depending on if the process is
32 or 64 in 64-bit kernels.
In any case, this has not to do with glibc since from standard it should not
emulate this behavior. As Andreas Schwab has put on comment #2, it is up to
kernel to provide identical semantic for pread regardless it is running on 32
or 64-bit kernel.
As a side note, I see the same issue on glibc-2.20. It will use essentially
__NR_pread64 as for newer glibc.
[1] http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
Date: Thu, 06 Dec 2018 14:40:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=899478c2bfa00c5df8d8bedb52effbb065700278
commit 899478c2bfa00c5df8d8bedb52effbb065700278
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 6 15:39:50 2018 +0100
inet/tst-if_index-long: New test case for CVE-2018-19591 [BZ #23927]
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f255336a9301619519045548acb2e1027065a837
commit f255336a9301619519045548acb2e1027065a837
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 6 15:39:42 2018 +0100
support: Implement <support/descriptors.h> to track file descriptors
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 +++
inet/Makefile | 2 +-
inet/tst-if_index-long.c | 61 ++++++++
support/Makefile | 2 +
support/check.h | 4 +
support/descriptors.h | 47 +++++++
support/support_descriptors.c | 274 +++++++++++++++++++++++++++++++++++++
support/support_record_failure.c | 8 +
support/tst-support_descriptors.c | 198 ++++++++++++++++++++++++++
9 files changed, 613 insertions(+), 1 deletions(-)
create mode 100644 inet/tst-if_index-long.c
create mode 100644 support/descriptors.h
create mode 100644 support/support_descriptors.c
create mode 100644 support/tst-support_descriptors.c
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Subject: [Bug time/23758] Improve the width of alternate representation for year in strftime
Date: Fri, 07 Dec 2018 07:04:00 -0000
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--- Comment #5 from TAMUKI Shoichi <tamuki at linet dot gr.jp> ---
I sent the patch v4 to libc-alpha:
https://sourceware.org/ml/libc-alpha/2018-12/msg00232.html
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Subject: [Bug nptl/17980] sem_* interoperability between 32bit and 64bit binaries
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Giuseppe Guerrini <giuseppe.guerrini at cnigroup dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |giuseppe.guerrini@cnigroup.
| |net
--- Comment #5 from Giuseppe Guerrini <giuseppe.guerrini at cnigroup dot net> ---
In my opinion it is worth to reconsider this issue. Public semaphores are
"interprocess communication objects". The underlying concept of "process" does
not take into account possible differences in internal implementation of each
instance. Most operating systems that support multiple subsystems hide wery
well the particular subsystem of processes; many people have worked hard to
achieve this goal. Processes can usually access system's resources and
interoperate regardless their internal details. E.g. on Linux all processes use
filesystem and networking the same way; they can communicate via sockets,
pipes, files or shared memory without any restrictions. They can share file
distriptors too, by inheriting them from their parent in perfect transparence.
The same happens on Windows. Distributing only one binary for both 32 and 64
bits platforms is a very frequent operation. There may be many good reasons to
mantain a single binary, and sometimes it is the only possible option. If that
binary exposes a public interface by the mean of "standard" interprocess
communication objects, one would expect that this public interface is
accessible without any artificial restrictions. It should be enough to say in
documentation "wait for posix semaphore A, write data to file B, release
semaphore A".
Glibc's implementation of posix semaphores breaks this rule in exchange for a
modest performance gain (my guess). At least on x86_64 platforms, it is easy to
arrange things in such a way that both 32 and 64 bit processes interoperate. I
don't know if on other CPUs things are as easy, but if there is an acceptable
trade off between performance and interoperability, interoperability should be
implemented.
Another problem with current implementation of posix semaphores is that not
only does an access from the wrong subsystem fail, it also mess up the object
state. And this is due to a "legitimate" API call.
In conclusion, please, reconsider this issue.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23959] New: Skip /usr/lib/*-gdb.scm files, as are -gdb.py files ignored by ldconfig
Date: Fri, 07 Dec 2018 11:39:00 -0000
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Bug ID: 23959
Summary: Skip /usr/lib/*-gdb.scm files, as are -gdb.py files
ignored by ldconfig
Product: glibc
Version: 2.28
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In the past /sbin/ldconfig complained for /usr/local/lib/*-gdb.py and
/usr/local/lib/*-gdb.scm files with “…is not an ELF file - it has the wrong
magic bytes at the startâ€. Now it says only “ldconfig:
/usr/local/lib/libguile-2.2.so.1.3.1-gdb.scm is not an ELF file - it has the
wrong magic bytes at the start.†and
libc-2.28/elf/readlib.c:is_gdb_python_file() filters out the -gdb.py files.
* Adjust elf/readlib.c to ignore also -gdb.scm files.
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Subject: [Bug libc/14829] sched_* functions wrongly alter thread scheduling, rather than process
Date: Fri, 07 Dec 2018 12:32:00 -0000
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
This affects functions such as sched_setscheduler and sched_setparam.
(Hopefully this will make this bug easier to find.)
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Subject: [Bug libc/14829] sched_* functions wrongly alter thread scheduling, rather than process
Date: Fri, 07 Dec 2018 12:33:00 -0000
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 15088 has been marked as a duplicate of this bug. ***
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Subject: [Bug libc/15088] glibc wrongly defines _POSIX_PRIORITY_SCHEDULING
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
.
*** This bug has been marked as a duplicate of bug 14829 ***
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
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Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
Date: Fri, 07 Dec 2018 13:07:00 -0000
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>From glibc-bugs-return-44015-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 07 13:08:35 2018
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Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Andreas posted another patch:
https://sourceware.org/ml/libc-alpha/2018-11/msg00181.html
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>From glibc-bugs-return-44016-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 07 13:40:22 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] New: [Regression]: glibc 2.28 breaks dash on m68k
Date: Fri, 07 Dec 2018 13:40:00 -0000
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Bug ID: 23960
Summary: [Regression]: glibc 2.28 breaks dash on m68k
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ports
Assignee: unassigned at sourceware dot org
Reporter: glaubitz at physik dot fu-berlin.de
CC: adhemerval.zanella at linaro dot org, carlos at redhat dot com,
jrtc27 at jrtc27 dot com, schwab@linux-m68k.org
Target Milestone: ---
Target: m68k-*-*
On m68k-*-*, upgrading glibc from 2.27 to 2.28 breaks dash in a very obscure
way:
(sid-m68k-sbuild)root@epyc:/build/hp2xx-j13jUj/hp2xx-3.4.4# dash
\u@\h:\w$ cp -a /build/hp2xx-j13jUj/hp2xx-3.4.4/hp-tests/*
/build/hp2xx-j13jUj/hp2xx-3.4.4/debian/hp2xx/usr/share/doc/hp2xx/hp-tests/
/bin/cp: cannot stat '/build/hp2xx-j13jUj/hp2xx-3.4.4/hp-tests/*': No such file
or directory
\u@\h:\w$
(sid-m68k-sbuild)root@epyc:/build/hp2xx-j13jUj/hp2xx-3.4.4# dpkg -i
/tmp/libc6_2.27-8_m68k.deb /tmp/libc-bin_2.27-8_m68k.deb
/tmp/libc-dev-bin_2.27-8_m68k.deb /tmp/multiarch-support_2.27-8_m68k.deb
/tmp/libc6-dev_2.27-8_m68k.deb
dpkg: warning: downgrading libc6:m68k from 2.28-2 to 2.27-8
(Reading database ... 47706 files and directories currently installed.)
Preparing to unpack /tmp/libc6_2.27-8_m68k.deb ...
debconf: unable to initialize frontend: Dialog
debconf: (No usable dialog-like program is installed, so the dialog based
frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line
76.)
debconf: falling back to frontend: Readline
Unpacking libc6:m68k (2.27-8) over (2.28-2) ...
dpkg: warning: downgrading libc-bin from 2.28-2 to 2.27-8
Preparing to unpack /tmp/libc-bin_2.27-8_m68k.deb ...
Unpacking libc-bin (2.27-8) over (2.28-2) ...
dpkg: warning: downgrading libc-dev-bin from 2.28-2 to 2.27-8
Preparing to unpack .../libc-dev-bin_2.27-8_m68k.deb ...
Unpacking libc-dev-bin (2.27-8) over (2.28-2) ...
dpkg: warning: downgrading multiarch-support from 2.28-2 to 2.27-8
Preparing to unpack .../multiarch-support_2.27-8_m68k.deb ...
Unpacking multiarch-support (2.27-8) over (2.28-2) ...
dpkg: warning: downgrading libc6-dev:m68k from 2.28-2 to 2.27-8
Preparing to unpack /tmp/libc6-dev_2.27-8_m68k.deb ...
Unpacking libc6-dev:m68k (2.27-8) over (2.28-2) ...
Setting up libc6:m68k (2.27-8) ...
debconf: unable to initialize frontend: Dialog
debconf: (No usable dialog-like program is installed, so the dialog based
frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line
76.)
debconf: falling back to frontend: Readline
Setting up libc-bin (2.27-8) ...
Setting up libc-dev-bin (2.27-8) ...
Setting up multiarch-support (2.27-8) ...
Setting up libc6-dev:m68k (2.27-8) ...
Processing triggers for man-db (2.8.4-3) ...
Not building database; man-db/auto-update is not 'true'.
(sid-m68k-sbuild)root@epyc:/build/hp2xx-j13jUj/hp2xx-3.4.4# dash
\u@\h:\w$ cp -a /build/hp2xx-j13jUj/hp2xx-3.4.4/hp-tests/*
/build/hp2xx-j13jUj/hp2xx-3.4.4/debian/hp2xx/usr/share/doc/hp2xx/hp-tests/
\u@\h:\w$
Since dash is the standard shell in Debian for /bin/sh, this makes packages
fail to build among other issues.
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Fri, 07 Dec 2018 13:49:00 -0000
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--- Comment #1 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
It looks like shell expansion is broken:
\u@\h:\w$ ls -l old/
total 148
-rw-r--r-- 1 glaubitz fbedv 16188 Jun 21 2003 chardraw.c
-rw-r--r-- 1 glaubitz fbedv 7922 Jun 21 2003 fillpoly.c
-rw-r--r-- 1 glaubitz fbedv 948 Jun 21 2003 readme
-rw-r--r-- 1 glaubitz fbedv 31860 Jun 21 2003 to_atari.c
-rw-r--r-- 1 glaubitz fbedv 13093 Jun 21 2003 to_eps.c
-rw-r--r-- 1 glaubitz fbedv 6631 Jun 21 2003 to_mf.c
-rw-r--r-- 1 glaubitz fbedv 3261 Jun 21 2003 to_pbm.c
-rw-r--r-- 1 glaubitz fbedv 12854 Jun 21 2003 to_pcx.c
-rw-r--r-- 1 glaubitz fbedv 10657 Jun 21 2003 to_pdf.c
-rw-r--r-- 1 glaubitz fbedv 6697 Jun 21 2003 to_pm.c
-rw-r--r-- 1 glaubitz fbedv 9463 Jun 21 2003 to_x11a.c
-rw-r--r-- 1 glaubitz fbedv 10405 Jun 21 2003 to_x11.c
\u@\h:\w$ ls -l old/*
/bin/ls: cannot access 'old/*': No such file or directory
\u@\h:\w$
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>From glibc-bugs-return-44018-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 07 14:27:29 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Fri, 07 Dec 2018 14:27:00 -0000
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--- Comment #2 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
Not sure whether it's related, but with 2.28, "man" also regressed:
root@pacman:~# man man
man: waitpid failed: No child processes
root@pacman:~#
This can be reproduced on qemu-system-m68k but not on qemu-user-m68k where "man
man" will show the manpage.
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>From glibc-bugs-return-44019-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 07 14:35:19 2018
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Subject: [Bug dynamic-link/23690] Segfault in _dl_profile_fixup with a high number of threads
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https://sourceware.org/bugzilla/show_bug.cgi?id=23690
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8c89e6b02d95cb4c0155eb3efc18fbd9c0f4582f
commit 8c89e6b02d95cb4c0155eb3efc18fbd9c0f4582f
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date: Fri Nov 30 18:05:32 2018 -0200
Fix _dl_profile_fixup data-dependency issue (Bug 23690)
There is a data-dependency between the fields of struct l_reloc_result
and the field used as the initialization guard. Users of the guard
expect writes to the structure to be observable when they also observe
the guard initialized. The solution for this problem is to use an acquire
and release load and store to ensure previous writes to the structure are
observable if the guard is initialized.
The previous implementation used DL_FIXUP_VALUE_ADDR (l_reloc_result->addr)
as the initialization guard, making it impossible for some architectures
to load and store it atomically, i.e. hppa and ia64, due to its larger
size.
This commit adds an unsigned int to l_reloc_result to be used as the new
initialization guard of the struct, making it possible to load and store
it atomically in all architectures. The fix ensures that the values
observed in l_reloc_result are consistent and do not lead to crashes.
The algorithm is documented in the code in elf/dl-runtime.c
(_dl_profile_fixup). Not all data races have been eliminated.
Tested with build-many-glibcs and on powerpc, powerpc64, and powerpc64le.
[BZ #23690]
* elf/dl-runtime.c (_dl_profile_fixup): Guarantee memory
modification order when accessing reloc_result->addr.
* include/link.h (reloc_result): Add field init.
* nptl/Makefile (tests): Add tst-audit-threads.
(modules-names): Add tst-audit-threads-mod1 and
tst-audit-threads-mod2.
Add rules to build tst-audit-threads.
* nptl/tst-audit-threads-mod1.c: New file.
* nptl/tst-audit-threads-mod2.c: Likewise.
* nptl/tst-audit-threads.c: Likewise.
* nptl/tst-audit-threads.h: Likewise.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e5d262effe3a87164308a3f37e61b32d0348692a)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++++
elf/dl-runtime.c | 48 ++++++++++++++++++--
include/link.h | 4 ++
nptl/Makefile | 14 +++++-
nptl/tst-audit-threads-mod1.c | 74 +++++++++++++++++++++++++++++++
nptl/tst-audit-threads-mod2.c | 22 +++++++++
nptl/tst-audit-threads.c | 97 +++++++++++++++++++++++++++++++++++++++++
nptl/tst-audit-threads.h | 92 ++++++++++++++++++++++++++++++++++++++
8 files changed, 359 insertions(+), 7 deletions(-)
create mode 100644 nptl/tst-audit-threads-mod1.c
create mode 100644 nptl/tst-audit-threads-mod2.c
create mode 100644 nptl/tst-audit-threads.c
create mode 100644 nptl/tst-audit-threads.h
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
Date: Fri, 07 Dec 2018 15:05:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17405
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7c857b6f0db01e8d6876e601f0cbcd21d23e4dd5
commit 7c857b6f0db01e8d6876e601f0cbcd21d23e4dd5
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Fri Dec 7 15:01:40 2018 +0100
hurd: Implement support for posix_spawn_file_actions_addfchdir_np
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a3fb7557274108ea3dc5ac62333c808a6c171db
commit 3a3fb7557274108ea3dc5ac62333c808a6c171db
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Dec 7 15:00:04 2018 +0100
posix: New function posix_spawn_file_actions_addfchdir_np [BZ #17405]
Along with posix_spawn_file_actions_addchdir,
posix_spawn_file_actions_addfchdir is the subject of a change proposal
for POSIX: <http://austingroupbugs.net/view.php?id=1208>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 74 +++++++
NEWS | 10 +-
posix/Makefile | 2 +-
posix/Versions | 1 +
posix/spawn.h | 6 +
...action_addchdir.c => spawn_faction_addfchdir.c} | 27 +--
posix/spawn_faction_destroy.c | 1 +
posix/spawn_int.h | 5 +
posix/tst-spawn-chdir.c | 214 +++++++++++---------
sysdeps/mach/hurd/i386/libc.abilist | 1 +
sysdeps/mach/hurd/spawni.c | 44 ++++
sysdeps/posix/spawni.c | 5 +
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 +
sysdeps/unix/sysv/linux/arm/libc.abilist | 1 +
sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 1 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 1 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 +
sysdeps/unix/sysv/linux/microblaze/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 +
.../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 +
.../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 1 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
.../sysv/linux/powerpc/powerpc64/libc-le.abilist | 1 +
.../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sh/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/spawni.c | 5 +
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
39 files changed, 305 insertions(+), 116 deletions(-)
copy posix/{spawn_faction_addchdir.c => spawn_faction_addfchdir.c} (65%)
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/17405] Implement posix_spawn_file_actions_addchdir_np, posix_spawn_file_actions_addfchdir_np
Date: Fri, 07 Dec 2018 15:05:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for glibc 2.29.
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From: "nsz at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/23961] New: powf can overflow to inf without setting errno in non-nearest rounding mode
Date: Fri, 07 Dec 2018 15:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23961
Bug ID: 23961
Summary: powf can overflow to inf without setting errno in
non-nearest rounding mode
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: nsz at gcc dot gnu.org
Target Milestone: ---
powf(0x1.7ac7cp+5, 23) is 0x1.fffffep+127 in nearest rounding mode
powf(0x1.7ac7cp+5, 23) is inf in upward rounding mode
powf(-0x1.7ac7cp+5, 23) is -inf in downward rounding mode
they don't set errno because the internal threshold
that checks for overflow assumes nearest rounding.
(the final result is not checked for performance reasons.)
if glibc aims to support errno in non-nearest rounding
mode too then this should be fixed.
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To: glibc-bugs@sourceware.org
Subject: [Bug math/23961] powf can overflow to inf without setting errno in non-nearest rounding mode
Date: Fri, 07 Dec 2018 15:45:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23961
Szabolcs Nagy <nsz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |nsz at gcc dot gnu.org
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23962] New: Very high overhead pthread_spin_lock on multi-node NUMA systems
Date: Fri, 07 Dec 2018 17:38:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23962
Bug ID: 23962
Summary: Very high overhead pthread_spin_lock on multi-node
NUMA systems
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: x86-64
Created attachment 11437
--> https://sourceware.org/bugzilla/attachment.cgi?id=11437&action=edit
A workload with pthread_spin_lock
This workload with pthread_spin_lock shows that:
[hjl@gnu-4 numa-spinlock]$ make tst-spinlock-overhead
gcc -O2 -g -c -o tst-spinlock-overhead.o tst-spinlock-overhead.c
gcc -o tst-spinlock-overhead tst-spinlock-overhead.o -lpthread
[hjl@gnu-4 numa-spinlock]$ ./tst-spinlock-overhead
Number of threads: 2, Total time 193871694, Overhead: 3.17
Number of threads: 4, Total time 543029933, Overhead: 4.44
Number of threads: 8, Total time 2523646854, Overhead: 10.32
Number of threads: 16, Total time 11818665838, Overhead: 24.16
Number of threads: 32, Total time 66807641075, Overhead: 68.30
Number of threads: 48, Total time 151027783404, Overhead: 102.93
Number of threads: 56, Total time 167319124315, Overhead: 97.74
[hjl@gnu-4 numa-spinlock]$
when a spinlock is shared by threads running on different NUMA nodes,
spinlock overheads dominate CPU usages. This makes multi-threaded
applications with spinlock run poorly on multi-node NUMA systems:
[hjl@gnu-4 numa-spinlock]$ cat /sys/devices/system/node/online
0-1
[hjl@gnu-4 numa-spinlock]$ cat /sys/devices/system/cpu/online
0-55
[hjl@gnu-4 numa-spinlock]$
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Subject: [Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems
Date: Fri, 07 Dec 2018 17:39:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Very high overhead |Very high overhead of
|pthread_spin_lock on |pthread_spin_lock on
|multi-node NUMA systems |multi-node NUMA systems
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Subject: [Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to H.J. Lu from comment #0)
> Created attachment 11437 [details]
> A workload with pthread_spin_lock
>
> This workload with pthread_spin_lock shows that:
... what is the solution? Implement MCS locks in userspace using per-cpu data?
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Subject: [Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems
Date: Fri, 07 Dec 2018 18:43:00 -0000
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to H.J. Lu from comment #0)
> > Created attachment 11437 [details]
> > A workload with pthread_spin_lock
> >
> > This workload with pthread_spin_lock shows that:
>
> ... what is the solution? Implement MCS locks in userspace using per-cpu
> data?
We are working on a solution which will use my new getcpu wrapper.
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
Date: Sat, 08 Dec 2018 00:35:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 7c9a7c68363051cfc5fa1ebb96b3b2c1f82dcb76 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7c9a7c68363051cfc5fa1ebb96b3b2c1f82dcb76
commit 7c9a7c68363051cfc5fa1ebb96b3b2c1f82dcb76
Author: DJ Delorie <dj@redhat.com>
Date: Fri Nov 30 22:13:09 2018 -0500
malloc: Add another test for tcache double free check.
This one tests for BZ#23907 where the double free
test didn't check the tcache bin bounds before dereferencing
the bin.
[BZ #23907]
* malloc/tst-tcfree3.c: New.
* malloc/Makefile: Add it.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +++++
malloc/Makefile | 2 +-
malloc/tst-tcfree3.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 63 insertions(+), 1 deletions(-)
create mode 100644 malloc/tst-tcfree3.c
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Subject: [Bug build/23948] test-container postclean.req does not work.
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dj at redhat dot com <dj at redhat dot com> changed:
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Assignee|unassigned at sourceware dot org |dj at redhat dot com
--- Comment #2 from dj at redhat dot com <dj at redhat dot com> ---
https://www.sourceware.org/ml/libc-alpha/2018-12/msg00162.html
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Sat, 08 Dec 2018 12:01:00 -0000
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--- Comment #3 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
This is the commit which causes the problem:
b4a5d26d8835d972995f0a0a2f805a8845bafa0b is the first bad commit
commit b4a5d26d8835d972995f0a0a2f805a8845bafa0b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Nov 2 11:04:18 2017 -0200
linux: Consolidate sigaction implementation
This patch consolidates all Linux sigaction implementations on the default
sysdeps/unix/sysv/linux/sigaction.c. The idea is remove redundant code
and simplify new ports addition by following the current generic
Linux User API (UAPI).
The UAPI for new ports defines a generic extensible sigaction struct as:
struct sigaction
{
__sighandler_t sa_handler;
unsigned long sa_flags;
#ifdef SA_RESTORER
void (*sa_restorer) (void);
#endif
sigset_t sa_mask;
};
Where SA_RESTORER is just placed for compatibility reasons (news ports
should not add it). A similar definition is used on generic
kernel_sigaction.h.
The user exported sigaction definition is not changed, so for most
architectures it requires an adjustment to kernel expected one for the
syscall.
The main changes are:
- All architectures now define and use a kernel_sigaction struct meant
for the syscall, even for the architectures where the user sigaction
has the same layout of the kernel expected one (s390-64 and ia64).
Although it requires more work for these architectures, it simplifies
the generic implementation. Also, sigaction is hardly a hotspot where
micro optimization would play an important role.
- The generic kernel_sigaction definition is now aligned with expected
UAPI one for newer ports, where SA_RESTORER and sa_restorer are not
expected to be defined. This means adding kernel_sigaction for
current architectures that does define it (m68k, nios2, powerpc, s390,
sh, sparc, and tile) and which rely on previous generic definition.
- Remove old MIPS usage of sa_restorer. This was removed since 2.6.27
(2957c9e61ee9c - "[MIPS] IRIX: Goodbye and thanks for all the fish").
- The remaining arch-specific sigaction.c are to handle ABI
idiosyncrasies
(like SPARC kernel ABI for rt_sigaction that requires an additional
stub argument).
So for new ports the generic implementation should work if its uses
Linux UAPI. If SA_RESTORER is still required (due some architecture
limitation), it should define its own kernel_sigaction.h, define it and
include generic header (assuming it still uses the default generic kernel
layout).
Checked on x86_64-linux-gnu, i686-linux-gnu, arm-linux-gnueabihf,
aarch64-linux-gnu, sparc64-linux-gnu, sparcv9-linux-gnu, powerpc-linux-gnu,
powerpc64-linux-gnu, ia64-linux-gnu and alpha-linux-gnu. I also checked
the
build on all remaining affected ABIs.
* sysdeps/unix/sysv/linux/aarch64/sigaction.c: Use default Linux
version
as base implementation.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Add include
guards,
remove unrequired definitions and update comments.
* sysdeps/unix/sysv/linux/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/mips/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/kernel_sigaction.h: New file.
* sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/kernel_sigaction: Likewise.
* sysdeps/unix/sysv/linux/s390/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sh/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/tile/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Remove file.
* sysdeps/unix/sysv/linux/mips/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sigaction.c: Add STUB, SET_SA_RESTORER,
and RESET_SA_RESTORER hooks.
:100644 100644 17506be6a9897f7dd3111752a9de0e0b060cec75
e7abee53e98c0b2e1362cb4913e2f4211b3747fa M ChangeLog
:040000 040000 fa5f55cc57a1b1ec9a9bd3c5dc32986834e0af78
29aefea5f3bf96c2a78552305a9ee8b862619c92 M sysdeps
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To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
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| |r.dialup.fu-berlin.de
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Sat, 08 Dec 2018 13:09:00 -0000
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--- Comment #4 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
One observation is that sigset_t is an "unsigned long" type on m68k:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/m68k/include/uapi/asm/signal.h
While on the glibc side, it is defined through a struct:
> https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/bits/types/__sigset_t.h;h=e2f18acf30f43496567b1511456089dcd1798425;hb=HEAD
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>From glibc-bugs-return-44033-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 14:07:51 2018
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From: "jrtc27 at jrtc27 dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Sat, 08 Dec 2018 14:07:00 -0000
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--- Comment #5 from James Clarke <jrtc27 at jrtc27 dot com> ---
(In reply to John Paul Adrian Glaubitz from comment #4)
> One observation is that sigset_t is an "unsigned long" type on m68k:
>
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/m68k/include/uapi/asm/signal.h
That's the old definition (see e.g ARM that also has that), and is only
user-facing (surrounded by `#ifndef _KERNEL_`).
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>From glibc-bugs-return-44034-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 14:32:52 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Sat, 08 Dec 2018 14:32:00 -0000
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--- Comment #6 from James Clarke <jrtc27 at jrtc27 dot com> ---
Created attachment 11441
--> https://sourceware.org/bugzilla/attachment.cgi?id=11441&action=edit
Proposed patch
Please try this completely untested patch.
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>From glibc-bugs-return-44035-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 15:25:59 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [Regression]: glibc 2.28 breaks dash on m68k
Date: Sat, 08 Dec 2018 15:25:00 -0000
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--- Comment #7 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to James Clarke from comment #6)
> Created attachment 11441 [details]
> Proposed patch
>
> Please try this completely untested patch.
Yes, this patch fixes the issue with "man":
root@pacman:~# LD_PRELOAD=/root/libc.so /root/ld.so /usr/bin/man man
MAN(1) Manual pager utils MAN(1)
NAME
man - an interface to the on-line reference manuals
SYNOPSIS
(...)
root@pacman:~#
It works normally again.
The issue with dash still persists:
\u@\h:\w$ ls -l /bin/*
/bin/ls: cannot access '/bin/*': No such file or directory
\u@\h:\w$
But that affects qemu-user only.
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>From glibc-bugs-return-44036-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 18:40:41 2018
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Subject: [Bug libc/23490] sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c:49: off by one error
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>From glibc-bugs-return-44037-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 18:54:08 2018
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Subject: [Bug libc/23490] sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c:49: off by one error
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>From glibc-bugs-return-44038-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 19:32:25 2018
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Subject: [Bug dynamic-link/23964] New: ldconfig: file truncated while reading soname for certain libraries
Date: Sat, 08 Dec 2018 19:32:00 -0000
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Bug ID: 23964
Summary: ldconfig: file truncated while reading soname for
certain libraries
Product: glibc
Version: 2.28
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Dynamic libraries that have been processed by the popular patchelf utility, are
ignored by ldconfig with a truncation error.
Assuming you have patchelf installed, this can be verified like so:
~/tmp % cp /usr/lib/libpcre.so libpcrecool.so
~/tmp % patchelf --set-soname libpcrecool.so.1 libpcrecool.so
~/tmp % ldconfig -l libpcrecool.so
ldconfig: file libpcrecool.so is truncated
ldconfig: No link created since soname could not be found for
libpcrecool.so
~/tmp % readelf -d libpcrecool.so|grep SONAME
0x000000000000000e (SONAME) Library soname: [libpcrecool.so.1]
This is due to the loadaddr calculation in readelflib.c assuming that the vaddr
which is read from the first STRTAB section in the dynamic segment can be
resolved in the first LOAD segment.
The patchelf utility however changes or adds entries to .dynstr, and then
relocates it to a new LOAD segment at the end of the file.
The vaddr found at the PT_DYNAMIC->(first STRTAB)->d_un.d_ptr should be checked
against each LOAD segment, not just the first one.
All relevant versions up to the current master exhibit this bug.
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>From glibc-bugs-return-44039-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 08 22:32:00 2018
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Sat, 08 Dec 2018 22:32:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
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is obsolete| |
--- Comment #54 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11442
--> https://sourceware.org/bugzilla/attachment.cgi?id=11442&action=edit
The patch adding Cyrillic translit to locale/C-translit.h.in
* Re-targeted the patch against locale/C-translit.h.in as the proper
file for the ASCII translit table.
* Correspondingly the patch now only contains the additional
Cyrillic-ASCII strings in the format of locale/C-translit.h.in table.
The 'include "translit_cyrillic";""' directives are not necessary in the
locale files and they are now all left intact.
* Also the file translit_cyrillic is not longer needed and is omitted.
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
Date: Sat, 08 Dec 2018 22:35:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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is obsolete| |
--- Comment #55 from Egor Kobylkin <egor at kobylkin dot com> ---
Created attachment 11443
--> https://sourceware.org/bugzilla/attachment.cgi?id=11443&action=edit
LibreOffice Calc spreadsheet used to generate the Cyrillic transliteration
table
now with the rows in the format of locale/C-translit.h.in
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Subject: [Bug localedata/2872] Transliteration Cyrillic -> ASCII fails
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Egor Kobylkin <egor at kobylkin dot com> changed:
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is obsolete| |
--- Comment #56 from Egor Kobylkin <egor at kobylkin dot com> ---
Comment on attachment 11403
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Transliteration table Cyrillic-> ASCII
a separate file not needed anymore
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23490] sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c:49: off by one error
Date: Sat, 08 Dec 2018 22:42:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b93f4052fc171f456c8f594d4ae4aeb02ec5b3b6
commit b93f4052fc171f456c8f594d4ae4aeb02ec5b3b6
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sat Dec 8 10:46:59 2018 -0800
Fix potential stack overflow [BZ #23490]
Since we are expecting the exact "IBT" string, adjust stack buffer size
and scanf format accordingly.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
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Subject: [Bug libc/23490] sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c:49: off by one error
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed on trunk.
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Sun, 09 Dec 2018 10:05:00 -0000
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John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[Regression]: glibc 2.28 |[2.28 Regression]: New
|breaks dash on m68k |getdents{64} implementation
| |breaks qemu-user
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>From glibc-bugs-return-44045-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 09 10:07:18 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug ports/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Sun, 09 Dec 2018 10:07:00 -0000
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--- Comment #8 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
Splitting the bug reports now since those are two different issues.
The shell expansion issue with dash affects all of qemu-user, not just m68k and
was introduced by:
298d0e3129c0b5137f4989275b13fe30d0733c4d is the first bad commit
commit 298d0e3129c0b5137f4989275b13fe30d0733c4d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Feb 28 15:37:17 2018 -0300
Consolidate Linux getdents{64} implementation
This patch consolidates Linux getdents{64} implementation on just
the default sysdeps/unix/sysv/linux/getdents{64}{_r}.c ones.
Although this symbol is used only internally, the non-LFS version
still need to be build due the non-LFS getdirentries which requires
its semantic.
The non-LFS default implementation now uses the wordsize-32 as base
which uses getdents64 syscall plus adjustment for overflow (it allows
to use the same code for architectures that does not support non-LFS
getdents syscall). It has two main differences to wordsize-32 one:
- DIRENT_SET_DP_INO is added to handle alpha requirement to zero
the padding.
- alloca is removed by allocating a bounded temporary buffer (it
increases stack usage by roughly 276 bytes).
The default implementation handle the Linux requirements:
* getdents is only built for _DIRENT_MATCHES_DIRENT64 being 0.
* getdents64 is always built and aliased to getdents for ABIs
that define _DIRENT_MATCHES_DIRENT64 to 1.
* A compat symbol is added for getdents64 for ABI that used to
export the old non-LFS version.
Checked on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu,
sparcv9-linux-gnu, sparc64-linux-gnu, powerpc-linux-gnu, and
powerpc64le-linux-gnu.
* sysdeps/unix/sysv/linux/alpha/getdents.c: Add comments with alpha
requirements.
(_DIRENT_MATCHES_DIRENT64): Undef
* sysdeps/unix/sysv/linux/alpha/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/arm/getdents64.c: Remove file.
* sysdeps/unix/sysv/linux/generic/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/generic/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/getdents.c: Simplify implementation by
use getdents64 syscalls as base.
* sysdeps/unix/sysv/linux/getdents64.c: Likewise and add
compatibility
symbol if required.
* sysdeps/unix/sysv/linux/hppa/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/getdents64.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c
(__get_clockfreq_via_proc_openprom): Use __getdents64.
* sysdeps/unix/sysv/linux/mips/mips64/getdents64.c: New file.
:100644 100644 5cc4dc9f635c36c136fbe1751c7f0d96e8b78dcb
93c82fef994b4a4c255ef91ec5016e79e4410f31 M ChangeLog
:040000 040000 49467271d85e92ba455bf6b387fbfa0ffc58ca6c
5d449b9064aaa7f1c20c516a34af6b7b1084403f M sysdeps
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
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John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|m68k-*-* |
CC| |drepper.fsp at gmail dot com
Component|ports |libc
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] New: [2.28 Regression]: New sigaction implementation breaks m68k
Date: Sun, 09 Dec 2018 10:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23967
Bug ID: 23967
Summary: [2.28 Regression]: New sigaction implementation breaks
m68k
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ports
Assignee: unassigned at sourceware dot org
Reporter: glaubitz at physik dot fu-berlin.de
CC: adhemerval.zanella at linaro dot org, carlos at redhat dot com,
fthain at telegraphics dot com.au, jrtc27 at jrtc27 dot com,
schwab@linux-m68k.org
Target Milestone: ---
Target: m68k-*-*
After upgrading to glibc 2.28, "man" crashes with the following error:
root@pacman:~# man man
man: waitpid failed: No child processes
root@pacman:~#
The commit which introduced the regression is:
b4a5d26d8835d972995f0a0a2f805a8845bafa0b is the first bad commit
commit b4a5d26d8835d972995f0a0a2f805a8845bafa0b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Nov 2 11:04:18 2017 -0200
linux: Consolidate sigaction implementation
This patch consolidates all Linux sigaction implementations on the default
sysdeps/unix/sysv/linux/sigaction.c. The idea is remove redundant code
and simplify new ports addition by following the current generic
Linux User API (UAPI).
The UAPI for new ports defines a generic extensible sigaction struct as:
struct sigaction
{
__sighandler_t sa_handler;
unsigned long sa_flags;
#ifdef SA_RESTORER
void (*sa_restorer) (void);
#endif
sigset_t sa_mask;
};
Where SA_RESTORER is just placed for compatibility reasons (news ports
should not add it). A similar definition is used on generic
kernel_sigaction.h.
The user exported sigaction definition is not changed, so for most
architectures it requires an adjustment to kernel expected one for the
syscall.
The main changes are:
- All architectures now define and use a kernel_sigaction struct meant
for the syscall, even for the architectures where the user sigaction
has the same layout of the kernel expected one (s390-64 and ia64).
Although it requires more work for these architectures, it simplifies
the generic implementation. Also, sigaction is hardly a hotspot where
micro optimization would play an important role.
- The generic kernel_sigaction definition is now aligned with expected
UAPI one for newer ports, where SA_RESTORER and sa_restorer are not
expected to be defined. This means adding kernel_sigaction for
current architectures that does define it (m68k, nios2, powerpc, s390,
sh, sparc, and tile) and which rely on previous generic definition.
- Remove old MIPS usage of sa_restorer. This was removed since 2.6.27
(2957c9e61ee9c - "[MIPS] IRIX: Goodbye and thanks for all the fish").
- The remaining arch-specific sigaction.c are to handle ABI
idiosyncrasies
(like SPARC kernel ABI for rt_sigaction that requires an additional
stub argument).
So for new ports the generic implementation should work if its uses
Linux UAPI. If SA_RESTORER is still required (due some architecture
limitation), it should define its own kernel_sigaction.h, define it and
include generic header (assuming it still uses the default generic kernel
layout).
Checked on x86_64-linux-gnu, i686-linux-gnu, arm-linux-gnueabihf,
aarch64-linux-gnu, sparc64-linux-gnu, sparcv9-linux-gnu, powerpc-linux-gnu,
powerpc64-linux-gnu, ia64-linux-gnu and alpha-linux-gnu. I also checked
the
build on all remaining affected ABIs.
* sysdeps/unix/sysv/linux/aarch64/sigaction.c: Use default Linux
version
as base implementation.
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Add include
guards,
remove unrequired definitions and update comments.
* sysdeps/unix/sysv/linux/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/mips/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/kernel_sigaction.h: New file.
* sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/kernel_sigaction: Likewise.
* sysdeps/unix/sysv/linux/s390/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sh/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/tile/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Remove file.
* sysdeps/unix/sysv/linux/mips/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/sigaction.c: Add STUB, SET_SA_RESTORER,
and RESET_SA_RESTORER hooks.
:100644 100644 17506be6a9897f7dd3111752a9de0e0b060cec75
e7abee53e98c0b2e1362cb4913e2f4211b3747fa M ChangeLog
:040000 040000 fa5f55cc57a1b1ec9a9bd3c5dc32986834e0af78
29aefea5f3bf96c2a78552305a9ee8b862619c92 M sysdeps
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Sun, 09 Dec 2018 12:27:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to John Paul Adrian Glaubitz from comment #8)
> Splitting the bug reports now since those are two different issues.
>
> The shell expansion issue with dash affects all of qemu-user, not just m68k
> and was introduced by […] commit 298d0e3129c0b5137f4989275b13fe30d0733c4d […]
We already have bug 23497 and this commit:
commit 690652882b499defb3d950dfeff8fe421d13cab5 (bug23497)
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Aug 10 10:20:13 2018 +0200
Linux: Rewrite __old_getdents64 [BZ #23497]
Commit 298d0e3129c0b5137f4989275b13fe30d0733c4d ("Consolidate Linux
getdents{64} implementation") broke the implementation because it does
not take into account struct offset differences.
The new implementation is close to the old one, before the
consolidation, but has been cleaned up slightly.
Does it fix the qemu-user issue?
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Subject: [Bug dynamic-link/23964] ldconfig: file truncated while reading soname for certain libraries
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----------------------------------------------------------------------------
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Flags| |security-
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23913] off-by-one in function maybe_script_execute in sysdeps/posix/spawni.c
Date: Sun, 09 Dec 2018 12:32:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Flagging as security- because the code is unused.
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Sun, 09 Dec 2018 12:58:00 -0000
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--- Comment #10 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Florian Weimer from comment #9)
> commit 690652882b499defb3d950dfeff8fe421d13cab5 (bug23497)
> Author: Florian Weimer <fweimer@redhat.com>
> Date: Fri Aug 10 10:20:13 2018 +0200
>
> Linux: Rewrite __old_getdents64 [BZ #23497]
>
> Commit 298d0e3129c0b5137f4989275b13fe30d0733c4d ("Consolidate Linux
> getdents{64} implementation") broke the implementation because it does
> not take into account struct offset differences.
>
> The new implementation is close to the old one, before the
> consolidation, but has been cleaned up slightly.
>
> Does it fix the qemu-user issue?
The Debian glibc package in unstable is already shipping this patch [1] and it
is not enough to fix the problem:
(sid-powerpc-sbuild)root@nofan:/# dpkg -l libc6 |grep 2.28
ii libc6:powerpc 2.28-2 powerpc GNU C Library: Shared libraries
(sid-powerpc-sbuild)root@nofan:/# dash
\u@\h:\w$ echo *
*
\u@\h:\w$
> [1] https://sources.debian.org/src/glibc/2.28-2/debian/patches/git-updates.diff/#L364
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Subject: [Bug dynamic-link/23964] ldconfig: file truncated while reading soname for certain libraries
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--- Comment #1 from Eamonn Coughlan <eamonn+srcware at rxd4 dot com> ---
Created attachment 11444
--> https://sourceware.org/bugzilla/attachment.cgi?id=11444&action=edit
Example fix for ldconfig
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
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--- Comment #11 from James Clarke <jrtc27 at jrtc27 dot com> ---
(In reply to Florian Weimer from comment #9)
> (In reply to John Paul Adrian Glaubitz from comment #8)
> > Splitting the bug reports now since those are two different issues.
> >
> > The shell expansion issue with dash affects all of qemu-user, not just m68k
> > and was introduced by […] commit 298d0e3129c0b5137f4989275b13fe30d0733c4d […]
>
> We already have bug 23497 and this commit:
>
> commit 690652882b499defb3d950dfeff8fe421d13cab5 (bug23497)
> Author: Florian Weimer <fweimer@redhat.com>
> Date: Fri Aug 10 10:20:13 2018 +0200
>
> Linux: Rewrite __old_getdents64 [BZ #23497]
>
> Commit 298d0e3129c0b5137f4989275b13fe30d0733c4d ("Consolidate Linux
> getdents{64} implementation") broke the implementation because it does
> not take into account struct offset differences.
>
> The new implementation is close to the old one, before the
> consolidation, but has been cleaned up slightly.
>
> Does it fix the qemu-user issue?
That's about __old_getdents64, but this problem is about __getdents switching
from the new-style getdents system call to the new-style getents64 system call.
The latter clearly can overflow d_off on 32-bit systems (in practice, if you're
using a 32-bit compat syscall layer, ext4 will give 32-bit values back[1], but
that doesn't help you when using qemu-user), and whilst it doesn't with ext4 on
i386, I imagine that with large enough directories it can still in theory
overflow on i386 on other filesystems.
[1] ext4's d_off is not an offset, but an encoded "hash" (not really a hash,
just packing bits; it uses the upper half on 64-bit ABI syscalls, but throws it
away on 32-bit ABI syscalls - that's ABI, so getdents64 still gets a 32-bit
hash that's then zero-extended)
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From: "egor at kobylkin dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/2872] Transliteration Cyrillic -> ASCII fails
Date: Mon, 10 Dec 2018 01:25:00 -0000
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Egor Kobylkin <egor at kobylkin dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|localedata |locale
--- Comment #57 from Egor Kobylkin <egor at kobylkin dot com> ---
Changing the "component" parameter of this bug to the "locale" because ASCII is
the target character set for the C locale and it is residing in
locale/C-translit.h.in.
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From: "surya.teja at samsung dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/23970] New: [Bug] Fix race condition between uselocale/setlocale and duplocale
Date: Mon, 10 Dec 2018 07:10:00 -0000
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Bug ID: 23970
Summary: [Bug] Fix race condition between uselocale/setlocale
and duplocale
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: surya.teja at samsung dot com
Target Milestone: ---
Hello
We found race condition between uselocale/setlocale and duplocale.
in duplocal when we are "Calculating the total space required" we are not
protecting
But when we make locale copy we are protecting it.
//unprotected code
47 /* Calculate the total space we need to store all the names. */
48 for (cnt = 0; cnt < __LC_LAST; ++cnt)
49 if (cnt != LC_ALL && dataset->__names[cnt] != _nl_C_name)
50 names_len += strlen (dataset->__names[cnt]) + 1;
//protected code
69 if (dataset->__names[cnt] == _nl_C_name)
70 result->__names[cnt] = _nl_C_name;
71 else
72 {
73 result->__names[cnt] = namep;
74 namep = __stpcpy (namep, dataset->__names[cnt]) + 1;
75 }
76 }
77
78 /* Update the special members. */
79 result->__ctype_b = dataset->__ctype_b;
80 result->__ctype_tolower = dataset->__ctype_tolower;
81 result->__ctype_toupper = dataset->__ctype_toupper;
82
/// Test Case
/********************************************/
#include <stdio.h>
#include <locale.h>
#include <locale.h>
#include <pthread.h>
#include <sys/prctl.h>
#include <unistd.h>
static void *thread_none(void *arg)
{
int a = 5;
int flag = 1;
char *ret;
prctl(PR_SET_NAME,"none",NULL,NULL,NULL);
while(1) {
// usleep(300);
if(flag)
ret = setlocale(LC_TIME, "C");
else
ret = setlocale(LC_ALL, "en_US.utf8");
if (!ret)
exit(0);
flag = flag - 1;
}
return;
}
static void *thread_one(void *arg)
{
int a = 5;
locale_t newloc;
prctl(PR_SET_NAME,"one",NULL,NULL,NULL);
while(1) {
locale_t oldlocale = uselocale(NULL);
locale_t duploc = duplocale(oldlocale);
newloc = newlocale(LC_NUMERIC, "C", duploc);
if (newloc) {
duploc = newloc;
newloc = newlocale(LC_TIME, "C", duploc);
}
else {
freelocale(duploc);
continue;
}
uselocale(newloc);
freelocale(newloc);
}
return;
}
int main()
{
pthread_t t1;
pthread_t t2;
pthread_t t3;
pthread_t t4;
pthread_t t5;
pthread_create(&t1, NULL, thread_none, NULL);
pthread_create(&t2, NULL, thread_one, NULL);
pthread_create(&t3, NULL, thread_one, NULL);
pthread_create(&t4, NULL, thread_one, NULL);
pthread_create(&t5, NULL, thread_one, NULL);
while(1);
}
/*********************Fix Path ****************************/
From 20e256b835979c325671304c0bdf1936b3258f53 Mon Sep 17 00:00:00 2001
From: Akhilesh Kumar <akhilesh.k@samsung.com>
Date: Mon, 10 Dec 2018 11:01:51 +0530
Subject: [PATCH] Fix race condition between uselocale/setlocale and duplocale
in duplocal when we are "Calculating the total space required" we are not
protecting
But when we make locale copy we are protecting it.
---
locale/duplocale.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/locale/duplocale.c b/locale/duplocale.c
index bd8a191..0ff641a 100644
--- a/locale/duplocale.c
+++ b/locale/duplocale.c
@@ -44,6 +44,9 @@ __duplocale (__locale_t dataset)
int cnt;
size_t names_len = 0;
+ /* We modify global data (the usage counts). */
+ __libc_rwlock_wrlock (__libc_setlocale_lock);
+
/* Calculate the total space we need to store all the names. */
for (cnt = 0; cnt < __LC_LAST; ++cnt)
if (cnt != LC_ALL && dataset->__names[cnt] != _nl_C_name)
@@ -56,9 +59,6 @@ __duplocale (__locale_t dataset)
{
char *namep = (char *) (result + 1);
- /* We modify global data (the usage counts). */
- __libc_rwlock_wrlock (__libc_setlocale_lock);
-
for (cnt = 0; cnt < __LC_LAST; ++cnt)
if (cnt != LC_ALL)
{
@@ -80,9 +80,10 @@ __duplocale (__locale_t dataset)
result->__ctype_tolower = dataset->__ctype_tolower;
result->__ctype_toupper = dataset->__ctype_toupper;
- /* It's done. */
- __libc_rwlock_unlock (__libc_setlocale_lock);
+
}
+ /* It's done. */
+ __libc_rwlock_unlock (__libc_setlocale_lock);
return result;
}
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Subject: [Bug locale/23970] [Bug] Fix race condition between uselocale/setlocale and duplocale
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Cherukuri Surya Teja <surya.teja at samsung dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |akhilesh.k at samsung dot com,
| |akhipatel at gmail dot com
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Subject: [Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems
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kemi <kemi.wang at intel dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kemi.wang at intel dot com
--- Comment #3 from kemi <kemi.wang at intel dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to H.J. Lu from comment #0)
> > Created attachment 11437 [details]
> > A workload with pthread_spin_lock
> >
> > This workload with pthread_spin_lock shows that:
>
> ... what is the solution? Implement MCS locks in userspace using per-cpu
> data?
We have tried MCS way with per-thread data, and can reduce spinlock overhead a
lot when heavily lock contention, but that will be one more pointer required in
pthread_spinlock_t which will break the existed ABI. I wonder if it's
acceptable?
Hongjiu has another way for the same purpose.
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Subject: [Bug locale/23970] [Bug] Fix race condition between uselocale/setlocale and duplocale
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--- Comment #1 from Cherukuri Surya Teja <surya.teja at samsung dot com> ---
Test result
akhilesh.k@DELL-BUILD10:~/P4/TIZEN_5.0/MAIN2019/BASE2019_Prj/INT/VD_PKGS/glibc$
./a.out
*** Error in `./a.out': free(): invalid next size (normal): 0x00007f39ac000b10
***
*** Error in `./a.out': free(): invalid next size (normal): 0x00007f39a4000b10
***
*** Error in `./a.out': free(): invalid next size (normal): 0x00007f39b4000b20
***
Aborted (core dumped)
akhilesh.k@DELL-BUILD10:~/P4/TIZEN_5.0/MAIN2019/BASE2019_Prj/INT/VD_PKGS/glibc$
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Subject: [Bug libc/23972] New: __old_getdents64 uses wrong d_off value on overflow
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Bug ID: 23972
Summary: __old_getdents64 uses wrong d_off value on overflow
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
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Flags: security-
d_off is the offset of the directory next entry, not the offset of the current
entry. As a result, if handle_overflow does not report an error immediately,
it will jump over the problematic entry.
Found through source code inspection. I do not have a test case.
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/23973] New: Concurrent use of ldconfig may clobber /etc/ld.so.cache temporarily
Date: Mon, 10 Dec 2018 13:27:00 -0000
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Bug ID: 23973
Summary: Concurrent use of ldconfig may clobber
/etc/ld.so.cache temporarily
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: schwab@linux-m68k.org
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When two parallel runs of ldconfig write out the cache file the first process
may rename the temp file while the second one is still writing to it. The name
of the temp file should be made unique to the process.
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Subject: [Bug libc/23972] __old_getdents64 uses wrong d_off value on overflow
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Subject: [Bug libc/23972] __old_getdents64 uses wrong d_off value on overflow
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Patch posted:
https://sourceware.org/ml/libc-alpha/2018-12/msg00307.html
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Subject: [Bug libc/23972] __old_getdents64 uses wrong d_off value on overflow
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8d20a2f414fa52aceef8a0e3675415df54a840db
commit 8d20a2f414fa52aceef8a0e3675415df54a840db
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Dec 10 14:14:45 2018 +0100
compat getdents64: Use correct offset for retry [BZ #23972]
d_off is the offset of the *next* entry, not the offset of the current
entry.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
sysdeps/unix/sysv/linux/getdents64.c | 16 +++++++++++++---
sysdeps/unix/sysv/linux/tst-readdir64-compat.c | 4 ++++
3 files changed, 27 insertions(+), 3 deletions(-)
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>From glibc-bugs-return-44064-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 15:52:40 2018
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Subject: [Bug libc/23972] __old_getdents64 uses wrong d_off value on overflow
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----------------------------------------------------------------------------
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.29.
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>From glibc-bugs-return-44065-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 16:09:42 2018
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Subject: [Bug libc/23972] __old_getdents64 uses wrong d_off value on overflow
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commit 5f1ae50a78d3f66b195668f1b863832d85d27f2f
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Dec 10 16:50:37 2018 +0100
compat getdents64: Use correct offset for retry [BZ #23972]
d_off is the offset of the *next* entry, not the offset of the current
entry.
(cherry picked from commit 8d20a2f414fa52aceef8a0e3675415df54a840db)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
NEWS | 1 +
sysdeps/unix/sysv/linux/getdents64.c | 16 +++++++++++++---
sysdeps/unix/sysv/linux/tst-readdir64-compat.c | 4 ++++
4 files changed, 28 insertions(+), 3 deletions(-)
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>From glibc-bugs-return-44066-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 18:16:34 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 10 Dec 2018 18:16:00 -0000
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--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
From BZ#23960 comment #5 and #6, the issue is
arch/m68k/include/uapi/asm/signal.h sigaction definition (installed usually on
asm/signal.h) is for old __NR_sigaction syscall, however glibc sigaction is
using the __NR_sigaction which uses the generic UAPI.
The proposed patch (attachment 11441) looks correct, I will send upstream and
apply on behalf James Clarke.
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>From glibc-bugs-return-44067-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 18:27:06 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 10 Dec 2018 18:27:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Does an existing test in the glibc testsuite fail on m68k because of this
issue? If not, we need to add a new test.
Note that the "ports" component should not be used for filing new bugs.
See <https://sourceware.org/bugzilla/describecomponents.cgi?product=glibc>
where the description says "obsolete component, do not file new issues
here".
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>From glibc-bugs-return-44068-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 18:35:21 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 10 Dec 2018 18:35:00 -0000
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to joseph@codesourcery.com from comment #2)
> Does an existing test in the glibc testsuite fail on m68k because of this
> issue? If not, we need to add a new test.
>
I don't have access to a m68k since 2.26, so I can't really tell if these fail
on a real or emulated system. I am working on debian developers to get a
working system where I can actually check this.
> Note that the "ports" component should not be used for filing new bugs.
> See <https://sourceware.org/bugzilla/describecomponents.cgi?product=glibc>
> where the description says "obsolete component, do not file new issues
> here".
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>From glibc-bugs-return-44069-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 19:02:37 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 10 Dec 2018 19:02:00 -0000
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--- Comment #4 from Andreas Schwab <schwab@linux-m68k.org> ---
__NR_sigaction is the obsolete interface.
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>From glibc-bugs-return-44070-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 19:25:09 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 10 Dec 2018 19:25:00 -0000
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--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Andreas Schwab from comment #4)
> __NR_sigaction is the obsolete interface.
My mistake, I meant 'however glibc sigaction is using the __NR_rt_sigaction
which uses the generic UAPI.'
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>From glibc-bugs-return-44071-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 10 21:29:41 2018
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Subject: [Bug libc/19767] vdso is not used with static linking
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f9ba9eb821c96ae41038460ee1fcd42308e074f2
commit f9ba9eb821c96ae41038460ee1fcd42308e074f2
Author: Rafael �vila de Esp�ndola <rafael@espindo.la>
Date: Mon Dec 10 21:27:54 2018 +0000
Enable VDSO for static linking on mips
I have tested that this builds and the resulting program still work.
This was tested on gcc23.fsffrance.org, and for some reason the vdso
there seems unused even when using shared libraries.
[BZ #19767]
* sysdeps/unix/sysv/linux/mips/init-first.c: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/mips/libc-vdso.h: Remove #ifdef SHARED.
* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Define
ALWAYS_USE_VSYSCALL.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
sysdeps/unix/sysv/linux/mips/init-first.c | 8 +++-----
sysdeps/unix/sysv/linux/mips/libc-vdso.h | 6 +-----
sysdeps/unix/sysv/linux/mips/mips32/sysdep.h | 3 +++
sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h | 3 +++
sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h | 3 +++
6 files changed, 25 insertions(+), 10 deletions(-)
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>From glibc-bugs-return-44072-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 01:16:03 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems
Date: Tue, 11 Dec 2018 01:16:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to kemi from comment #3)
> (In reply to Carlos O'Donell from comment #1)
> > (In reply to H.J. Lu from comment #0)
> > > Created attachment 11437 [details]
> > > A workload with pthread_spin_lock
> > >
> > > This workload with pthread_spin_lock shows that:
> >
> > ... what is the solution? Implement MCS locks in userspace using per-cpu
> > data?
>
> We have tried MCS way with per-thread data, and can reduce spinlock overhead
> a lot when heavily lock contention, but that will be one more pointer
> required in pthread_spinlock_t which will break the existed ABI. I wonder if
> it's acceptable?
>
> Hongjiu has another way for the same purpose.
We can't break the existing ABI. However, we can restructure the entire
spinlock internally to try make better use of the existing size. I'm looking
forward to seeing what patches are posted for this.
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>From glibc-bugs-return-44073-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 03:41:50 2018
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Subject: [Bug build/23948] test-container postclean.req does not work.
Date: Tue, 11 Dec 2018 03:41:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 304c61a24f909168c16793ccf7c686237e53d003
Author: DJ Delorie <dj@redhat.com>
Date: Wed Dec 5 12:39:47 2018 -0500
test-container: move postclean outside of namespace changes
During postclean.req testing it was found that the fork in the
parent process (after the unshare syscall) would fail with ENOMEM
(see recursive_remove() in test-container.c). While failing with
ENOMEM is certainly unexpected, it is simply easier to refactor
the design and have the parent remain outside of the namespace.
This change moves the postclean.req processing to a distinct
process (the parent) that then forks the test process (which will
have to fork once more to complete uid/gid transitions). When the
test process exists the cleanup process will ensure all files are
deleted when a post clean is requested.
Signed-off-by: DJ Delorie <dj@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
[BZ #23948]
* support/test-container.c: Move postclean step to before we
change namespaces.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
support/test-container.c | 45 +++++++++++++++++++++++++++++++++++++--------
2 files changed, 43 insertions(+), 8 deletions(-)
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>From glibc-bugs-return-44074-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 05:01:15 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/23970] [Bug] Fix race condition between uselocale/setlocale and duplocale
Date: Tue, 11 Dec 2018 05:01:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
The function setlocale() is *only* multi-threaded safe (MT-safe) if the locale
is kept constant. Your example use of setlocale() is not MT-safe and this
results in the threads crashing while the main thread changes the global
locale. Changes to the global locale must be guarded among all threads (even
the main thread) to make it MT-safe.
Even more explicitly C11 in section 7.11.1.1 paragraph 5 calls out that
setlocale() creates data races (undefined behaviour) when called concurrently
with functions that are affected by the current locale (uselocale is because it
reads the current locale).
Please see 'info libc setlocale':
~~~
-- Function: char * setlocale (int CATEGORY, const char *LOCALE)
Preliminary: | MT-Unsafe const:locale env | AS-Unsafe init lock
heap corrupt | AC-Unsafe init corrupt lock mem fd | *Note POSIX
Safety Concepts::.
~~~
Note: "MT-Unsafe const:locale env"
Also note that your test case needed fixing. Please make sure to compile your
test cases with -Wall (and -pedantic if you can) to ensure it has no errors.
For your own review:
30 static void *thread_one(void *arg)
31 {
32 locale_t newloc;
33 prctl(PR_SET_NAME,"one",NULL,NULL,NULL);
34 while(1) {
35 locale_t oldlocale = uselocale(NULL);
36 locale_t duploc = duplocale(oldlocale);
37 if (duploc == (locale_t) 0)
38 {
39 perror ("duplocale");
40 exit (1);
41 }
42 newloc = newlocale(LC_NUMERIC, "C", duploc);
43 if (newloc) {
44 duploc = newloc;
45 newloc = newlocale(LC_TIME, "C", duploc);
46 }
47 else {
48 freelocale(duploc);
49 continue;
50 }
51 uselocale(newloc);
52 freelocale(newloc);
53 }
54 return NULL;
55 }
On line 51 we use newloc and then immediately free it, that results in
undefined behaviour since the locale in use is now free. Did you mean to call
'freelocale(oldloc);'? You must also protect this to avoid freeing the
LC_GLOBAL_LOCALE e.g.
-- if (oldlocale != (locale_t) LC_GLOBAL_LOCALE)
-- freelocale(oldlocale);
This ensures that the thread is constantly and correctly cycling through a copy
of the current locale.
Within duplocale we have computed the length of the various arrays, all outside
of the critical section, and then the locale changed (MT-unsafe operation by
the main thread calling selocale), and then we took the lock and tried to
duplicate the locale using old lengths (only changes between threads are
guarded).
In general what you are seeing is expected behaviour. The linux man pages also
list (since this information is harmonized with this project) setlocale as
'MT-unsafe locale:const env'.
If you agree with this analysis I will close this bug as RESOLVED/INVALID.
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From: "kemi.wang at intel dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/23962] Very high overhead of pthread_spin_lock on multi-node NUMA systems
Date: Tue, 11 Dec 2018 05:13:00 -0000
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--- Comment #5 from kemi <kemi.wang at intel dot com> ---
(In reply to Carlos O'Donell from comment #4)
> (In reply to kemi from comment #3)
> > (In reply to Carlos O'Donell from comment #1)
> > > (In reply to H.J. Lu from comment #0)
> > > > Created attachment 11437 [details]
> > > > A workload with pthread_spin_lock
> > > >
> > > > This workload with pthread_spin_lock shows that:
> > >
> > > ... what is the solution? Implement MCS locks in userspace using per-cpu
> > > data?
> >
> > We have tried MCS way with per-thread data, and can reduce spinlock overhead
> > a lot when heavily lock contention, but that will be one more pointer
> > required in pthread_spinlock_t which will break the existed ABI. I wonder if
> > it's acceptable?
> >
> > Hongjiu has another way for the same purpose.
>
> We can't break the existing ABI. However, we can restructure the entire
> spinlock internally to try make better use of the existing size. I'm looking
> forward to seeing what patches are posted for this.
Agree!
We are trying some other way similar as qspinlock mechanism.
But, the challenge is that I didn't find a nice way to get the tail node info
when a new spinner is added in the queue. I wonder if glibc has similar
mechanism like per-cpu variable of kernel.
Any suggestion? Thanks
Some Pseudo-code:
struct pthread_spinlock_t
{
union {
struct {
int locked:8; //bit lock
int tid:24; // thread-specific info
};
int lock;
};
}
struct qnode {
struct qnode *next;
u8 wait; // local waiting flag
}
static __thread struct qnode;
// get tail node info
tid=GET_LAST_THREAD_INFO(lock); // get the least 24bits info
qnode=GET_TLS(&qnode,tid); // get the qnode info according to tid and
qnode
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From: "pankaj.embedded at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23975] New: "init (1): undefined instruction: pc¶fce0a8" during mounting ARM BE Root file system
Date: Tue, 11 Dec 2018 07:28:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23975
Bug ID: 23975
Summary: "init (1): undefined instruction: pc=b6fce0a8" during
mounting ARM BE Root file system
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: pankaj.embedded at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Hi,
I am getting below mentioned error when kernel is trying to mount Big
endian NFS root filesystem.
[ 9.091012] devtmpfs: mounted
[ 9.094985] Freeing unused kernel memory: 1024K
[ 9.114876] init (1): undefined instruction: pc=b6fce0a8
[ 9.120227] CPU: 1 PID: 1 Comm: init Not tainted 4.14.34-rt25-yocto-standard #1
[ 9.127602] Hardware name: BRCM XGS iProc
[ 9.131672] task: de460000 task.stack: de45a000
[ 9.136196] PC is at 0xb6fce0a8
[ 9.139330] LR is at 0x23
[ 9.142000] pc : [<b6fce0a8>] lr : [<00000023>] psr: 000f0210
[ 9.148254] sp : bef36c28 ip : b6fefd50 fp : bef36c8c
[ 9.153531] r10: b6ff0908 r9 : 00000002 r8 : bef36c58
[ 9.158753] r7 : 00001040 r6 : 6ffffdff r5 : 00001040 r4 : 00000000
[ 9.165318] r3 : 00000000 r2 : 00000000 r1 : 00000001 r0 : 00000001
[ 9.171894] Flags: nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user
[ 9.179103] Control: 12c5387d Table: 7c4f804a DAC: 00000055
[ 9.184891] Code: 347287e1 901b02ee 0020a0e3 013007e2 (a10472f3)
[ 9.191275] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000004
[ 9.191275]
[ 9.200399] CPU: 1 PID: 1 Comm: init Not tainted 4.14.34-rt25-yocto-standard #1
[ 9.207695] Hardware name: BRCM XGS iProc
[ 9.211721] [<c0110a40>] (unwind_backtrace) from [<c010c148>]
(show_stack+0x10/0x14)
[ 9.219468] [<c010c148>] (show_stack) from [<c0843948>] (dump_stack+0x78/0x8c)
[ 9.226685] [<c0843948>] (dump_stack) from [<c0133944>] (panic+0xdc/0x248)
[ 9.233555] [<c0133944>] (panic) from [<c01386ac>] (complete_and_exit+0x0/0x1c)
[ 9.240853] [<c01386ac>] (complete_and_exit) from [<de45be78>] (0xde45be78)
[ 9.247807] CPU0: stopping
[ 9.250521] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
4.14.34-rt25-yocto-standard #1
[ 9.258250] Hardware name: BRCM XGS iProc
[ 9.262267] [<c0110a40>] (unwind_backtrace) from [<c010c148>]
(show_stack+0x10/0x14)
[ 9.269997] [<c010c148>] (show_stack) from [<c0843948>] (dump_stack+0x78/0x8c)
[ 9.277211] [<c0843948>] (dump_stack) from [<c010f89c>]
(handle_IPI+0x3ec/0x3fc)
[ 9.284590] [<c010f89c>] (handle_IPI) from [<c0101458>]
(gic_handle_irq+0x90/0x94)
[ 9.292142] [<c0101458>] (gic_handle_irq) from [<c010cd0c>]
(__irq_svc+0x6c/0xbc)
[ 9.299605] Exception stack(0xc0c01f48 to 0xc0c01f90)
[ 9.304642] 1f40: 00000000 c09e8220 1e014000 c0118d00 ffffe000 c0c115f8
[ 9.312802] 1f60: c0c115a8 c0c927d9 c095cbdc deffccc0 c0b52e38
00000000 00000017 c0c01f98
[ 9.320959] 1f80: c0108728 c010872c 60000213 ffffffff
[ 9.326005] [<c010cd0c>] (__irq_svc) from [<c010872c>]
(arch_cpu_idle+0x38/0x3c)
[ 9.333392] [<c010872c>] (arch_cpu_idle) from [<c01720a4>] (do_idle+0xd0/0x138)
[ 9.340690] [<c01720a4>] (do_idle) from [<c01723b4>]
(cpu_startup_entry+0x18/0x1c)
[ 9.348254] [<c01723b4>] (cpu_startup_entry) from [<c0b00c70>]
(start_kernel+0x3ac/0x3b8)
[ 9.356418] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x00000004
I am using yocto armeb(big-endian) toolchain which is having
GCC-7.3.0, glibc-2.26 and Binutils-2.29.
This yocto tool-chain has built with below mentioned arguments.
"-march=armv7-a -mfloat-abi=hard -mcpu=cortex-a9 -mfpu=neon"
My target is also armv7-a and cortex-a9. I am not sure where exactly
the issue but as per investigation I have doubt in glibc. Highly
appreciate
if anyone give some pointer regarding this issue. And I also found
same issue when I used buildroot armeb toolchain with older gcc-4.7
and glibc-2.20 version.
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/23970] [Bug] Fix race condition between uselocale/setlocale and duplocale
Date: Tue, 11 Dec 2018 08:20:00 -0000
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--- Comment #3 from Akhilesh <akhipatel at gmail dot com> ---
Yes we Agree that setlocale() is not MT-safe. But we are getting the same issue
even with LC_GLOBAL_LOCALE.
akhilesh.k@DELL-BUILD10:$ gcc test.c -lpthread -Wall
akhilesh.k@DELL-BUILD10:$ ./a.out
*** Error in `./a.out': free(): invalid next size (normal): 0x00007fa674000c20
***
Aborted (core dumped)
static void *thread_none(void *arg)
{
int flag = 1;
char *ret;
prctl(PR_SET_NAME,"none",NULL,NULL,NULL);
while(1) {
if(flag)
ret = setlocale(LC_TIME, "C");
else
ret = setlocale(LC_ALL, "en_US.utf8");
if (!ret)
exit(0);
flag = 1 - flag;
}
}
static void *thread_one(void *arg)
{
locale_t newloc;
prctl(PR_SET_NAME,"one",NULL,NULL,NULL);
while(1) {
locale_t oldlocale = uselocale(NULL);
locale_t duploc = duplocale(oldlocale);
if (duploc == (locale_t) 0)
{
perror ("duplocale");
exit (1);
}
newloc = newlocale(LC_NUMERIC, "C", duploc);
if (newloc) {
duploc = newloc;
newloc = newlocale(LC_TIME, "C", duploc);
}
else {
if (duploc != (locale_t) LC_GLOBAL_LOCALE)
freelocale(duploc);
}
}
}
Also I Think we should not restrict application developer, Also in any scenario
glibc should not corrupts its metadata. Since proposed fix, Protects the heap
corruption to avoid undefined behavior, we can consider this.
Also we found same protection in newlocale but not in duplocale.
Thanks
Akhilesh
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Subject: [Bug locale/23970] [Bug] Fix race condition between uselocale/setlocale and duplocale
Date: Tue, 11 Dec 2018 08:35:00 -0000
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--- Comment #4 from Akhilesh <akhipatel at gmail dot com> ---
Even with out freelocale also we are getting "memory corruption"
static void *thread_one(void *arg)
{
locale_t newloc;
prctl(PR_SET_NAME,"one",NULL,NULL,NULL);
while(1) {
locale_t oldlocale = uselocale(NULL);
locale_t duploc = duplocale(oldlocale);
if (duploc == (locale_t) 0)
{
perror ("duplocale");
exit (1);
}
newloc = newlocale(LC_NUMERIC, "C", duploc);
if (newloc) {
duploc = newloc;
newloc = newlocale(LC_TIME, "C", duploc);
}
else {
// if (duploc != (locale_t) LC_GLOBAL_LOCALE)
// freelocale(duploc);
}
}
}
akhilesh.k@DELL-BUILD10:$ ./a.out
*** Error in `./a.out': malloc(): memory corruption: 0x00007f8190000a30 ***
Aborted (core dumped)
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23975] "init (1): undefined instruction: pc¶fce0a8" during mounting ARM BE Root file system
Date: Tue, 11 Dec 2018 09:57:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
This is the _kernel_ executing an undefined instruction. This has nothing to
do with userspace.
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Subject: [Bug math/23961] powf can overflow to inf without setting errno in non-nearest rounding mode
Date: Tue, 11 Dec 2018 10:04:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 505b5b292293a5d6bd4046a6bc7f8c2381a33da4 (commit)
from 304c61a24f909168c16793ccf7c686237e53d003 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=505b5b292293a5d6bd4046a6bc7f8c2381a33da4
commit 505b5b292293a5d6bd4046a6bc7f8c2381a33da4
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Mon Dec 10 11:08:36 2018 +0000
Fix powf overflow handling in non-nearest rounding mode [BZ #23961]
The threshold value at which powf overflows depends on the rounding mode
and the current check did not take this into account. So when the result
was rounded away from zero it could become infinity without setting
errno to ERANGE.
Example: pow(0x1.7ac7cp+5, 23) is 0x1.fffffep+127 + 0.1633ulp
If the result goes above 0x1.fffffep+127 + 0.5ulp then errno is set,
which is fine in nearest rounding mode, but
powf(0x1.7ac7cp+5, 23) is inf in upward rounding mode
powf(-0x1.7ac7cp+5, 23) is -inf in downward rounding mode
and the previous implementation did not set errno in these cases.
The fix tries to avoid affecting the common code path or calling a
function that may introduce a stack frame, so float arithmetics is used
to check the rounding mode and the threshold is selected accordingly.
[BZ #23961]
* math/auto-libm-test-in: Add new test case.
* math/auto-libm-test-out-pow: Regenerated.
* sysdeps/ieee754/flt-32/e_powf.c (__powf): Fix overflow check.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++
math/auto-libm-test-in | 2 +
math/auto-libm-test-out-pow | 50 +++++++++++++++++++++++++++++++++++++++
sysdeps/ieee754/flt-32/e_powf.c | 12 +++++++++
4 files changed, 71 insertions(+), 0 deletions(-)
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From: "dcb314 at hotmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23976] New: trunk/timezone/zdump.c:811: missing call to va_end ?
Date: Tue, 11 Dec 2018 10:14:00 -0000
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Bug ID: 23976
Summary: trunk/timezone/zdump.c:811: missing call to va_end ?
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trunk/timezone/zdump.c:811]: (error) va_list 'args' was opened but not closed
by va_end().
Source code is
if (n < 0)
return n;
Suggest new code
if (n < 0) {
va_end(args);
return n;
}
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Tue, 11 Dec 2018 11:13:00 -0000
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--- Comment #6 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Adhemerval Zanella from comment #3)
> (In reply to joseph@codesourcery.com from comment #2)
> > Does an existing test in the glibc testsuite fail on m68k because of this
> > issue? If not, we need to add a new test.
> >
>
> I don't have access to a m68k since 2.26, so I can't really tell if these
> fail on a real or emulated system. I am working on debian developers to get
> a working system where I can actually check this.
Yes, we're working on this :-). I actually have one Amiga 4000 with an 68060 up
and running 24/7 which is being used as a porterbox. It's a tad bit slow but it
runs reliably and it's being used for a lot of testing. I will create an
account on this box for you and also send you a guide on how to install Debian
inside Aranym and qemu-m68k-system.
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>From glibc-bugs-return-44083-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 11:25:46 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 11:25:00 -0000
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
The 32-bit getdents64 system call on an x86-64 kernel returns a truncated d_off
value to userspace on ext4, while the 64-bit version of the system call uses
more bits for d_off, on the same directory.
As a result, the i386 glibc getdents implementation (which is based on the
32-bit getdents64 system call) does not observe any d_off values which would
have to be truncated, and readdir is able to enumerate the entire directory.
This looks like an emulation (QEMU?) problem to me, and not like a glibc bug.
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From: "jrtc27 at jrtc27 dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 11:30:00 -0000
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--- Comment #13 from James Clarke <jrtc27 at jrtc27 dot com> ---
(In reply to Florian Weimer from comment #12)
> The 32-bit getdents64 system call on an x86-64 kernel returns a truncated
> d_off value to userspace on ext4, while the 64-bit version of the system
> call uses more bits for d_off, on the same directory.
>
> As a result, the i386 glibc getdents implementation (which is based on the
> 32-bit getdents64 system call) does not observe any d_off values which would
> have to be truncated, and readdir is able to enumerate the entire directory.
>
> This looks like an emulation (QEMU?) problem to me, and not like a glibc bug.
Well, in some sense yes, but this is a new regression in glibc-on-qemu-user,
and given there's no reason why glibc needs to do it this way (it actually is
simpler *not* to even for glibc it seems; working on a patch at the moment) it
seems unhelpful to knowingly break this use-case.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Tue, 11 Dec 2018 11:57:00 -0000
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--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to John Paul Adrian Glaubitz from comment #6)
> (In reply to Adhemerval Zanella from comment #3)
> > (In reply to joseph@codesourcery.com from comment #2)
> > > Does an existing test in the glibc testsuite fail on m68k because of this
> > > issue? If not, we need to add a new test.
> > >
> >
> > I don't have access to a m68k since 2.26, so I can't really tell if these
> > fail on a real or emulated system. I am working on debian developers to get
> > a working system where I can actually check this.
>
> Yes, we're working on this :-). I actually have one Amiga 4000 with an 68060
> up and running 24/7 which is being used as a porterbox. It's a tad bit slow
> but it runs reliably and it's being used for a lot of testing. I will create
> an account on this box for you and also send you a guide on how to install
> Debian inside Aranym and qemu-m68k-system.
I could get a Aranym with debian and kernel 3.16 working and I could verify
that at least one signal testcase indeed fails on the system:
./testrun.sh signal/tst-sigaction; echo $?
error: tst-sigaction.c:46: not true: !(act.sa_flags & SA_RESETHAND)
error: 1 test failures
1
And it is fixed by using the generic kernel_sigaction.h. I will prepare a
patch.
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug ports/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Tue, 11 Dec 2018 12:02:00 -0000
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--- Comment #8 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
(In reply to Adhemerval Zanella from comment #7)
> I could get a Aranym with debian and kernel 3.16 working and I could verify
> that at least one signal testcase indeed fails on the system:
Cool! \o/ I will still create an account on the Amiga for you. It's currently
building glibc 2.28, then will run the testsuite. I'm waiting for this to
finish. I'll send you the login data once it's ready.
> ./testrun.sh signal/tst-sigaction; echo $?
>
> error: tst-sigaction.c:46: not true: !(act.sa_flags & SA_RESETHAND)
> error: 1 test failures
> 1
>
> And it is fixed by using the generic kernel_sigaction.h. I will prepare a
> patch.
Awesome, thanks. Please remember to backport to 2.28 so we can drop the patch
in the Debian package :-).
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 12:35:00 -0000
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--- Comment #14 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to James Clarke from comment #13)
> (In reply to Florian Weimer from comment #12)
> > The 32-bit getdents64 system call on an x86-64 kernel returns a truncated
> > d_off value to userspace on ext4, while the 64-bit version of the system
> > call uses more bits for d_off, on the same directory.
> >
> > As a result, the i386 glibc getdents implementation (which is based on the
> > 32-bit getdents64 system call) does not observe any d_off values which would
> > have to be truncated, and readdir is able to enumerate the entire directory.
> >
> > This looks like an emulation (QEMU?) problem to me, and not like a glibc bug.
>
> Well, in some sense yes, but this is a new regression in glibc-on-qemu-user,
> and given there's no reason why glibc needs to do it this way (it actually
> is simpler *not* to even for glibc it seems; working on a patch at the
> moment) it seems unhelpful to knowingly break this use-case.
I don't see this behavior either on a ARAnyM emulated system with vmlinuz-3.16.
Also it seems that for generic kernel UABI and newer ports kernel only provides
__NR_getdents64 (nios2 is a 32-bit only that only support __NR_getdents64). How
qemu-user handle such ABIs?
I do not oppose to handle it glibc by stepping a bit back and restore the old
getdents implementation, which was rather complex since it required to handle
three cases (__NR_getdents with user layout similar to kernel one,
__NR_getdents with kernel layout different from user, and __NR_getdents64
only). However it seems qemu semantic is intrinsically broken for newer ABIs
that does not provide getdents64 and I really think it should be fixed on qemu
to provide a similar semantic as the kernel.
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From: "jrtc27 at jrtc27 dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 12:42:00 -0000
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--- Comment #15 from James Clarke <jrtc27 at jrtc27 dot com> ---
(In reply to Adhemerval Zanella from comment #14)
> (In reply to James Clarke from comment #13)
> > (In reply to Florian Weimer from comment #12)
> > > The 32-bit getdents64 system call on an x86-64 kernel returns a truncated
> > > d_off value to userspace on ext4, while the 64-bit version of the system
> > > call uses more bits for d_off, on the same directory.
> > >
> > > As a result, the i386 glibc getdents implementation (which is based on the
> > > 32-bit getdents64 system call) does not observe any d_off values which would
> > > have to be truncated, and readdir is able to enumerate the entire directory.
> > >
> > > This looks like an emulation (QEMU?) problem to me, and not like a glibc bug.
> >
> > Well, in some sense yes, but this is a new regression in glibc-on-qemu-user,
> > and given there's no reason why glibc needs to do it this way (it actually
> > is simpler *not* to even for glibc it seems; working on a patch at the
> > moment) it seems unhelpful to knowingly break this use-case.
>
> I don't see this behavior either on a ARAnyM emulated system with
> vmlinuz-3.16.
> Also it seems that for generic kernel UABI and newer ports kernel only
> provides __NR_getdents64 (nios2 is a 32-bit only that only support
> __NR_getdents64). How qemu-user handle such ABIs?
>
> I do not oppose to handle it glibc by stepping a bit back and restore the
> old getdents implementation, which was rather complex since it required to
> handle three cases (__NR_getdents with user layout similar to kernel one,
> __NR_getdents with kernel layout different from user, and __NR_getdents64
> only). However it seems qemu semantic is intrinsically broken for newer ABIs
> that does not provide getdents64 and I really think it should be fixed on
> qemu to provide a similar semantic as the kernel.
You're right that this isn't a proper fix; QEMU currently just truncates d_off
for __NR_getdents on 32-bit targets, but that's what it's always (FSVO always)
done. At least with __NR_getdents on 32-bit targets it knows that userspace
wants a 32-bit d_off, though. With __NR_getdents64, what should QEMU do? It
could pass up the full 64-bit d_off, as one might reasonably expect (even
though this differs from what the kernel actually does on ext4 specifically),
or it could zero out the high half to work around this specific use of
__NR_getdents64. At least by using __NR_getdents, glibc is communicating to the
system call provider (be it QEMU or the kernel) whether it can handle a full
64-bit d_off.
The only real way glibc can use __NR_getdents64 and QEMU reliably emulate it is
if the kernel is taught a way to force it to use the 32-bit ABI semantics for
d_off, ie somehow pass FMODE_32BITHASH down to the kernel. But that doesn't
currently exist, so in my opinion we should try to make the best of what we
have and therefore glibc should use the "right" system call for the function.
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 12:47:00 -0000
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--- Comment #16 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to James Clarke from comment #15)
> You're right that this isn't a proper fix; QEMU currently just truncates
> d_off for __NR_getdents on 32-bit targets, but that's what it's always (FSVO
> always) done. At least with __NR_getdents on 32-bit targets it knows that
> userspace wants a 32-bit d_off, though. With __NR_getdents64, what should
> QEMU do?
Check if the emulated userspace runs in long mode. If it does, use the
kernel-supplied 64-bit value. If it does not, do whatever the kernel does to
produce the d_off value.
There must be many system calls where something like this is necessary.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 12:52:00 -0000
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--- Comment #17 from James Clarke <jrtc27 at jrtc27 dot com> ---
(In reply to Florian Weimer from comment #16)
> (In reply to James Clarke from comment #15)
> > You're right that this isn't a proper fix; QEMU currently just truncates
> > d_off for __NR_getdents on 32-bit targets, but that's what it's always (FSVO
> > always) done. At least with __NR_getdents on 32-bit targets it knows that
> > userspace wants a 32-bit d_off, though. With __NR_getdents64, what should
> > QEMU do?
>
> Check if the emulated userspace runs in long mode. If it does, use the
> kernel-supplied 64-bit value. If it does not, do whatever the kernel does
> to produce the d_off value.
>
> There must be many system calls where something like this is necessary.
Except this behaviour is filesystem-specific and *only* occurs on ext4. If you
have a big enough directory in BTRFS you will get back a value bigger than 2^32
even on i386. For ext4 we'd need to convert it, but for BTRFS we'd need to
report EOVERFLOW. We can't support both simultaneously without horrendous
probing and hard-coding the encoding of d_off for ext4 which I would assume is
meant to be an implementation detail that could change.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
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--- Comment #18 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to James Clarke from comment #17)
> (In reply to Florian Weimer from comment #16)
> > (In reply to James Clarke from comment #15)
> > > You're right that this isn't a proper fix; QEMU currently just truncates
> > > d_off for __NR_getdents on 32-bit targets, but that's what it's always (FSVO
> > > always) done. At least with __NR_getdents on 32-bit targets it knows that
> > > userspace wants a 32-bit d_off, though. With __NR_getdents64, what should
> > > QEMU do?
> >
> > Check if the emulated userspace runs in long mode. If it does, use the
> > kernel-supplied 64-bit value. If it does not, do whatever the kernel does
> > to produce the d_off value.
> >
> > There must be many system calls where something like this is necessary.
>
> Except this behaviour is filesystem-specific and *only* occurs on ext4. If
> you have a big enough directory in BTRFS you will get back a value bigger
> than 2^32 even on i386. For ext4 we'd need to convert it, but for BTRFS we'd
> need to report EOVERFLOW. We can't support both simultaneously without
> horrendous probing and hard-coding the encoding of d_off for ext4 which I
> would assume is meant to be an implementation detail that could change.
Sigh, alright I would really like to avoid this workaround on glibc but it
looks like it seems the most straightforward issue.
However, new 32-bits ABI which only provides getdents64 such as nios2 and
possible newer one as sky, arc, and riscv32; will continue to be broken: glibc
will still provide non-LFS interfaces for such cases (since off_t will defined
as long int regardless). It will be fixed only when we really phase out non-LFS
support for good, especially for newer ports.
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
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--- Comment #19 from James Clarke <jrtc27 at jrtc27 dot com> ---
(In reply to Adhemerval Zanella from comment #18)
> (In reply to James Clarke from comment #17)
> > (In reply to Florian Weimer from comment #16)
> > > (In reply to James Clarke from comment #15)
> > > > You're right that this isn't a proper fix; QEMU currently just truncates
> > > > d_off for __NR_getdents on 32-bit targets, but that's what it's always (FSVO
> > > > always) done. At least with __NR_getdents on 32-bit targets it knows that
> > > > userspace wants a 32-bit d_off, though. With __NR_getdents64, what should
> > > > QEMU do?
> > >
> > > Check if the emulated userspace runs in long mode. If it does, use the
> > > kernel-supplied 64-bit value. If it does not, do whatever the kernel does
> > > to produce the d_off value.
> > >
> > > There must be many system calls where something like this is necessary.
> >
> > Except this behaviour is filesystem-specific and *only* occurs on ext4. If
> > you have a big enough directory in BTRFS you will get back a value bigger
> > than 2^32 even on i386. For ext4 we'd need to convert it, but for BTRFS we'd
> > need to report EOVERFLOW. We can't support both simultaneously without
> > horrendous probing and hard-coding the encoding of d_off for ext4 which I
> > would assume is meant to be an implementation detail that could change.
>
> Sigh, alright I would really like to avoid this workaround on glibc but it
> looks like it seems the most straightforward issue.
>
> However, new 32-bits ABI which only provides getdents64 such as nios2 and
> possible newer one as sky, arc, and riscv32; will continue to be broken:
> glibc will still provide non-LFS interfaces for such cases (since off_t will
> defined as long int regardless). It will be fixed only when we really phase
> out non-LFS support for good, especially for newer ports.
Sounds to me like any port without a getdents system call should have only LFS
(much like how new ports should have a 64-bit time_t forced upon them), using
the kernel's lack of support as motivation. Are there any current 32-bit ports
that only have getdents64?
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 13:44:00 -0000
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--- Comment #20 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to James Clarke from comment #19)
> (In reply to Adhemerval Zanella from comment #18)
> > (In reply to James Clarke from comment #17)
> > > (In reply to Florian Weimer from comment #16)
> > > > (In reply to James Clarke from comment #15)
> > > > > You're right that this isn't a proper fix; QEMU currently just truncates
> > > > > d_off for __NR_getdents on 32-bit targets, but that's what it's always (FSVO
> > > > > always) done. At least with __NR_getdents on 32-bit targets it knows that
> > > > > userspace wants a 32-bit d_off, though. With __NR_getdents64, what should
> > > > > QEMU do?
> > > >
> > > > Check if the emulated userspace runs in long mode. If it does, use the
> > > > kernel-supplied 64-bit value. If it does not, do whatever the kernel does
> > > > to produce the d_off value.
> > > >
> > > > There must be many system calls where something like this is necessary.
> > >
> > > Except this behaviour is filesystem-specific and *only* occurs on ext4. If
> > > you have a big enough directory in BTRFS you will get back a value bigger
> > > than 2^32 even on i386. For ext4 we'd need to convert it, but for BTRFS we'd
> > > need to report EOVERFLOW. We can't support both simultaneously without
> > > horrendous probing and hard-coding the encoding of d_off for ext4 which I
> > > would assume is meant to be an implementation detail that could change.
> >
> > Sigh, alright I would really like to avoid this workaround on glibc but it
> > looks like it seems the most straightforward issue.
> >
> > However, new 32-bits ABI which only provides getdents64 such as nios2 and
> > possible newer one as sky, arc, and riscv32; will continue to be broken:
> > glibc will still provide non-LFS interfaces for such cases (since off_t will
> > defined as long int regardless). It will be fixed only when we really phase
> > out non-LFS support for good, especially for newer ports.
>
> Sounds to me like any port without a getdents system call should have only
> LFS (much like how new ports should have a 64-bit time_t forced upon them),
> using the kernel's lack of support as motivation. Are there any current
> 32-bit ports that only have getdents64?
>From a kernel standpoint, I think it is the case: new ports will only provide
the LFS variants (I think the idea is essentially the same for 64 time_t). The
issue is glibc only sets off_t being off64_t for LP64 architectures. I am not
sure how hard would be for newer 32-bit ports to not provide non-LFS variants,
although I think it is doable (it would require a arch-specific typesizes.h
plus some adjustments I think).
Unfortunately, we have nios2 which still provides non-LFS variants through
glibc.
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>From glibc-bugs-return-44094-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 13:56:36 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 13:56:00 -0000
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--- Comment #21 from Florian Weimer <fweimer at redhat dot com> ---
I'm not sure if the lack of getdents for new architectures is relevant here.
After all, the i386 compat behavior affects both getdents and getdents64. What
seems to be missing is an interface that QEMU can use to tell the kernel that
it wants compat behavior from the kernel. Something like O_LARGEFILE, but
which is not enabled by default.
The question is whether the kernel wants to carry around this baggage just for
the sake of QEMU.
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 14:00:00 -0000
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richard prohaska <prohaska7 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |prohaska7 at gmail dot com
--- Comment #3 from richard prohaska <prohaska7 at gmail dot com> ---
A simpler test case based on the original test case which uses only one lock
(and only two threads also reproduces the thread hangs when using the trywrlock
function. Since there are only two threads manipulating the same lock, it will
be easier to identify the cause of the thread hangs.
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 14:02:00 -0000
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--- Comment #4 from richard prohaska <prohaska7 at gmail dot com> ---
Created attachment 11448
--> https://sourceware.org/bugzilla/attachment.cgi?id=11448&action=edit
simpler trywrlock test case
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>From glibc-bugs-return-44097-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 14:16:14 2018
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 14:16:00 -0000
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--- Comment #5 from richard prohaska <prohaska7 at gmail dot com> ---
The futex waits on the wrphase futex occur because the 'USED' flag is being
discarded by the 'trywrlock' function. Since the 'USED' flag is discarded, the
'wrunlock' function will not wake the futex when the rwlock is released. This
causes other threads waiting for the rwlock to hang.
The 'wrlock' function does the following on an uncontended lock that is already
in the write phase. (1) the WL bit is atomically set, (2) if the WL was not
previously set then this thread holds the exclusive write lock (3) the writers
futex is set to 1, and finally (4) the cur_writer is set. Note that the
wrphase futext is not changed in this 'wrlock' code path.
Unfortunately, the 'trywrlock' function ALSO sets the wrphase futex = 1. This
is racy with the contended lock code paths in the 'rdlock' and 'wrlock'
functions, and can cause the 'USED' bit to be lost.
The patch just removes the code in 'trywrlock' that sets the wrphase futex to
match the 'wrlock' fast path logic. This patch passes the included test cases.
diff --git a/nptl/pthread_rwlock_trywrlock.c b/nptl/pthread_rwlock_trywrlock.c
index 5a73eba756..b423648ad6 100644
--- a/nptl/pthread_rwlock_trywrlock.c
+++ b/nptl/pthread_rwlock_trywrlock.c
@@ -47,7 +47,6 @@ __pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock)
r | PTHREAD_RWLOCK_WRPHASE | PTHREAD_RWLOCK_WRLOCKED))
{
atomic_store_relaxed (&rwlock->__data.__writers_futex, 1);
- atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1);
atomic_store_relaxed (&rwlock->__data.__cur_writer,
THREAD_GETMEM (THREAD_SELF, tid));
return 0;
I have also seen thread hangs when only using 'tryrdlock' (not 'trywrlock') in
these test cases. This indicates that there is also a problem in the
'tryrdlock' function.
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>From glibc-bugs-return-44098-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 14:23:42 2018
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
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--- Comment #6 from richard prohaska <prohaska7 at gmail dot com> ---
Created attachment 11449
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trywrlock patch
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Subject: [Bug locale/23970] Make setlocale MT-safe.
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[Bug] Fix race condition |Make setlocale MT-safe.
|between uselocale/setlocale |
|and duplocale |
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Akhilesh from comment #3)
> Yes we Agree that setlocale() is not MT-safe. But we are getting the same
> issue even with LC_GLOBAL_LOCALE.
(In reply to Akhilesh from comment #4)
> Even with out freelocale also we are getting "memory corruption"
The example you are showing is *still* using setlocale() and it is not MT-safe.
All locale using functions in threads may crash, corrupt data, or worse if you
call setlocale() without coordination from all threads.
The glibc manual and C11 call out that setlocale() is not thread safe.
> Also I Think we should not restrict application developer, Also in any
> scenario glibc should not corrupts its metadata. Since proposed fix,
> Protects the heap corruption to avoid undefined behavior, we can consider
> this.
(1) Restricting the application developer.
Some restrictions have to exist for performance reasons.
To make setlocale() MT-safe would require locking all locale using functions to
avoid setlocale() causing data races, and the runtime cost for that is very
high, therefore we leave it MT-unsafe.
You *can* use setlocale() to change locales, but the *developer* must handle
the coordination between all threads.
(2) glibc should not corrupt its metadata.
See "10.2. Bugs in the user program"
https://sourceware.org/glibc/wiki/Style_and_Conventions#Error_Handling
We give preference to correctly running well defined programs, and generally we
do not extend the size of the critical section (what your patch does) to try
make undefined behaviour work properly. It adds latency (larger critical
section) for no reward.
> Also we found same protection in newlocale but not in duplocale.
(3) newlocale has locking.
In both newlocale and duplocale we have locking because both functions are
designed to be MT-safe with respect to: uselocale, newlocale, duplocale,
freelocale. All 4 functions are designed to be used from threads, and must be
MT-safe (so long as the passed in locale is not free'd via freelocale by
another thread, that's a user-created data race and undefined behaviour).
You have not provided any strong rationale for making setlocale() MT-safe, and
worse making it MT-safe has significant performance cost for little benefit.
Does that explain my position?
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From: "triegel at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 15:28:00 -0000
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--- Comment #7 from Torvald Riegel <triegel at redhat dot com> ---
(In reply to richard prohaska from comment #5)
> The futex waits on the wrphase futex occur because the 'USED' flag is being
> discarded by the 'trywrlock' function. Since the 'USED' flag is discarded,
> the 'wrunlock' function will not wake the futex when the rwlock is released.
> This causes other threads waiting for the rwlock to hang.
I agree with your analysis of what the root cause is, but the fix you propose
isn't correct.
trywrlock needs to install a write-phase, but only in some cases. Essentially,
this is:
- atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1);
+ /* If we started a write phase, we need to enable readers to
+ wait. If we did not, we must not change it because other threads
+ may have set the PTHREAD_RWLOCK_FUTEX_USED in the meantime. */
+ if ((r & PTHREAD_RWLOCK_WRPHASE) == 0)
+ atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1);
I haven't looked at your tryrdlock case yet.
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>From glibc-bugs-return-44102-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 15:57:15 2018
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 15:57:00 -0000
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--- Comment #8 from richard prohaska <prohaska7 at gmail dot com> ---
Created attachment 11450
--> https://sourceware.org/bugzilla/attachment.cgi?id=11450&action=edit
test case for tryrdlock hangs
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 16:01:00 -0000
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--- Comment #9 from richard prohaska <prohaska7 at gmail dot com> ---
On my machine, bug23488.rd.c hangs after 1490 invocations. Both threads
waiting on wrphase futex.
Thread 3 (Thread 0x7f28d40ff700 (LWP 11018)):
#0 futex_abstimed_wait (private=0, abstime=0x0, expected=2,
futex_word=0x55b0dfcdc068 <rw_lock+8>) at
../sysdeps/unix/sysv/linux/futex-internal.h:172
#1 __pthread_rwlock_wrlock_full (abstime=0x0, rwlock=0x55b0dfcdc060 <rw_lock>)
at pthread_rwlock_common.c:803
#2 __GI___pthread_rwlock_wrlock (rwlock=0x55b0dfcdc060 <rw_lock>) at
pthread_rwlock_wrlock.c:27
#3 0x000055b0dfcd9282 in runner (arg=0x0) at bug23844.rd.c:42
#4 0x00007f28d4b0df50 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#5 0x00007f28d4a1edef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f28d4900700 (LWP 11017)):
#0 futex_abstimed_wait (private=0, abstime=0x0, expected=3,
futex_word=0x55b0dfcdc068 <rw_lock+8>) at
../sysdeps/unix/sysv/linux/futex-internal.h:172
#1 __pthread_rwlock_rdlock_full (abstime=0x0, rwlock=0x55b0dfcdc060 <rw_lock>)
at pthread_rwlock_common.c:446
#2 __GI___pthread_rwlock_rdlock (rwlock=0x55b0dfcdc060 <rw_lock>) at
pthread_rwlock_rdlock.c:27
#3 0x000055b0dfcd9300 in runner (arg=0x0) at bug23844.rd.c:52
#4 0x00007f28d4b0df50 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#5 0x00007f28d4a1edef in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f28d4901740 (LWP 11016)):
#0 0x00007f28d4b0f37d in __GI___pthread_timedjoin_ex
(threadid=139813341628160, thread_return=0x0, abstime=0x0, block=<optimized
out>) at pthread_join_common.c:89
#1 0x000055b0dfcd952b in main (argc=1, argv=0x7ffe734366e8) at
bug23844.rd.c:112
p *rwlock
$3 = {__data = {__readers = 10, __writers = 0, __wrphase_futex = 2,
__writers_futex = 1, __pad3 = 0, __pad4 = 0, __cur_writer = 0
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>From glibc-bugs-return-44104-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 17:20:48 2018
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Subject: [Bug math/23961] powf can overflow to inf without setting errno in non-nearest rounding mode
Date: Tue, 11 Dec 2018 17:20:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Please mark this as RESOLVED / FIXED with target milestone set
appropriately if the commit fixes the bug.
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>From glibc-bugs-return-44106-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 17:22:55 2018
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Subject: [Bug time/23976] trunk/timezone/zdump.c:811: missing call to va_end ?
Date: Tue, 11 Dec 2018 17:22:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
This code is imported from external sources and not modified locally in
glibc. Please report your concern to tz@iana.org, not here.
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Subject: [Bug libc/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Tue, 11 Dec 2018 17:22:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |drepper.fsp at gmail dot com
Component|ports |libc
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>From glibc-bugs-return-44107-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 17:38:22 2018
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 17:38:00 -0000
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--- Comment #22 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
As d_off is an opaque value, can't __getdents just truncate without
producing an EOVERFLOW error? As __getdents is a purely internal
function, its interface could be changed to return a truncation indication
or indeed to provide the full d_off value somehow - such truncation
indication only being relevant if telldir is used (which has a return type
of long int and no corresponding LFS version). Though if you want telldir
/ seekdir to work in this case, maybe you do need to get the properly
truncated value from the kernel (and also to add LFS versions of telldir /
seekdir that work with directories too large for long on 32-bit systems).
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>From glibc-bugs-return-44108-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 17:43:38 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 17:43:00 -0000
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--- Comment #23 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On existing 32-bit architectures, we're saying _TIME_BITS=64 will only be
allowed with _FILE_OFFSET_BITS=64, to avoid needing an ABI variant (and
thus struct stat variant) with 32-bit offsets but 64-bit times. It would
seem reasonable enough to say that any new 32-bit architectures that
choose to have only 64-bit time from the start (like 32-bit RISC-V) should
also have only 64-bit file offsets etc. from the start as well (like x32).
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>From glibc-bugs-return-44109-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 18:26:21 2018
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From: "prohaska7 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 18:26:00 -0000
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--- Comment #10 from richard prohaska <prohaska7 at gmail dot com> ---
(In reply to Torvald Riegel from comment #7)
> (In reply to richard prohaska from comment #5)
> > The futex waits on the wrphase futex occur because the 'USED' flag is being
> > discarded by the 'trywrlock' function. Since the 'USED' flag is discarded,
> > the 'wrunlock' function will not wake the futex when the rwlock is released.
> > This causes other threads waiting for the rwlock to hang.
>
> I agree with your analysis of what the root cause is, but the fix you
> propose isn't correct.
>
> trywrlock needs to install a write-phase, but only in some cases.
> Essentially, this is:
> - atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1);
> + /* If we started a write phase, we need to enable readers to
> + wait. If we did not, we must not change it because other threads
> + may have set the PTHREAD_RWLOCK_FUTEX_USED in the meantime. */
> + if ((r & PTHREAD_RWLOCK_WRPHASE) == 0)
> + atomic_store_relaxed (&rwlock->__data.__wrphase_futex, 1);
>
> I haven't looked at your tryrdlock case yet.
I agree with this patch since it matches the wrlock logic that changes the read
phase to write phase.
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>From glibc-bugs-return-44110-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 20:54:45 2018
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 20:54:00 -0000
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--- Comment #24 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to joseph@codesourcery.com from comment #22)
> As d_off is an opaque value, can't __getdents just truncate without
> producing an EOVERFLOW error? As __getdents is a purely internal
> function, its interface could be changed to return a truncation indication
> or indeed to provide the full d_off value somehow - such truncation
> indication only being relevant if telldir is used (which has a return type
> of long int and no corresponding LFS version). Though if you want telldir
> / seekdir to work in this case, maybe you do need to get the properly
> truncated value from the kernel (and also to add LFS versions of telldir /
> seekdir that work with directories too large for long on 32-bit systems).
One issue I can think of, if I am reading the ext4 code correctly, is the hash
is encoded on high bits of d_off:
fs/ext4/dir.c:
302 /*
303 * These functions convert from the major/minor hash to an f_pos
304 * value for dx directories
305 *
306 * Upper layer (for example NFS) should specify FMODE_32BITHASH or
307 * FMODE_64BITHASH explicitly. On the other hand, we allow ext4 to be
mounted
308 * directly on both 32-bit and 64-bit nodes, under such case, neither
309 * FMODE_32BITHASH nor FMODE_64BITHASH is specified.
310 */
311 static inline loff_t hash2pos(struct file *filp, __u32 major, __u32 minor)
312 {
313 if ((filp->f_mode & FMODE_32BITHASH) ||
314 (!(filp->f_mode & FMODE_64BITHASH) && is_32bit_api()))
315 return major >> 1;
316 else
317 return ((__u64)(major >> 1) << 32) | (__u64)minor;
318 }
It means that to mimic the FMODE_32BITHASH / 32 bits API we will need to return
the 32 high bits, which might not be correct for other filesystems.
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>From glibc-bugs-return-44111-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 21:16:16 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Tue, 11 Dec 2018 21:16:00 -0000
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--- Comment #25 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to joseph@codesourcery.com from comment #22)
> As d_off is an opaque value, can't __getdents just truncate without
> producing an EOVERFLOW error? As __getdents is a purely internal
> function, its interface could be changed to return a truncation indication
> or indeed to provide the full d_off value somehow - such truncation
> indication only being relevant if telldir is used (which has a return type
> of long int and no corresponding LFS version).
That pretty much breaks seekdir/telldir on top of getdents64 for 32-bit systems
unless the compat kludge described in comment 24 is active. It's rather
annoying that LFS does not solve this.
If we want to get truly ambitious we could allocate our own file offsets in
telldir, so that they will fit into the 31 bits we have, keep the lookup tables
in the directory stream, and deallocate them on a call to closedir. But that
would still be a waste on file systems which do the right thing internally
(such as XFS). Maybe we could avoid doing this if the offsets in the result
buffer of getdents64 are monotonically increasing and sufficiently small, but
it's a lot of work for a fringe use case of a fringe feature.
It looks to me that qemu-user papers over this by truncating the values. I'm
pretty sure that this will break seekdir on ext4, but apparently that's an
improvement over proper error checking.
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>From glibc-bugs-return-44112-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 11 21:44:42 2018
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From: "prohaska7 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
Date: Tue, 11 Dec 2018 21:44:00 -0000
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--- Comment #11 from richard prohaska <prohaska7 at gmail dot com> ---
Lets compare the logic in tryrdlock and rdlock WRT the transition from write
phase to read phase. In tryrdlock, the wrphase futex is just set to 0. In
rtdlock, the wrphase futext is exchanged with 0, and if the USED bit was set
then the futex is awakened. I wonder if this difference is responsible for the
subsequent hangs.
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>From glibc-bugs-return-44113-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 07:56:42 2018
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From: "ahori at riken dot jp" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23978] New: dlmopen(): increasing the number of name spaces
Date: Wed, 12 Dec 2018 07:56:00 -0000
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Bug ID: 23978
Summary: dlmopen(): increasing the number of name spaces
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: ahori at riken dot jp
CC: drepper.fsp at gmail dot com
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Is there any chance to increase the number of name spaces created by calling
dlmopen()?
I am working on new parallel execution model (named Process-in-Process (PiP),
detailes: https://dl.acm.org/citation.cfm?id=3208045) and I want to create name
spaces much more than 16 which is the current upper limit.
I already have a patch to do this. It is very simple. Just increase the number
of DL_NNS found in sysdeps/generic/ldsodefs.h. I would like to have around 300
which is mlarger than the number of cores available on Xeon Phi (KNL).
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>From glibc-bugs-return-44114-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 08:00:49 2018
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Subject: [Bug libc/23978] dlmopen(): increasing the number of name spaces
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Atsushi Hori <ahori at riken dot jp> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ahori at riken dot jp
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>From glibc-bugs-return-44115-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 11:32:45 2018
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Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b5a9a19b82bb00b5419162f49331a7580ac06b4e
commit b5a9a19b82bb00b5419162f49331a7580ac06b4e
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 6 15:39:50 2018 +0100
inet/tst-if_index-long: New test case for CVE-2018-19591 [BZ #23927]
(cherry picked from commit 899478c2bfa00c5df8d8bedb52effbb065700278)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4c2dada5070c9adc93e548826333c8be34f0c50a
commit 4c2dada5070c9adc93e548826333c8be34f0c50a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 6 15:39:42 2018 +0100
support: Implement <support/descriptors.h> to track file descriptors
(cherry picked from commit f255336a9301619519045548acb2e1027065a837)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=874c28c9f5d14586ab71cd4af6899b11753caf25
commit 874c28c9f5d14586ab71cd4af6899b11753caf25
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Dec 1 21:43:36 2018 +0100
support: Close original descriptors in support_capture_subprocess
(cherry picked from commit 02cd5c1a8d033d7f91fea12a66bb44d1bbf85f76)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9dd07a91dba984c223730af30741565cb9bd88d5
commit 9dd07a91dba984c223730af30741565cb9bd88d5
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Nov 28 07:00:48 2018 +0100
support_quote_string: Do not use str parameter name
This avoids a build failure if this identifier is used as a macro
in a test.
(cherry picked from commit 47d8d9a2172f827a8dde7695f415aa6f78a82d0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4718b053dfef495a4d5189e4210bc66106873522
commit 4718b053dfef495a4d5189e4210bc66106873522
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Nov 27 21:35:56 2018 +0100
support: Implement support_quote_string
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
(cherry picked from commit c74a91deaa5de416237c02bbb3e41bda76ca4c7b)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 38 +++++
inet/Makefile | 2 +-
inet/tst-if_index-long.c | 61 ++++++++
support/Makefile | 4 +
support/check.h | 4 +
support/descriptors.h | 47 ++++++
support/support.h | 5 +
support/support_capture_subprocess.c | 6 +
support/support_descriptors.c | 274 ++++++++++++++++++++++++++++++++++
support/support_quote_string.c | 26 ++++
support/support_record_failure.c | 8 +
support/tst-support_descriptors.c | 198 ++++++++++++++++++++++++
support/tst-support_quote_string.c | 60 ++++++++
13 files changed, 732 insertions(+), 1 deletions(-)
create mode 100644 inet/tst-if_index-long.c
create mode 100644 support/descriptors.h
create mode 100644 support/support_descriptors.c
create mode 100644 support/support_quote_string.c
create mode 100644 support/tst-support_descriptors.c
create mode 100644 support/tst-support_quote_string.c
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
Date: Wed, 12 Dec 2018 11:33:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ea16a6938d7ca5f4c2b67c11251c70b30796602a
commit ea16a6938d7ca5f4c2b67c11251c70b30796602a
Author: DJ Delorie <dj@redhat.com>
Date: Fri Nov 30 22:13:09 2018 -0500
malloc: Add another test for tcache double free check.
This one tests for BZ#23907 where the double free
test didn't check the tcache bin bounds before dereferencing
the bin.
[BZ #23907]
* malloc/tst-tcfree3.c: New.
* malloc/Makefile: Add it.
(cherry picked from commit 7c9a7c68363051cfc5fa1ebb96b3b2c1f82dcb76)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +++++
malloc/Makefile | 2 +-
malloc/tst-tcfree3.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 63 insertions(+), 1 deletions(-)
create mode 100644 malloc/tst-tcfree3.c
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Subject: [Bug malloc/23907] Incorrect double-free malloc tcache check disregards tcache size
Date: Wed, 12 Dec 2018 12:41:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=50477165b93538654f2d03a598e9ede45e7f5ac3
commit 50477165b93538654f2d03a598e9ede45e7f5ac3
Author: DJ Delorie <dj@redhat.com>
Date: Fri Nov 30 22:13:09 2018 -0500
malloc: Add another test for tcache double free check.
This one tests for BZ#23907 where the double free
test didn't check the tcache bin bounds before dereferencing
the bin.
[BZ #23907]
* malloc/tst-tcfree3.c: New.
* malloc/Makefile: Add it.
(cherry picked from commit 7c9a7c68363051cfc5fa1ebb96b3b2c1f82dcb76)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4b246928bd7ffabad7303dffa84ee542450e56d9
commit 4b246928bd7ffabad7303dffa84ee542450e56d9
Author: DJ Delorie <dj@delorie.com>
Date: Tue Nov 20 13:24:09 2018 -0500
malloc: tcache double free check
* malloc/malloc.c (tcache_entry): Add key field.
(tcache_put): Set it.
(tcache_get): Likewise.
(_int_free): Check for double free in tcache.
* malloc/tst-tcfree1.c: New.
* malloc/tst-tcfree2.c: New.
* malloc/Makefile: Run the new tests.
* manual/probes.texi: Document memory_tcache_double_free probe.
* dlfcn/dlerror.c (check_free): Prevent double frees.
(cherry picked from commit bcdaad21d4635931d1bd3b54a7894276925d081d)
malloc: tcache: Validate tc_idx before checking for double-frees [BZ
#23907]
The previous check could read beyond the end of the tcache entry
array. If the e->key == tcache cookie check happened to pass, this
would result in crashes.
(cherry picked from commit affec03b713c82c43a5b025dddc21bde3334f41e)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 26 +++++++++++++++++++++++
dlfcn/dlerror.c | 5 +++-
malloc/Makefile | 1 +
malloc/malloc.c | 40 ++++++++++++++++++++++++++++++-----
malloc/tst-tcfree1.c | 42 +++++++++++++++++++++++++++++++++++++
malloc/tst-tcfree2.c | 48 ++++++++++++++++++++++++++++++++++++++++++
malloc/tst-tcfree3.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++
manual/probes.texi | 12 ++++++++++
8 files changed, 223 insertions(+), 7 deletions(-)
create mode 100644 malloc/tst-tcfree1.c
create mode 100644 malloc/tst-tcfree2.c
create mode 100644 malloc/tst-tcfree3.c
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
Date: Wed, 12 Dec 2018 12:41:00 -0000
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--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit f1e211096b612c9e6c6d3fb6cc0d773ebfd797af
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 6 15:39:50 2018 +0100
inet/tst-if_index-long: New test case for CVE-2018-19591 [BZ #23927]
(cherry picked from commit 899478c2bfa00c5df8d8bedb52effbb065700278)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e9f34e54f4dc61e8ad7d8f82e64c271912965e5
commit 4e9f34e54f4dc61e8ad7d8f82e64c271912965e5
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Dec 6 15:39:42 2018 +0100
support: Implement <support/descriptors.h> to track file descriptors
(cherry picked from commit f255336a9301619519045548acb2e1027065a837)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e75481a7a7a5b4b5433f7e157fc103866aeea0f4
commit e75481a7a7a5b4b5433f7e157fc103866aeea0f4
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Dec 1 21:43:36 2018 +0100
support: Close original descriptors in support_capture_subprocess
(cherry picked from commit 02cd5c1a8d033d7f91fea12a66bb44d1bbf85f76)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f79dc0be3a5683cf266ef0756fe7feceb4727c9
commit 0f79dc0be3a5683cf266ef0756fe7feceb4727c9
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Nov 28 07:00:48 2018 +0100
support_quote_string: Do not use str parameter name
This avoids a build failure if this identifier is used as a macro
in a test.
(cherry picked from commit 47d8d9a2172f827a8dde7695f415aa6f78a82d0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6b2dd53aa0082f45749b6baa8f229af9c220233c
commit 6b2dd53aa0082f45749b6baa8f229af9c220233c
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Nov 27 21:35:56 2018 +0100
support: Implement support_quote_string
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
(cherry picked from commit c74a91deaa5de416237c02bbb3e41bda76ca4c7b)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 38 +++++
inet/Makefile | 2 +-
inet/tst-if_index-long.c | 61 ++++++++
support/Makefile | 4 +
support/check.h | 4 +
support/descriptors.h | 47 ++++++
support/support.h | 5 +
support/support_capture_subprocess.c | 6 +
support/support_descriptors.c | 274 ++++++++++++++++++++++++++++++++++
support/support_quote_string.c | 26 ++++
support/support_record_failure.c | 8 +
support/tst-support_descriptors.c | 198 ++++++++++++++++++++++++
support/tst-support_quote_string.c | 60 ++++++++
13 files changed, 732 insertions(+), 1 deletions(-)
create mode 100644 inet/tst-if_index-long.c
create mode 100644 support/descriptors.h
create mode 100644 support/support_descriptors.c
create mode 100644 support/support_quote_string.c
create mode 100644 support/tst-support_descriptors.c
create mode 100644 support/tst-support_quote_string.c
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Subject: [Bug libc/23614] powerpc: missing CFI register information
Date: Wed, 12 Dec 2018 13:10:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d880d4a9bf7608c2cd33bbe954ce6995f79121a
commit 1d880d4a9bf7608c2cd33bbe954ce6995f79121a
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date: Wed Dec 12 10:41:52 2018 -0200
powerpc: Add missing CFI register information (bug #23614)
Add CFI information about the offset of registers stored in the stack
frame.
[BZ #23614]
* sysdeps/powerpc/powerpc64/addmul_1.S (FUNC): Add CFI offset for
registers saved in the stack frame.
* sysdeps/powerpc/powerpc64/lshift.S (__mpn_lshift): Likewise.
* sysdeps/powerpc/powerpc64/mul_1.S (__mpn_mul_1): Likewise.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
sysdeps/powerpc/powerpc64/addmul_1.S | 31 +++++++++++++++++++++----------
sysdeps/powerpc/powerpc64/lshift.S | 12 ++++++++----
sysdeps/powerpc/powerpc64/mul_1.S | 13 +++++++++----
4 files changed, 46 insertions(+), 18 deletions(-)
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>From glibc-bugs-return-44120-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 13:11:57 2018
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Subject: [Bug libc/23614] powerpc: missing CFI register information
Date: Wed, 12 Dec 2018 13:11:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at ascii dot art.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at ascii dot art.br> ---
Fixed in glibc 2.29 (without the __brk changes, per comment #1).
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
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--- Comment #12 from richard prohaska <prohaska7 at gmail dot com> ---
Created attachment 11457
--> https://sourceware.org/bugzilla/attachment.cgi?id=11457&action=edit
patch for tryrdlock function
added logic to tryrdlock that exists in rdlock to wake the wrphase futex when
the rwlock phase transistions from write phase to read phase. this logic
wakes up other threads stalled in the rdlock function.
this patch can successfully run the tryrdlock test cases.
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>From glibc-bugs-return-44122-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 16:19:40 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23976] trunk/timezone/zdump.c:811: missing call to va_end ?
Date: Wed, 12 Dec 2018 16:19:00 -0000
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eggert at cs dot ucla.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-12-12
CC| |eggert at cs dot ucla.edu
Ever confirmed|0 |1
--- Comment #2 from eggert at cs dot ucla.edu ---
Thanks, fixed (but not yet released) upstream as noted here:
https://mm.icann.org/pipermail/tz/2018-December/027308.html
The fix should be needed only when __STDC_VERSION__ < 199901 or when
HAVE_SNPRINTF is defined to be 0, so it's not clear to me whether it's needed
for glibc builds. If it is needed, perhaps -DHAVE_SNPRINTF=1 should be added to
CFLAGS when compiling tzdb-related files, independently of this bug?
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>From glibc-bugs-return-44123-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 17:31:08 2018
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Subject: [Bug math/23961] powf can overflow to inf without setting errno in non-nearest rounding mode
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Szabolcs Nagy <nsz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Version|2.27 |2.29
Resolution|--- |FIXED
--- Comment #3 from Szabolcs Nagy <nsz at gcc dot gnu.org> ---
fixed in commit 505b5b292293a5d6bd4046a6bc7f8c2381a33da4
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Subject: [Bug math/23961] powf can overflow to inf without setting errno in non-nearest rounding mode
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Szabolcs Nagy <nsz at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
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--- Comment #4 from Szabolcs Nagy <nsz at gcc dot gnu.org> ---
fixed in commit 505b5b292293a5d6bd4046a6bc7f8c2381a33da4
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>From glibc-bugs-return-44125-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 19:06:53 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23976] trunk/timezone/zdump.c:811: missing call to va_end ?
Date: Wed, 12 Dec 2018 19:06:00 -0000
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eggert at cs dot ucla.edu changed:
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--- Comment #3 from eggert at cs dot ucla.edu ---
In <https://mm.icann.org/pipermail/tz/2018-December/027309.html> dcb reported
that this bug was found by a static analysis tool that inspects zdump.c code
that should be ifdeffed out for systems like glibc that support C99 or supply
snprintf.
This issue should therefore not be a bug for glibc (though it is relevant
upstream, which still supports C89
<https://mm.icann.org/pipermail/tz/2017-June/025139.html>). Marking the glibc
bug as RESOLVED and WORKSFORME, the closest annotation I can see for this
situation.
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>From glibc-bugs-return-44126-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 12 21:43:41 2018
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From: "triegel at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/23844] pthread_rwlock_trywrlock results in hang
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--- Comment #13 from Torvald Riegel <triegel at redhat dot com> ---
(In reply to richard prohaska from comment #12)
> Created attachment 11457 [details]
> patch for tryrdlock function
>
> added logic to tryrdlock that exists in rdlock to wake the wrphase futex
> when the rwlock phase transistions from write phase to read phase. this
> logic wakes up other threads stalled in the rdlock function.
>
> this patch can successfully run the tryrdlock test cases.
This makes sense. Thank you. The trywrlock fix and this one (with changed
comments) will get posted upstream.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23690
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8ca7a0c7123031bcbf987b9d34dae5eb02a0857
commit d8ca7a0c7123031bcbf987b9d34dae5eb02a0857
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date: Thu Dec 13 06:41:41 2018 +0100
Fix _dl_profile_fixup data-dependency issue (Bug 23690)
There is a data-dependency between the fields of struct l_reloc_result
and the field used as the initialization guard. Users of the guard
expect writes to the structure to be observable when they also observe
the guard initialized. The solution for this problem is to use an acquire
and release load and store to ensure previous writes to the structure are
observable if the guard is initialized.
The previous implementation used DL_FIXUP_VALUE_ADDR (l_reloc_result->addr)
as the initialization guard, making it impossible for some architectures
to load and store it atomically, i.e. hppa and ia64, due to its larger
size.
This commit adds an unsigned int to l_reloc_result to be used as the new
initialization guard of the struct, making it possible to load and store
it atomically in all architectures. The fix ensures that the values
observed in l_reloc_result are consistent and do not lead to crashes.
The algorithm is documented in the code in elf/dl-runtime.c
(_dl_profile_fixup). Not all data races have been eliminated.
Tested with build-many-glibcs and on powerpc, powerpc64, and powerpc64le.
[BZ #23690]
* elf/dl-runtime.c (_dl_profile_fixup): Guarantee memory
modification order when accessing reloc_result->addr.
* include/link.h (reloc_result): Add field init.
* nptl/Makefile (tests): Add tst-audit-threads.
(modules-names): Add tst-audit-threads-mod1 and
tst-audit-threads-mod2.
Add rules to build tst-audit-threads.
* nptl/tst-audit-threads-mod1.c: New file.
* nptl/tst-audit-threads-mod2.c: Likewise.
* nptl/tst-audit-threads.c: Likewise.
* nptl/tst-audit-threads.h: Likewise.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit e5d262effe3a87164308a3f37e61b32d0348692a)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++++
NEWS | 1 +
elf/dl-runtime.c | 48 ++++++++++++++++++--
include/link.h | 4 ++
nptl/Makefile | 14 +++++-
nptl/tst-audit-threads-mod1.c | 74 +++++++++++++++++++++++++++++++
nptl/tst-audit-threads-mod2.c | 22 +++++++++
nptl/tst-audit-threads.c | 97 +++++++++++++++++++++++++++++++++++++++++
nptl/tst-audit-threads.h | 92 ++++++++++++++++++++++++++++++++++++++
9 files changed, 360 insertions(+), 7 deletions(-)
create mode 100644 nptl/tst-audit-threads-mod1.c
create mode 100644 nptl/tst-audit-threads-mod2.c
create mode 100644 nptl/tst-audit-threads.c
create mode 100644 nptl/tst-audit-threads.h
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>From glibc-bugs-return-44128-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 13 08:29:40 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23614] powerpc: missing CFI register information in __mpn_* functions
Date: Thu, 13 Dec 2018 08:29:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|powerpc: missing CFI |powerpc: missing CFI
|register information |register information in
| |__mpn_* functions
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23614] powerpc: missing CFI register information in __mpn_* functions
Date: Thu, 13 Dec 2018 08:34:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.27/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2794474c655a0f895862a6de9fb79a2fd2cdde28
commit 2794474c655a0f895862a6de9fb79a2fd2cdde28
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date: Thu Dec 13 09:32:29 2018 +0100
powerpc: Add missing CFI register information (bug #23614)
Add CFI information about the offset of registers stored in the stack
frame.
[BZ #23614]
* sysdeps/powerpc/powerpc64/addmul_1.S (FUNC): Add CFI offset for
registers saved in the stack frame.
* sysdeps/powerpc/powerpc64/lshift.S (__mpn_lshift): Likewise.
* sysdeps/powerpc/powerpc64/mul_1.S (__mpn_mul_1): Likewise.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
(cherry picked from commit 1d880d4a9bf7608c2cd33bbe954ce6995f79121a)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 1 +
sysdeps/powerpc/powerpc64/addmul_1.S | 31 +++++++++++++++++++++----------
sysdeps/powerpc/powerpc64/lshift.S | 12 ++++++++----
sysdeps/powerpc/powerpc64/mul_1.S | 13 +++++++++----
5 files changed, 47 insertions(+), 18 deletions(-)
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Subject: [Bug libc/23614] powerpc: missing CFI register information in __mpn_* functions
Date: Thu, 13 Dec 2018 08:46:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.28/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=852620258deea8afda5674f397113fa87ce1007c
commit 852620258deea8afda5674f397113fa87ce1007c
Author: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Date: Thu Dec 13 09:42:22 2018 +0100
powerpc: Add missing CFI register information (bug #23614)
Add CFI information about the offset of registers stored in the stack
frame.
[BZ #23614]
* sysdeps/powerpc/powerpc64/addmul_1.S (FUNC): Add CFI offset for
registers saved in the stack frame.
* sysdeps/powerpc/powerpc64/lshift.S (__mpn_lshift): Likewise.
* sysdeps/powerpc/powerpc64/mul_1.S (__mpn_mul_1): Likewise.
Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
(cherry picked from commit 1d880d4a9bf7608c2cd33bbe954ce6995f79121a)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
NEWS | 1 +
sysdeps/powerpc/powerpc64/addmul_1.S | 31 +++++++++++++++++++++----------
sysdeps/powerpc/powerpc64/lshift.S | 12 ++++++++----
sysdeps/powerpc/powerpc64/mul_1.S | 13 +++++++++----
5 files changed, 47 insertions(+), 18 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
Date: Thu, 13 Dec 2018 11:25:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit f21e8f8ca466320fed38bdb71526c574dae98026
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Nov 8 14:28:22 2018 +0100
Fix rwlock stall with PREFER_WRITER_NONRECURSIVE_NP (bug 23861)
In the read lock function (__pthread_rwlock_rdlock_full) there was a
code path which would fail to reload __readers while waiting for
PTHREAD_RWLOCK_RWAITING to change. This failure to reload __readers
into a local value meant that various conditionals used the old value
of __readers and with only two threads left it could result in an
indefinite stall of one of the readers (waiting for PTHREAD_RWLOCK_RWAITING
to go to zero, but it never would).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3d265911c2aac65d978f679101594f9071024874
commit 3d265911c2aac65d978f679101594f9071024874
Author: Andreas Schwab <schwab@suse.de>
Date: Mon Nov 12 11:11:40 2018 +0100
Reindent nptl/pthread_rwlock_common.c
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++
nptl/Makefile | 3 +-
nptl/pthread_rwlock_common.c | 160 +++++++++++++++++++++---------------------
nptl/tst-rwlock-pwn.c | 87 +++++++++++++++++++++++
4 files changed, 179 insertions(+), 80 deletions(-)
create mode 100644 nptl/tst-rwlock-pwn.c
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
Date: Thu, 13 Dec 2018 11:28:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Fixed in 2.29.
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4d7af7815af5217db6e8fde6032ddf4f6b2a4420
commit 4d7af7815af5217db6e8fde6032ddf4f6b2a4420
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Nov 8 14:28:22 2018 +0100
Fix rwlock stall with PREFER_WRITER_NONRECURSIVE_NP (bug 23861)
In the read lock function (__pthread_rwlock_rdlock_full) there was a
code path which would fail to reload __readers while waiting for
PTHREAD_RWLOCK_RWAITING to change. This failure to reload __readers
into a local value meant that various conditionals used the old value
of __readers and with only two threads left it could result in an
indefinite stall of one of the readers (waiting for PTHREAD_RWLOCK_RWAITING
to go to zero, but it never would).
(cherry picked from commit f21e8f8ca466320fed38bdb71526c574dae98026)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 ++++
nptl/Makefile | 3 +-
nptl/pthread_rwlock_common.c | 4 +-
nptl/tst-rwlock-pwn.c | 87 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 100 insertions(+), 3 deletions(-)
create mode 100644 nptl/tst-rwlock-pwn.c
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Subject: [Bug nptl/23861] rdlock stalls indefinitely on an unlocked pthread rwlock
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commit f6d0e8c36f02b387d33f2cc58c7cb204f201d92e
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Nov 8 14:28:22 2018 +0100
Fix rwlock stall with PREFER_WRITER_NONRECURSIVE_NP (bug 23861)
In the read lock function (__pthread_rwlock_rdlock_full) there was a
code path which would fail to reload __readers while waiting for
PTHREAD_RWLOCK_RWAITING to change. This failure to reload __readers
into a local value meant that various conditionals used the old value
of __readers and with only two threads left it could result in an
indefinite stall of one of the readers (waiting for PTHREAD_RWLOCK_RWAITING
to go to zero, but it never would).
(cherry picked from commit f21e8f8ca466320fed38bdb71526c574dae98026)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 ++++
nptl/Makefile | 3 +-
nptl/pthread_rwlock_common.c | 4 +-
nptl/tst-rwlock-pwn.c | 87 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 100 insertions(+), 3 deletions(-)
create mode 100644 nptl/tst-rwlock-pwn.c
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To: glibc-bugs@sourceware.org
Subject: [Bug argparse/23983] New: Missing compat versions of argp_failure and argp_error for long double = double
Date: Fri, 14 Dec 2018 10:28:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23983
Bug ID: 23983
Summary: Missing compat versions of argp_failure and argp_error
for long double = double
Product: glibc
Version: 2.4
Status: NEW
Severity: normal
Priority: P2
Component: argparse
Assignee: unassigned at sourceware dot org
Reporter: gabriel at inconstante dot eti.br
Target Milestone: ---
Created attachment 11461
--> https://sourceware.org/bugzilla/attachment.cgi?id=11461&action=edit
Reproducer
Since Glibc 2.4, the default format of the long double type was changed from
the same as double to a different, wider format, on several platforms, e.g.
powerpc and s390.
The previous format is meant to be accessible with the use of the
"-mlong-double-64" compiler option. However, backwards-compatible versions of
the argp_error and argp_failure functions (from argp.h) were never provided,
which causes code compiled with -mlong-double-64 to incorrectly print long
double values. For instance, the attached code (based on argp/tst-ldbl-argp.c)
produces the following, incorrect output on a powerpc machine with Ubuntu
16.04:
$ gcc -mlong-double-64 tst-ldbl-argp.c && ./a.out
test-argp: 1.000000 -- 0.000000
When it produces correct output with "-mlong-double-128":
$ gcc -mlong-double-128 tst-ldbl-argp.c && ./a.out
test-argp: 1.000000 -- 2.000000
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To: glibc-bugs@sourceware.org
Subject: [Bug argparse/23983] Missing compat versions of argp_failure and argp_error for long double = double
Date: Fri, 14 Dec 2018 10:29:00 -0000
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |gabriel at inconstante dot eti.br
--- Comment #1 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
A patch is currently under review at
https://sourceware.org/ml/libc-alpha/2018-12/msg00212.html
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23984] New: Missing compat versions of err.h and error.h functions for long double = double
Date: Fri, 14 Dec 2018 10:49:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23984
Bug ID: 23984
Summary: Missing compat versions of err.h and error.h functions
for long double = double
Product: glibc
Version: 2.4
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: gabriel at inconstante dot eti.br
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11462
--> https://sourceware.org/bugzilla/attachment.cgi?id=11462&action=edit
Reproducer
Similar to bug 23983 [1], backwards-compatible versions of the functions: warn,
warnx, vwarn, vwarnx, err, errx, verr, and verrx (from err.h); error and
error_at_line (from error.h) are missing. Thus, using -mlong-double-64
produces incorrect output on platforms where the default long double format
changed in Glibc 2.4.
For instance, the attached code (based on misc/tst-ldbl-warn.c and
misc/tst-ldbl-error.c) produces the following, incorrect output on a powerpc
machine with Ubuntu 16.04:
$ gcc -mlong-double-64 tst-ldbl-warn-err-error.c && ./a.out
a.out: -1.000000 -- 0.000000
./a.out::0: -1.000000 -- 0.000000
When it produces correct output with "-mlong-double-128":
$ gcc -mlong-double-128 tst-ldbl-warn-err-error.c && ./a.out
a.out: -1.000000 -- -2.000000
./a.out::0: -1.000000 -- -2.000000
[1] https://sourceware.org/bugzilla/show_bug.cgi?id=23983
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>From glibc-bugs-return-44138-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 10:50:37 2018
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23984] Missing compat versions of err.h and error.h functions for long double = double
Date: Fri, 14 Dec 2018 10:50:00 -0000
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |gabriel at inconstante dot eti.br
--- Comment #1 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
Patches currently under review at
https://sourceware.org/ml/libc-alpha/2018-12/msg00215.html and
https://sourceware.org/ml/libc-alpha/2018-12/msg00217.html.
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>From glibc-bugs-return-44139-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 15:25:07 2018
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From: "own3mall at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23986] New: Medal of Honor: Spearhead Dedicated Server - Unable to Run in Newer Versions of GLIBC - glibc detected an invalid stdio handle
Date: Fri, 14 Dec 2018 15:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23986
Bug ID: 23986
Summary: Medal of Honor: Spearhead Dedicated Server - Unable to
Run in Newer Versions of GLIBC - glibc detected an
invalid stdio handle
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: own3mall at gmail dot com
Target Milestone: ---
Ubuntu 18.04 ships with glibc version:
ldd --version
ldd (Ubuntu GLIBC 2.27-3ubuntu1) 2.27
Ubuntu 16.04 ships with glibc version:
ldd --version
ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23
Somewhere between these versions, Medal of Honor: Allied Assault Spearhead no
longer runs due to the following error:
./spearhead_lnxded +exec server.cfg
Fatal error: glibc detected an invalid stdio handle
Aborted (core dumped)
However, the same binary / executable works fine in older versions on Ubuntu
16.04 in glibc 2.23:
./spearhead_lnxded +exec server.cfg
--- Common Initialization ---
Medal of Honor Spearhead 2.15 linux-i386 Aug 29 2004
----- FS_Startup -----
{NORMAL OUTPUT}
To run this program, you need to install two packages:
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install libstdc++5
sudo apt-get install libstdc++5:i386
The dedicated server files are available for download here:
http://dls.atl.webehostin.com/mohsp_clean_linux.tar.gz
It's rather frustrating that a program for which no one has the source code for
no longer works in the latest version of GLIBC. Can this be fixed because the
program is not going to be changing anytime soon, and it used to work fine?
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>From glibc-bugs-return-44140-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 15:44:29 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/23986] Medal of Honor: Spearhead Dedicated Server - Unable to Run in Newer Versions of GLIBC - glibc detected an invalid stdio handle
Date: Fri, 14 Dec 2018 15:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23986
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2018-12-14
CC| |fweimer at redhat dot com
Ever confirmed|0 |1
Flags| |security-
Severity|critical |normal
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
See bug 23313. We believe this is fixed in the current 2.27 release branch as
well (see bug 23313 comment 3). Could you try with that patch? Thanks.
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>From glibc-bugs-return-44141-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:01:26 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23987] New: shell-container leaks file descriptors.
Date: Fri, 14 Dec 2018 20:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23987
Bug ID: 23987
Summary: shell-container leaks file descriptors.
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
CC: carlos at redhat dot com
Target Milestone: ---
The following issues were discovered by static analysis.
support/shell-container.c:
copy_func:
114 dfd = open (dname, O_WRONLY | O_TRUNC | O_CREAT, 0600);
115 if (dfd < 0)
116 {
117 fprintf (stderr, "cp: unable to open %s for writing: %s\n",
118 dname, strerror (errno));
119 return 1;
120 }
Leaks sfd opened on line 99.
copy_func:
122 if (support_copy_file_range (sfd, 0, dfd, 0, st.st_size, 0) !=
st.st_size)
123 {
124 fprintf (stderr, "cp: cannot copy file %s to %s: %s\n",
125 sname, dname, strerror (errno));
126 return 1;
127 }
Leaks sfd/dfd opened on line 99/114.
Multiple runs of copy_func could leak fds.
run_command_array:
174 if (strcmp (argv[i], "<") == 0 && argv[i + 1])
175 {
176 new_stdin = open (argv[i + 1], O_WRONLY|O_CREAT|O_TRUNC, 0777);
177 ++i;
178 continue;
179 }
180 if (strcmp (argv[i], ">") == 0 && argv[i + 1])
181 {
182 new_stdout = open (argv[i + 1], O_WRONLY|O_CREAT|O_TRUNC, 0777);
183 ++i;
184 continue;
185 }
186 if (strcmp (argv[i], ">>") == 0 && argv[i + 1])
187 {
188 new_stdout = open (argv[i + 1], O_WRONLY|O_CREAT|O_APPEND, 0777);
189 ++i;
190 continue;
191 }
192 if (strcmp (argv[i], "2>") == 0 && argv[i + 1])
193 {
194 new_stderr = open (argv[i + 1], O_WRONLY|O_CREAT|O_TRUNC, 0777);
195 ++i;
196 continue;
197 }
Leak new_stdin, new_stdout and new_stderr when overwritten by open() return.
Multiple runs of run_command_array could leak fds.
We should fix this to make sure we don't have fd leak issues in the larger
tests. Also it tides up the static analysis warnings.
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>From glibc-bugs-return-44142-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:05:42 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23988] New: shell-container copy function should check chmod results.
Date: Fri, 14 Dec 2018 20:05:00 -0000
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Bug ID: 23988
Summary: shell-container copy function should check chmod
results.
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
CC: carlos at redhat dot com
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In support/shell-container.c (copy_func):
131
132 chmod (dname, st.st_mode & 0777);
133
134 return 0;
135
136 }
We should check that chmod failed and issue a diagnostic.
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>From glibc-bugs-return-44143-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:12:28 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug build/23989] New: test-container and shell-container should check more fds for validity
Date: Fri, 14 Dec 2018 20:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23989
Bug ID: 23989
Summary: test-container and shell-container should check more
fds for validity
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
In support/test-container.c:
220 /* Special case of above for devices like /dev/zero where we have to
221 mount a device over a device, not a directory over a directory. */
222 static void
223 devmount (const char *new_root_path, const char *which)
224 {
225 int fd;
226 fd = open (concat (new_root_path, "/dev/", which, NULL),
227 O_CREAT | O_TRUNC | O_RDWR, 0777);
228 xclose (fd);
229
230 trymount (concat ("/dev/", which, NULL),
231 concat (new_root_path, "/dev/", which, NULL));
232 }
Should use xopen to avoid passing an invalid fd to xclose.
Likewise in support/shell-container.c:
218 if (new_stdin != 0)
219 {
220 dup2 (new_stdin, 0);
221 close (new_stdin);
222 }
223 if (new_stdout != 1)
224 {
225 dup2 (new_stdout, 1);
226 close (new_stdout);
227 }
228 if (new_stderr != 2)
229 {
230 dup2 (new_stderr, 2);
231 close (new_stdout);
232 }
Earlier open's should either be xopen or we should check that new_* fds are
valid.
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>From glibc-bugs-return-44144-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:27:50 2018
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23987] shell-container leaks file descriptors.
Date: Fri, 14 Dec 2018 20:27:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
228 if (new_stderr != 2)
229 {
230 dup2 (new_stderr, 2);
231 close (new_stdout);
232 }
This should close new_stderr.
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>From glibc-bugs-return-44145-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:28:55 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/23990] New: test-container error out on failure to exec child.
Date: Fri, 14 Dec 2018 20:28:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23990
Bug ID: 23990
Summary: test-container error out on failure to exec child.
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
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It's possible the execlp fails in support/test-contianer.c (recursive_remove).
366 child = fork ();
367
368 switch (child) {
369 case -1:
370 perror("fork");
371 FAIL_EXIT1 ("Unable to fork");
372 case 0:
373 /* Child. */
374 execlp ("rm", "rm", "-rf", path, NULL);
This should FAIL_EXIT1 like above?
375 default:
376 /* Parent. */
377 waitpid (child, &status, 0);
378 /* "rm" would have already printed a suitable error message. */
379 if (! WIFEXITED (status)
380 || WEXITSTATUS (status) != 0)
381 exit (1);
382
383 break;
We don't want to continue after a child fails to exec.
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>From glibc-bugs-return-44146-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:32:15 2018
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/23991] New: shell-container typo in run_command_array
Date: Fri, 14 Dec 2018 20:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23991
Bug ID: 23991
Summary: shell-container typo in run_command_array
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
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In support/shell-container.c (run_command_arra):
228 if (new_stderr != 2)
229 {
230 dup2 (new_stderr, 2);
231 close (new_stdout);
232 }
This looks like a typo. We should close new_stderr after the dup2.
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>From glibc-bugs-return-44147-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:34:43 2018
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From: "dj at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/23988] shell-container copy function should check chmod results.
Date: Fri, 14 Dec 2018 20:34:00 -0000
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Subject: [Bug build/23989] test-container and shell-container should check more fds for validity
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Subject: [Bug build/23990] test-container error out on failure to exec child.
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Subject: [Bug build/23991] shell-container typo in run_command_array
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>From glibc-bugs-return-44151-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 14 20:36:01 2018
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Subject: [Bug build/23987] shell-container leaks file descriptors.
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>From glibc-bugs-return-44152-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 14:34:14 2018
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From: "wangfangpeng1 at huawei dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23992] New: fflush() return -1 whith EBADF errno when pass a closed file descriptor after merge commit bcdaad21
Date: Sat, 15 Dec 2018 14:34:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23992
Bug ID: 23992
Summary: fflush() return -1 whith EBADF errno when pass a
closed file descriptor after merge commit bcdaad21
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: wangfangpeng1 at huawei dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Hi
I got the wrong ret value add errno, when call fflush() with a closed file
descriptor arg, after the mainlne merge commit bcdaad21(malloc: tcache double
free check).
This is my testcase:
#include<stdio.h>
#include<errno.h>
#include<unistd.h>
int main(int argc, char const *argv[])
{
FILE *f;
f = fopen("testfile", "w");
fclose(f);
f = fopen("testfile", "r");
fclose(f);
errno = 0;
int ret = fflush(f);
if(ret != 0) {
printf("err! ret=%d errno=%d\n", ret, errno);
return 1;
}
unlink("testfile");
printf("test ok.\n");
return 0;
}
Looking forward to your early reply…
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>From glibc-bugs-return-44153-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 14:39:20 2018
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23992] fflush() return -1 whith EBADF errno when pass a closed file descriptor after merge commit bcdaad21
Date: Sat, 15 Dec 2018 14:39:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Using a stream after fclose introduces a use-after-free vulnerability and is
undefined.
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>From glibc-bugs-return-44154-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:11:08 2018
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From: "romain.naour at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23993] New: glibc 2.29 doesn't build with gcc 4.9
Date: Sat, 15 Dec 2018 15:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23993
Bug ID: 23993
Summary: glibc 2.29 doesn't build with gcc 4.9
Product: glibc
Version: 2.29
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: romain.naour at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Hi,
There is a regression when the toolchain is built with glibc 2.29 and
gcc 4.9 (when USE_ATOMIC_COMPILER_BUILTINS is not defined) for all platform I
tested [1] :
In file included from ../sysdeps/nptl/internaltypes.h:23:0,
from ./pthreadP.h:30,
from pthread_mutex_getprioceiling.c:21:
pthread_mutex_getprioceiling.c: In function 'pthread_mutex_getprioceiling':
../include/atomic.h:672:4: error: read-only variable '__atg100_val' used as
'asm' output
__asm ("" : "=r" (__atg100_val) : "0" (*(mem))); \
^
pthread_mutex_getprioceiling.c:29:26: note: in expansion of macro
'atomic_load_relaxed'
if (__builtin_expect ((atomic_load_relaxed (&(mutex->__data.__kind))
^
The issue has been introduced by [2].
Joseph Myers suggested to remove the support for building glibc with GCC 4.9
[3].
Best regards,
Romain
[1] https://gitlab.com/kubu93/toolchains-builder/pipelines/40259702
[2]
https://github.com/bminor/glibc/commit/403b4feb22dcbc85ace72a361d2a951380372471
[3] https://sourceware.org/ml/libc-alpha/2018-12/msg00510.html
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Subject: [Bug libc/23993] glibc 2.29 doesn't build with gcc 4.9
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>From glibc-bugs-return-44158-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:42:23 2018
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Subject: [Bug libc/23978] dlmopen(): increasing the number of name spaces
Date: Sat, 15 Dec 2018 15:42:00 -0000
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>From glibc-bugs-return-44157-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:42:13 2018
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Subject: [Bug argparse/23983] Missing compat versions of argp_failure and argp_error for long double = double
Date: Sat, 15 Dec 2018 15:42:00 -0000
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>From glibc-bugs-return-44156-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:42:06 2018
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Subject: [Bug libc/23984] Missing compat versions of err.h and error.h functions for long double = double
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>From glibc-bugs-return-44159-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:43:27 2018
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Subject: [Bug dynamic-link/23973] Concurrent use of ldconfig may clobber /etc/ld.so.cache temporarily
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>From glibc-bugs-return-44161-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:43:59 2018
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Subject: [Bug string/23865] wcsstr is quadratic-time
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Flagging security- until there is demonstrated application impact.
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>From glibc-bugs-return-44160-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:43:36 2018
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Subject: [Bug locale/23970] Make setlocale MT-safe.
Date: Sat, 15 Dec 2018 15:43:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-44162-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 15:44:08 2018
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Subject: [Bug time/23859] tzname, daylight are modified by localtime() in unexpected way
Date: Sat, 15 Dec 2018 15:44:00 -0000
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>From glibc-bugs-return-44163-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 18:49:08 2018
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From: "tfs_faust at mail dot ru" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/20568] Segfault with wide characters and setlocale/fgetwc/UTF-8
Date: Sat, 15 Dec 2018 18:49:00 -0000
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Fiodor <tfs_faust at mail dot ru> changed:
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--- Comment #3 from Fiodor <tfs_faust at mail dot ru> ---
Confirm this bug.
cat 1.c && gcc 1.c && ./a.out
#include <locale.h>
#include <wchar.h>
#include <stdio.h>
int main()
{
setlocale(LC_ALL, "ru_RU.UTF-8");
getwc(stdin);
return 0;
}
11111111111111111111
*** stack smashing detected ***: <unknown> terminated
Ðварийный оÑтанов (Ñтек памÑти Ñброшен на диÑк)
[faust@archlinux Ð ÐÐ·Ð½Ð°Ñ Ð²ÑÑчина]$ cat 1.c && clang 1.c && ./a.out
#include <locale.h>
#include <wchar.h>
#include <stdio.h>
int main()
{
setlocale(LC_ALL, "ru_RU.UTF-8");
getwc(stdin);
return 0;
}
222222222222222222
*** stack smashing detected ***: <unknown> terminated
Ðварийный оÑтанов (Ñтек памÑти Ñброшен на диÑк)
[faust@archlinux Ð ÐÐ·Ð½Ð°Ñ Ð²ÑÑчина]$ gdb ./a.out
GNU gdb (GDB) 8.2
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./a.out...(no debugging symbols found)...done.
(gdb) r
Starting program: /home/faust/Проекты/C/Ð ÐÐ·Ð½Ð°Ñ Ð²ÑÑчина/a.out
22222222222222222222222
*** stack smashing detected ***: <unknown> terminated
Program received signal SIGABRT, Aborted.
0x00007ffff7de7d7f in raise () from /usr/lib/libc.so.6
(gdb) bt
#0 0x00007ffff7de7d7f in raise () from /usr/lib/libc.so.6
#1 0x00007ffff7dd2672 in abort () from /usr/lib/libc.so.6
#2 0x00007ffff7e2a878 in __libc_message () from /usr/lib/libc.so.6
#3 0x00007ffff7ebd415 in __fortify_fail_abort () from /usr/lib/libc.so.6
#4 0x00007ffff7ebd3c6 in __stack_chk_fail () from /usr/lib/libc.so.6
#5 0x00007ffff7e282dc in do_length () from /usr/lib/libc.so.6
#6 0x00007ffff7e27ca5 in _IO_wfile_sync () from /usr/lib/libc.so.6
#7 0x00007ffff7e2ef26 in _IO_default_setbuf () from /usr/lib/libc.so.6
#8 0x00007ffff7e2babe in __GI__IO_file_setbuf () from /usr/lib/libc.so.6
#9 0x00007ffff7e2f9a1 in _IO_cleanup () from /usr/lib/libc.so.6
#10 0x00007ffff7dea552 in __run_exit_handlers () from /usr/lib/libc.so.6
#11 0x00007ffff7dea58e in exit () from /usr/lib/libc.so.6
#12 0x00007ffff7dd422a in __libc_start_main () from /usr/lib/libc.so.6
#13 0x000055555555507e in _start ()
(gdb) q
A debugging session is active.
Inferior 1 [process 2703] will be killed.
Quit anyway? (y or n) y
[faust@archlinux Ð ÐÐ·Ð½Ð°Ñ Ð²ÑÑчина]$ /lib64/libc.so.6 -v
GNU C Library (GNU libc) stable release version 2.28.
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 8.2.1 20180831.
libc ABIs: UNIQUE IFUNC ABSOLUTE
For bug reporting instructions, please see:
<https://bugs.archlinux.org/>.
[faust@archlinux Ð ÐÐ·Ð½Ð°Ñ Ð²ÑÑчина]$ uname -ar
Linux archlinux 4.19.8-arch1-1-ARCH #1 SMP PREEMPT Sat Dec 8 13:49:11 UTC 2018
x86_64 GNU/Linux
[faust@archlinux Ð ÐÐ·Ð½Ð°Ñ Ð²ÑÑчина]$
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>From glibc-bugs-return-44164-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 21:38:07 2018
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Subject: [Bug regex/23609] regex backreference heap errors
Date: Sat, 15 Dec 2018 21:38:00 -0000
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--- Comment #3 from eggert at cs dot ucla.edu ---
As I mentioned in Comment 2, this is the same bug as Bug#18040. Resolving it as
a duplicate.
*** This bug has been marked as a duplicate of bug 18040 ***
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Subject: [Bug regex/18040] use-after-free in regexec/get_subexp
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--- Comment #5 from eggert at cs dot ucla.edu ---
*** Bug 23609 has been marked as a duplicate of this bug. ***
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Subject: [Bug libc/23125] riscv64: endless loop when throwing an exception from a constructor
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been updated
via b4ce4476fc5d14fff413abe130b2ea7a7554f8d3 (commit)
from 1a8db070fa42276f290e20c294a51b4fc9c51f83 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4ce4476fc5d14fff413abe130b2ea7a7554f8d3
commit b4ce4476fc5d14fff413abe130b2ea7a7554f8d3
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Sep 25 11:11:27 2018 +0200
RISC-V: properly terminate call chain (bug 23125)
Mark the ra register as undefined in _start, so that unwinding through
main works correctly. Also, don't use a tail call so that ra points after
the call to __libc_start_main, not after the previous call.
(cherry picked from commit 2dd12baa045f25c52b30a34b10f72d51f2605413)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 ++++++
elf/Makefile | 5 +++-
elf/{tst-absolute-zero.c => tst-unwind-main.c} | 32 ++++++++++++------------
sysdeps/riscv/start.S | 7 ++++-
4 files changed, 35 insertions(+), 18 deletions(-)
copy elf/{tst-absolute-zero.c => tst-unwind-main.c} (61%)
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Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
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>From glibc-bugs-return-44170-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 15 23:28:14 2018
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Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
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--- Comment #5 from github at kalvdans dot no-ip.org ---
Created attachment 11463
--> https://sourceware.org/bugzilla/attachment.cgi?id=11463&action=edit
Honor NODELETE only after relocation
At our side, this bug manifest itself as a "libgcc_s.so.1 must be installed for
pthread_cancel to work" message.
I agree with Ben that we shuold not honor NODELETE too early. The attached
patch makes our production use-case work. I might have time to add a test case
too in the following days.
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>From glibc-bugs-return-44171-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 16 15:04:23 2018
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23995] New: Remove execution flags from localedata/locales/bi_VU
Date: Sun, 16 Dec 2018 15:04:00 -0000
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Bug ID: 23995
Summary: Remove execution flags from localedata/locales/bi_VU
Product: glibc
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Please, remove execution flags from the file
localedata/locales/bi_VU
These execution flags were found by the command in
https://github.com/PanderMusubi/locale-en-nl/blob/master/analysis/2-execution-flags.sh
This command also reports that the file
timezone/yearistype
is executable. Looking at the file, the original name was yearistype.sh Perhaps
restore that name (and usage of the file), as the directory also contains a
.ksh file. When it will not be changed, I will simply filter out this file of
the before mentioned command.
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Subject: [Bug regex/18040] use-after-free in regexec/get_subexp
Date: Sun, 16 Dec 2018 15:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18040
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ef202e530c2384d6a47951ed1c6b63ed945e462f
commit ef202e530c2384d6a47951ed1c6b63ed945e462f
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Sep 5 23:57:08 2018 -0700
regex: fix storage-exhaustion error
[BZ #18040]
* posix/regexec.c (get_subexp):
Do not continue if storage is exhausted.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=077caf61d867d4cab49b5aa42da1611868596fe7
commit 077caf61d867d4cab49b5aa42da1611868596fe7
Author: Assaf Gordon <assafgordon@gmail.com>
Date: Wed Sep 5 23:25:07 2018 -0700
regex: fix heap-use-after-free error
[BZ #18040]
Problem reported by Saito Takaaki <tails.saito@gmail.com> in
https://debbugs.gnu.org/32592
Call stack get_subexp->get_subexp_sub->clean_state_log_if_needed may
call extend_buffers which reallocates the re_string_t internal buffer.
Local variable 'buf' was not updated in such case, resulting in
use-after-free.
* posix/regexec.c (get_subexp): Update 'buf' after call to
get_subexp_sub.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 20 ++++++++++++++++++++
posix/regexec.c | 3 +++
2 files changed, 23 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-44173-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 16 15:16:36 2018
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Subject: [Bug regex/18040] use-after-free in regexec/get_subexp
Date: Sun, 16 Dec 2018 15:16:00 -0000
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eggert at cs dot ucla.edu changed:
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----------------------------------------------------------------------------
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--- Comment #7 from eggert at cs dot ucla.edu ---
Marking this bug as fixed.
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>From glibc-bugs-return-44174-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 16 20:09:13 2018
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23996] New: Dutch salutations
Date: Sun, 16 Dec 2018 20:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23996
Bug ID: 23996
Summary: Dutch salutations
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: pander at users dot sourceforge.net
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Created attachment 11465
--> https://sourceware.org/bugzilla/attachment.cgi?id=11465&action=edit
Patch adding Dutch salutations
Please, add the following salutations for Dutch locales for Netherlands and
Belgium:
name_gen "heer of mevrouw"
name_mr "heer"
name_mrs "mevrouw"
name_miss "mevrouw"
name_ms "mevrouw"
The attached git patch will offer this for the files nl_NL and nl_BE in
glibc/localedata/locales
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>From glibc-bugs-return-44175-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 08:12:56 2018
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Subject: [Bug math/23998] New: atanh returns negative NaN for positive values outside -1 < x < 1 domain
Date: Mon, 17 Dec 2018 08:12:00 -0000
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Bug ID: 23998
Summary: atanh returns negative NaN for positive values outside
-1 < x < 1 domain
Product: glibc
Version: 2.28
Status: UNCONFIRMED
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Target Milestone: ---
atanh(1.5) returns -nan, as shown by the following example:
--cut here--
#include <math.h>
#include <stdio.h>
int
main ()
{
double res;
res = atanh (-1.5);
printf ("%f\n", res);
res = atanh (1.5);
printf ("%f\n", res);
return 0;
}
--cut here--
$ ./a.out
-nan
-nan
One would expect positive NaN for positive values > 1.
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>From glibc-bugs-return-44176-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 14:40:25 2018
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From: "glaubitz at physik dot fu-berlin.de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 17 Dec 2018 14:40:00 -0000
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--- Comment #9 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> ---
@Adhemerval, any progress on this?
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Subject: [Bug libc/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Mon, 17 Dec 2018 14:44:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
Mailing list discussion:
https://sourceware.org/ml/libc-alpha/2018-12/msg00542.html
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>From glibc-bugs-return-44178-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 19:13:30 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/23859] tzname, daylight are modified by localtime() in unexpected way
Date: Mon, 17 Dec 2018 19:13:00 -0000
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eggert at cs dot ucla.edu changed:
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----------------------------------------------------------------------------
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CC| |eggert at cs dot ucla.edu
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--- Comment #4 from eggert at cs dot ucla.edu ---
(In reply to Andreas Schwab from comment #3)
> POSIX really only specifies the behaviour of POSIX style
> values for TZ, which cannot change over time.
This is correct. Programs that want time zone abbreviations, UT offsets, and
DST indications even in the presence of non-POSIX TZ settings should use the
tm_zone, tm_gmtoff, and tm_isdst members of struct tm. These members are
thread-safe whereas tzname, timezone, and daylight are not.
Unfortunately tm_zone and tm_gmtoff are not standardized by POSIX. But for
strictly portable POSIX code there should be no problem, since such code
shouldn't use non-POSIX TZ settings, and programs like Alexey's work fine when
they stick to POSIX TZ settings.
For semi-portable code that runs on POSIX platforms but does the right thing
even with non-POSIX TZ settings, Alexey can use strftime "%Z" for time zone
abbreviations, subtract gmtime_r from localtime_r for UT offsets, and use
tm_isdst to approximate the 'daylight' flag (the actual meaning of the
'daylight' flag is pretty much useless in this more-general context).
Admittedly this is a hassle; if this is a problem for Alexey then I suggest
lobbying POSIX to get the standard fixed to specify tm_zone and tm_gmtoff.
Closing the bug report as this is not a bug.
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>From glibc-bugs-return-44179-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 21:39:48 2018
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Subject: [Bug localedata/23995] Remove execution flags from localedata/locales/bi_VU
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Sun, 16 Dec 2018, pander at users dot sourceforge.net wrote:
> This command also reports that the file
>
> timezone/yearistype
>
> is executable. Looking at the file, the original name was yearistype.sh Perhaps
There is no need for suffixes on executable files, and an argument for not
having them (the language the program happens to be implemented in is not
part of its interface - in particular, *installed* programs should not
have such suffixes). Some such files need to be run by the makefiles
explicitly to use the correct interpreter found by configure, in which
case there is no need for executable bits at all, but that doesn't apply
when the interpreter is /bin/sh (although maybe yearistype execution by
zic doesn't actually need the executable bit). So I don't see any problem
with yearistype - it's appropriately executable, whether or not the
execute bit is actually needed, and not having a suffix is fine, whether
or not having one would also be OK.
Locale data files indeed should not be marked executable.
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>From glibc-bugs-return-44180-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 21:42:28 2018
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Subject: [Bug math/23998] atanh returns negative NaN for positive values outside -1 < x < 1 domain
Date: Mon, 17 Dec 2018 21:42:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
The signs of NaN results are not meaningful except for a few functions such as
fabs and copysign, so returning a NaN of either sign is fine here.
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>From glibc-bugs-return-44181-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 22:21:29 2018
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23995] Remove execution flags from localedata/locales/bi_VU
Date: Mon, 17 Dec 2018 22:21:00 -0000
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--- Comment #2 from Pander <pander at users dot sourceforge.net> ---
Thanks for your elaboration on yearistype. Fine to leave it like that and I
will extend my script to ignore it.
Can you set this bug report to CONFIRMED regarding localedata/locales/bi_VU ?
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>From glibc-bugs-return-44182-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 17 22:22:10 2018
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Subject: [Bug time/21060] tzset did not catch changes to localtime
Date: Mon, 17 Dec 2018 22:22:00 -0000
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eggert at cs dot ucla.edu changed:
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----------------------------------------------------------------------------
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CC| |eggert at cs dot ucla.edu
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--- Comment #1 from eggert at cs dot ucla.edu ---
The idea proposed here (with a patch proposed in
<https://www.sourceware.org/ml/libc-alpha/2018-12/msg00543.html>) would cause
tzset/localtime/etc. to inspect the filesystem every time they're called, which
I expect would be a significant slowdown. We have a longstanding bug (Bug
16145) complaining that the timezone stuff is too slow, and it doesn't sound
like a good idea to make it even slower.
A better approach would be if glibc could be notified of a change rather than
having to poll the file for each timestamp computation. I don't know whether
such an approach would be acceptable, though. E.g., if it requires a file
descriptor to be open throughout the process lifetime that might be too
heavyweight.
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>From glibc-bugs-return-44183-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 18 04:26:41 2018
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Subject: [Bug time/21060] tzset did not catch changes to localtime
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
This needs a much more complicated solution to ameliorate the cost of detecting
changes to TZ files. This is in the realm of /etc/resolv.conf reloading, in
that you want a long running process to be able to see tzdata udpates, but the
cost of touching files every time is far too expensive.
I'm setting this to SUSPENDED until we have another more thorough fix that
shows the performance costs and how to avoid them while still handling
filesystem level changes.
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Subject: [Bug localedata/23995] Remove execution flags from localedata/locales/bi_VU
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Florian Weimer <fweimer at redhat dot com> changed:
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Subject: [Bug localedata/23995] Remove execution flags from localedata/locales/bi_VU
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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Status|ASSIGNED |RESOLVED
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.29.
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Subject: [Bug localedata/23995] Remove execution flags from localedata/locales/bi_VU
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 40e6c1ec1f9b59b7917a8899f0894e49f16f51f1
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Dec 18 10:33:12 2018 +0100
localedata: Remove executable bit from localedata/locales/bi_VU [BZ #23995]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
mode change 100755 => 100644 localedata/locales/bi_VU
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https://sourceware.org/bugzilla/show_bug.cgi?id=23960
--- Comment #26 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=64dd7a16305441a7d6ed752c192c68b6c2a54ca5
commit 64dd7a16305441a7d6ed752c192c68b6c2a54ca5
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 11 17:16:36 2018 -0200
s390: Use generic kernel_sigaction.h
S390 kernel sigaction is the same as the Linux generic one.
Checked with a s390-linux-gnu and s390x-linux-gnu build.
* sysdeps/unix/sysv/linux/s390/kernel_sigaction.h: Use Linux generic
kernel_sigction definition.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8b1d5da56601ba7e59340dda235a6f3dbaa98ec9
commit 8b1d5da56601ba7e59340dda235a6f3dbaa98ec9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 11 17:15:07 2018 -0200
ia64: Remove kernel_sigaction.h
IA64 kernel_sigaction.h definition is the sama as the Linux generic
one.
Checked on ia64-linux-gnu.
* sysdeps/unix/sysv/linux/ia64/kernel_sigaction.h: Remove file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f9eabb197fce8bab43376758fcb281bf2e4e88e0
commit f9eabb197fce8bab43376758fcb281bf2e4e88e0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 11 17:14:09 2018 -0200
hppa: Remove kernel_sigaction.h
HPPA kernel_sigaction.h definition is the sama as the Linux generic
one and old_kernel_sigaction is not used.
Checked on hppa-linux-gnu.
* sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h: Remove file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=56b98bf1fb819b357318f39fccf2901d3c6b41ec
commit 56b98bf1fb819b357318f39fccf2901d3c6b41ec
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 11 16:57:49 2018 -0200
alpha: Use Linux generic sigaction implementation
Alpha rt_sigaction syscall uses a slight different kernel ABI than
generic one:
arch/alpha/kernel/signal.c
90 SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user
*, act,
91 struct sigaction __user *, oact,
92 size_t, sigsetsize, void __user *, restorer)
Similar as sparc, the syscall expects a restorer function. However
different than sparc, alpha defines the restorer as the 5th argument
(sparc defines as the 4th).
This patch removes the arch-specific alpha sigaction implementation,
adapt the Linux generic one to different restore placements (through
STUB macro), and make alpha use the Linux generic kernel_sigaction
definition.
Checked on alpha-linux-gnu and x86_64-linux-gnu (for sanity).
* sysdeps/unix/sysv/linux/alpha/Makefile: Update comment about
__syscall_rt_sigaction.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h
(kernel_sigaction): Use Linux generic defintion.
(STUB): Define.
(__syscall_rt_sigreturn, __syscall_sigreturn): Add prototype.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S
(__syscall_rt_sigaction): Remove implementation.
(__syscall_sigreturn, __syscall_rt_sigreturn): Define as global and
hidden.
* sysdeps/unix/sysv/linux/alpha/sigaction.c: Remove file.
* sysdeps/unix/sysv/linux/alpha/sysdep.h (INLINE_SYSCALL,
INTERNAL_SYSCALL): Remove definitions.
* sysdeps/unix/sysv/linux/sigaction.c: Define STUB to accept both the
action and signal set size.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (STUB): Redefine.
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c (STUB): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=43a45c2d829f164c1fb94d5f44afe326fae946e1
commit 43a45c2d829f164c1fb94d5f44afe326fae946e1
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 11 16:52:47 2018 -0200
m68k: Fix sigaction kernel definition (BZ #23960)
Commit b4a5d26d883 (linux: Consolidate sigaction implementation) added
a wrong kernel_sigaction definition for m68k, meant for __NR_sigaction
instead of __NR_rt_sigaction as used on generic Linux sigaction
implementation. This patch fixes it by using the Linux generic
definition meant for the RT kernel ABI.
Checked the signal tests on emulated m68-linux-gnu (Aranym). It fixes
the faulty signal/tst-sigaction and man works as expected.
Adhemerval Zanella <adhemerval.zanella@linaro.org>
James Clarke <jrtc27@jrtc27.com>
[BZ #23960]
* sysdeps/unix/sysv/linux/kernel_sigaction.h (HAS_SA_RESTORER):
Define if SA_RESTORER is defined.
(kernel_sigaction): Define sa_restorer if HAS_SA_RESTORER is defined.
(SET_SA_RESTORER, RESET_SA_RESTORER): Define iff the macro are not
already defined.
* sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h (SA_RESTORER,
kernel_sigaction, SET_SA_RESTORER, RESET_SA_RESTORER): Remove
definitions.
(HAS_SA_RESTORER): Define.
* sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h (SA_RESTORER,
SET_SA_RESTORER, RESET_SA_RESTORER): Remove definition.
(HAS_SA_RESTORER): Define.
* sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h: Include generic
kernel_sigaction after define SET_SA_RESTORER and RESET_SA_RESTORER.
* sysdeps/unix/sysv/linux/powerpc/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 49 ++++++++++++++++++++
sysdeps/unix/sysv/linux/alpha/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h | 19 ++++----
sysdeps/unix/sysv/linux/alpha/rt_sigaction.S | 41 ++---------------
sysdeps/unix/sysv/linux/alpha/sigaction.c | 38 ---------------
sysdeps/unix/sysv/linux/alpha/sysdep.h | 23 ---------
sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h | 18 -------
sysdeps/unix/sysv/linux/ia64/kernel_sigaction.h | 7 ---
sysdeps/unix/sysv/linux/kernel_sigaction.h | 12 ++++-
sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h | 26 ++---------
sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h | 3 +-
sysdeps/unix/sysv/linux/powerpc/kernel_sigaction.h | 3 +-
sysdeps/unix/sysv/linux/s390/kernel_sigaction.h | 29 +----------
sysdeps/unix/sysv/linux/sh/kernel_sigaction.h | 3 +-
sysdeps/unix/sysv/linux/sigaction.c | 4 +-
sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h | 7 +--
sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c | 5 +-
sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c | 5 +-
sysdeps/unix/sysv/linux/x86_64/sigaction.c | 3 +-
19 files changed, 97 insertions(+), 200 deletions(-)
delete mode 100644 sysdeps/unix/sysv/linux/alpha/sigaction.c
delete mode 100644 sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h
delete mode 100644 sysdeps/unix/sysv/linux/ia64/kernel_sigaction.h
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>From glibc-bugs-return-44188-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 18 22:03:56 2018
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/24004] New: tzset, localtime, etc. slow if TZ is unset, and mishandle TZ="" vs TZ=":"
Date: Tue, 18 Dec 2018 22:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24004
Bug ID: 24004
Summary: tzset, localtime, etc. slow if TZ is unset, and
mishandle TZ="" vs TZ=":"
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: time
Assignee: unassigned at sourceware dot org
Reporter: eggert at cs dot ucla.edu
Target Milestone: ---
Created attachment 11472
--> https://sourceware.org/bugzilla/attachment.cgi?id=11472&action=edit
tzset patch to fix /etc/localtime polling issue
While looking at Bug#21060 I noticed two easily fixable problems with tzset.
First it does not treat TZ=":" like TZ="" even though the documentation says
they should be equivalent. This is because TZ=":" is always UT without leap
seconds, whereas TZ="" is usually (but not always) UT without leap seconds; the
latter differs if the "Universal" TZif file specifies leap seconds. Other
systems are more consistent about treating TZ="" as avoiding leap seconds, so
glibc should too.
Second, and more important, if TZ is unset then tzset, localtime, etc. always
stat /etc/localtime (or whatever TZDEFAULT happens to expand to). They should
cache an unset TZ's data just as well as the cache a set TZ's data.
ma.jiang noticed the second problem independently
<https://www.sourceware.org/ml/libc-alpha/2018-12/msg00617.html>.
Proposed patch attached.
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From: "eggert at cs dot ucla.edu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/21060] tzset did not catch changes to localtime
Date: Tue, 18 Dec 2018 22:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21060
--- Comment #3 from eggert at cs dot ucla.edu ---
Also see Bug#24004, which doesn't solve the polling problem but which does
propose a fix for a related bug.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Tue, 18 Dec 2018 22:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23967
Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #11 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed on 2.29 by 43a45c2d82.
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>From glibc-bugs-return-44191-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 19 09:18:30 2018
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23995] Remove execution flags from localedata/locales/bi_VU
Date: Wed, 19 Dec 2018 09:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23995
--- Comment #5 from Pander <pander at users dot sourceforge.net> ---
Thanks very much. Meanwhile, I have improved
https://github.com/PanderMusubi/locale-en-nl/blob/master/analysis/2-execution-flags.sh
which can be used to detect similar incidents in the future.
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/24006] New: Cyclic dependencies via copy in locales
Date: Wed, 19 Dec 2018 09:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24006
Bug ID: 24006
Summary: Cyclic dependencies via copy in locales
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: pander at users dot sourceforge.net
CC: libc-locales at sourceware dot org
Target Milestone: ---
Via 'copy', a locale can reuse definitions from another locale. This is very
practical as it reduces the file size of a locale and eases maintenance.
Some locales copy parts from each other in both directions, however, resulting
in cyclic dependencies. This prevents only using a one of these locales in a
minimized setup, as both locales are always required.
Additionally, a cyclic dependency also increases the complexity or maintaining
copied parts.
For these reasons it is better to untangle cyclic dependencies by interchanging
definitions and reuse so that one of these locales is no longer depending on
the other locale.
In most of these cases, a new local reuses a lot from an existing locale, but
also adds definitions which were not present in the existing locale. When some
of these new definitions apply for both locales, the older locale (in which
these definitions were originally missing) starts using these via a copy. This
can be very simple definitions such as paper size, but it creates a cyclic
dependency, where it was better to move these definitions to the older locale
and reuse them in the newer locale (which already does a lot of reuse of the
older locale).
An overview of cyclic dependencies can be shown with the script
https://github.com/PanderMusubi/locale-en-nl/blob/master/analysis/3-cyclic-dependencies.py
At the moment, the result is:
- Cyclic dependencies via copy found between locales en_US and en_GB
- Cyclic dependencies via copy found between locales om_ET and om_KE
- Cyclic dependencies via copy found between locales am_ET and ti_ET
- Cyclic dependencies via copy found between locales en_PH and tl_PH
- Cyclic dependencies via copy found between locales tl_PH and fil_PH
- Cyclic dependencies via copy found between locales ber_DZ and kab_DZ
I would like to propose that regarding only these cyclic dependencies (not
other dependencies) are solved by eventually:
- en_GB depends on en_US
- om_ET depends on om_KE
- am_ET depends on ti_ET
- en_PH and tl_PH depend on fil_PH and en_US
- kab_DZ depends on ber_DZ
If desired by the maintainers of glibc, I can contribute patches for this,
starting with the more simple cases, such as DZ and PH.
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>From glibc-bugs-return-44193-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Dec 19 10:53:41 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/23967] [2.28 Regression]: New sigaction implementation breaks m68k
Date: Wed, 19 Dec 2018 10:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23967
--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.28/master has been updated
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from b4ce4476fc5d14fff413abe130b2ea7a7554f8d3 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27e039455d5ef0d30b835fb422fffafd42600fa4
commit 27e039455d5ef0d30b835fb422fffafd42600fa4
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 11 16:52:47 2018 -0200
m68k: Fix sigaction kernel definition (BZ #23967)
Commit b4a5d26d883 (linux: Consolidate sigaction implementation) added
a wrong kernel_sigaction definition for m68k, meant for __NR_sigaction
instead of __NR_rt_sigaction as used on generic Linux sigaction
implementation. This patch fixes it by using the Linux generic
definition meant for the RT kernel ABI.
Checked the signal tests on emulated m68-linux-gnu (Aranym). It fixes
the faulty signal/tst-sigaction and man works as expected.
Adhemerval Zanella <adhemerval.zanella@linaro.org>
James Clarke <jrtc27@jrtc27.com>
[BZ #23967]
* sysdeps/unix/sysv/linux/kernel_sigaction.h (HAS_SA_RESTORER):
Define if SA_RESTORER is defined.
(kernel_sigaction): Define sa_restorer if HAS_SA_RESTORER is defined.
(SET_SA_RESTORER, RESET_SA_RESTORER): Define iff the macro are not
already defined.
* sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h (SA_RESTORER,
kernel_sigaction, SET_SA_RESTORER, RESET_SA_RESTORER): Remove
definitions.
(HAS_SA_RESTORER): Define.
* sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h (SA_RESTORER,
SET_SA_RESTORER, RESET_SA_RESTORER): Remove definition.
(HAS_SA_RESTORER): Define.
* sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h: Include generic
kernel_sigaction after define SET_SA_RESTORER and RESET_SA_RESTORER.
* sysdeps/unix/sysv/linux/powerpc/kernel_sigaction.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
(cherry picked from commit 43a45c2d829f164c1fb94d5f44afe326fae946e1)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 ++++++++++++++++
sysdeps/unix/sysv/linux/kernel_sigaction.h | 12 +++++++-
sysdeps/unix/sysv/linux/m68k/kernel_sigaction.h | 26 +++----------------
sysdeps/unix/sysv/linux/nios2/kernel_sigaction.h | 3 +-
sysdeps/unix/sysv/linux/powerpc/kernel_sigaction.h | 3 +-
sysdeps/unix/sysv/linux/sh/kernel_sigaction.h | 3 +-
sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h | 7 +----
sysdeps/unix/sysv/linux/x86_64/sigaction.c | 3 +-
8 files changed, 45 insertions(+), 34 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/2872] Transliteration Cyrillic -> ASCII fails
Date: Wed, 19 Dec 2018 23:08:00 -0000
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>From glibc-bugs-return-44195-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 20 06:19:03 2018
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From: "igor.liferenko at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/20568] Segfault with wide characters and setlocale/fgetwc/UTF-8
Date: Thu, 20 Dec 2018 06:19:00 -0000
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CC| |igor.liferenko at gmail dot com
--- Comment #4 from Igor Liferenko <igor.liferenko at gmail dot com> ---
Hi,
I have just been beaten by this issue.
Tested on version 2.11.2 - this bug is not there.
The next earliest version that I tested on is 2.24 - bug is there.
The bug starts to show when 9 characters are input.
This bug does not show if "setlocale" is commented or if "fclose(stdin);" is
added before "return 0".
Hope this helps.
Regards,
Igor
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>From glibc-bugs-return-44196-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 20 07:04:05 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/20568] Segfault with wide characters and setlocale/fgetwc/UTF-8
Date: Thu, 20 Dec 2018 07:04:00 -0000
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--- Comment #5 from Igor Liferenko <igor.liferenko at gmail dot com> ---
I have done additional testing for number of input bytes.
Here is the report, where the range is number of input bytes and
text after '=' is the result of executing the following command:
printf '%0.s1' $(seq N) | ./a.out
where N is the desired number of input bytes.
0-9 = terminated normally
10-61 = *** stack smashing detected ***: <unknown> terminated Aborted
62-105 = Segmentation fault
106-121 = *** stack smashing detected ***: <unknown> terminated Aborted
122-137 = Segmentation fault
138-??? = terminated normally
etc...
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/24011] New: Fixed small type in comment for locale bs_BA
Date: Thu, 20 Dec 2018 07:53:00 -0000
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Bug ID: 24011
Summary: Fixed small type in comment for locale bs_BA
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: pander at users dot sourceforge.net
CC: libc-locales at sourceware dot org
Target Milestone: ---
Created attachment 11477
--> https://sourceware.org/bugzilla/attachment.cgi?id=11477&action=edit
git patch
Please see the attached patch for fixing a very small typo in a comment of
bs_BA. A hyphen should be an underscore.
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>From glibc-bugs-return-44198-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 20 08:18:47 2018
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
Date: Thu, 20 Dec 2018 08:18:00 -0000
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CC| |pander at users dot sourceforge.ne
| |t
--- Comment #5 from Pander <pander at users dot sourceforge.net> ---
As the maintainer of en_NL, I think an en_EU will not work as local formats
differ per country and only add confusion. I do support creation of en_DE,
en_SE and other English versions for EU countries, under the condition that as
much reuse of existing locales is being done as is practically possible. From
experience, I know that will only work for about 8 of the 12 locale categories.
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Subject: [Bug localedata/22535] en_DE: New locale
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| |t
--- Comment #2 from Pander <pander at users dot sourceforge.net> ---
The proposal for en_EU doesn't work unfortunately as each European country has
different local formats. See the specific bug report for more details. As
maintainer of en_NL, hereby me support in favor of adding en_DE.
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From: "pander at users dot sourceforge.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/14641] LC_NAME: deprecate locale category
Date: Thu, 20 Dec 2018 08:38:00 -0000
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--- Comment #40 from Pander <pander at users dot sourceforge.net> ---
Also in the light of more and more countries officially allowing a third gender
https://en.wikipedia.org/wiki/Third_gender this has also influences on
salutations such as https://en.wikipedia.org/wiki/Mx_(title) At the same time,
specific salutations to indicate if a woman is married or not are becoming
archaic https://en.wikipedia.org/wiki/Salutation#Dutch
So better migrate the content of LC_NAME to
https://salsa.debian.org/iso-codes-team/iso-codes and after that has gone live
in e.g. Debian, Ubuntu, Fedora, etc. remove it from glibc.
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Subject: [Bug localedata/23857] Esperanto has no country
Date: Thu, 20 Dec 2018 09:38:00 -0000
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--- Comment #10 from Pander <pander at users dot sourceforge.net> ---
As long as very local languages such as fy_DE, fy_NL, li_NL, nds_NL, nds_DE et
cetera are being supported here while these don't even have a spell checker and
lack translations in for many main applications, I think it support of locales
for Esperanto and English for countries is validated.
Mixing of locale categories simply doesn't work as it should. Configuration
tools of operating systems don't support it and doing it manually in
configuration files or start-up scripts is of most users way too complex. But
it is even more subtle:
Looking at existing locales such as en_DK, en_SE, en_DE and en_NL, about 50% to
75% of such locale can be accomplished with reuse of existing definitions via
copy. However, the remaining part, are custom definitions for certain
categories that cannot be realized by copy alone. The mixing of definitions are
within the specific category.
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Subject: [Bug localedata/23996] Dutch salutations
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[Bug 23996] Dutch salutations
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #7 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
In the commit I see a reference to 2.28.1. Is such a release effectively
planned, and do you know of any (rough) date?
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Thomas De Schampheleire from comment #7)
> In the commit I see a reference to 2.28.1. Is such a release effectively
> planned, and do you know of any (rough) date?
You should build your own tarball from the release/2.28/master branch. The
branch should be ready for production use at all times. Regressions are very
rare (although we recently had one, admittedly).
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #9 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
OK, so there are never official dot-releases?
Regarding this specific bug: am I correct that this problem can only be seen
when reading a directory entry provided by another kernel?
I bump into (what I think is) this issue in Qemu, when accessing a '9p'
filesystem mapped on the host. The target running in Qemu was running with
glibc-2.28 on kernel 4.4, the host machine is CentOS 7 with kernel 3.10 and
glibc 2.17.
When accessing 'local' directories in the same Qemu instance, e.g. /usr or
/tmp, I don't see an issue.
(I'm trying to understand the impact of this bug on our different platforms.)
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Thomas De Schampheleire from comment #9)
> OK, so there are never official dot-releases?
>
> Regarding this specific bug: am I correct that this problem can only be seen
> when reading a directory entry provided by another kernel?
No, it's about old i386 applications.
> I bump into (what I think is) this issue in Qemu, when accessing a '9p'
> filesystem mapped on the host. The target running in Qemu was running with
> glibc-2.28 on kernel 4.4, the host machine is CentOS 7 with kernel 3.10 and
> glibc 2.17.
> When accessing 'local' directories in the same Qemu instance, e.g. /usr or
> /tmp, I don't see an issue.
This is likely a kernel bug. It looks similar to bug 23960, which is strictly
speaking a bug in qemu-user.
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Thu, 20 Dec 2018 13:53:00 -0000
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Thomas De Schampheleire <patrickdepinguin at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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From: "patrickdepinguin at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
Date: Thu, 20 Dec 2018 13:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=23497
--- Comment #11 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
What I specifically see is that a readdir does not return entries when
accessing the 9p filesystem inside Qemu, with a CentOS 7 host. With following
simple test program:
#include <dirent.h>
#include <stdio.h>
void readonce(DIR *dirp)
{
struct dirent *d;
d = readdir(dirp);
if (d == NULL) {
printf("no more entries\n");
return;
}
printf("d_name: %s\n", d->d_name);
printf("d_ino: %lx\n", d->d_ino);
printf("d_off: %lx\n", d->d_off);
printf("d_reclen: %x\n", d->d_reclen);
printf("d_type: %x\n", d->d_type);
printf("\n");
}
int main(int argc, char *argv[])
{
DIR *dirp = opendir(argv[1]);
for (int i = 0; i < 6 ; i++) {
readonce(dirp);
}
}
Output under strace shows multiple calls to getdents64 when accessing the 9p
filesystem:
openat(AT_FDCWD, "/foo", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC)
= 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
brk(NULL) = 0x90ad000
brk(0x90ce000) = 0x90ce000
brk(0x90cf000) = 0x90cf000
getdents64(3, /* 30 entries */, 32768) = 944
fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 65), ...}) = 0
ioctl(1, TCGETS, {B9600 opost isig icanon echo ...}) = 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, /* 0 entries */, 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, /* 0 entries */, 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, /* 0 entries */, 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, /* 0 entries */, 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, /* 0 entries */, 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
while there is only one getdents64 call when accessing a local filesystem like
/tmp:
openat(AT_FDCWD, "/tmp", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC)
= 3
fstat64(3, {st_mode=S_IFDIR|S_ISVTX|0777, st_size=160, ...}) = 0
brk(NULL) = 0x8939000
brk(0x895a000) = 0x895a000
brk(0x895b000) = 0x895b000
getdents64(3, /* 8 entries */, 32768) = 256
fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 65), ...}) = 0
ioctl(1, TCGETS, {B9600 opost isig icanon echo ...}) = 0
write(1, "d_name: .\n", 10d_name: .
) = 10
write(1, "d_ino: 12f8\n", 12d_ino: 12f8
) = 12
write(1, "d_off: 1\n", 9d_off: 1
) = 9
write(1, "d_reclen: 10\n", 13d_reclen: 10
) = 13
write(1, "d_type: 4\n", 10d_type: 4
) = 10
write(1, "\n", 1
) = 1
write(1, "d_name: ..\n", 11d_name: ..
) = 11
write(1, "d_ino: 12f8\n", 12d_ino: 12f8
) = 12
write(1, "d_off: 2\n", 9d_off: 2
) = 9
write(1, "d_reclen: 10\n", 13d_reclen: 10
) = 13
write(1, "d_type: 4\n", 10d_type: 4
) = 10
write(1, "\n", 1
) = 1
...
Using the same target software and same qemu version on another host machine
(which is a more modern Gentoo system with kernel 4.14.x, rather than the old
CentOS 7 with kernel 3.10), I see no issues on either type of filesystem.
I have yet to try it myself, but do you still think that the fix for this bug
(#23497) is not the solution here?
The other bug #23960 refers to sigaction changes but I fail to see how they
relate to the reproducer above.
If I should open a new bug, please let me know.
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
Date: Thu, 20 Dec 2018 13:58:00 -0000
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
Please open a new bug and include “strace -v†output (with the d_off values).
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From: "sergi at koolpi dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/24013] New: am_pm definitions for es_ES
Date: Thu, 20 Dec 2018 14:46:00 -0000
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Bug ID: 24013
Summary: am_pm definitions for es_ES
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
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CC: libc-locales at sourceware dot org
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Created attachment 11479
--> https://sourceware.org/bugzilla/attachment.cgi?id=11479&action=edit
patch_v1
In Spain "a. m." and "p. m." are used for AM/PM abreviations. Here are some
evidences:
The Spanish real academy:
http://lema.rae.es/dpd/srv/search?id=YNoTWNJnAD6bhhVBf9
In the wikipedia page that explains the 12hours system clearly shows that it
whould be used:
https://es.wikipedia.org/wiki/Sistema_horario_de_12_horas
and also:
http://hispanoteca.eu/gram%C3%A1ticas/Gram%C3%A1tica%20espa%C3%B1ola/Ortograf%C3%ADa-%20RAE%202010-Hora%20y%20fecha.htm
I've attached a patch that fixes it.
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From: "patrickdepinguin at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24014] New: no results from readdir on host-mapped filesystem in Qemu with old host kernel
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Bug ID: 24014
Summary: no results from readdir on host-mapped filesystem in
Qemu with old host kernel
Product: glibc
Version: 2.28
Status: UNCONFIRMED
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Priority: P2
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I am seeing a readdir-related problem inside qemu-system-i386, when accessing a
'9p' filesystem which is mapped to a host directory. The readdir call does not
return any directory entries, not even '.' or '..'.
When accessing a local filesystem like /tmp, readdir does return the expected
entries.
The problem is seen when running Qemu on CentOS 7 with kernel 3.10, and not
seen when running the same Qemu version 2.11.0 on Gentoo with kernel 4.14.
The target toolchain used to build the test program running inside Qemu is
consisting of gcc 7.3.0, glibc 2.28, binutils 2.31.1.
Test program takes a directory path as argument and prints out the first three
entries received from readdir. In the bad case, this prints nothing.
#include <dirent.h>
#include <stdio.h>
void readonce(DIR *dirp)
{
struct dirent *d;
d = readdir(dirp);
if (d == NULL) {
printf("no more entries\n");
return;
}
printf("d_name: %s\n", d->d_name);
}
int main(int argc, char *argv[])
{
DIR *dirp = opendir(argv[1]);
for (int i = 0; i < 3 ; i++) {
readonce(dirp);
}
}
Output from 'strace -v' on the bad case (accessing the 9p filesystem):
openat(AT_FDCWD, "/mnt/nand-dbase/foo/",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
fstat64(3, {st_dev=makedev(0, 19), st_ino=361311, st_mode=S_IFDIR|0755,
st_nlink=2, st_uid=10570, st_gid=3610, st_blksize=4096, st_blocks=8,
st_size=4096, st_atime=1545319664 /* 2018-12-20T15:27:44.400824994+0000 */,
st_atime_nsec=400824994, st_mtime=1545319674 /*
2018-12-20T15:27:54.205814105+0000 */, st_mtime_nsec=205814105,
st_ctime=1545319674 /* 2018-12-20T15:27:54.205814105+0000 */,
st_ctime_nsec=205814105}) = 0
brk(NULL) = 0x9da0000
brk(0x9dc1000) = 0x9dc1000
brk(0x9dc2000) = 0x9dc2000
getdents64(3, [{d_ino=361275, d_off=1532808351538279948, d_reclen=24,
d_type=DT_DIR, d_name=".."}, {d_ino=358605, d_off=8467452789161523084,
d_reclen=24, d_type=DT_REG, d_name="bar"}, {d_ino=361311,
d_off=9223372036854775807, d_reclen=24, d_type=DT_DIR, d_name="."}], 32768) =
72
fstat64(1, {st_dev=makedev(0, 6), st_ino=4568, st_mode=S_IFCHR|0600,
st_nlink=1, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0,
st_rdev=makedev(4, 65), st_atime=1545319680 /*
2018-12-20T15:28:00.769282559+0000 */, st_atime_nsec=769282559,
st_mtime=1545319680 /* 2018-12-20T15:28:00.769282559+0000 */,
st_mtime_nsec=769282559, st_ctime=1545313074 /*
2018-12-20T13:37:54.834207421+0000 */, st_ctime_nsec=834207421}) = 0
ioctl(1, TCGETS, {c_iflags=0x1500, c_oflags=0x5, c_cflags=0xcbd,
c_lflags=0xa3b, c_line=0,
c_cc="\x03\x1c\x7f\x15\x04\x00\x01\x00\x11\x13\x1a\x0a\x12\x0f\x17\x16\x00\x00\x00"})
= 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, [], 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
getdents64(3, [], 32768) = 0
write(1, "no more entries\n", 16no more entries
) = 16
Output on the same system but a local filesystem (/tmp):
openat(AT_FDCWD, "/tmp/foo",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
fstat64(3, {st_dev=makedev(0, 15), st_ino=15109, st_mode=S_IFDIR|0755,
st_nlink=2, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0, st_size=60,
st_atime=1545320147 /* 2018-12-20T15:35:47.893535644+0000 */,
st_atime_nsec=893535644, st_mtime=1545320150 /*
2018-12-20T15:35:50.597535644+0000 */, st_mtime_nsec=597535644,
st_ctime=1545320150 /* 2018-12-20T15:35:50.597535644+0000 */,
st_ctime_nsec=597535644}) = 0
brk(NULL) = 0x9f11000
brk(0x9f32000) = 0x9f32000
brk(0x9f33000) = 0x9f33000
getdents64(3, [{d_ino=15109, d_off=1, d_reclen=24, d_type=DT_DIR, d_name="."},
{d_ino=4856, d_off=2, d_reclen=24, d_type=DT_DIR, d_name=".."}, {d_ino=15110,
d_off=3, d_reclen=24, d_type=DT_REG, d_name="bar"}], 32768) = 72
fstat64(1, {st_dev=makedev(0, 6), st_ino=4568, st_mode=S_IFCHR|0600,
st_nlink=1, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0,
st_rdev=makedev(4, 65), st_atime=1545320152 /*
2018-12-20T15:35:52.769282559+0000 */, st_atime_nsec=769282559,
st_mtime=1545320152 /* 2018-12-20T15:35:52.769282559+0000 */,
st_mtime_nsec=769282559, st_ctime=1545313074 /*
2018-12-20T13:37:54.834207421+0000 */, st_ctime_nsec=834207421}) = 0
ioctl(1, TCGETS, {c_iflags=0x1500, c_oflags=0x5, c_cflags=0xcbd,
c_lflags=0xa3b, c_line=0,
c_cc="\x03\x1c\x7f\x15\x04\x00\x01\x00\x11\x13\x1a\x0a\x12\x0f\x17\x16\x00\x00\x00"})
= 0
write(1, "d_name: .\n", 10d_name: .
) = 10
write(1, "d_name: ..\n", 11d_name: ..
) = 11
write(1, "d_name: bar\n", 12d_name: bar
) = 12
The bad case shows very large d_off values in getdents64, and repeated calls to
this function, while in the good case there is just one call with small d_off
values.
Could be related to #23960 and/or #23497.
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Subject: [Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
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--- Comment #13 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
(In reply to Florian Weimer from comment #12)
> Please open a new bug and include “strace -v†output (with the d_off values).
Thanks, see bug 24014.
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Subject: [Bug libc/24014] no results from readdir on host-mapped filesystem in Qemu with old host kernel
Date: Thu, 20 Dec 2018 16:01:00 -0000
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----------------------------------------------------------------------------
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
What's the file system on the host that is exported using 9p? Is it ext4?
Can you try this with XFS instead? Thanks.
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commit 659b3df5db97948f4c6042203163873fb96ec512
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 12:19:11 2018 +0200
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
(cherry picked from commit 43d4f3d5ad94e1fa5e56d7a7200d0e9f3d8e2f02)
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commit b501c7b09eb941dc7ff21f9939c322d2c9c32ec0
Author: Andreas Schwab <schwab@suse.de>
Date: Tue May 22 10:37:59 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff52a12250bd381aaef91edc0269f6e3e79d20ac
commit ff52a12250bd381aaef91edc0269f6e3e79d20ac
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
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commit 3f949b03473b4ca8b8e69a4e540511dfee39e493
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 27 ++++++
NEWS | 17 ++++
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/test-bz22786.c | 90 ++++++++++++++++++++
string/test-memmove.c | 57 ++++++++++++
string/test-mempcpy.c | 1 +
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 ++--
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
9 files changed, 203 insertions(+), 10 deletions(-)
create mode 100644 stdlib/test-bz22786.c
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Subject: [Bug string/23196] __mempcpy_avx512_no_vzeroupper mishandles large copies (CVE-2018-11237)
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Date: Thu May 24 12:19:11 2018 +0200
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
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Author: Andreas Schwab <schwab@suse.de>
Date: Tue May 22 10:37:59 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff52a12250bd381aaef91edc0269f6e3e79d20ac
commit ff52a12250bd381aaef91edc0269f6e3e79d20ac
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f949b03473b4ca8b8e69a4e540511dfee39e493
commit 3f949b03473b4ca8b8e69a4e540511dfee39e493
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 27 ++++++
NEWS | 17 ++++
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/test-bz22786.c | 90 ++++++++++++++++++++
string/test-memmove.c | 57 ++++++++++++
string/test-mempcpy.c | 1 +
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 ++--
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
9 files changed, 203 insertions(+), 10 deletions(-)
create mode 100644 stdlib/test-bz22786.c
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Subject: [Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold (CVE-2017-18269)
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Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 24 12:19:11 2018 +0200
Add references to CVE-2017-18269, CVE-2018-11236, CVE-2018-11237
(cherry picked from commit 43d4f3d5ad94e1fa5e56d7a7200d0e9f3d8e2f02)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b501c7b09eb941dc7ff21f9939c322d2c9c32ec0
commit b501c7b09eb941dc7ff21f9939c322d2c9c32ec0
Author: Andreas Schwab <schwab@suse.de>
Date: Tue May 22 10:37:59 2018 +0200
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug
23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff52a12250bd381aaef91edc0269f6e3e79d20ac
commit ff52a12250bd381aaef91edc0269f6e3e79d20ac
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue May 8 18:12:41 2018 -0700
Fix BZ 22786: integer addition overflow may cause stack buffer overflow
when realpath() input length is close to SSIZE_MAX.
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
(cherry picked from commit 5460617d1567657621107d895ee2dd83bc1f88f2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f949b03473b4ca8b8e69a4e540511dfee39e493
commit 3f949b03473b4ca8b8e69a4e540511dfee39e493
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Fri Mar 23 16:19:45 2018 +0100
Fix i386 memmove issue (bug 22644).
[BZ #22644]
* sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
branch conditions.
* string/test-memmove.c (do_test2): New testcase.
(cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 27 ++++++
NEWS | 17 ++++
stdlib/Makefile | 2 +-
stdlib/canonicalize.c | 2 +-
stdlib/test-bz22786.c | 90 ++++++++++++++++++++
string/test-memmove.c | 57 ++++++++++++
string/test-mempcpy.c | 1 +
.../i386/i686/multiarch/memcpy-sse2-unaligned.S | 12 ++--
.../multiarch/memmove-avx512-no-vzeroupper.S | 5 +-
9 files changed, 203 insertions(+), 10 deletions(-)
create mode 100644 stdlib/test-bz22786.c
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From: "zhixiong.chi at windriver dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24016] New: fflush thread always can't get the fp lock, it will be got by the read thread for arm arch.
Date: Fri, 21 Dec 2018 01:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24016
Bug ID: 24016
Summary: fflush thread always can't get the fp lock, it will be
got by the read thread for arm arch.
Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: zhixiong.chi at windriver dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
I want to verify the
issue[https://sourceware.org/bugzilla/show_bug.cgi?id=19431] on my qemuarm
target, then I use the test file tst-malloc-fork-io.c from Florian Weimer then
add the printf sentence in the fork thread.
We execute the test binary several times.
Sometimes we can't see the statistic output of the main thread just some fork
printf output. Sometimes we can see it on the console.
The debugging info as follows:
(gdb) info thread
Id Target Id Frame
14 Thread 0xb6ded470 (LWP 1376) "hello" 0xb6f39d74 in __lll_lock_wait (
futex=0xb6f84514 <_rtld_global+1220>, private=0) at lowlevellock.c:43
->acquire 0xb6f84514 互斥é”
13 Thread 0xb65ed470 (LWP 1377) "hello" 0xb6f39d74 in __lll_lock_wait (
futex=0xb6f84514 <_rtld_global+1220>, private=0) at lowlevellock.c:43
12 Thread 0xb5ded470 (LWP 1379) "hello" 0xb6eca6a4 in
__lll_lock_wait_private (
futex=0xb6f276ac <list_all_lock>) at ./lowlevellock.c:33
11 Thread 0xb55ed470 (LWP 1380) "hello" 0xb6f39d74 in __lll_lock_wait (
futex=0xb6f84514 <_rtld_global+1220>, private=0) at lowlevellock.c:43
10 Thread 0xb4ded470 (LWP 1381) "hello" 0xb6eca6a4 in
__lll_lock_wait_private (
futex=0xb6f276ac <list_all_lock>) at ./lowlevellock.c:33
9 Thread 0xb45ed470 (LWP 1382) "hello" _IO_getdelim (lineptr=0xb45ece64,
n=0xb45ece60, delimiter=10, fp=0xb0100470) at iogetdelim.c:63
8 Thread 0xb3ded470 (LWP 1383) "hello" 0xb6eca6a4 in
__lll_lock_wait_private (
futex=0xb6f276ac <list_all_lock>) at ./lowlevellock.c:33
7 Thread 0xb35ed470 (LWP 1384) "hello" 0xb6eaf358 in read ()
at ../sysdeps/unix/syscall-template.S:84
6 Thread 0xb2ded470 (LWP 1385) "hello" __memcpy_neon ()
at ../sysdeps/arm/armv7/multiarch/memcpy_impl.S:590
5 Thread 0xb25ed470 (LWP 1386) "hello" 0xb6eaf358 in read ()
at ../sysdeps/unix/syscall-template.S:84
4 Thread 0xb1ded470 (LWP 1387) "hello" _IO_getdelim (lineptr=0xb1dece64,
n=0xb1dece60, delimiter=10, fp=0xb0000470) at iogetdelim.c:56
3 Thread 0xb15ed470 (LWP 1388) "hello" 0xb6eaf358 in read ()
at ../sysdeps/unix/syscall-template.S:84
* 2 Thread 0xb0ded470 (LWP 1390) "hello" __lll_lock_wait_private
(futex=0xb0400510)
at ./lowlevellock.c:32
1 Thread 0xb6f80000 (LWP 1375) "hello" 0xb6eca6a4 in
__lll_lock_wait_private (
futex=0xb6f276ac <list_all_lock>) at ./lowlevellock.c:33
->acquire list_all_lock
(gdb)
Thread 1 is the main thread, it will acquire the global lock list_all_lock that
is got by thread 2 (fflush thread). And thread 2 is acquiring the fp
lock(fp->_lock) that is got by thread 6 (read thread).
At the same time thread 11, 13 and 14(fork threads) acquire the lock
(futex=0xb6f84514) which is got by thread 12, but thread 12 waits to acquire
the global list_all_lock.
The issue is that the fflush thread always can't got the fp lock, so it won't
unlock the global list_all_lock, then the fork thread and main thread can not
continue on running.
For arm arch the fp lock will finally call the futex systemcall.
Thanks.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/24016] fflush thread always can't get the fp lock, it will be got by the read thread for arm arch.
Date: Fri, 21 Dec 2018 01:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24016
ZhixiongChi <zhixiong.chi at windriver dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |zhixiong.chi at windriver dot com
--- Comment #1 from ZhixiongChi <zhixiong.chi at windriver dot com> ---
Created attachment 11481
--> https://sourceware.org/bugzilla/attachment.cgi?id=11481&action=edit
test case
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/24016] fflush thread always can't get the fp lock, it will be got by the read thread for arm arch.
Date: Fri, 21 Dec 2018 02:00:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
Priority|P2 |P1
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From: "zhixiong.chi at windriver dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24016] fflush thread always can't get the fp lock, it will be got by the read thread for arm arch.
Date: Fri, 21 Dec 2018 02:59:00 -0000
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--- Comment #2 from ZhixiongChi <zhixiong.chi at windriver dot com> ---
Comment on attachment 11481
--> https://sourceware.org/bugzilla/attachment.cgi?id=11481
test case
>#include <sys/wait.h>
>#include <unistd.h>
>#include <errno.h>
>#include <stdio.h>
>#include <pthread.h>
>#include <stdbool.h>
>#include <stdlib.h>
>#include <malloc.h>
>#include <time.h>
>#include <string.h>
>
>enum {
> /* Number of threads which call fork. */
> fork_thread_count = 4,
> /* Number of threads which call getline (and, indirectly,
> malloc). */
> read_thread_count = 8,
>};
>
>static size_t fork_counter;
>
>static void *
>fork_thread_function (void *closure)
>{
> while (true)
> {
> pid_t pid = fork ();
> if (pid < 0)
> {
> printf ("error: fork: %m\n");
> abort ();
> }
> else if (pid == 0)
> {
> printf("Exit child thread <%d>\n", getpid());
> _exit (17);
> }
> printf ("Fork end <%d>\n", getpid());
>
> __atomic_fetch_add (&fork_counter, 1, __ATOMIC_RELAXED);
> int status;
> if (waitpid (pid, &status, 0) < 0)
> {
> printf ("error: waitpid: %m\n");
> abort ();
> }
> }
>}
>
>static char *file_to_read;
>static size_t read_counter;
>
>static void *
>read_thread_function (void *closure)
>{
> FILE *f = fopen (file_to_read, "rw");
> if (f == NULL)
> {
> printf ("error: fopen: %m\n");
> abort ();
> }
>
> while (true)
> {
> rewind (f);
> char *line = NULL;
> size_t line_allocated = 0;
> ssize_t ret = getline (&line, &line_allocated, f);
> if (ret < 0)
> {
> printf ("error: getline: %m\n");
> abort ();
> }
> __atomic_fetch_add (&read_counter, 1, __ATOMIC_RELAXED);
> free (line);
> }
>}
>
>static void *
>flushall_thread_function (void *closure)
>{
> while (true)
> fflush (NULL);
> return NULL;
>}
>
>static void
>create_threads (pthread_t *threads, size_t count, void *(*func)(void *))
>{
> for (int i = 0; i < count; ++i)
> {
> int ret = pthread_create (threads + i, NULL, func, NULL);
> if (ret != 0)
> {
> errno = ret;
> printf ("error: pthread_create: %m\n");
> abort ();
> }
> }
>}
>
>/* Create a file which consists of a single long line. The hope is
> that this triggers an allocation in getline which needs a lock. */
>static char *
>create_file_with_large_line (void)
>{
> char *name = strdup ("/tmp/tst-malloc-fork-XXXXXX");
> if (name == NULL)
> {
> printf ("error: strdup: %m\n");
> abort ();
> }
> int fd = mkstemp (name);
> if (fd < 0)
> {
> printf ("error: mkstemp: %m\n");
> abort ();
> }
> FILE *f = fdopen (fd, "w");
> if (f == NULL)
> {
> printf ("error: fdopen: %m\n");
> abort ();
> }
> for (int i = 0; i < 50000; ++i)
> fputc ('x', f);
> fputc ('\n', f);
> if (ferror (f))
> {
> printf ("error: fputc: %m\n");
> abort ();
> }
> if (fclose (f) != 0)
> {
> printf ("error: fclose: %m\n");
> abort ();
> }
> return name;
>}
>
>static void
>__attribute__ ((noinline, noclone))
>my_free (void *p)
>{
> free (p);
>}
>
>int
>main (int argc, char **argv)
>{
> if (mallopt (M_ARENA_MAX, 400) == 0)
> {
> printf ("error: mallopt (M_ARENA_MAX) failed\n");
> return 1;
> }
>
> file_to_read = create_file_with_large_line ();
>
> pthread_t fork_threads[fork_thread_count];
> create_threads (fork_threads, fork_thread_count, fork_thread_function);
> pthread_t read_threads[read_thread_count];
> create_threads (read_threads, read_thread_count, read_thread_function);
> pthread_t flushall_threads[1];
> create_threads (flushall_threads, 1, flushall_thread_function);
>
> /* Report process liveness. */
> while (true)
> {
> void *p = malloc (500);
> my_free (p);
> time_t current = time (NULL);
> struct tm current_tm;
> if (gmtime_r (¤t, ¤t_tm) == NULL)
> {
> printf ("error: gmtime_r: %m\n");
> abort ();
> }
> char current_str[100];
> if (strftime (current_str, sizeof (current_str),
> "%Y-%m-%d %H:%M:%S", ¤t_tm) == 0)
> {
> printf ("error: strftime failed\n");
> abort ();
> }
> printf ("info: %s: fork=%zu read=%zu\n",
> current_str,
> __atomic_load_n (&fork_counter, __ATOMIC_RELAXED),
> __atomic_load_n (&read_counter, __ATOMIC_RELAXED));
> struct timespec second = {1};
> if (nanosleep (&second, NULL) != 0)
> {
> printf ("error: nanosleep: %m\n");
> abort ();
> }
> }
>}
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
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--- Comment #6 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
There is no en_NL locale in glibc. I believe you are talking about a different
project, maybe about some non-upstream patches for glibc. Of course, localedef
tool exists in order to allow the users build and use their own locales, even
without the root permissions. So you may have and use whatever locale you
want. However, I'm trying here to avoid inflation of locales. The problem is
that each new locale, even if it source code is short and easy to implement,
makes about 2 MB binaries. This multiplied by about 200 or 300 locales we
currently provide may make a problem. Distros are already complaining about it
because the locale binaries take too much space both in installation media and
in the users' computers.
Of course, en_EU will not work for everyone. Even if it works for 8 or 12
countries I'd be satisfied.
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
Date: Fri, 21 Dec 2018 10:51:00 -0000
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--- Comment #7 from Pander <pander at users dot sourceforge.net> ---
I understand that the footprint needs to be as minimal as possible, and I'm
thinking how we could solve that the best. For example
https://www.sourceware.org/bugzilla/show_bug.cgi?id=24006 would enable more
minimization when needed.
Also https://www.sourceware.org/bugzilla/show_bug.cgi?id=14641 would free up
some space.
en_NL is indeed not in glibc, as is en_DE and en_SE. Only en_DK is, because it
was introduced early on. To reduce size and accommodate more practical use, I
would sooner propose removing li_NL, nds_NL, nds_DE and alike. See also
https://www.sourceware.org/bugzilla/show_bug.cgi?id=23857 for reasons.
There are more and more users in EU countries using their system in English
(and prefer to have correct support for their locale datetime, currency, etc.)
than there are users that want to use their system in their very very local
language such as:
- Upper Sorbian (hsb_DE)
- Lower Sorbian (dsb_DE)-
- Low German/Saxon/Nedersaksisch (nds_DE and nds_NL)
- Frisian (fy_DE and fy_NL)
- Limburgs (li_NL and li_BE)
which don't even have a spell checker or wide localization of applications.
These locales have practically no users, whereas most developers in EU
countries work in the English language but are in need of proper support of
datetime, currenct, etc.
Perhaps even join fr_BE and wa_BE, to free up even more space.
Locale en_EU is gonna give a lot of confusion, remarks and struggles over which
exact formats should be used, as they differ substantially among EU countries,
even/especially the larger countries.
In my opinion, better to trade the before mentioned locales for en_DE, en_SE,
en_NE, etc.
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From: "vasudevapavankumar at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24017] New: How to make glibc2.27 to work with Linux Kernel 2.6.32 on mips
Date: Fri, 21 Dec 2018 11:06:00 -0000
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Bug ID: 24017
Summary: How to make glibc2.27 to work with Linux Kernel 2.6.32
on mips
Product: glibc
Version: 2.27
Status: UNCONFIRMED
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Hi,
I want to use GlibC 2.27 on Linux Kernel 2.6.32 on mips ( octeon II)
architecture and failed.
I know this is not a supported combination but I am forced to use such
combination as the same works on x86.
I even suppressed the check for arch_minimum_kernel to be 3.2 and I also used
--enable-kernel=2.6.32.
Still the binaries linking to glibc 2.27 are crashing at different places.
I tried to revert patch which does "Consolidate Linux select implementation"
(commit id:26f28fd73d20df8847d93f88b6e2a7bd3bd9bf51 ) and had some luck to
proceed further but soon it crashed in memcpy().
I understood that I cannot keep on reverting commits like this, so I wonder if
there is a way to make Glibc 2.27 to work with 2.6.32 kernel on mips.
Regards,
Vasudev
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Subject: [Bug libc/24017] How to make glibc2.27 to work with Linux Kernel 2.6.32 on mips
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Vasudev Nori <vasudevapavankumar at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |mips-*-*-*
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Subject: [Bug libc/24017] How to make glibc2.27 to work with Linux Kernel 2.6.32 on mips
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
This is a substantial porting effort, particularly if you want to use the
2.6.32 GA kernel which lacks many interfaces and requires reinstantation of
userspace emulation for them.
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>From glibc-bugs-return-44228-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 21 11:10:44 2018
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Subject: [Bug libc/24017] How to make glibc2.27 to work with Linux Kernel 2.6.32 on mips
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |fweimer at redhat dot com
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Flags| |security-
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Such matters should probably be discussed on a mailing list (libc-help or
libc-alpha). Bugzilla is not a support tool.
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>From glibc-bugs-return-44229-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 21 14:58:07 2018
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Subject: [Bug libc/24018] New: gettext() may return NULL
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Bug ID: 24018
Summary: gettext() may return NULL
Product: glibc
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dcigettext.c line 634 contains the statement
return NULL;
>From the wrong indentation of this line you can already guess that this code
was written in a hurry. And indeed it is buggy: gettext() is not supposed to
return NULL when given a non-NULL argument.
Better replace this line with
goto return_untranslated;
like 4 lines above.
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Subject: [Bug libc/24018] gettext() may return NULL
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--- Comment #1 from Bruno Haible <bruno at clisp dot org> ---
The questionable code was added by Florian Weimer on 2017-06-21.
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Florian Weimer <fweimer at redhat dot com> changed:
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From: "bruno at clisp dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24019] New: Insufficient cleanup in dcigettext.c
Date: Fri, 21 Dec 2018 15:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24019
Bug ID: 24019
Summary: Insufficient cleanup in dcigettext.c
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: bruno at clisp dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 11482
--> https://sourceware.org/bugzilla/attachment.cgi?id=11482&action=edit
fix
During the abnormal termination of the _nl_find_msg function in line 1096, the
freshly allocated string in the variable 'encoding' is not freed, and the taken
lock is not unlocked.
Find attached a fix.
ChangeLog:
2017-05-18 Bruno Haible <bruno@clisp.org>
Fix missing unlock.
Found by Coverity.
* intl/dcigettext.c (_nl_find_msg): Unlock the lock and free allocated memory
before returning.
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From: "bruno at clisp dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/18871] _nl_load_domain memory leak
Date: Fri, 21 Dec 2018 15:24:00 -0000
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Bruno Haible <bruno at clisp dot org> changed:
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CC| |bruno at clisp dot org
--- Comment #4 from Bruno Haible <bruno at clisp dot org> ---
The fix looks good to me as well, as has been in GNU gettext for 3 years now.
Paul's fix can now be applied to glibc as well.
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Subject: [Bug libc/24020] New: Insufficient cleanup in loadmsgcat.c
Date: Fri, 21 Dec 2018 15:28:00 -0000
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Bug ID: 24020
Summary: Insufficient cleanup in loadmsgcat.c
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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CC: drepper.fsp at gmail dot com
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Created attachment 11483
--> https://sourceware.org/bugzilla/attachment.cgi?id=11483&action=edit
fix
Memory stays allocated when _nl_load_domain fails. (Note: This is another
memory leak than the one reported in bug 18871.)
The attached patch fixes it.
ChangeLog:
2017-05-19 Bruno Haible <bruno@clisp.org>
Fix memory leak.
Found by Coverity.
* intl/loadmsgcat.c (_nl_load_domain): Free allocated memory before returning
in out-of-memory case.
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>From glibc-bugs-return-44235-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 21 15:31:09 2018
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Subject: [Bug libc/24019] Insufficient cleanup in dcigettext.c
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Comment on attachment 11482
--> https://sourceware.org/bugzilla/attachment.cgi?id=11482
fix
Are you going to post this patch to libc-alpha? Thanks.
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Subject: [Bug libc/24021] New: intl: verify mo files harder
Date: Fri, 21 Dec 2018 15:40:00 -0000
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Bug ID: 24021
Summary: intl: verify mo files harder
Product: glibc
Version: unspecified
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Created attachment 11484
--> https://sourceware.org/bugzilla/attachment.cgi?id=11484&action=edit
fix
During the loading of .mo files, loadmsgcat.c currently does not verify that
there is a NUL byte at the end of the system-dependent segments. I believe that
passing a crafted .mo file to glibc could lead to a buffer overrun, in the
worst case.
ChangeLog entry:
2017-09-24 Bruno Haible <bruno@clisp.org>
intl: Verify that system dependent strings in .mo files are NUL terminated.
Reported by Jakub Wilk <jwilk@jwilk.net> in
<https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=876498>.
* intl/loadmsgcat.c (_nl_load_domain): Bail out if some of the system-dependent
strings has a last static segment that is not NUL terminated.
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>From glibc-bugs-return-44237-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 21 15:56:00 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/24019] Insufficient cleanup in dcigettext.c
Date: Fri, 21 Dec 2018 15:55:00 -0000
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--- Comment #2 from Bruno Haible <bruno at clisp dot org> ---
> Are you going to post this patch to libc-alpha?
I am so far away from glibc development nowadays (don't have a test
environment, don't know about the current process etc.) that it would be good
if one of the glibc maintainers would adopt responsibility for bringing this
fix into glibc. Please keep me CCed, of course.
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>From glibc-bugs-return-44238-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 21 16:33:28 2018
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/24022] New: riscv build failure with Linux kernel 4.20-rc7
Date: Fri, 21 Dec 2018 16:33:00 -0000
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Bug ID: 24022
Summary: riscv build failure with Linux kernel 4.20-rc7
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: carlos at redhat dot com
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Target: riscv
I got
./sysdeps/unix/sysv/linux/riscv/flush-icache.c:24:10: fatal error:
asm/syscalls.h: No such file or directory
#include <asm/syscalls.h>
asm/syscalls.h has been removed by
commit 27f8899d6002e11a6e2d995e29b8deab5aa9cc25
Author: David Abdurachmanov <david.abdurachmanov@gmail.com>
Date: Thu Nov 8 20:02:39 2018 +0100
riscv: add asm/unistd.h UAPI header
Marcin Juszkiewicz reported issues while generating syscall table for riscv
using 4.20-rc1. The patch refactors our unistd.h files to match some other
architectures.
- Add asm/unistd.h UAPI header, which has __ARCH_WANT_NEW_STAT only for
64-bit
- Remove asm/syscalls.h UAPI header and merge to asm/unistd.h
- Adjust kernel asm/unistd.h
So now asm/unistd.h UAPI header should show all syscalls for riscv.
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Can we use __has_include to fix this if we bump the minimum GCC version to 5?
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Subject: [Bug libc/24016] fflush thread always can't get the fp lock, it will be got by the read thread for arm arch.
Date: Fri, 21 Dec 2018 17:02:00 -0000
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Subject: [Bug build/24022] riscv build failure with Linux kernel 4.20-rc7
Date: Fri, 21 Dec 2018 17:21:00 -0000
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> Can we use __has_include to fix this if we bump the minimum GCC version to 5?
Does GCC 4.9 even support riscv?
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Subject: [Bug build/24022] riscv build failure with Linux kernel 4.20-rc7
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
https://lore.kernel.org/linux-riscv/20181211080935.20856-1-david.abdurachmanov@gmail.com/
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Subject: [Bug libc/23993] glibc 2.29 doesn't build with gcc 4.9
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https://sourceware.org/bugzilla/show_bug.cgi?id=23993
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 192963be49678b48f60218f1f794991cdd9fe472 (commit)
from c0e82f117357a941e4d40fcc08babbd6a3c3a1b5 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=192963be49678b48f60218f1f794991cdd9fe472
commit 192963be49678b48f60218f1f794991cdd9fe472
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Dec 21 17:53:40 2018 +0000
Require GCC 5 or later to build glibc (bug 23993).
We know that building glibc with GCC 4.9 is broken on various
platforms (bug 23993). As it's more than a year since we last
increased the minimum GCC version to build glibc, this patch changes
the requirement to be GCC 5 or later (indeed, based on 4.9 having been
required for building 2.26, it would be consistent in terms of timing
to require GCC 6 or later from the 2.30 release onwards). It
deliberately just updates the configure test and corresponding
documentation, leaving removal of no-longer-needed __GNUC_PREREQ tests
for a separate patch.
In the NEWS entry, the requirement for a newer GCC version for
powerpc64le is reiterated (as in the entry for the 4.9 requirement in
2.26) to avoid suggesting the version requirement there has gone down.
(If that version goes up further as part of support for binary128 long
double, of course the wording would change at that time.)
Tested for x86_64.
[BZ #23993]
* configure.ac (libc_cv_compiler_ok): Require GCC 5 or later.
* configure: Regenerated.
* manual/install.texi (Tools for Compilation): Update minimum GCC
version.
* INSTALL: Regenerated.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
INSTALL | 4 ++--
NEWS | 6 ++++++
configure | 2 +-
configure.ac | 2 +-
manual/install.texi | 4 ++--
6 files changed, 21 insertions(+), 6 deletions(-)
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Subject: [Bug libc/23993] glibc 2.29 doesn't build with gcc 4.9
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
"Fixed" (by declaring 4.9 officially no longer supported for building glibc,
with configure-time check) for 2.29.
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Subject: [Bug build/24023] New: [2.29 Regression] FAIL: elf/check-localplt
Date: Fri, 21 Dec 2018 18:43:00 -0000
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Bug ID: 24023
Summary: [2.29 Regression] FAIL: elf/check-localplt
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: carlos at redhat dot com
Target Milestone: ---
Target: nios2
For Wnios2-linux-gnu, with
commit 192963be49678b48f60218f1f794991cdd9fe472
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Dec 21 17:53:40 2018 +0000
Require GCC 5 or later to build glibc (bug 23993).
I got
FAIL: elf/check-localplt
Extra PLT reference: libc.so: __floatundidf
This is a new regression since last week.
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |albert.aribaud at 3adev dot fr
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
This is caused by:
commit ac253355baf6ce73a92c4f4d94a32b65859fc634
Author: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Date: Thu Dec 20 22:14:08 2018 +0100
Y2038: make __difftime compatible with 64-bit time
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Subject: [Bug libc/24014] no results from readdir on host-mapped filesystem in Qemu with old host kernel
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--- Comment #2 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> What's the file system on the host that is exported using 9p? Is it ext4?
>
> Can you try this with XFS instead? Thanks.
I think it is indeed ext4, but the machine is down now for end-of-year
maintenance. I will be able to verify it next week.
There is no existing XFS filesystem on the machine, but I will try creating an
XFS filesystem in a regular file via loop mount. Would it be sufficient for
your question?
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Subject: [Bug build/24023] [2.29 Regression] FAIL: elf/check-localplt
Date: Fri, 21 Dec 2018 19:03:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=57b3ff8e1a4ca8118c5d9a47584e6e0ce6f7002f
commit 57b3ff8e1a4ca8118c5d9a47584e6e0ce6f7002f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Dec 21 19:02:23 2018 +0000
Update nios2, sparc32 localplt.data for difftime changes (bug 24023).
The recent difftime changes introduced localplt test failures on nios2
and sparc32, two configurations where some soft-fp functions are
defined in / exported from libc.so, and where the difftime changes
affected the particular set of floating-point operations used in
libc.so. This patch adds those functions to localplt.data, alongside
other such functions already there. (In the sparc32 case, and more
generally on any platform where long double is a software
floating-point type, it would probably be more efficient to avoid
using long double at all in difftime, but that's a pre-existing
issue.)
Tested with build-many-glibcs.py for its nios2 and sparcv9
configurations.
[BZ #24023]
* sysdeps/unix/sysv/linux/nios2/localplt.data: Allow __floatundidf
PLT reference in libc.so.
* sysdeps/unix/sysv/linux/sparc/sparc32/localplt.data: Allow
_Q_lltoq and _Q_qtod PLT references in libc.so.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
sysdeps/unix/sysv/linux/nios2/localplt.data | 1 +
.../unix/sysv/linux/sparc/sparc32/localplt.data | 2 ++
3 files changed, 11 insertions(+), 0 deletions(-)
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Subject: [Bug build/24023] [2.29 Regression] FAIL: elf/check-localplt
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.29.
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Subject: [Bug string/24024] New: strerror() might set errno to ENOMEM due to -fno-math-error
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Bug ID: 24024
Summary: strerror() might set errno to ENOMEM due to
-fno-math-error
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: aurelien at aurel32 dot net
Target Milestone: ---
Commit 1294b1892e ("Add support for sqrt asm redirects") added the
-fno-math-errno flag to build most of the glibc in order to enable GCC to
inline math function. This allows GCC to optimize-out saving and restoring
errno around function calls. In turn this causes strerror to set the errno
value to ENOMEM in case of an invalid error number and memory allocation error,
which is not allowed by POSIX.
This happens for example when running the following example under qemu-arm:
#include <stdio.h>
#include <string.h>
#include <errno.h>
int main(void)
{
errno=0;
char *msg=strerror(-3);
printf("errno=%d, msg=%s\n", errno, msg);
return 0;
}
The strerror function in glibc is the following:
char *
strerror (int errnum)
{
char *ret = __strerror_r (errnum, NULL, 0);
int saved_errno;
if (__glibc_likely (ret != NULL))
return ret;
saved_errno = errno;
if (buf == NULL)
buf = malloc (1024);
__set_errno (saved_errno);
if (buf == NULL)
return _("Unknown error");
return __strerror_r (errnum, buf, 1024);
}
For unrelated/unknown reason, malloc (1024) succeed under qemu-arm but sets
errno to ENOMEM. When this code is built with -fno-math-errno, the code
corresponding to save_errno = errno and __set_errno (saved_errno) is
optimized-out, so strerror ends up setting errno to ENOMEM.
I have checked the generated code to confirm that saving and restoring errno is
optimized-out with the -fno-math-errno option, but not without -f-math-errno.
This can also be checked on the code generated by x86_64 GCC (version 5 to 8
and snapshot from 2018-12-17), although I haven't found a way to exercise this
code path.
qsort() also saves and restores errno around a malloc call and might be
affected.
I think we should only build libm with -fno-math-errno and build all other
parts with -fmath-errno. This should be safe as libm doesn't contain any code
saving and restoring errno.
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Subject: [Bug string/24024] strerror() might set errno to ENOMEM due to -fno-math-error
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--- Comment #1 from Aurelien Jarno <aurelien at aurel32 dot net> ---
Created attachment 11485
--> https://sourceware.org/bugzilla/attachment.cgi?id=11485&action=edit
testcase
I finally found a way to reproduce the issue without involving QEMU, using
LD_PRELOAD to preload a version of malloc that sets errno. Then this bug can be
reproduced easily:
$ make
gcc -Wall -fPIC -shared -o libpreload.so preload.c -ldl
gcc -Wall -o bz24024 bz24024.c
$ ./bz24024
errno=0, msg=Unknown error -3
$ LD_PRELOAD=./libpreload.so ./bz24024
errno=12, msg=Unknown error -3
As you can see the errno set in malloc is leaked in strerror.
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Subject: [Bug string/24024] strerror() might set errno to ENOMEM due to -fno-math-error
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Zack Weinberg <zackw at panix dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |zackw at panix dot com
--- Comment #2 from Zack Weinberg <zackw at panix dot com> ---
This seems like it might be a bug in GCC.
__set_errno expands to a normal assignment to errno, and within glibc errno is
treated as a normal __thread variable (not (*(__errno_location())), so it looks
to me like GCC must be assuming that malloc cannot set errno, which does not
seem like an appropriate consequence of -fno-math-errno.
Have you brought this up on the GCC mailing lists and/or bug tracker?
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Subject: [Bug string/24024] strerror() might set errno to ENOMEM due to -fno-math-error
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--- Comment #3 from Aurelien Jarno <aurelien at aurel32 dot net> ---
> Have you brought this up on the GCC mailing lists and/or bug tracker?
Yes, I have reported it to GCC a bit after this reporting it here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88576
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Subject: [Bug malloc/21556] malloc_stats printing size_t fields as unsigned int
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mail at nh2 dot me changed:
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----------------------------------------------------------------------------
CC| |mail at nh2 dot me
--- Comment #1 from mail at nh2 dot me ---
> #define MALLINFO_FIELD_TYPE size_t
> The mallinfo struct has all its variable as size_t type
I am confused by this statement:
While malloc_stats() is certainly bugged by integer overflow (and that is in
particular despite `man 3 mallinfo` recommending it as non-overflowing
alternative), there doesn't seem to be a `MALLINFO_FIELD_TYPE` in glibc's
source code or git history, and the mallinfo struct has `int` inside.
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>From glibc-bugs-return-44255-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 19:49:10 2018
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From: "mail at nh2 dot me" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/21556] malloc_stats printing size_t fields as unsigned int
Date: Sat, 22 Dec 2018 19:49:00 -0000
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--- Comment #2 from mail at nh2 dot me ---
Created attachment 11486
--> https://sourceware.org/bugzilla/attachment.cgi?id=11486&action=edit
Patch making malloc_stats() output not overflow
I also encountered this issue of malloc_stats() reporting completely wrong
numbers for my system.
I have attached a patch that fixes the problem.
It does not modify the public interface of `mallinfo()`.
Instead, it adds a new `mallinfo64()` function and struct that does not use
`int` internally, and makes `malloc_stats()` use that.
I have added the `struct mallinfo64` to malloc.h in the hope that
`mallinfo64()` will be exported in the future as well.
If this is not desired, let me know, and I'll move it somewhere more private.
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>From glibc-bugs-return-44256-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 19:52:02 2018
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From: "mail at nh2 dot me" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/24026] New: malloc_info() returns wrong numbers
Date: Sat, 22 Dec 2018 19:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24026
Bug ID: 24026
Summary: malloc_info() returns wrong numbers
Product: glibc
Version: 2.23
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Assignee: unassigned at sourceware dot org
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Created attachment 11487
--> https://sourceware.org/bugzilla/attachment.cgi?id=11487&action=edit
Patch fixing missing accounting of top chunk
glibc's malloc_info() function returns wrong numbers in most of the cases.
In particular, the `rest` field is 0 most of the time, and inconsistent with
malloc_stats().
I believe this bug was introduced in commit
commit bb066545063246d6df186f5a5a61303c58c6547d
Author: Ulrich Drepper <drepper@redhat.com>
Date: Thu Apr 9 05:45:42 2009 +0000
* malloc/malloc.c (malloc_info): New function.
when the implementation of malloc_info() was copy-pasted from mallinfo(), and
that the two mallinfo() lines
+ avail = chunksize (ar_ptr->top);
+ nblocks = 1; /* top always exists */
were forgotten to be copy-pasted.
I have attached a patch that fixes the issue.
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>From glibc-bugs-return-44257-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 19:56:32 2018
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From: "rei4dan at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23774] lv_LV collates Y/y incorrectly
Date: Sat, 22 Dec 2018 19:56:00 -0000
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Reinis Danne <rei4dan at gmail dot com> changed:
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--- Comment #3 from Reinis Danne <rei4dan at gmail dot com> ---
sed-4.6 and grep-3.3 seem to have resolved this particular issue by
implementing rational range interpretation, but [a-ž] and [A-Ž] are buggy.
The former de-interleaves the capital letters for unaccented characters, but
accented capitals are left among the small letters.
Does glibc (2.28) offer alternative collations (or does grep does it)?
As far as I could tell the collation sequence is as specified in the locale:
Using LC_COLLATE=lv_LV.UTF-8
char strxfrm
i c2b7010201020101e29b96
I c2b7010201070101e2afb7
Ä« c2b70102140102020101e29bb7
Ī c2b70102140107020101e2b096
y c2b701030102
Y c2b701030107
j c382010201020101e29c96
J c382010201070101e2b0a4
Using LC_COLLATE=C.UTF-8
char strxfrm
i 6b
I 4b
Ä« c4ad
Ī c4ac
y 7b
Y 5b
j 6c
J 4c
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>From glibc-bugs-return-44258-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 19:58:21 2018
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From: "mail at nh2 dot me" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/21556] malloc_stats printing size_t fields as unsigned int
Date: Sat, 22 Dec 2018 19:58:00 -0000
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--- Comment #3 from mail at nh2 dot me ---
Also for those that come across this bug and think they can use malloc_info()
instead, a short summary:
All 3 of 3 malloc information functions in glibc are bugged:
* mallinfo() uses `int` in the API, so it overflows at 2 GB and that is
documented in the man page
* The man page recommends malloc_info() and malloc_stats() instead, but that
isn't helpful, because they both return wrong information
* malloc_info() does not overflow but I found that it forgets to account for
significant amounts of memory
* https://sourceware.org/bugzilla/show_bug.cgi?id=24026
* malloc_stats() has this integer overflow bug, so it overflows at 2 GB
* especially odd is that the mallinfo() man page recommends malloc_stats() as
a better alternative, even though it is *implemented* by calling mallinfo()!
In conclusion, it seems that nobody has used any of the malloc information
functions in anger for the last 10 years :/
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>From glibc-bugs-return-44260-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 20:03:56 2018
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Subject: [Bug malloc/24027] glibc: realloc() ncopies 32-bit integer overflow
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>From glibc-bugs-return-44259-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 20:03:50 2018
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From: "mail at nh2 dot me" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/24027] New: glibc: realloc() ncopies 32-bit integer overflow
Date: Sat, 22 Dec 2018 20:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24027
Bug ID: 24027
Summary: glibc: realloc() ncopies 32-bit integer overflow
Product: glibc
Version: 2.23
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: mail at nh2 dot me
Target Milestone: ---
I found an integer overflow bug in glibc (2002-current) realloc().
Quoting from the attachments (repro and patch):
The overflow happens when a malloc(>= 32 GiB) is increased via realloc()
(and M_MMAP_THRESHOLD is set very large or mmap() based allocation
is disabled entirely by setting M_MMAP_MAX=0).
Then only the first couple bytes of the buffer are copied,
potentially leaving the majority of the returned buffer with
unititialised memory instead of the original malloc()ed buffer's
contents.
This may turn into a security problem if you rely on realloc()
preserving the contents you wrote into the buffer after malloc().
Due to the conditions (large allocation and disabling of mmap()) I expect that
only few people are affected by this right now, but it can happen to those with
large boxes that use glibc's tuning facilities.
secalert@redhat.com (who responded promptly, nice) agrees that the likelihood
of this being exploited currently is low and has consequently lifted the
embargo.
I have attached
* a reproduction (realloc-ncopies-overflow.c)
* a patch (malloc-Fix-realloc-integer-overflow.patch)
which contain more details.
The overflow happens at
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=blob;f=malloc/malloc.c;h=e247c77b7d4de26e0f2fbec16e352889bac3781b;hb=3c03baca37fdcb52c3881e653ca392bba7a99c2b#l4582
which is
unsigned int ncopies = (size_t) copysize / 8;
To see the non-copying code path taken in the repro, you can insert a debug
print in this branch:
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=blob;f=malloc/malloc.c;h=e247c77b7d4de26e0f2fbec16e352889bac3781b;hb=3c03baca37fdcb52c3881e653ca392bba7a99c2b#l4589
This bug originates in tcmalloc2 from http://malloc.de, from which glibc's
current malloc implementation was taken, and tcmalloc2 also continues to have
this issue.
I expect that all malloc implementations in the wild that are based on
tcmalloc2 have this problem.
Have a nice day,
Niklas
PS:
Personally I'm a bit sad that ~20 years old code we all depend on has so
obvious bugs.
I found this issue after finding that all 3 glibc malloc memory use info
functions (malloc_stats(), mallinfo() and malloc_info()) are bugged and report
completely wrong numbers (bug 24026, bug 21556).
For malloc_stats() it was an integer overflow due to `unsigned int` being used
for counting bytes.
It is very well known among programmers for decades that `unsigned int` is not
the right type for buffer lengths.
At that point, I just searched for "unsigned int" in malloc.c to see if there
are any similar problems, and found this realloc() bug within a minute.
It seems nobody does in practice read the code of fundamental components
running on billions of devices.
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Subject: [Bug malloc/24027] glibc: realloc() ncopies 32-bit integer overflow
Date: Sat, 22 Dec 2018 20:05:00 -0000
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--- Comment #2 from mail at nh2 dot me ---
Created attachment 11489
--> https://sourceware.org/bugzilla/attachment.cgi?id=11489&action=edit
Patch fixing the issue
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>From glibc-bugs-return-44262-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 22 20:05:25 2018
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Subject: [Bug malloc/24027] glibc: realloc() ncopies 32-bit integer overflow
Date: Sat, 22 Dec 2018 20:05:00 -0000
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--- Comment #1 from mail at nh2 dot me ---
Created attachment 11488
--> https://sourceware.org/bugzilla/attachment.cgi?id=11488&action=edit
Repro for the overflow
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>From glibc-bugs-return-44264-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 23 12:03:34 2018
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From: "rjones at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/19920] RFE: test whether a block of memory is all 0
Date: Sun, 23 Dec 2018 12:03:00 -0000
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Richard Jones <rjones at redhat dot com> changed:
What |Removed |Added
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CC| |rjones at redhat dot com
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>From glibc-bugs-return-44265-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 23 20:21:21 2018
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From: "patrickdepinguin at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24014] no results from readdir on host-mapped filesystem in Qemu with old host kernel
Date: Sun, 23 Dec 2018 20:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24014
--- Comment #3 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
(In reply to Thomas De Schampheleire from comment #2)
> (In reply to Florian Weimer from comment #1)
> > What's the file system on the host that is exported using 9p? Is it ext4?
> >
> > Can you try this with XFS instead? Thanks.
>
> I think it is indeed ext4, but the machine is down now for end-of-year
> maintenance. I will be able to verify it next week.
> There is no existing XFS filesystem on the machine, but I will try creating
> an XFS filesystem in a regular file via loop mount. Would it be sufficient
> for your question?
I confirm that the underlying filesystem of the problematic 9p mount is ext4.
If I change the underlying filesystem to be xfs (via a loop mount on a file),
there is no problem using the test program.
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>From glibc-bugs-return-44266-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 24 11:20:55 2018
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From: "vasudevapavankumar at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24017] How to make glibc2.27 to work with Linux Kernel 2.6.32 on mips
Date: Mon, 24 Dec 2018 11:20:00 -0000
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--- Comment #3 from Vasudev Nori <vasudevapavankumar at gmail dot com> ---
Thank you for update. I will mail to given groups.
Regards,
Vasudev
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>From glibc-bugs-return-44267-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 25 16:32:12 2018
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From: "aurelien at aurel32 dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24034] New: tst-cancel21-static fails with SIGBUS on pre-ARMv7 when using GCC 8
Date: Tue, 25 Dec 2018 16:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24034
Bug ID: 24034
Summary: tst-cancel21-static fails with SIGBUS on pre-ARMv7
when using GCC 8
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: aurelien at aurel32 dot net
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Host: arm-unknown-linux-gnueabi
Target: arm-unknown-linux-gnueabi
Build: arm-unknown-linux-gnueabi
tst-cancel21-static fails with SIGBUS on pre-ARMv7 when using GCC 8. The kernel
traps in the kernel assisted atomics code:
[3447464.937977] Alignment trap: not handling instruction e1923f9f at
[<ffff0fc4>]
[3447464.945352] Unhandled fault: alignment exception (0x221) at 0x00000002
[3447464.952088] pgd = d7320ec0
[3447464.954994] [00000002] *pgd=1548a003, *pmd=61503003
I have tracked done the issue to a miscompilation of the kernel assisted atomic
code with GCC 8. A patch is available here:
https://sourceware.org/ml/libc-alpha/2018-12/msg00920.html
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>From glibc-bugs-return-44268-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 25 22:22:21 2018
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From: "jreiser at BitWagon dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/24036] New: _dl_debug_vdprintf bad format "0x%0*Zd" from dl_main
Date: Tue, 25 Dec 2018 22:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24036
Bug ID: 24036
Summary: _dl_debug_vdprintf bad format "0x%0*Zd" from dl_main
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: jreiser at BitWagon dot com
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dl_main calls _dl_printf with two formats "%0*Zd" which instead should be
"%0*Zx"; note 'x' replacing 'd' [twice]. The glibc source version is:
commit 57b3ff8e1a4ca8118c5d9a47584e6e0ce6f7002f (HEAD -> master, origin/master,
origin/HEAD)
Date: Fri Dec 21 19:02:23 2018 +0000
dl_main() in elf/rtld.c near line 1929:
_dl_printf ("%s found at 0x%0*Zd in object at 0x%0*Zd\n",
However _dl_debug_vdprintf in elf/dl-misc.c near line 167:
switch (*fmt)
{
/* Integer formatting. */
case 'u':
case 'x':
[[snip]]
has cases only for u,x,s,%; and none for 'd'. So for the shell invocation:
$ /lib64/ld-linux-x86-64.so.2 --list ./args __libc_start_main
then the complaint is:
Inconsistency detected by ld.so: dl-misc.c: 216: _dl_debug_vdprintf:
Assertion `! "invalid format specifier"' failed!
The source code for the testcase ./args is:
=====
#include <stdio.h>
int main(int argc, char *argv[])
{
printf("argc= %d\n", argc);
int j;
for (j=0; j < argc; ++j) {
printf("arg[%d]= %s\n", j, argv[j]);
}
return 0;
}
=====
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>From glibc-bugs-return-44269-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Dec 25 23:19:34 2018
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Subject: [Bug dynamic-link/24037] New: dl_main in --list mode quits at first undefined symbol
Date: Tue, 25 Dec 2018 23:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24037
Bug ID: 24037
Summary: dl_main in --list mode quits at first undefined symbol
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: jreiser at BitWagon dot com
Target Milestone: ---
In --list mode, then dl_main stops processing at the first undefined symbol,
which is unhelpful because it gives no information about the remaining symbols
on the command line.
The glibc source version is
commit 57b3ff8e1a4ca8118c5d9a47584e6e0ce6f7002f (HEAD -> master, origin/master,
origin/HEAD)
Date: Fri Dec 21 19:02:23 2018 +0000
After fixing
https://sourceware.org/bugzilla/show_bug.cgi?id=24036
_dl_debug_vdprintf bad format "0x%0*Zd" from dl_main
then asking about two symbols "abc" and "__libc_start_main" produces output
only for the first symbol "abc":
$ ld-linux-x86-64.so.2 --list /bin/date abc __libc_start_main
linux-vdso.so.1 (0x00007ffdbb5dc000)
libc.so.6 => /lib64/libc.so.6 (0x00007f295816d000)
/lib64/ld-linux-x86-64.so.2 => /tmp/ld-linux-x86-64.so.2
(0x00007f2958746000)
/bin/date: symbol lookup error: /bin/date: undefined symbol: abc
$ echo $?
127 ## error exit code for "abc" undefined
which gives no information about the following argument __libc_start_main.
Reversing the order of the two symbols:
$ ld-linux-x86-64.so.2 --list /bin/date __libc_start_main abc
linux-vdso.so.1 (0x00007ffde1ae4000)
libc.so.6 => /lib64/libc.so.6 (0x00007fcb91e0d000)
/lib64/ld-linux-x86-64.so.2 => /tmp/ld-linux-x86-64.so.2
(0x00007fcb923e6000)
__libc_start_main found at 0x0000000000023030 in object at 0x00007fcb91e0d000
/bin/date: symbol lookup error: /bin/date: undefined symbol: abc
shows correct processing of both symbols.
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>From glibc-bugs-return-44270-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 27 09:47:25 2018
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Subject: [Bug admin/24038] New: 2 uri identifiers used
Date: Thu, 27 Dec 2018 09:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24038
Bug ID: 24038
Summary: 2 uri identifiers used
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Created attachment 11494
--> https://sourceware.org/bugzilla/attachment.cgi?id=11494&action=edit
relevant links
There are 2 uri identifiers used on savannah and gnu fsd, gnu ftp gnu mail.
I made a list with GNU package identifiers and standard links you would expect
the same identifier used. This list could be reduced by one if only one of the
two glibc or libc would be used. Than it would also be more effective all would
be in one row.
In programming you use much standards and rules, why not treat this also as
such?
Therefore it is is a bug.
Also included two debian links (but you don't control, so its extra info).
Included attachment file contains relevant links.
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Subject: [Bug libc/24014] no results from readdir on host-mapped filesystem in Qemu with old host kernel
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |adhemerval.zanella at linaro dot o
| |rg
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--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Thomas De Schampheleire from comment #3)
> (In reply to Thomas De Schampheleire from comment #2)
> > (In reply to Florian Weimer from comment #1)
> > > What's the file system on the host that is exported using 9p? Is it ext4?
> > >
> > > Can you try this with XFS instead? Thanks.
> >
> > I think it is indeed ext4, but the machine is down now for end-of-year
> > maintenance. I will be able to verify it next week.
> > There is no existing XFS filesystem on the machine, but I will try creating
> > an XFS filesystem in a regular file via loop mount. Would it be sufficient
> > for your question?
>
> I confirm that the underlying filesystem of the problematic 9p mount is ext4.
> If I change the underlying filesystem to be xfs (via a loop mount on a
> file), there is no problem using the test program.
The seems to be exactly BZ#23960, I will mark is as duplicated.
*** This bug has been marked as a duplicate of bug 23960 ***
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
Date: Thu, 27 Dec 2018 12:01:00 -0000
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--- Comment #27 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
*** Bug 24014 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-44273-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 27 13:51:06 2018
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
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--- Comment #28 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
According to me, the impact 'qemu-user' would more accurately be 'qemu', as
this problem is also seen with qemu-system-i386 via bug 24014.
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>From glibc-bugs-return-44274-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 27 23:39:49 2018
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From: "wilson at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24040] New: riscv64: unterminated call chain in __thread_start
Date: Thu, 27 Dec 2018 23:39:00 -0000
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Bug ID: 24040
Summary: riscv64: unterminated call chain in __thread_start
Product: glibc
Version: 2.30
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: wilson at gcc dot gnu.org
CC: drepper.fsp at gmail dot com
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This looks like the same bug as 23125, except in __thread_start instead of
_start. Presumably the same fix for 23125 will work, except applied to the
file sysdeps/unix/sysv/linux/riscv/clone.S instead of sysdeps/riscv/start.S.
I found this while working on elfutils. With the patches I submitted today,
running the elfutils testsuite, I get
FAIL: run-backtrace-native-core.sh
==================================
/usr/bin/coredumpctl
0x200001d000 0x200001e000 linux-vdso.so.1
0x2000000000 0x200001c168 ld-linux-riscv64-lp64d.so.1
0x200004d000 0x2000175208 libc.so.6
0x2000031000 0x200004c470 libpthread.so.0
0x2aaaaaa000 0x2aaaaad0c0 backtrace-child
TID 1581:
# 0 0x2000040394 raise
# 1 0x2aaaaaabbe - 1 sigusr2
# 2 0x2aaaaaaca2 - 1 stdarg
# 3 0x2aaaaaacb0 - 1 backtracegen
# 4 0x2aaaaaacb8 - 1 start
# 5 0x2000037e9a - 1 start_thread
# 6 0x20000f472e - 1 __thread_start
# 7 0x20000f472e - 1 __thread_start
# 8 0x20000f472e - 1 __thread_start
# 9 0x20000f472e - 1 __thread_start
#10 0x20000f472e - 1 __thread_start
#11 0x20000f472e - 1 __thread_start
#12 0x20000f472e - 1 __thread_start
#13 0x20000f472e - 1 __thread_start
#14 0x20000f472e - 1 __thread_start
#15 0x20000f472e - 1 __thread_start
#16 0x20000f472e - 1 __thread_start
/home/jimw/FOSS/elfutils/X-hifiveu017/tests/backtrace: Too many frames: 17
Incidentally, the run-backtrace-native.sh test fails on a system without the
fix for 23125, failing the same way, except with a repeating _start at the end.
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>From glibc-bugs-return-44275-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Dec 27 23:40:16 2018
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Subject: [Bug libc/24040] riscv64: unterminated call chain in __thread_start
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Jim Wilson <wilson at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Host| |riscv64-*-*
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>From glibc-bugs-return-44276-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 28 04:48:55 2018
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Subject: [Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user
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Dmitry V. Levin <ldv at sourceware dot org> changed:
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CC| |ldv at sourceware dot org
--- Comment #29 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Florian Weimer from comment #12)
> The 32-bit getdents64 system call on an x86-64 kernel returns a truncated
> d_off value to userspace on ext4, while the 64-bit version of the system
> call uses more bits for d_off, on the same directory.
What if the 32-bit stat64 syscall truncated st_ino and st_size?
Sorry but this is clearly a bug in getdents64 syscall that should be fixed in
the kernel instead.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23724
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=989182c40a54c3022ff75c3c313479231dd36602
commit 989182c40a54c3022ff75c3c313479231dd36602
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 9 01:16:36 2018 +0200
Multiple locales: Use the correct 12-hour time formats (bug 10496).
It has been discovered that some locales use the 12-hour time formats but
do not use any AM/PM indicator thus making the time ambiguous. This
commit adds "%p" wherever it was missing. In some cases it has been
identified that a locale should use 24-hour time format rather than
12-hour. All time formats come from CLDR but this commit introduces as
few changes as possible (for example, it tries not to change the time zone
display). For the locales which are not supported by CLDR the consistency
with similar locales (which means the same language or the same country)
has been preserved: if the time formats were the same before the change
then they are still the same after the change.
The time format updates can be roughly summarized as follows:
* Most of the locales of Djibouti, Eritrea, and Ethiopia now use
"%l:%M:%S %p".
* Most of the locales of India and some surrounding countries (Bangladesh,
Nepal etc.) now use "%I:%M:%S %p %Z".
* Most of the Arabic locales now use "%Z %I:%M:%S %p".
* Ge'ez language (Eritrea and Ethiopia) now uses "%l:%M:%Sá¡%p" (note the
consistent use of Ethiopic wordspace character).
* Tamil (India) now uses "%p %I:%M:%S %Z".
* Chinese (Hong Kong) t_fmt now uses "%p %I<U6642>%M<U5206>%S<U79D2> %Z".
* Additionally, the following locales have been switched from 12-hour time
formats to 24-hour, according to CLDR: Arabic (Morocco), Maltese, Somali
(Kenya), and Tamil (Sri Lanka).
* Finally, the Bulgarian, Czech, and Slovak locales used 24-hour time
format correctly but their t_fmt_ampm field was not empty containing
12-hour time format which was incorrect so it is now replaced with an
empty string.
[BZ #10496]
* localedata/locales/aa_DJ (t_fmt): Set to "%l:%M:%S %p".
(t_fmt_ampm): Likewise.
* localedata/locales/aa_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/aa_ER@saaho (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/aa_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/am_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/byn_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/om_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/sid_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/so_DJ (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/so_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/so_SO (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/ti_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/ti_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/tig_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/wal_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/anp_IN (t_fmt): Set to "%I:%M:%S %p %Z".
* localedata/locales/ar_IN (t_fmt): Likewise.
* localedata/locales/bhb_IN (t_fmt): Likewise.
* localedata/locales/bho_IN (t_fmt): Likewise.
* localedata/locales/bi_VU (t_fmt): Likewise.
* localedata/locales/bn_BD (t_fmt): Likewise.
* localedata/locales/bn_IN (t_fmt): Likewise.
* localedata/locales/brx_IN (t_fmt): Likewise.
* localedata/locales/doi_IN (t_fmt): Likewise.
* localedata/locales/en_HK (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/en_IN (t_fmt): Likewise.
* localedata/locales/en_PH (t_fmt): Likewise.
* localedata/locales/gu_IN (t_fmt): Likewise.
* localedata/locales/hi_IN (t_fmt): Likewise.
* localedata/locales/hif_FJ (t_fmt): Likewise.
* localedata/locales/hne_IN (t_fmt): Likewise.
* localedata/locales/kn_IN (t_fmt): Likewise.
* localedata/locales/kok_IN (t_fmt): Likewise.
* localedata/locales/ks_IN (t_fmt): Likewise.
* localedata/locales/ks_IN@devanagari (t_fmt): Likewise.
* localedata/locales/mag_IN (t_fmt): Likewise.
* localedata/locales/mai_IN (t_fmt): Likewise.
* localedata/locales/mjw_IN (t_fmt): Likewise.
* localedata/locales/ml_IN (t_fmt): Likewise.
* localedata/locales/mni_IN (t_fmt): Likewise.
* localedata/locales/mr_IN (t_fmt): Likewise.
* localedata/locales/ms_MY (t_fmt): Likewise.
* localedata/locales/pa_IN (t_fmt): Likewise.
* localedata/locales/raj_IN (t_fmt): Likewise.
* localedata/locales/sa_IN (t_fmt): Likewise.
* localedata/locales/sat_IN (t_fmt): Likewise.
* localedata/locales/sd_IN (t_fmt): Likewise.
* localedata/locales/sd_IN@devanagari (t_fmt): Likewise.
* localedata/locales/tcy_IN (t_fmt): Likewise.
* localedata/locales/the_NP (t_fmt): Likewise.
* localedata/locales/to_TO (t_fmt): Likewise.
* localedata/locales/ur_IN (t_fmt): Likewise.
* localedata/locales/hif_FJ (d_t_fmt): Set to
"%A %d %b %Y %I:%M:%S %p".
(date_fmt): Add, set to "%A %d %b %Y %I:%M:%S %p %Z".
* localedata/locales/ar_AE (t_fmt): Set to "%Z %I:%M:%S %p".
* localedata/locales/ar_BH (t_fmt): Likewise.
* localedata/locales/ar_DZ (t_fmt): Likewise.
* localedata/locales/ar_EG (t_fmt): Likewise.
* localedata/locales/ar_IQ (t_fmt): Likewise.
* localedata/locales/ar_JO (t_fmt): Likewise.
* localedata/locales/ar_KW (t_fmt): Likewise.
* localedata/locales/ar_LB (t_fmt): Likewise.
* localedata/locales/ar_LY (t_fmt): Likewise.
* localedata/locales/ar_OM (t_fmt): Likewise.
* localedata/locales/ar_QA (t_fmt): Likewise.
* localedata/locales/ar_SD (t_fmt): Likewise.
* localedata/locales/ar_SS (t_fmt): Likewise.
* localedata/locales/ar_SY (t_fmt): Likewise.
* localedata/locales/ar_TN (t_fmt): Likewise.
* localedata/locales/ar_YE (t_fmt): Likewise.
* localedata/locales/gez_ER (t_fmt): Set to "%l:%M:%S<U1361>%p".
(t_fmt_ampm): Likewise.
* localedata/locales/gez_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/ta_IN (t_fmt): Set to "%p %I:%M:%S %Z".
(t_fmt_ampm): Likewise.
(d_t_fmt): Set to "%A %d %B %Y %p %I:%M:%S %Z".
* localedata/locales/zh_HK (t_fmt):
Set to "%p %I<U6642>%M<U5206>%S<U79D2> %Z".
* localedata/locales/ar_MA (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%Z %H:%M:%S".
(d_t_fmt): Set to "%d %b, %Y %Z %H:%M:%S".
* localedata/locales/mt_MT (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%H:%M:%S %Z".
(d_t_fmt): Set to "%A, %d ta %b, %Y %H:%M:%S %Z".
* localedata/locales/so_KE (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%T".
(d_t_fmt): Set to "%A, %B %e, %Y %X %Z".
(date_fmt): Set to "%A, %B %e, %X %Z %Y".
* localedata/locales/ta_LK (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%H:%M:%S %Z".
(d_t_fmt): Set to "%A %d %B %Y %H:%M:%S %Z".
* localedata/locales/bg_BG (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
* localedata/locales/cs_CZ (t_fmt_ampm): Likewise.
* localedata/locales/sk_SK (t_fmt_ampm): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27841a7d5abe36c48b41b33d39ca8e5e14b9d36f
commit 27841a7d5abe36c48b41b33d39ca8e5e14b9d36f
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 9 01:15:33 2018 +0200
sq_AL: Use the correct date and time formats (bug 10496, 23724).
Albanian locale uses the 12-hour clock but some time formats did not
use any AM/PM indicator making the time ambiguous. This commit adds
"%p" wherever it was missing.
It also sets the correct date format because the old "%Y-%b-%d" produced
rather weird results like "2018-Sht-28".
All time formats come from CLDR but as few changes have been introduced
by this commit as possible. Some articles from MSDN and other available
online sources have been also taken into account.
[BZ #10496]
[BZ #23724]
* localedata/locales/sq_AL (t_fmt): Set to "%I:%M:%S.%p %Z".
(t_fmt_ampm): Likewise.
(d_t_fmt): Set to "%a %-d %b %Y %I:%M:%S.%p".
(date_fmt): Add, set to "%a %-d %b %Y %I:%M:%S.%p %Z".
(d_fmt): Set to "%-d.%-m.%y".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 142 +++++++++++++++++++++++++++++++++++
localedata/locales/aa_DJ | 4 +-
localedata/locales/aa_ER | 4 +-
localedata/locales/aa_ER@saaho | 4 +-
localedata/locales/aa_ET | 4 +-
localedata/locales/am_ET | 4 +-
localedata/locales/anp_IN | 2 +-
localedata/locales/ar_AE | 2 +-
localedata/locales/ar_BH | 2 +-
localedata/locales/ar_DZ | 2 +-
localedata/locales/ar_EG | 2 +-
localedata/locales/ar_IN | 2 +-
localedata/locales/ar_IQ | 2 +-
localedata/locales/ar_JO | 2 +-
localedata/locales/ar_KW | 2 +-
localedata/locales/ar_LB | 2 +-
localedata/locales/ar_LY | 2 +-
localedata/locales/ar_MA | 6 +-
localedata/locales/ar_OM | 2 +-
localedata/locales/ar_QA | 2 +-
localedata/locales/ar_SD | 2 +-
localedata/locales/ar_SS | 2 +-
localedata/locales/ar_SY | 2 +-
localedata/locales/ar_TN | 2 +-
localedata/locales/ar_YE | 2 +-
localedata/locales/bg_BG | 2 +-
localedata/locales/bhb_IN | 2 +-
localedata/locales/bho_IN | 2 +-
localedata/locales/bi_VU | 2 +-
localedata/locales/bn_BD | 2 +-
localedata/locales/bn_IN | 2 +-
localedata/locales/brx_IN | 2 +-
localedata/locales/byn_ER | 4 +-
localedata/locales/cs_CZ | 2 +-
localedata/locales/doi_IN | 2 +-
localedata/locales/en_HK | 4 +-
localedata/locales/en_IN | 2 +-
localedata/locales/en_PH | 2 +-
localedata/locales/gez_ER | 4 +-
localedata/locales/gez_ET | 4 +-
localedata/locales/gu_IN | 2 +-
localedata/locales/hi_IN | 2 +-
localedata/locales/hif_FJ | 7 +-
localedata/locales/hne_IN | 2 +-
localedata/locales/kn_IN | 2 +-
localedata/locales/kok_IN | 2 +-
localedata/locales/ks_IN | 2 +-
localedata/locales/ks_IN@devanagari | 2 +-
localedata/locales/mag_IN | 2 +-
localedata/locales/mai_IN | 2 +-
localedata/locales/mjw_IN | 2 +-
localedata/locales/ml_IN | 2 +-
localedata/locales/mni_IN | 2 +-
localedata/locales/mr_IN | 2 +-
localedata/locales/ms_MY | 2 +-
localedata/locales/mt_MT | 6 +-
localedata/locales/om_ET | 4 +-
localedata/locales/pa_IN | 2 +-
localedata/locales/raj_IN | 2 +-
localedata/locales/sa_IN | 2 +-
localedata/locales/sat_IN | 2 +-
localedata/locales/sd_IN | 2 +-
localedata/locales/sd_IN@devanagari | 2 +-
localedata/locales/sid_ET | 4 +-
localedata/locales/sk_SK | 2 +-
localedata/locales/so_DJ | 4 +-
localedata/locales/so_ET | 4 +-
localedata/locales/so_KE | 8 +-
localedata/locales/so_SO | 4 +-
localedata/locales/sq_AL | 11 ++-
localedata/locales/ta_IN | 6 +-
localedata/locales/ta_LK | 6 +-
localedata/locales/tcy_IN | 2 +-
localedata/locales/the_NP | 2 +-
localedata/locales/ti_ER | 4 +-
localedata/locales/ti_ET | 4 +-
localedata/locales/tig_ER | 4 +-
localedata/locales/to_TO | 4 +-
localedata/locales/ur_IN | 2 +-
localedata/locales/wal_ET | 4 +-
localedata/locales/zh_HK | 4 +-
81 files changed, 262 insertions(+), 116 deletions(-)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10496] 12h time representation in multiple locales faulty
Date: Fri, 28 Dec 2018 21:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=10496
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 989182c40a54c3022ff75c3c313479231dd36602 (commit)
via 27841a7d5abe36c48b41b33d39ca8e5e14b9d36f (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=989182c40a54c3022ff75c3c313479231dd36602
commit 989182c40a54c3022ff75c3c313479231dd36602
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 9 01:16:36 2018 +0200
Multiple locales: Use the correct 12-hour time formats (bug 10496).
It has been discovered that some locales use the 12-hour time formats but
do not use any AM/PM indicator thus making the time ambiguous. This
commit adds "%p" wherever it was missing. In some cases it has been
identified that a locale should use 24-hour time format rather than
12-hour. All time formats come from CLDR but this commit introduces as
few changes as possible (for example, it tries not to change the time zone
display). For the locales which are not supported by CLDR the consistency
with similar locales (which means the same language or the same country)
has been preserved: if the time formats were the same before the change
then they are still the same after the change.
The time format updates can be roughly summarized as follows:
* Most of the locales of Djibouti, Eritrea, and Ethiopia now use
"%l:%M:%S %p".
* Most of the locales of India and some surrounding countries (Bangladesh,
Nepal etc.) now use "%I:%M:%S %p %Z".
* Most of the Arabic locales now use "%Z %I:%M:%S %p".
* Ge'ez language (Eritrea and Ethiopia) now uses "%l:%M:%Sá¡%p" (note the
consistent use of Ethiopic wordspace character).
* Tamil (India) now uses "%p %I:%M:%S %Z".
* Chinese (Hong Kong) t_fmt now uses "%p %I<U6642>%M<U5206>%S<U79D2> %Z".
* Additionally, the following locales have been switched from 12-hour time
formats to 24-hour, according to CLDR: Arabic (Morocco), Maltese, Somali
(Kenya), and Tamil (Sri Lanka).
* Finally, the Bulgarian, Czech, and Slovak locales used 24-hour time
format correctly but their t_fmt_ampm field was not empty containing
12-hour time format which was incorrect so it is now replaced with an
empty string.
[BZ #10496]
* localedata/locales/aa_DJ (t_fmt): Set to "%l:%M:%S %p".
(t_fmt_ampm): Likewise.
* localedata/locales/aa_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/aa_ER@saaho (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/aa_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/am_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/byn_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/om_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/sid_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/so_DJ (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/so_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/so_SO (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/ti_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/ti_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/tig_ER (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/wal_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/anp_IN (t_fmt): Set to "%I:%M:%S %p %Z".
* localedata/locales/ar_IN (t_fmt): Likewise.
* localedata/locales/bhb_IN (t_fmt): Likewise.
* localedata/locales/bho_IN (t_fmt): Likewise.
* localedata/locales/bi_VU (t_fmt): Likewise.
* localedata/locales/bn_BD (t_fmt): Likewise.
* localedata/locales/bn_IN (t_fmt): Likewise.
* localedata/locales/brx_IN (t_fmt): Likewise.
* localedata/locales/doi_IN (t_fmt): Likewise.
* localedata/locales/en_HK (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/en_IN (t_fmt): Likewise.
* localedata/locales/en_PH (t_fmt): Likewise.
* localedata/locales/gu_IN (t_fmt): Likewise.
* localedata/locales/hi_IN (t_fmt): Likewise.
* localedata/locales/hif_FJ (t_fmt): Likewise.
* localedata/locales/hne_IN (t_fmt): Likewise.
* localedata/locales/kn_IN (t_fmt): Likewise.
* localedata/locales/kok_IN (t_fmt): Likewise.
* localedata/locales/ks_IN (t_fmt): Likewise.
* localedata/locales/ks_IN@devanagari (t_fmt): Likewise.
* localedata/locales/mag_IN (t_fmt): Likewise.
* localedata/locales/mai_IN (t_fmt): Likewise.
* localedata/locales/mjw_IN (t_fmt): Likewise.
* localedata/locales/ml_IN (t_fmt): Likewise.
* localedata/locales/mni_IN (t_fmt): Likewise.
* localedata/locales/mr_IN (t_fmt): Likewise.
* localedata/locales/ms_MY (t_fmt): Likewise.
* localedata/locales/pa_IN (t_fmt): Likewise.
* localedata/locales/raj_IN (t_fmt): Likewise.
* localedata/locales/sa_IN (t_fmt): Likewise.
* localedata/locales/sat_IN (t_fmt): Likewise.
* localedata/locales/sd_IN (t_fmt): Likewise.
* localedata/locales/sd_IN@devanagari (t_fmt): Likewise.
* localedata/locales/tcy_IN (t_fmt): Likewise.
* localedata/locales/the_NP (t_fmt): Likewise.
* localedata/locales/to_TO (t_fmt): Likewise.
* localedata/locales/ur_IN (t_fmt): Likewise.
* localedata/locales/hif_FJ (d_t_fmt): Set to
"%A %d %b %Y %I:%M:%S %p".
(date_fmt): Add, set to "%A %d %b %Y %I:%M:%S %p %Z".
* localedata/locales/ar_AE (t_fmt): Set to "%Z %I:%M:%S %p".
* localedata/locales/ar_BH (t_fmt): Likewise.
* localedata/locales/ar_DZ (t_fmt): Likewise.
* localedata/locales/ar_EG (t_fmt): Likewise.
* localedata/locales/ar_IQ (t_fmt): Likewise.
* localedata/locales/ar_JO (t_fmt): Likewise.
* localedata/locales/ar_KW (t_fmt): Likewise.
* localedata/locales/ar_LB (t_fmt): Likewise.
* localedata/locales/ar_LY (t_fmt): Likewise.
* localedata/locales/ar_OM (t_fmt): Likewise.
* localedata/locales/ar_QA (t_fmt): Likewise.
* localedata/locales/ar_SD (t_fmt): Likewise.
* localedata/locales/ar_SS (t_fmt): Likewise.
* localedata/locales/ar_SY (t_fmt): Likewise.
* localedata/locales/ar_TN (t_fmt): Likewise.
* localedata/locales/ar_YE (t_fmt): Likewise.
* localedata/locales/gez_ER (t_fmt): Set to "%l:%M:%S<U1361>%p".
(t_fmt_ampm): Likewise.
* localedata/locales/gez_ET (t_fmt): Likewise.
(t_fmt_ampm): Likewise.
* localedata/locales/ta_IN (t_fmt): Set to "%p %I:%M:%S %Z".
(t_fmt_ampm): Likewise.
(d_t_fmt): Set to "%A %d %B %Y %p %I:%M:%S %Z".
* localedata/locales/zh_HK (t_fmt):
Set to "%p %I<U6642>%M<U5206>%S<U79D2> %Z".
* localedata/locales/ar_MA (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%Z %H:%M:%S".
(d_t_fmt): Set to "%d %b, %Y %Z %H:%M:%S".
* localedata/locales/mt_MT (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%H:%M:%S %Z".
(d_t_fmt): Set to "%A, %d ta %b, %Y %H:%M:%S %Z".
* localedata/locales/so_KE (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%T".
(d_t_fmt): Set to "%A, %B %e, %Y %X %Z".
(date_fmt): Set to "%A, %B %e, %X %Z %Y".
* localedata/locales/ta_LK (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
(t_fmt): Set to "%H:%M:%S %Z".
(d_t_fmt): Set to "%A %d %B %Y %H:%M:%S %Z".
* localedata/locales/bg_BG (t_fmt_ampm): Set to "" (empty string)
because this locale does not use the 12-hour clock.
* localedata/locales/cs_CZ (t_fmt_ampm): Likewise.
* localedata/locales/sk_SK (t_fmt_ampm): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=27841a7d5abe36c48b41b33d39ca8e5e14b9d36f
commit 27841a7d5abe36c48b41b33d39ca8e5e14b9d36f
Author: Rafal Luzynski <digitalfreak@lingonborough.com>
Date: Tue Oct 9 01:15:33 2018 +0200
sq_AL: Use the correct date and time formats (bug 10496, 23724).
Albanian locale uses the 12-hour clock but some time formats did not
use any AM/PM indicator making the time ambiguous. This commit adds
"%p" wherever it was missing.
It also sets the correct date format because the old "%Y-%b-%d" produced
rather weird results like "2018-Sht-28".
All time formats come from CLDR but as few changes have been introduced
by this commit as possible. Some articles from MSDN and other available
online sources have been also taken into account.
[BZ #10496]
[BZ #23724]
* localedata/locales/sq_AL (t_fmt): Set to "%I:%M:%S.%p %Z".
(t_fmt_ampm): Likewise.
(d_t_fmt): Set to "%a %-d %b %Y %I:%M:%S.%p".
(date_fmt): Add, set to "%a %-d %b %Y %I:%M:%S.%p %Z".
(d_fmt): Set to "%-d.%-m.%y".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 142 +++++++++++++++++++++++++++++++++++
localedata/locales/aa_DJ | 4 +-
localedata/locales/aa_ER | 4 +-
localedata/locales/aa_ER@saaho | 4 +-
localedata/locales/aa_ET | 4 +-
localedata/locales/am_ET | 4 +-
localedata/locales/anp_IN | 2 +-
localedata/locales/ar_AE | 2 +-
localedata/locales/ar_BH | 2 +-
localedata/locales/ar_DZ | 2 +-
localedata/locales/ar_EG | 2 +-
localedata/locales/ar_IN | 2 +-
localedata/locales/ar_IQ | 2 +-
localedata/locales/ar_JO | 2 +-
localedata/locales/ar_KW | 2 +-
localedata/locales/ar_LB | 2 +-
localedata/locales/ar_LY | 2 +-
localedata/locales/ar_MA | 6 +-
localedata/locales/ar_OM | 2 +-
localedata/locales/ar_QA | 2 +-
localedata/locales/ar_SD | 2 +-
localedata/locales/ar_SS | 2 +-
localedata/locales/ar_SY | 2 +-
localedata/locales/ar_TN | 2 +-
localedata/locales/ar_YE | 2 +-
localedata/locales/bg_BG | 2 +-
localedata/locales/bhb_IN | 2 +-
localedata/locales/bho_IN | 2 +-
localedata/locales/bi_VU | 2 +-
localedata/locales/bn_BD | 2 +-
localedata/locales/bn_IN | 2 +-
localedata/locales/brx_IN | 2 +-
localedata/locales/byn_ER | 4 +-
localedata/locales/cs_CZ | 2 +-
localedata/locales/doi_IN | 2 +-
localedata/locales/en_HK | 4 +-
localedata/locales/en_IN | 2 +-
localedata/locales/en_PH | 2 +-
localedata/locales/gez_ER | 4 +-
localedata/locales/gez_ET | 4 +-
localedata/locales/gu_IN | 2 +-
localedata/locales/hi_IN | 2 +-
localedata/locales/hif_FJ | 7 +-
localedata/locales/hne_IN | 2 +-
localedata/locales/kn_IN | 2 +-
localedata/locales/kok_IN | 2 +-
localedata/locales/ks_IN | 2 +-
localedata/locales/ks_IN@devanagari | 2 +-
localedata/locales/mag_IN | 2 +-
localedata/locales/mai_IN | 2 +-
localedata/locales/mjw_IN | 2 +-
localedata/locales/ml_IN | 2 +-
localedata/locales/mni_IN | 2 +-
localedata/locales/mr_IN | 2 +-
localedata/locales/ms_MY | 2 +-
localedata/locales/mt_MT | 6 +-
localedata/locales/om_ET | 4 +-
localedata/locales/pa_IN | 2 +-
localedata/locales/raj_IN | 2 +-
localedata/locales/sa_IN | 2 +-
localedata/locales/sat_IN | 2 +-
localedata/locales/sd_IN | 2 +-
localedata/locales/sd_IN@devanagari | 2 +-
localedata/locales/sid_ET | 4 +-
localedata/locales/sk_SK | 2 +-
localedata/locales/so_DJ | 4 +-
localedata/locales/so_ET | 4 +-
localedata/locales/so_KE | 8 +-
localedata/locales/so_SO | 4 +-
localedata/locales/sq_AL | 11 ++-
localedata/locales/ta_IN | 6 +-
localedata/locales/ta_LK | 6 +-
localedata/locales/tcy_IN | 2 +-
localedata/locales/the_NP | 2 +-
localedata/locales/ti_ER | 4 +-
localedata/locales/ti_ET | 4 +-
localedata/locales/tig_ER | 4 +-
localedata/locales/to_TO | 4 +-
localedata/locales/ur_IN | 2 +-
localedata/locales/wal_ET | 4 +-
localedata/locales/zh_HK | 4 +-
81 files changed, 262 insertions(+), 116 deletions(-)
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Subject: [Bug localedata/10496] 12h time representation in multiple locales faulty
Date: Fri, 28 Dec 2018 21:22:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #5 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed by the commits:
*
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=27841a7d5abe36c48b41b33d39ca8e5e14b9d36f
(Albanian);
*
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=989182c40a54c3022ff75c3c313479231dd36602
(all other locales).
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23724] Albanian date formats are incorrect
Date: Fri, 28 Dec 2018 21:23:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.29
--- Comment #4 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Fixed by the commit
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=27841a7d5abe36c48b41b33d39ca8e5e14b9d36f
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Subject: [Bug nptl/22637] guard size is subtracted from thread stack size instead of adding it on top
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.24/master has been updated
via e853f05a5757dfee0c8b7f301e6a52047cc9864a (commit)
via d8d97c0539c4258ecf8d46a184e853acad577199 (commit)
via 9ae4fa0c5b5087f3a1391753d54d7f3086224f77 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e853f05a5757dfee0c8b7f301e6a52047cc9864a
commit e853f05a5757dfee0c8b7f301e6a52047cc9864a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jan 11 13:13:28 2018 +0100
csu: Update __libgcc_s_init comment
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 08c6e95234c60a5c2f37532d1111acf084f39345)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8d97c0539c4258ecf8d46a184e853acad577199
commit d8d97c0539c4258ecf8d46a184e853acad577199
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jan 16 07:19:28 2018 +0100
nptl/tst-minstack-throw: Compile in C++11 mode with GNU extensions
(cherry picked from commit b725132d2b0aeddf970b1ce3e5a24f8637a7b4c2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9ae4fa0c5b5087f3a1391753d54d7f3086224f77
commit 9ae4fa0c5b5087f3a1391753d54d7f3086224f77
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jan 11 13:13:14 2018 +0100
nptl: Add tst-minstack-cancel, tst-minstack-exit [BZ #22636]
I verified that without the guard accounting change in commit
630f4cc3aa019ede55976ea561f1a7af2f068639 (Fix stack guard size
accounting) and RTLD_NOW for libgcc_s introduced by commit
f993b8754080ac7572b692870e926d8b493db16c (nptl: Open libgcc.so with
RTLD_NOW during pthread_cancel), the tst-minstack-cancel test fails on
an AVX-512F machine. tst-minstack-exit still passes, and either of
the mentioned commit by itself frees sufficient stack space to make
tst-minstack-cancel pass, too.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit d8b778907e5270fdeb70459842ffbc20bd2ca5e1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fff112f4c4442af52bec90353e80bc4e801ab79b
commit fff112f4c4442af52bec90353e80bc4e801ab79b
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jan 15 16:05:36 2018 +0100
nptl: Open libgcc.so with RTLD_NOW during pthread_cancel [BZ #22636]
Disabling lazy binding reduces stack usage during unwinding.
Note that RTLD_NOW only makes a difference if libgcc.so has not
already been loaded, so this is only a partial fix.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit f993b8754080ac7572b692870e926d8b493db16c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=23758d3539232de8368ea601f2df1c2a9da145e8
commit 23758d3539232de8368ea601f2df1c2a9da145e8
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Mon Jan 15 16:06:31 2018 +0100
[BZ #22637] Fix stack guard size accounting
Previously if user requested S stack and G guard when creating a
thread, the total mapping was S and the actual available stack was
S - G - static_tls, which is not what the user requested.
This patch fixes the guard size accounting by pretending the user
requested S+G stack. This way all later logic works out except
when reporting the user requested stack size (pthread_getattr_np)
or when computing the minimal stack size (__pthread_get_minstack).
Normally this will increase thread stack allocations by one page.
TLS accounting is not affected, that will require a separate fix.
[BZ #22637]
* nptl/descr.h (stackblock, stackblock_size): Update comments.
* nptl/allocatestack.c (allocate_stack): Add guardsize to stacksize.
* nptl/nptl-init.c (__pthread_get_minstack): Remove guardsize from
stacksize.
* nptl/pthread_getattr_np.c (pthread_getattr_np): Likewise.
(cherry picked from commit 630f4cc3aa019ede55976ea561f1a7af2f068639)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++++++++++++
NEWS | 2 +
nptl/Makefile | 4 ++-
nptl/allocatestack.c | 4 ++
nptl/descr.h | 4 +-
nptl/nptl-init.c | 5 +--
nptl/pthread_getattr_np.c | 7 +++-
nptl/{tst-detach1.c => tst-minstack-cancel.c} | 45 ++++++++++--------------
nptl/{tst-detach1.c => tst-minstack-exit.c} | 43 +++++++++--------------
sysdeps/gnu/unwind-resume.c | 8 +++-
sysdeps/nptl/unwind-forcedunwind.c | 2 +-
11 files changed, 91 insertions(+), 64 deletions(-)
copy nptl/{tst-detach1.c => tst-minstack-cancel.c} (55%)
copy nptl/{tst-detach1.c => tst-minstack-exit.c} (55%)
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Subject: [Bug nptl/22636] PTHREAD_STACK_MIN is too small on x86-64
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https://sourceware.org/bugzilla/show_bug.cgi?id=22636
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.24/master has been updated
via e853f05a5757dfee0c8b7f301e6a52047cc9864a (commit)
via d8d97c0539c4258ecf8d46a184e853acad577199 (commit)
via 9ae4fa0c5b5087f3a1391753d54d7f3086224f77 (commit)
via fff112f4c4442af52bec90353e80bc4e801ab79b (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e853f05a5757dfee0c8b7f301e6a52047cc9864a
commit e853f05a5757dfee0c8b7f301e6a52047cc9864a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jan 11 13:13:28 2018 +0100
csu: Update __libgcc_s_init comment
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 08c6e95234c60a5c2f37532d1111acf084f39345)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8d97c0539c4258ecf8d46a184e853acad577199
commit d8d97c0539c4258ecf8d46a184e853acad577199
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Jan 16 07:19:28 2018 +0100
nptl/tst-minstack-throw: Compile in C++11 mode with GNU extensions
(cherry picked from commit b725132d2b0aeddf970b1ce3e5a24f8637a7b4c2)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9ae4fa0c5b5087f3a1391753d54d7f3086224f77
commit 9ae4fa0c5b5087f3a1391753d54d7f3086224f77
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jan 11 13:13:14 2018 +0100
nptl: Add tst-minstack-cancel, tst-minstack-exit [BZ #22636]
I verified that without the guard accounting change in commit
630f4cc3aa019ede55976ea561f1a7af2f068639 (Fix stack guard size
accounting) and RTLD_NOW for libgcc_s introduced by commit
f993b8754080ac7572b692870e926d8b493db16c (nptl: Open libgcc.so with
RTLD_NOW during pthread_cancel), the tst-minstack-cancel test fails on
an AVX-512F machine. tst-minstack-exit still passes, and either of
the mentioned commit by itself frees sufficient stack space to make
tst-minstack-cancel pass, too.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit d8b778907e5270fdeb70459842ffbc20bd2ca5e1)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fff112f4c4442af52bec90353e80bc4e801ab79b
commit fff112f4c4442af52bec90353e80bc4e801ab79b
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Jan 15 16:05:36 2018 +0100
nptl: Open libgcc.so with RTLD_NOW during pthread_cancel [BZ #22636]
Disabling lazy binding reduces stack usage during unwinding.
Note that RTLD_NOW only makes a difference if libgcc.so has not
already been loaded, so this is only a partial fix.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit f993b8754080ac7572b692870e926d8b493db16c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=23758d3539232de8368ea601f2df1c2a9da145e8
commit 23758d3539232de8368ea601f2df1c2a9da145e8
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Mon Jan 15 16:06:31 2018 +0100
[BZ #22637] Fix stack guard size accounting
Previously if user requested S stack and G guard when creating a
thread, the total mapping was S and the actual available stack was
S - G - static_tls, which is not what the user requested.
This patch fixes the guard size accounting by pretending the user
requested S+G stack. This way all later logic works out except
when reporting the user requested stack size (pthread_getattr_np)
or when computing the minimal stack size (__pthread_get_minstack).
Normally this will increase thread stack allocations by one page.
TLS accounting is not affected, that will require a separate fix.
[BZ #22637]
* nptl/descr.h (stackblock, stackblock_size): Update comments.
* nptl/allocatestack.c (allocate_stack): Add guardsize to stacksize.
* nptl/nptl-init.c (__pthread_get_minstack): Remove guardsize from
stacksize.
* nptl/pthread_getattr_np.c (pthread_getattr_np): Likewise.
(cherry picked from commit 630f4cc3aa019ede55976ea561f1a7af2f068639)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 31 +++++++++++++++++
NEWS | 2 +
nptl/Makefile | 4 ++-
nptl/allocatestack.c | 4 ++
nptl/descr.h | 4 +-
nptl/nptl-init.c | 5 +--
nptl/pthread_getattr_np.c | 7 +++-
nptl/{tst-detach1.c => tst-minstack-cancel.c} | 45 ++++++++++--------------
nptl/{tst-detach1.c => tst-minstack-exit.c} | 43 +++++++++--------------
sysdeps/gnu/unwind-resume.c | 8 +++-
sysdeps/nptl/unwind-forcedunwind.c | 2 +-
11 files changed, 91 insertions(+), 64 deletions(-)
copy nptl/{tst-detach1.c => tst-minstack-cancel.c} (55%)
copy nptl/{tst-detach1.c => tst-minstack-exit.c} (55%)
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/20116] use after free in pthread_create
Date: Sat, 29 Dec 2018 00:37:00 -0000
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--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, release/2.24/master has been updated
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from e853f05a5757dfee0c8b7f301e6a52047cc9864a (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fcd316654a4510281fff32194b3b9f90e3dfab83
commit fcd316654a4510281fff32194b3b9f90e3dfab83
Author: Carlos O'Donell <carlos@redhat.com>
Date: Sat Jan 28 19:13:34 2017 -0500
Bug 20116: Fix use after free in pthread_create()
The commit documents the ownership rules around 'struct pthread' and
when a thread can read or write to the descriptor. With those ownership
rules in place it becomes obvious that pd->stopped_start should not be
touched in several of the paths during thread startup, particularly so
for detached threads. In the case of detached threads, between the time
the thread is created by the OS kernel and the creating thread checks
pd->stopped_start, the detached thread might have already exited and the
memory for pd unmapped. As a regression test we add a simple test which
exercises this exact case by quickly creating detached threads with
large enough stacks to ensure the thread stack cache is bypassed and the
stacks are unmapped. Before the fix the testcase segfaults, after the
fix it works correctly and completes without issue.
For a detailed discussion see:
https://www.sourceware.org/ml/libc-alpha/2017-01/msg00505.html
(cherry picked from commit f8bf15febcaf137bbec5a61101e88cd5a9d56ca8)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 33 +++++
NEWS | 1 +
nptl/Makefile | 3 +-
nptl/createthread.c | 10 +-
nptl/pthread_create.c | 207 +++++++++++++++++++++++++++-----
nptl/pthread_getschedparam.c | 1 +
nptl/pthread_setschedparam.c | 1 +
nptl/pthread_setschedprio.c | 1 +
nptl/tpp.c | 2 +
nptl/tst-create-detached.c | 137 +++++++++++++++++++++
sysdeps/nacl/createthread.c | 10 +-
sysdeps/unix/sysv/linux/createthread.c | 16 +--
12 files changed, 367 insertions(+), 55 deletions(-)
create mode 100644 nptl/tst-create-detached.c
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>From glibc-bugs-return-44284-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 30 20:22:59 2018
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From: "aurelien at aurel32 dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/24045] New: LC_ADDRESS for i18n might not match ISO/IEC 14652
Date: Sun, 30 Dec 2018 20:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24045
Bug ID: 24045
Summary: LC_ADDRESS for i18n might not match ISO/IEC 14652
Product: glibc
Version: 2.29
URL: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=9133
48
Status: NEW
Severity: minor
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: aurelien at aurel32 dot net
Target Milestone: ---
As reported by "Bakhelit" in the Debian BTS in bug #913348, the current
definition of LC_ADDRESS in i18n doesn't match the value defined in ISO/IEC TR
14652:2002, available here:
http://www.open-std.org/jtc1/sc22/wg20/docs/n972-14652ft.pdf
I don't have access to newer versions of the standard, so I am opening a bug
there in case someone can have a check if they now match or not.
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>From glibc-bugs-return-44285-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Dec 30 23:39:28 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/24046] New: en_US locale doesn't define date_fmt
Date: Sun, 30 Dec 2018 23:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24046
Bug ID: 24046
Summary: en_US locale doesn't define date_fmt
Product: glibc
Version: 2.29
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: aurelien at aurel32 dot net
CC: libc-locales at sourceware dot org
Target Milestone: ---
The en_US locale default to the 12h format in t_fmt and d_t_fmt (which is
correct), but doesn't define date_fmt. This causes the date to be printed
inconsistently between the various formats:
$ date ; date +%c ; date +%X
Sun Dec 30 18:38:58 EST 2018
Sun 30 Dec 2018 06:38:58 PM EST
06:38:58 PM
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/24045] LC_ADDRESS for i18n might not match ISO/IEC 14652
Date: Sun, 30 Dec 2018 23:42:00 -0000
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Aurelien Jarno <aurelien at aurel32 dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |libc-locales at sourceware dot org
Component|locale |localedata
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>From glibc-bugs-return-44287-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 02:52:56 2018
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From: "sourceware at isomer dot meta.net.nz" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/24047] New: libresolv should use IP_RECVERR to avoid long timeouts
Date: Mon, 31 Dec 2018 02:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24047
Bug ID: 24047
Summary: libresolv should use IP_RECVERR to avoid long timeouts
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: sourceware at isomer dot meta.net.nz
Target Milestone: ---
When performing DNS lookups over UDP, resolv currently does not listen for
async socket errors indicating the DNS lookup has failed, and instead waits for
a full timeout before trying again/giving up.
resolv should instead use IP_RECVERR to listen for asynchronous errors (eg
destination host/net/port unreachable), and immediately retry, or give up on
the nameserver (depending on the type of error) if an error is indicated.
This would be similar to how glibc already handles UDP errors in the sunrpc
code.
Some common, example situations where this would significantly help:
- networking failed to start, and processes are blocking on startup waiting
for a DNS resolution.
- one nameserver is responding with port unreachable, while the other listed
nameserver in /etc/resolv.conf is available.
In both situations, an avoidable 15s delay can be skipped.
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Subject: [Bug malloc/24026] malloc_info() returns wrong numbers
Date: Mon, 31 Dec 2018 16:42:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Thanks for the bug report. Please send patches to libc-alpha.
https://sourceware.org/glibc/wiki/Contribution%20checklist
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>From glibc-bugs-return-44289-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 16:55:40 2018
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/24050] New: telldir missing truncation check
Date: Mon, 31 Dec 2018 16:55:00 -0000
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Bug ID: 24050
Summary: telldir missing truncation check
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
sysdeps/posix/telldir.c converts an off_t value (dirp->filepos) to a long int
return value with no overflow check. On platforms where long int is smaller
than the default off_t (currently just x32, but will include RISC-V 32-bit in
future, given the intent that that will only support 64-bit times and thus will
only support 64-bit offsets), it should check for overflow in the conversion
and produce an EOVERFLOW error in that case. (This is related to but separate
from bug 23960; a kernel facility to request 32-bit offsets to avoid that bug
might avoid some overflows occurring, but only if such requests are made by
glibc in the configurations with 32-bit long, not just the configurations with
32-bit off_t.)
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>From glibc-bugs-return-44290-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 17:32:18 2018
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Subject: [Bug build/24022] riscv build failure with Linux kernel 4.20-rc7
Date: Mon, 31 Dec 2018 17:32:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b9c84906f653978fb8768c7ebd0ee14a47e662e
commit 0b9c84906f653978fb8768c7ebd0ee14a47e662e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Dec 31 09:26:42 2018 -0800
riscv: Use __has_include__ to include <asm/syscalls.h> [BZ #24022]
<asm/syscalls.h> has been removed by
commit 27f8899d6002e11a6e2d995e29b8deab5aa9cc25
Author: David Abdurachmanov <david.abdurachmanov@gmail.com>
Date: Thu Nov 8 20:02:39 2018 +0100
riscv: add asm/unistd.h UAPI header
Marcin Juszkiewicz reported issues while generating syscall table for
riscv
using 4.20-rc1. The patch refactors our unistd.h files to match some
other
architectures.
- Add asm/unistd.h UAPI header, which has __ARCH_WANT_NEW_STAT only for
64-bit
- Remove asm/syscalls.h UAPI header and merge to asm/unistd.h
- Adjust kernel asm/unistd.h
So now asm/unistd.h UAPI header should show all syscalls for riscv.
<asm/syscalls.h> may be restored by
Subject: [PATCH] riscv: restore asm/syscalls.h UAPI header
Date: Tue, 11 Dec 2018 09:09:35 +0100
UAPI header asm/syscalls.h was merged into UAPI asm/unistd.h header,
which did resolve issue with missing syscalls macros resulting in
glibc (2.28) build failure. It also broke glibc in a different way:
asm/syscalls.h is being used by glibc. I noticed this while doing
Fedora 30/Rawhide mass rebuild.
The patch returns asm/syscalls.h header and incl. it into asm/unistd.h.
I plan to send a patch to glibc to use asm/unistd.h instead of
asm/syscalls.h
In the meantime, we use __has_include__, which was added to GCC 5, to
check if <asm/syscalls.h> exists before including it. Tested with
build-many-glibcs.py for riscv against kernel 4.19.12 and 4.20-rc7.
[BZ #24022]
* sysdeps/unix/sysv/linux/riscv/flush-icache.c: Check if
<asm/syscalls.h> exists with __has_include__ before including it.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/riscv/flush-icache.c | 6 +++++-
2 files changed, 11 insertions(+), 1 deletions(-)
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>From glibc-bugs-return-44291-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 17:35:19 2018
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Subject: [Bug build/24022] riscv build failure with Linux kernel 4.20-rc7
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--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.
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>From glibc-bugs-return-44292-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 18:21:41 2018
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/23996] Dutch salutations
Date: Mon, 31 Dec 2018 18:21:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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CC| |digitalfreak@lingonborough.
| |com
--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
1. Do I see correctly that LC_NAME in nl_BE is the same as nl_NL? Can we use
“copy "nl_NL"†in nl_BE instead?
2. I think it's a mistake to set this bug as depending on deprecation of
LC_NAME.
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>From glibc-bugs-return-44293-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 18:34:48 2018
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/24011] Fixed small type in comment for locale bs_BA
Date: Mon, 31 Dec 2018 18:34:00 -0000
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| |com
--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
This patch is trivial so I am in favor of pushing it now.
1. Should I use "Pander" as your real name, as the author of the patch? People
usually put their real first and last names but I don't mind if you choose to
this it in case of this patch. Or, do you maybe prefer that someone else
claims the authorship of the patch?
2. Could you maybe generate the complete patch using "git format-patch" and
post it to libc-alpha@sourceware.org instead, so that it contains "Subject:"
and "From:" and "Date:" fields? For locale data and for trivial patches the
copyright assignment is not required.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/24050] telldir missing truncation check
Date: Mon, 31 Dec 2018 18:43:00 -0000
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Should we add telldir64 and seekdir64?
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>From glibc-bugs-return-44295-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 18:47:35 2018
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Subject: [Bug libc/24050] telldir missing truncation check
Date: Mon, 31 Dec 2018 18:47:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
My view on new APIs for this case would be telldiro / seekdiro /
telldiro64 / seekdiro64, by analogy with fseeko / ftello.
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>From glibc-bugs-return-44296-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 21:53:10 2018
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/24027] glibc: realloc() ncopies 32-bit integer overflow
Date: Mon, 31 Dec 2018 21:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=24027
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via b50dd3bc8cbb1efe85399b03d7e6c0310c2ead84 (commit)
from 0b9c84906f653978fb8768c7ebd0ee14a47e662e (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b50dd3bc8cbb1efe85399b03d7e6c0310c2ead84
commit b50dd3bc8cbb1efe85399b03d7e6c0310c2ead84
Author: Florian Weimer <fw@deneb.enyo.de>
Date: Mon Dec 31 22:04:36 2018 +0100
malloc: Always call memcpy in _int_realloc [BZ #24027]
This commit removes the custom memcpy implementation from _int_realloc
for small chunk sizes. The ncopies variable has the wrong type, and
an integer wraparound could cause the existing code to copy too few
elements (leaving the new memory region mostly uninitialized).
Therefore, removing this code fixes bug 24027.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
malloc/malloc.c | 43 +------------------------------------------
2 files changed, 8 insertions(+), 42 deletions(-)
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>From glibc-bugs-return-44297-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Dec 31 23:31:39 2018
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/24027] glibc: realloc() ncopies 32-bit integer overflow
Date: Mon, 31 Dec 2018 23:31:00 -0000
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--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If the commit fixes the bug, please resolve it as FIXED with target
milestone set.
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